]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - configure.in
ncurses 6.2 - patch 20200314
[ncurses.git] / configure.in
index 3e202a79534c73bc322ac130d29f307113167973..5983876f1b46a908fe495ad5ec3b910b0dbf441d 100644 (file)
-dnl*****************************************************************************
-dnl Copyright 1996,1997 by Thomas E. Dickey <dickey@clark.net>                 *
-dnl All Rights Reserved.                                                       *
-dnl                                                                            *
-dnl Permission to use, copy, modify, and distribute this software and its      *
-dnl documentation for any purpose and without fee is hereby granted, provided  *
-dnl that the above copyright notice appear in all copies and that both that    *
-dnl copyright notice and this permission notice appear in supporting           *
-dnl documentation, and that the name of the above listed copyright holder(s)   *
-dnl not be used in advertising or publicity pertaining to distribution of the  *
-dnl software without specific, written prior permission. THE ABOVE LISTED      *
-dnl COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,  *
-dnl INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO     *
-dnl EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY         *
-dnl SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER       *
-dnl RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF       *
-dnl CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN        *
-dnl CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.                   *
-dnl*****************************************************************************
-dnl $Id: configure.in,v 1.64 1997/05/10 15:26:07 tom Exp $
+dnl***************************************************************************
+dnl Copyright 2018-2019,2020 Thomas E. Dickey                                *
+dnl Copyright 1998-2017,2018 Free Software Foundation, Inc.                  *
+dnl                                                                          *
+dnl Permission is hereby granted, free of charge, to any person obtaining a  *
+dnl copy of this software and associated documentation files (the            *
+dnl "Software"), to deal in the Software without restriction, including      *
+dnl without limitation the rights to use, copy, modify, merge, publish,      *
+dnl distribute, distribute with modifications, sublicense, and/or sell       *
+dnl copies of the Software, and to permit persons to whom the Software is    *
+dnl furnished to do so, subject to the following conditions:                 *
+dnl                                                                          *
+dnl The above copyright notice and this permission notice shall be included  *
+dnl in all copies or substantial portions of the Software.                   *
+dnl                                                                          *
+dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+dnl                                                                          *
+dnl Except as contained in this notice, the name(s) of the above copyright   *
+dnl holders shall not be used in advertising or otherwise to promote the     *
+dnl sale, use or other dealings in this Software without prior written       *
+dnl authorization.                                                           *
+dnl***************************************************************************
+dnl
+dnl Author: Thomas E. Dickey 1995-on
+dnl
+dnl $Id: configure.in,v 1.700 2020/03/08 00:53:28 tom Exp $
 dnl Process this file with autoconf to produce a configure script.
 dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.12)
-AC_REVISION($Revision: 1.64 $)
-AC_INIT(ncurses/lib_initscr.c)
-
-NC_VERSION
-NC_SYSTYPE
-
-# We need a configure script only when compiling as part of GNU C library.
-# Here we have to generate one of the files we need while compiling.
-#
-# The only problem is that users of the package might think they have to
-# run configure themself and find it irritating when nothing happens.
-#
-# So we try here to find out whether we are called from the glibc configure
-# or by a user.
-#
-dnl Check if we are a drop-in addition to glibc.
-AC_ARG_ENABLE(add-ons, dnl
-[  --enable-add-ons=DIR... used to check if we are a glibc add-on.],
-               [glibc_add_on=yes],
-               [glibc_add_on=])
-
-dnl We need to use [ and ] for other purposes for a while now.
-changequote(,)dnl
-if test x"$glibc_add_on" = "xyes" ; then
-if test -f $srcdir/../glibcbug.in; then
-  rm -f $srcdir/Banner
-  # We are in glibc.
-  rm -f $srcdir/Makefile
-  cp $srcdir/Makefile.glibc $srcdir/Makefile
-  echo "ncurses `grep \"^[     ]*ncurses-version[      ]*=.*$\" \
-               $srcdir/Makefile | sed -e \
-               's/^[   ]*ncurses-version[      ]*=[    ]*\([^  ^ ]*\)[         ]*$/\1/'`" > $srcdir/Banner
-  exit 0
-fi
-fi
-changequote([,])dnl
+dnl
+dnl For additional information, see
+dnl     https://invisible-island.net/autoconf/
+dnl     https://invisible-island.net/autoconf/my-autoconf.html
+dnl
+dnl ---------------------------------------------------------------------------
+AC_PREREQ(2.52.20200111)
+AC_REVISION($Revision: 1.700 $)
+AC_INIT(ncurses/base/lib_initscr.c)
+AC_CONFIG_HEADER(include/ncurses_cfg.h:include/ncurses_cfg.hin)
 
 
-###    Save the given $CFLAGS to allow user-override.
-nc_user_CFLAGS="$CFLAGS"
+AC_DEFUN([AC_PATH_XTRA],[])dnl ignore dependencies on this
 
 
-###    Derive the system name, as a check for reusing the autoconf cache
-system_name="`(uname -s -r || hostname || echo unknown) 2>/dev/null`"
-if test -n "$system_name" ; then
-       AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
-else
-       system_name="`(hostname) 2>/dev/null`"
-fi
-AC_CACHE_VAL(nc_cv_system_name,[nc_cv_system_name="$system_name"])
-test -z "$system_name" && system_name="$nc_cv_system_name"
-test -n "$nc_cv_system_name" && AC_MSG_RESULT("Configuring for $nc_cv_system_name")
+CF_TOP_BUILDDIR
+CF_SUBST_NCURSES_VERSION
+CF_VERSION_INFO(NCURSES,ncurses)
 
 
-if test ".$system_name" != ".$nc_cv_system_name" ; then
-       AC_MSG_RESULT("Cached system name does not agree with actual")
-       AC_ERROR("Please remove config.cache and try again.")
-fi
+CF_WITH_REL_VERSION(NCURSES)
+CF_NCURSES_WITH_ABI_VERSION
+
+CF_WITH_SYSTYPE
+
+###    Save the given $CFLAGS to allow user-override.
+cf_user_CFLAGS="$CFLAGS"
 
 ###    Default install-location
 
 ###    Default install-location
-NC_CFG_DEFAULTS
+CF_CFG_DEFAULTS
+### Defaults for ncurses ABI
+CF_ABI_DEFAULTS
 
 ###    Checks for programs.
 
 ###    Checks for programs.
-AC_PROG_CC
-if test -n "$GCC" ; then
-AC_MSG_CHECKING(version of gcc)
-eval "$CC --version"
+AC_ARG_WITH(ada,
+       [  --without-ada           suppress check for Ada compiler, don't build demo],
+       [cf_with_ada=$withval],
+       [cf_with_ada=yes])
+
+if test "x$cf_with_ada" = xyes
+then
+       cf_prog_cc="gnatgcc gcc cc"
+else
+       cf_prog_cc="gcc cc"
 fi
 fi
+CF_PROG_CC($cf_prog_cc)
+
 AC_PROG_CPP
 AC_PROG_GCC_TRADITIONAL
 AC_PROG_CPP
 AC_PROG_GCC_TRADITIONAL
-AC_ISC_POSIX
+CF_PROG_CC_C_O(CC,[$CFLAGS $CPPFLAGS])
+CF_PROG_LDCONFIG
 
 dnl DEFECT in autoconf 2.12:   an attempt to set policy, this breaks the
 dnl                            configure script by not letting us test if C++
 dnl                            is present, making this option necessary.
 
 dnl DEFECT in autoconf 2.12:   an attempt to set policy, this breaks the
 dnl                            configure script by not letting us test if C++
 dnl                            is present, making this option necessary.
+AC_MSG_CHECKING(if you want to ensure bool is consistent with C++)
 AC_ARG_WITH(cxx,
 AC_ARG_WITH(cxx,
-       [  --without-cxx           suppress check for C++])
-if test "X$withval" != Xno ; then
-AC_PROG_CXX
-fi
-changequote(,)dnl
-if test -n "$GXX" ; then case "`${CXX-g++} --version`" in 1*|2.[0-6]*) GXX=""; CXX=""; ac_cv_prog_gxx=no; nc_cxx_library=no ; echo No: templates do not work;; esac; fi
-changequote([,])dnl
-AC_PROG_AWK
+       [  --without-cxx           do not adjust ncurses bool to match C++],
+       [cf_with_cxx=$withval],
+       [cf_with_cxx=yes])
+AC_MSG_RESULT($cf_with_cxx)
+if test "X$cf_with_cxx" = Xno ; then
+       CXX=""
+       GXX=""
+else
+       # with autoconf 2.13, we can change the error to a warning:
+       pushdef([AC_MSG_ERROR],
+               [AC_MSG_RESULT(no)
+                AC_MSG_WARN([You don't have any C++ compiler, too bad])
+               cf_with_cxx=no; CXX=""; GXX="";])dnl
+       AC_PROG_CXX
+       popdef([AC_MSG_ERROR])dnl
+
+       AC_LANG_PUSH(C++)
+       if test "x$cf_with_cxx" != xno
+       then
+               # Several of the C++ configurations do not work, particularly when
+               # cross-compiling (20140913 -TD)
+               AC_MSG_CHECKING(if $CXX works)
+
+               save_CPPFLAGS="$CPPFLAGS"
+               eval cf_includedir=${includedir}
+               CPPFLAGS="$CPPFLAGS -I${cf_includedir}"
+               AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <stdio.h>
+],
+               [
+               printf("Hello world!\n")
+               ],
+               [cf_cxx_works=yes],
+               [cf_cxx_works=no])
+               CPPFLAGS="$save_CPPFLAGS"
+
+               AC_MSG_RESULT($cf_cxx_works)
+               if test "x$cf_cxx_works" = xno
+               then
+                       AC_MSG_WARN([Ignore $CXX, since it cannot compile hello-world.])
+                       cf_with_cxx=no; CXX=""; GXX="";
+               fi
+       fi
+       AC_LANG_POP
+
+       # autoconf 2.5x removed the error (hardcoding it to g++, or just blank)
+       if test "$CXX" = "g++" ; then
+               AC_PATH_PROG(CXX,g++)
+       fi
+       case "x$CXX" in
+       (x|xg++)
+               AC_MSG_WARN([You don't have any C++ compiler, too bad])
+               cf_with_cxx=no; CXX=""; GXX="";
+               ;;
+       esac
+fi
+
+CF_GXX_VERSION
+case $GXX_VERSION in
+(1*|2.[[0-6]]*)
+       # GXX=""; CXX=""; ac_cv_prog_gxx=no
+       # cf_cxx_library=no
+       AC_MSG_WARN(templates do not work)
+       ;;
+esac
+
+AC_MSG_CHECKING(if you want to build C++ binding and demo)
+AC_ARG_WITH(cxx-binding,
+       [  --without-cxx-binding   do not build C++ binding and demo],
+       [cf_with_cxx_binding=$withval],
+       [cf_with_cxx_binding=$cf_with_cxx])
+AC_MSG_RESULT($cf_with_cxx_binding)
+
+AC_MSG_CHECKING(if you want to build with Ada)
+AC_MSG_RESULT($cf_with_ada)
+
+AC_MSG_CHECKING(if you want to install terminal database)
+AC_ARG_ENABLE(db-install,
+       [  --disable-db-install    suppress install of terminal database],
+       [cf_with_db_install=$enableval],
+       [cf_with_db_install=yes])
+AC_MSG_RESULT($cf_with_db_install)
+
+AC_MSG_CHECKING(if you want to install manpages)
+AC_ARG_WITH(manpages,
+       [  --without-manpages      suppress install of manpages],
+       [cf_with_manpages=$withval],
+       [cf_with_manpages=yes])
+AC_MSG_RESULT($cf_with_manpages)
+
+AC_MSG_CHECKING(if you want to build programs such as tic)
+AC_ARG_WITH(progs,
+       [  --without-progs         suppress build/install with programs (e.g., tic)],
+       [cf_with_progs=$withval],
+       [cf_with_progs=yes])
+AC_MSG_RESULT($cf_with_progs)
+
+if test -f $srcdir/tack/tack.h; then
+       if test "x$cross_compiling" = xyes ; then
+               CF_VERBOSE(ignoring tack because we are cross-compiling)
+               cf_with_tack=no
+       else
+               AC_MSG_CHECKING(if you want to build the tack program)
+               AC_ARG_WITH(tack,
+                       [  --without-tack          suppress build/install with tack program],
+                       [cf_with_tack=$withval],
+                       [cf_with_tack=$cf_with_progs])
+               AC_MSG_RESULT($cf_with_tack)
+       fi
+else
+       cf_with_tack=no
+fi
+
+AC_MSG_CHECKING(if you want to build test-programs)
+AC_ARG_WITH(tests,
+       [  --without-tests         suppress build/install with test-programs],
+       [cf_with_tests=$withval],
+       [cf_with_tests=yes])
+AC_MSG_RESULT($cf_with_tests)
+
+AC_MSG_CHECKING(if you wish to install curses.h)
+AC_ARG_WITH(curses-h,
+       [  --without-curses-h      install curses.h as ncurses.h only],
+       [with_curses_h=$withval],
+       [with_curses_h=yes])
+AC_MSG_RESULT($with_curses_h)
+
+modules_to_build="ncurses"
+test "X$cf_with_progs" != Xno && modules_to_build="$modules_to_build progs"
+test "X$cf_with_tack"  != Xno && modules_to_build="$modules_to_build tack"
+modules_to_build="$modules_to_build panel menu form"
+
+AC_ARG_PROGRAM
+
+CF_PROG_AWK
+CF_PROG_EGREP
+CF_PROG_INSTALL
+CF_PROG_LINT
+CF_PROG_LN_S
+
+AC_SYS_LONG_FILE_NAMES
+
+# Provide for renaming "ncurses5-config" to "ncurses5X-config", etc., in case
+# of package conflict.
+cf_config_suffix=
+AC_ARG_WITH(config-suffix,
+       [  --with-config-suffix=X  suffixes ncursesXX-config file],
+       [case "x$withval" in
+       (xyes|xno)
+               AC_MSG_WARN(expected a value for config-suffix option)
+               ;;
+       (*)     cf_config_suffix="$withval"
+               ;;
+       esac])
+AC_SUBST(cf_config_suffix)
+
+# If we find pkg-config, check if we should install the ".pc" files.
+CF_PKG_CONFIG
+CF_WITH_PKG_CONFIG_LIBDIR
+CF_ENABLE_PC_FILES
+if test -z "$MAKE_PC_FILES"
+then
+       AC_MSG_CHECKING(for suffix to add to pc-files)
+AC_ARG_WITH(pc-suffix,
+       [  --with-pc-suffix        suffixes pc-files],
+       [case "x$withval" in
+       (xyes|xno)
+               PC_MODULE_SUFFIX=
+               ;;
+       (*)     PC_MODULE_SUFFIX="$withval"
+               ;;
+       esac])
+       test -z "$PC_MODULE_SUFFIX" && PC_MODULE_SUFFIX=none
+       AC_MSG_RESULT($PC_MODULE_SUFFIX)
+       test "$PC_MODULE_SUFFIX" = none && PC_MODULE_SUFFIX=
+       AC_SUBST(PC_MODULE_SUFFIX)
+fi
+
+AC_MSG_CHECKING(if we should assume mixed-case filenames)
+AC_ARG_ENABLE(mixed-case,
+       [  --enable-mixed-case     tic should assume mixed-case filenames],
+       [enable_mixedcase=$enableval],
+       [enable_mixedcase=auto])
+AC_MSG_RESULT($enable_mixedcase)
+if test "$enable_mixedcase" = "auto" ; then
+       CF_MIXEDCASE_FILENAMES
+else
+       cf_cv_mixedcase=$enable_mixedcase
+       if test "x$enable_mixedcase" = "xyes" ; then
+               AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if tic should assume mixed-case filenames])
+       fi
+fi
+
+# do this after mixed-case option (tags/TAGS is not as important as tic).
 AC_PROG_MAKE_SET
 AC_PROG_MAKE_SET
-NC_PROG_INSTALL
-AC_PROG_LN_S
-AC_PROG_RANLIB
-AC_CHECK_PROGS(LINT, tdlint lint alint)
-AC_CHECK_PROGS(MAN, man man_db)
-AC_SUBST(LINT_OPTS)
+CF_MAKE_TAGS
+CF_MAKEFLAGS
 
 dnl These are standard among *NIX systems, but not when cross-compiling
 
 dnl These are standard among *NIX systems, but not when cross-compiling
-NC_SUBST(loader,LD,ld)
-NC_SUBST(archiver,AR,ar)
-NC_SUBST(archiver options,AR_OPTS,rv)
-
-NC_MAKEFLAGS
-NC_MAN_PAGES
+AC_CHECK_TOOL(RANLIB, ranlib, ':')
+AC_CHECK_TOOL(LD, ld, ld)
+AC_CHECK_TOOL(AR, ar, ar)
+AC_CHECK_TOOL(NM, nm, nm)
+CF_AR_FLAGS
 
 dnl Special option for use by system-builders: the install-prefix is used to
 dnl adjust the location into which the actual install is done, so that an
 dnl archive can be built without modifying the host system's configuration.
 
 dnl Special option for use by system-builders: the install-prefix is used to
 dnl adjust the location into which the actual install is done, so that an
 dnl archive can be built without modifying the host system's configuration.
+AC_MSG_CHECKING(if you have specified an install-prefix)
 AC_ARG_WITH(install-prefix,
 AC_ARG_WITH(install-prefix,
-       [  --with-install-prefix   prefixes actual install-location],
-       [case "$withval" in #(vi
-       yes|no) #(vi
+       [  --with-install-prefix   prefixes actual install-location ($DESTDIR)],
+       [case "x$withval" in
+       (xyes|xno)
                ;;
                ;;
-       *)      INSTALL_PREFIX="$withval"
+       (*)     DESTDIR="$withval"
                ;;
        esac])
                ;;
        esac])
-AC_SUBST(INSTALL_PREFIX)
+AC_MSG_RESULT($DESTDIR)
+AC_SUBST(DESTDIR)
+
+###############################################################################
+CF_HELP_MESSAGE(Build-Tools Needed to Compile Temporary Applications for Cross-compiling:)
+# If we're cross-compiling, allow the user to override the tools and their
+# options.  The configure script is oriented toward identifying the host
+# compiler, etc., but we need a build compiler to generate parts of the source.
+CF_BUILD_CC
+
+###############################################################################
+CF_HELP_MESSAGE(Options to Specify the Libraries Built/Used:)
 
 ### Options to allow the user to specify the set of libraries which are used.
 ### Use "--without-normal --with-shared" to allow the default model to be
 ### shared, for example.
 
 ### Options to allow the user to specify the set of libraries which are used.
 ### Use "--without-normal --with-shared" to allow the default model to be
 ### shared, for example.
-nc_list_models=""
+cf_list_models=""
+AC_SUBST(cf_list_models)dnl    the complete list of models ("normal debug")
+
+CF_WITH_LIBTOOL
+if test "$with_libtool" != "no" ; then
+
+cf_list_models="$cf_list_models libtool"
+
+else
+
+AC_MSG_CHECKING(if you want to build shared libraries)
 AC_ARG_WITH(shared,
        [  --with-shared           generate shared-libraries],
 AC_ARG_WITH(shared,
        [  --with-shared           generate shared-libraries],
-       [test "$withval" = "yes" && nc_list_models="$nc_list_models shared"])
+       [with_shared=$withval],
+       [with_shared=no])
+AC_MSG_RESULT($with_shared)
+test "x$with_shared" = "xyes" && cf_list_models="$cf_list_models shared"
+
+AC_MSG_CHECKING(if you want to build static libraries)
 AC_ARG_WITH(normal,
        [  --with-normal           generate normal-libraries (default)],
 AC_ARG_WITH(normal,
        [  --with-normal           generate normal-libraries (default)],
-       [test "$withval" = "yes" && nc_list_models="$nc_list_models normal"],
-       [nc_list_models="$nc_list_models normal"])
+       [with_normal=$withval],
+       [with_normal=yes])
+AC_MSG_RESULT($with_normal)
+test "x$with_normal" = "xyes" && cf_list_models="$cf_list_models normal"
+
+AC_MSG_CHECKING(if you want to build debug libraries)
 AC_ARG_WITH(debug,
        [  --with-debug            generate debug-libraries (default)],
 AC_ARG_WITH(debug,
        [  --with-debug            generate debug-libraries (default)],
-       [test "$withval" = "yes" && nc_list_models="$nc_list_models debug"],
-       [nc_list_models="$nc_list_models debug"])
+       [with_debug=$withval],
+       [with_debug=yes])
+AC_MSG_RESULT($with_debug)
+test "x$with_debug" = "xyes" && cf_list_models="$cf_list_models debug"
+
+AC_MSG_CHECKING(if you want to build profiling libraries)
 AC_ARG_WITH(profile,
        [  --with-profile          generate profile-libraries],
 AC_ARG_WITH(profile,
        [  --with-profile          generate profile-libraries],
-       [test "$withval" = "yes" && nc_list_models="$nc_list_models profile"])
+       [with_profile=$withval],
+       [with_profile=no])
+AC_MSG_RESULT($with_profile)
+test "x$with_profile" = "xyes" && cf_list_models="$cf_list_models profile"
 
 
-### Checks for special libraries, must be done up-front.
-AC_ARG_WITH(dbmalloc,
-       [  --with-dbmalloc         test: use Conor Cahill's dbmalloc library],
-       [AC_CHECK_LIB(dbmalloc,debug_malloc)])
-AC_ARG_WITH(dmalloc,
-       [  --with-dmalloc          test: use Gray Watson's dmalloc library],
-       [AC_CHECK_LIB(dmalloc,dmalloc_debug)])
-AC_ARG_WITH(gpm,
-       [  --with-gpm              use Alessandro Rubini's GPM library],
-       [AC_CHECK_LIB(gpm,Gpm_Open,[
-               EXTRA_LIBS="$EXTRA_LIBS -lgpm -lncurses"
-               AC_DEFINE(HAVE_LIBGPM)
-               AC_CHECK_HEADERS(gpm.h)
-       ],,-lcurses -ltermcap)])
-
-AC_SUBST(EXTRA_LIBS)
+fi
+
+if test "X$cf_with_cxx_binding" != Xno; then
+if test "x$with_shared" = "xyes"; then
+AC_MSG_CHECKING(if you want to build C++ shared libraries)
+AC_ARG_WITH(cxx-shared,
+       [  --with-cxx-shared       generate C++ shared-libraries],
+       [with_shared_cxx=$withval],
+       [with_shared_cxx=no])
+AC_MSG_RESULT($with_shared_cxx)
+fi
+fi
+
+###############################################################################
 
 AC_MSG_CHECKING(for specified models)
 
 AC_MSG_CHECKING(for specified models)
-test -z "$nc_list_models" && nc_list_models=normal
-AC_MSG_RESULT($nc_list_models)
+test -z "$cf_list_models" && cf_list_models=normal
+dnl If we use libtool to generate libraries, then it must be the only
+dnl specified model.
+test "$with_libtool" != "no" && cf_list_models=libtool
+AC_MSG_RESULT($cf_list_models)
 
 ### Use the first model as the default, and save its suffix for use in building
 ### up test-applications.
 
 ### Use the first model as the default, and save its suffix for use in building
 ### up test-applications.
-DFT_LWR_MODEL=`echo $nc_list_models | $AWK '{print $1}'`
-NC_UPPERCASE($DFT_LWR_MODEL,DFT_UPR_MODEL)dnl
-NC_LIB_SUFFIX($DFT_LWR_MODEL,DFT_DEP_SUFFIX)dnl
-NC_LIB_TYPE($DFT_LWR_MODEL,DFT_ARG_SUFFIX)dnl
-NC_OBJ_SUBDIR($DFT_LWR_MODEL,DFT_OBJ_SUBDIR)dnl
-AC_SUBST(DFT_OBJ_SUBDIR)dnl    the default object-directory ("obj")
+AC_MSG_CHECKING(for default model)
+DFT_LWR_MODEL=`echo "$cf_list_models" | $AWK '{print $1}'`
+AC_MSG_RESULT($DFT_LWR_MODEL)
+
+CF_UPPER(DFT_UPR_MODEL,$DFT_LWR_MODEL)dnl
+
 AC_SUBST(DFT_LWR_MODEL)dnl     the default model ("normal")
 AC_SUBST(DFT_UPR_MODEL)dnl     the default model ("NORMAL")
 AC_SUBST(DFT_LWR_MODEL)dnl     the default model ("normal")
 AC_SUBST(DFT_UPR_MODEL)dnl     the default model ("NORMAL")
-AC_SUBST(DFT_DEP_SUFFIX)dnl    the corresponding library-suffix (".a")
-AC_SUBST(DFT_ARG_SUFFIX)dnl    the string to append to "-lncurses" ("")
-AC_SUBST(nc_list_models)dnl    the complete list of models ("normal debug")
+
+TICS_NAME=tic
+AC_SUBST(TICS_NAME)
+
+TINFO_NAME=tinfo
+AC_SUBST(TINFO_NAME)
 
 LIB_NAME=ncurses
 AC_SUBST(LIB_NAME)
 
 LIB_DIR=../lib
 
 LIB_NAME=ncurses
 AC_SUBST(LIB_NAME)
 
 LIB_DIR=../lib
-LIB_PREFIX=$LIB_DIR/lib
-AC_SUBST(LIB_PREFIX)
+LIB_2ND=../../lib
+
+CF_WITH_LIB_PREFIX(cf_prefix)
+
+LIB_SUFFIX=
+AC_SUBST(LIB_SUFFIX)
+CF_PATHSEP
+
+###############################################################################
+
+AC_MSG_CHECKING(if you want to build a separate terminfo library)
+AC_ARG_WITH(termlib,
+       [  --with-termlib          generate separate terminfo library],
+       [with_termlib=$withval],
+       [with_termlib=no])
+AC_MSG_RESULT($with_termlib)
+
+AC_MSG_CHECKING(if you want to build a separate tic library)
+AC_ARG_WITH(ticlib,
+       [  --with-ticlib           generate separate tic library],
+       [with_ticlib=$withval],
+       [with_ticlib=no])
+AC_MSG_RESULT($with_ticlib)
 
 dnl Not all ports of gcc support the -g option
 
 dnl Not all ports of gcc support the -g option
-dnl autoconf 2.12 uses different symbol for -g option than autoconf 2.10, etc.
 
 if test X"$CC_G_OPT" = X"" ; then
        CC_G_OPT='-g'
 
 if test X"$CC_G_OPT" = X"" ; then
        CC_G_OPT='-g'
-       test -n "$GCC" && test "${ac_cv_prog_cc_g}${ac_cv_prog_gcc_g}" != yes && CC_G_OPT=''
+       test -n "$GCC" && test "x${ac_cv_prog_cc_g}" != xyes && CC_G_OPT=''
 fi
 AC_SUBST(CC_G_OPT)
 
 if test X"$CXX_G_OPT" = X"" ; then
        CXX_G_OPT='-g'
 fi
 AC_SUBST(CC_G_OPT)
 
 if test X"$CXX_G_OPT" = X"" ; then
        CXX_G_OPT='-g'
-       test -n "$GXX" && test "${ac_cv_prog_cxx_g}${ac_cv_prog_gxx_g}" != yes && CXX_G_OPT=''
+       test -n "$GXX" && test "x${ac_cv_prog_cxx_g}" != xyes && CXX_G_OPT=''
 fi
 AC_SUBST(CXX_G_OPT)
 
 fi
 AC_SUBST(CXX_G_OPT)
 
+AC_MSG_CHECKING(for default loader flags)
 case $DFT_LWR_MODEL in
 case $DFT_LWR_MODEL in
-normal)  LD_MODEL=''   ;;
-debug)   LD_MODEL=$CC_G_OPT ;;
-profile) LD_MODEL='-pg';;
-shared)  LD_MODEL=''   ;;
+(libtool) LD_MODEL=''   ;;
+(normal)  LD_MODEL=''   ;;
+(debug)   LD_MODEL=$CC_G_OPT ;;
+(profile) LD_MODEL='-pg';;
+(shared)  LD_MODEL=''   ;;
 esac
 AC_SUBST(LD_MODEL)dnl          the type of link (e.g., -g or -pg)
 esac
 AC_SUBST(LD_MODEL)dnl          the type of link (e.g., -g or -pg)
-NC_SHARED_OPTS
+AC_MSG_RESULT($LD_MODEL)
 
 
-if test "$CC_SHARED_OPTS" = "unknown"; then
-       for model in $nc_list_models; do
-               if test "$model" = "shared"; then
-                       echo '** Shared libraries are not supported in this version'
-                       exit 1
+case $DFT_LWR_MODEL in
+(shared)
+CF_ENABLE_RPATH
+AC_MSG_CHECKING(if shared libraries should be relinked during install)
+AC_ARG_ENABLE(relink,
+[  --disable-relink        relink shared libraries during install],
+[cf_cv_do_relink=$enableval],
+[cf_cv_do_relink=yes])
+AC_MSG_RESULT($cf_cv_do_relink)
+       ;;
+esac
+
+# we will build libraries one-level down.
+rel_builddir=..
+CF_SHARED_OPTS
+for model in $cf_list_models; do
+       case $model in
+       (libtool)
+               CF_WITH_LIBTOOL_OPTS
+               CF_WITH_EXPORT_SYMS
+               ;;
+       (shared)
+               if test "$CC_SHARED_OPTS" = "unknown"; then
+                       AC_ERROR(Shared libraries are not supported in this version)
                fi
                fi
-       done
+               # workaround for inept transition to PIE vs PIC...
+               AC_MSG_CHECKING(if current CFLAGS link properly)
+               AC_TRY_LINK(
+                       [#include <stdio.h>],
+                       [printf("Hello work\n");],
+                       [cf_cflags_work=yes],
+                       [cf_cflags_work=no])
+               AC_MSG_RESULT($cf_cflags_work)
+               if test "$cf_cflags_work" = no
+               then
+                       CF_VERBOSE(try to work around by appending shared-options)
+                       CFLAGS="$CFLAGS $CC_SHARED_OPTS"
+               fi
+               CF_WITH_VERSIONED_SYMS
+               ;;
+       esac
+done
+
+### Checks for special libraries, must be done up-front.
+SHLIB_LIST=""
+CF_WITH_GPM
+if test "$with_gpm" != no ; then
+       AC_MSG_CHECKING(if you want to load GPM dynamically)
+       AC_ARG_WITH(dlsym,
+               [  --without-dlsym         do not use dlsym() to load GPM dynamically],
+               [with_dlsym=$withval],
+               [with_dlsym=yes])
+       AC_MSG_RESULT($with_dlsym)
+       if test "x$with_dlsym" = xyes ; then
+               CF_FUNC_DLSYM
+               if test "x$with_gpm" != xyes ; then
+                       CF_VERBOSE(assuming soname for gpm is $with_gpm)
+                       cf_cv_gpm_soname="$with_gpm"
+               else
+                       CF_LIB_SONAME([#include <gpm.h>],[if (Gpm_Open(0,0)) Gpm_Close();],gpm)
+               fi
+               test "$cf_cv_gpm_soname" != "unknown" && AC_DEFINE_UNQUOTED(LIBGPM_SONAME,"$cf_cv_gpm_soname",[Define as needed to set the gpm share library soname])
+               SHLIB_LIST="-ldl $SHLIB_LIST"
+               CF_ADD_LIB(dl,PRIVATE_LIBS)
+       else
+               SHLIB_LIST="-lgpm $SHLIB_LIST"
+               CF_ADD_LIB(gpm,TEST_LIBS)
+               CF_ADD_LIB(gpm,PRIVATE_LIBS)
+       fi
+       AC_DEFINE(HAVE_LIBGPM,1,[Define to 1 if we have the gpm library])
+       CF_CHECK_GPM_WGETCH
 fi
 
 fi
 
+CF_WITH_PCRE2
+CF_WITH_SYSMOUSE
+
+# pretend that ncurses==ncursesw==ncursest
+AC_MSG_CHECKING(if you want to disable library suffixes)
+CF_ARG_DISABLE(lib-suffixes,
+       [  --disable-lib-suffixes  disable library suffixes],
+       [disable_lib_suffixes=yes],
+       [disable_lib_suffixes=no],
+       no)
+AC_MSG_RESULT($disable_lib_suffixes)
+
+### If we're building with rpath, try to link non-standard libs that way too.
+if test "$DFT_LWR_MODEL" = "shared" && test "x$cf_cv_enable_rpath" != xno; then
+       CF_DISABLE_RPATH_HACK
+fi
+
+###############################################################################
+CF_HELP_MESSAGE(Fine-Tuning Your Configuration:)
+
+###    use option --with-extra-suffix to append suffix to headers and libraries
+AC_MSG_CHECKING(if you wish to append extra suffix to header/library paths)
+EXTRA_SUFFIX=
+AC_ARG_WITH(extra-suffix,
+       [  --with-extra-suffix=X   append extra suffix to header/library paths],
+       [case x$withval in
+       (no)
+               ;;
+       (xyes|x)
+               EXTRA_SUFFIX=$cf_cv_abi_version
+               ;;
+       (*)
+               EXTRA_SUFFIX=$withval
+               ;;
+       esac
+       ])
+AC_MSG_RESULT($EXTRA_SUFFIX)
+AC_SUBST(EXTRA_SUFFIX)
+
 ###    use option --disable-overwrite to leave out the link to -lcurses
 ###    use option --disable-overwrite to leave out the link to -lcurses
-AC_MSG_CHECKING(include directory)
+AC_MSG_CHECKING(if you wish to install ncurses overwriting curses)
 AC_ARG_ENABLE(overwrite,
 AC_ARG_ENABLE(overwrite,
-       [  --disable-overwrite     leave out the link to -lcurses],
-       [with_overwrite=$enableval
-        test "$with_overwrite" = no && \
-        test "x$includedir" = 'x${prefix}/include' && \
-               includedir='$(prefix)/include/ncurses'
-       ],
-       [with_overwrite=yes])
-AC_MSG_RESULT($includedir)
-
-###    use option --enable-big-core to make tic run faster on big machines
+       [  --disable-overwrite     put headers in subdir, omit link to -lcurses],
+       [with_overwrite=$enableval],
+       [if test "$prefix" = "/usr" ; then with_overwrite=yes; else with_overwrite=no; fi])
+AC_MSG_RESULT($with_overwrite)
+
+AC_MSG_CHECKING(if external terminfo-database is used)
+AC_ARG_ENABLE(database,
+       [  --disable-database      do not use terminfo, only fallbacks/termcap],
+       [use_database=$enableval],
+       [use_database=yes])
+AC_MSG_RESULT($use_database)
+
+case $host_os in
+(os2*)
+       TERMINFO_SRC='${top_srcdir}/misc/emx.src'
+       ;;
+(*)
+       TERMINFO_SRC='${top_srcdir}/misc/terminfo.src'
+       ;;
+esac
+AC_SUBST(TERMINFO_SRC)
+
+NCURSES_USE_DATABASE=0
+if test "$use_database" != no ; then
+       NCURSES_USE_DATABASE=1
+
+       AC_MSG_CHECKING(which terminfo source-file will be installed)
+       AC_ARG_WITH(database,
+               [  --with-database=XXX     specify terminfo source to install],
+               [TERMINFO_SRC=$withval])
+       AC_MSG_RESULT($TERMINFO_SRC)
+
+       AC_MSG_CHECKING(whether to use hashed database instead of directory/tree)
+       AC_ARG_WITH(hashed-db,
+               [  --with-hashed-db        specify hashed-database library],,
+               [with_hashed_db=no])
+       AC_MSG_RESULT($with_hashed_db)
+else
+       with_hashed_db=no
+fi
+AC_SUBST(NCURSES_USE_DATABASE)
+
+AC_MSG_CHECKING(for list of fallback descriptions)
+AC_ARG_WITH(fallbacks,
+       [  --with-fallbacks=XXX    specify list of fallback terminal descriptions],
+       [with_fallback=$withval],
+       [with_fallback=])
+AC_MSG_RESULT($with_fallback)
+
+case ".$with_fallback" in
+(.|.no)
+       FALLBACK_LIST=
+       ;;
+(.yes)
+       AC_MSG_WARN(expected a list of terminal descriptions)
+       ;;
+(*)
+       FALLBACK_LIST=`echo "$with_fallback" | sed -e 's/,/ /g'`
+       ;;
+esac
+
+USE_FALLBACKS=
+test -z "$FALLBACK_LIST" && USE_FALLBACKS="#"
+AC_SUBST(FALLBACK_LIST)
+AC_SUBST(USE_FALLBACKS)
+
+# The fallback feature in ncurses relies upon tic/infocmp outside the build
+# tree for generating the terminal descriptions that will be compiled into the
+# library.  If your toolchain is old, it may not handle current terminal
+# databases.  Use configure-options to point to the tools which will be used,
+# rather than the first ones found on the $PATH.
+if test -n "$FALLBACK_LIST"
+then
+       CF_WITH_PATH_PROG(TIC,     tic,     [for fallbacks], $PATH:/usr/local/ncurses/bin)
+       CF_WITH_PATH_PROG(INFOCMP, infocmp, [for fallbacks], $PATH:/usr/local/ncurses/bin)
+else
+       : ${TIC:=tic}
+       : ${INFOCMP:=infocmp}
+fi
+AC_SUBST(TIC)
+AC_SUBST(INFOCMP)
+
+AC_MSG_CHECKING(if you want modern xterm or antique)
+AC_ARG_WITH(xterm-new,
+       [  --without-xterm-new     specify if xterm terminfo should be old version],
+       [with_xterm_new=$withval],
+       [with_xterm_new=yes])
+case $with_xterm_new in
+(no) with_xterm_new=xterm-old;;
+(*)     with_xterm_new=xterm-new;;
+esac
+AC_MSG_RESULT($with_xterm_new)
+WHICH_XTERM=$with_xterm_new
+AC_SUBST(WHICH_XTERM)
+
+AC_MSG_CHECKING(if xterm backspace sends BS or DEL)
+AC_ARG_WITH(xterm-kbs,
+       [  --with-xterm-kbs=XXX    specify if xterm backspace sends BS or DEL],
+       [with_xterm_kbs=$withval],
+       [with_xterm_kbs=BS])
+case x$with_xterm_kbs in
+(xyes|xno|xBS|xbs|x8)
+       with_xterm_kbs=BS
+       ;;
+(xDEL|xdel|x127)
+       with_xterm_kbs=DEL
+       ;;
+(*)
+       with_xterm_kbs=$withval
+       ;;
+esac
+AC_MSG_RESULT($with_xterm_kbs)
+XTERM_KBS=$with_xterm_kbs
+AC_SUBST(XTERM_KBS)
+
+MAKE_TERMINFO=
+if test "$use_database" = no ; then
+       TERMINFO="${datadir}/terminfo"
+       MAKE_TERMINFO="#"
+else
+
+AC_MSG_CHECKING(for list of terminfo directories)
+CF_WITH_PATHLIST(terminfo-dirs,
+       [  --with-terminfo-dirs=XXX specify list of terminfo directories],
+       TERMINFO_DIRS,
+       DATADIR/terminfo,
+       ${datadir}/terminfo)
+AC_MSG_RESULT($TERMINFO_DIRS)
+test -n "$TERMINFO_DIRS" && AC_DEFINE_UNQUOTED(TERMINFO_DIRS,"$TERMINFO_DIRS",[Define as needed to predefine the TERMINFO_DIR searchlist])
+
+case "x$TERMINFO" in
+x???:*)
+       AC_MSG_WARN(ignoring non-directory/file TERMINFO value)
+       unset TERMINFO
+       ;;
+esac
+
+AC_MSG_CHECKING(for default terminfo directory)
+CF_WITH_PATH(default-terminfo-dir,
+       [  --with-default-terminfo-dir=DIR default terminfo directory],
+       TERMINFO,
+       DATADIR/terminfo,
+       ${datadir}/terminfo)
+AC_MSG_RESULT($TERMINFO)
+AC_DEFINE_UNQUOTED(TERMINFO,"$TERMINFO",[Define to set the default terminal database path])
+
+fi
+
+AC_SUBST(TERMINFO)
+AC_SUBST(MAKE_TERMINFO)
+
+###    use option --disable-big-core to make tic run on small machines
+###    We need 4Mb, check if we can allocate 50% more than that.
 AC_MSG_CHECKING(if big-core option selected)
 AC_ARG_ENABLE(big-core,
 AC_MSG_CHECKING(if big-core option selected)
 AC_ARG_ENABLE(big-core,
-       [  --enable-big-core       assume machine has lots of memory],
+       [  --disable-big-core      assume machine has little memory],
        [with_big_core=$enableval],
        [with_big_core=$enableval],
-       [with_big_core=no])
+       [AC_TRY_RUN([
+#include <stdlib.h>
+#include <string.h>
+int main() {
+       unsigned long n = 6000000L;
+       char *s = malloc(n);
+       if (s != 0)
+               s[0] = s[n-1] = 0;
+       ${cf_cv_main_return:-return}(s == 0);
+}],
+       [with_big_core=yes],
+       [with_big_core=no],
+       [with_big_core=no])])
 AC_MSG_RESULT($with_big_core)
 AC_MSG_RESULT($with_big_core)
-test "$with_big_core" = "yes" && AC_DEFINE(HAVE_BIG_CORE)
+test "x$with_big_core" = "xyes" && AC_DEFINE(HAVE_BIG_CORE,1,[Define to 1 if machine has ample memory for tic])
+
+### ISO C only guarantees 512-char strings, we have tables which load faster
+### when constructed using "big" strings.  More than the C compiler, the awk
+### program is a limit on most vendor UNIX systems.  Check that we can build.
+AC_MSG_CHECKING(if big-strings option selected)
+AC_ARG_ENABLE(big-strings,
+       [  --disable-big-strings   assume compiler has only standard-size strings],
+       [with_big_strings=$enableval],
+       [CF_AWK_BIG_PRINTF(12000,with_big_strings)])
+AC_MSG_RESULT($with_big_strings)
+
+USE_BIG_STRINGS=0
+test "x$with_big_strings" = "xyes" && USE_BIG_STRINGS=1
+AC_SUBST(USE_BIG_STRINGS)
 
 ###    use option --enable-termcap to compile in the termcap fallback support
 
 ###    use option --enable-termcap to compile in the termcap fallback support
-AC_MSG_CHECKING(if termcap-fallback support is needed)
+AC_MSG_CHECKING(if you want termcap-fallback support)
 AC_ARG_ENABLE(termcap,
        [  --enable-termcap        compile in termcap fallback support],
        [with_termcap=$enableval],
        [with_termcap=no])
 AC_MSG_RESULT($with_termcap)
 
 AC_ARG_ENABLE(termcap,
        [  --enable-termcap        compile in termcap fallback support],
        [with_termcap=$enableval],
        [with_termcap=no])
 AC_MSG_RESULT($with_termcap)
 
-if test "$with_termcap" != "yes" ; then
-       AC_DEFINE(PURE_TERMINFO)
+NCURSES_USE_TERMCAP=0
+if test "x$with_termcap" != "xyes" ; then
+       if test "$use_database" = no ; then
+               if test -z "$with_fallback" ; then
+                       AC_ERROR(You have disabled the database w/o specifying fallbacks)
+               fi
+       fi
+       AC_DEFINE(PURE_TERMINFO,1,[Define to 1 if we should support only terminfo])
 else
 
 else
 
-###    use option --enable-getcap to use a hacked getcap for reading termcaps
-AC_MSG_CHECKING(if fast termcap-loader is needed)
-AC_ARG_ENABLE(getcap,
-       [  --enable-getcap         fast termcap load, no xrefs to terminfo],
-       [with_getcap=$enableval],
-       [with_getcap=no])
-AC_MSG_RESULT($with_getcap)
-test "$with_getcap" = "yes" && AC_DEFINE(USE_GETCAP)
+       if test "$with_ticlib" != no ; then
+               AC_ERROR(Options --with-ticlib and --enable-termcap cannot be combined)
+       fi
 
 
-AC_MSG_CHECKING(if translated termcaps will be cached in ~/.terminfo)
-AC_ARG_ENABLE(getcap-cache,
-       [  --enable-getcap-cache   cache translated termcaps in ~/.terminfo],
-       [with_getcap_cache=$enableval],
-       [with_getcap_cache=no])
-AC_MSG_RESULT($with_getcap_cache)
-test "$with_getcap_cache" = "yes" && AC_DEFINE(USE_GETCAP_CACHE)
+       NCURSES_USE_TERMCAP=1
+       AC_MSG_CHECKING(for list of termcap files)
+       CF_WITH_PATHLIST(termpath,
+               [  --with-termpath=XXX     specify list of termcap files],
+               TERMPATH,
+               /etc/termcap:/usr/share/misc/termcap)
+       AC_MSG_RESULT($TERMPATH)
+       test -n "$TERMPATH" && AC_DEFINE_UNQUOTED(TERMPATH,"$TERMPATH",[Define to set the termcap searchlist])
+
+       ###     use option --enable-getcap to use a hacked getcap for reading termcaps
+       AC_MSG_CHECKING(if fast termcap-loader is needed)
+       AC_ARG_ENABLE(getcap,
+               [  --enable-getcap         fast termcap load, no xrefs to terminfo],
+               [with_getcap=$enableval],
+               [with_getcap=no])
+       AC_MSG_RESULT($with_getcap)
+       test "x$with_getcap" = "xyes" && AC_DEFINE(USE_GETCAP,1,[Define to 1 to use fast termcap-loader])
+
+       AC_MSG_CHECKING(if translated termcaps will be cached in ~/.terminfo)
+       AC_ARG_ENABLE(getcap-cache,
+               [  --enable-getcap-cache   cache translated termcaps in ~/.terminfo],
+               [with_getcap_cache=$enableval],
+               [with_getcap_cache=no])
+       AC_MSG_RESULT($with_getcap_cache)
+       test "x$with_getcap_cache" = "xyes" && AC_DEFINE(USE_GETCAP_CACHE,1,[Define to 1 if translated termcap should be stored in $HOME/.terminfo])
 
 fi
 
 fi
-
-###   use option --enable-symlinks to make tic use symlinks, not hard links
-AC_MSG_CHECKING(if tic should use symbolic links)
-AC_ARG_ENABLE(symlinks,
+AC_SUBST(NCURSES_USE_TERMCAP)
+
+###   Use option --disable-home-terminfo to completely remove ~/.terminfo
+AC_MSG_CHECKING(if ~/.terminfo is wanted)
+AC_ARG_ENABLE(home-terminfo,
+       [  --disable-home-terminfo drop ~/.terminfo from terminfo search-path],
+       [with_home_terminfo=$enableval],
+       [with_home_terminfo=yes])
+AC_MSG_RESULT($with_home_terminfo)
+test "x$with_home_terminfo" = "xyes" && AC_DEFINE(USE_HOME_TERMINFO,1,[Define to 1 if $HOME/.terminfo feature is wanted])
+
+AC_MSG_CHECKING(if you want to use restricted environment when running as root)
+AC_ARG_ENABLE(root-environ,
+       [  --disable-root-environ  restrict environment when running as root],
+       [with_root_environ=$enableval],
+       [with_root_environ=yes])
+AC_MSG_RESULT($with_root_environ)
+test "x$with_root_environ" = xyes && AC_DEFINE(USE_ROOT_ENVIRON,1,[Define to 1 if environment should be restricted for root user])
+
+###   Use option --enable-symlinks to make tic use symlinks, not hard links
+###   to reduce storage requirements for the terminfo database.
+CF_LINK_FUNCS
+
+with_links=no
+with_symlinks=no
+
+# soft links (symbolic links) are useful for some systems where hard links do
+# not work, or to make it simpler to copy terminfo trees around.
+if test "x$ac_cv_func_symlink" = xyes ; then
+       AC_MSG_CHECKING(if tic should use symbolic links)
+       AC_ARG_ENABLE(symlinks,
        [  --enable-symlinks       make tic use symbolic links not hard links],
        [with_symlinks=$enableval],
        [with_symlinks=no])
        [  --enable-symlinks       make tic use symbolic links not hard links],
        [with_symlinks=$enableval],
        [with_symlinks=no])
-AC_MSG_RESULT($with_symlinks)
-test "$with_symlinks" = yes && AC_DEFINE(USE_SYMLINKS)
+       AC_MSG_RESULT($with_symlinks)
+fi
+
+# If we have hard links and did not choose to use soft links instead, there is
+# no reason to make this choice optional - use the hard links.
+if test "$with_symlinks" = no ; then
+       AC_MSG_CHECKING(if tic should use hard links)
+       if test "x$ac_cv_func_link" = xyes ; then
+               with_links=yes
+       else
+               with_links=no
+       fi
+       AC_MSG_RESULT($with_links)
+fi
+
+test "x$with_links" = xyes && AC_DEFINE(USE_LINKS,1,[Define to 1 if hardlinks should be used in terminfo database])
+test "x$with_symlinks" = xyes && AC_DEFINE(USE_SYMLINKS,1,[Define to 1 if symbolic links should be used in terminfo database])
+
+###   use option --enable-broken-linker to force on use of broken-linker support
+CF_ENABLE_BROKEN_LINKER
 
 ###   use option --enable-bsdpad to have tputs process BSD-style prefix padding
 AC_MSG_CHECKING(if tputs should process BSD-style prefix padding)
 
 ###   use option --enable-bsdpad to have tputs process BSD-style prefix padding
 AC_MSG_CHECKING(if tputs should process BSD-style prefix padding)
@@ -292,367 +866,1616 @@ AC_ARG_ENABLE(bsdpad,
        [with_bsdpad=$enableval],
        [with_bsdpad=no])
 AC_MSG_RESULT($with_bsdpad)
        [with_bsdpad=$enableval],
        [with_bsdpad=no])
 AC_MSG_RESULT($with_bsdpad)
-test "$with_bsdpad" = yes && AC_DEFINE(BSD_TPUTS)
+test "x$with_bsdpad" = xyes && AC_DEFINE(BSD_TPUTS,1,[Define to 1 to recognize BSD-style prefix padding])
+
+###   use option --enable-widec to turn on use of wide-character support
+NCURSES_CH_T=chtype
+NCURSES_LIBUTF8=0
+
+NEED_WCHAR_H=0
+NCURSES_MBSTATE_T=0
+NCURSES_WCHAR_T=0
+NCURSES_WINT_T=0
+
+# Check to define _XOPEN_SOURCE "automatically"
+CPPFLAGS_before_XOPEN="$CPPFLAGS"
+CF_XOPEN_SOURCE(600)
+CPPFLAGS_after_XOPEN="$CPPFLAGS"
+
+# Work around breakage on OS X
+CF_SIGWINCH
+
+# Checks for CODESET support.
+AM_LANGINFO_CODESET
+
+# use these variables to work around a defect in gcc's fixincludes.
+NCURSES_OK_WCHAR_T=
+NCURSES_OK_WINT_T=
+
+AC_MSG_CHECKING(if you want wide-character code)
+AC_ARG_ENABLE(widec,
+       [  --enable-widec          compile with wide-char/UTF-8 code],
+       [with_widec=$enableval],
+       [with_widec=no])
+AC_MSG_RESULT($with_widec)
+
+NCURSES_WCWIDTH_GRAPHICS=1
+AC_SUBST(NCURSES_WCWIDTH_GRAPHICS)
+
+if test "x$with_widec" = xyes ; then
+       if test "x$disable_lib_suffixes" = xno ; then
+               LIB_SUFFIX="w${LIB_SUFFIX}"
+       fi
+       AC_DEFINE(USE_WIDEC_SUPPORT,1,[Define to 1 to compile with wide-char/UTF-8 code])
+       AC_DEFINE(NCURSES_WIDECHAR,1,[Define to 1 to compile with wide-char/UTF-8 code])
+
+       CF_CHECK_WCHAR_H
+       CF_CHECK_WCWIDTH_GRAPHICS
+       test "$cf_cv_wcwidth_graphics" = no && NCURSES_WCWIDTH_GRAPHICS=0
+
+       # with_overwrite=no
+       NCURSES_CH_T=cchar_t
+       AC_CHECK_FUNCS(putwc btowc wctob mbtowc wctomb mblen mbrlen mbrtowc wcsrtombs mbsrtowcs wcstombs mbstowcs)
+       if test "x$ac_cv_func_putwc" != xyes ; then
+               CF_UTF8_LIB
+               if test "$cf_cv_utf8_lib" != no ; then
+                       NCURSES_LIBUTF8=1
+               fi
+       fi
+       CF_WCHAR_TYPE(mbstate_t, NCURSES_MBSTATE_T)
+       CF_WCHAR_TYPE(wchar_t,   NCURSES_WCHAR_T,   NCURSES_OK_WCHAR_T)
+       CF_WCHAR_TYPE(wint_t,    NCURSES_WINT_T,    NCURSES_OK_WINT_T)
+
+       if test "$NCURSES_MBSTATE_T" != 0; then
+               AC_DEFINE(NEED_MBSTATE_T_DEF,1,[Define to 1 if we must declare mbstate_t])
+       fi
+fi
+AC_SUBST(NCURSES_CH_T)
+AC_SUBST(NCURSES_LIBUTF8)
+
+AC_SUBST(NEED_WCHAR_H)
+AC_SUBST(NCURSES_MBSTATE_T)
+AC_SUBST(NCURSES_WCHAR_T)
+AC_SUBST(NCURSES_WINT_T)
+
+AC_SUBST(NCURSES_OK_WCHAR_T)
+AC_SUBST(NCURSES_OK_WINT_T)
+
+###   use option --disable-lp64 to allow long chtype
+AC_MSG_CHECKING(whether to enable _LP64 definition in curses.h)
+AC_ARG_ENABLE(lp64,
+       [  --disable-lp64          allow chtype to be long (ignore _LP64)],
+       [with_lp64=$enableval],
+       [with_lp64=$cf_dft_with_lp64])
+AC_MSG_RESULT($with_lp64)
+
+if test "x$with_lp64" = xyes ; then
+       cf_cv_enable_lp64=1
+else
+       cf_cv_enable_lp64=0
+fi
+AC_SUBST(cf_cv_enable_lp64)
+
+CF_LARGEFILE
+
+###   use option --disable-tparm-varargs to make tparm() conform to X/Open
+AC_MSG_CHECKING(if you want tparm not to use X/Open fixed-parameter list)
+AC_ARG_ENABLE(tparm-varargs,
+       [  --disable-tparm-varargs compile tparm() without varargs interface],
+       [with_tparm_varargs=$enableval],
+       [with_tparm_varargs=yes])
+AC_MSG_RESULT($with_tparm_varargs)
+NCURSES_TPARM_VARARGS=0
+test "x$with_tparm_varargs" = xyes && NCURSES_TPARM_VARARGS=1
+AC_SUBST(NCURSES_TPARM_VARARGS)
+
+###   use option --disable-tic-depends to make libtic not explicitly depend on ncurses/ncursesw
+if test "$with_ticlib" != no ; then
+AC_MSG_CHECKING(if you want tic library to use explicit dependency on ncurses$LIB_SUFFIX library)
+AC_ARG_ENABLE(tic-depends,
+       [  --disable-tic-depends   link tic library without explicit dependency on ncurses library],
+       [with_tic_depends=$enableval],
+       [with_tic_depends=yes])
+AC_MSG_RESULT($with_tic_depends)
+else
+       with_tic_depends=no
+fi
+
+###   use option --disable-wattr-macros to suppress wattr* macros from curses.h
+AC_MSG_CHECKING(if you want to suppress wattr* macros to help with ncurses5/ncurses6 transition)
+AC_ARG_ENABLE(wattr-macros,
+       [  --disable-wattr-macros  suppress wattr* macros to help with ncurses5/ncurses6 transition],
+       [with_wattr_macros=$enableval],
+       [with_wattr_macros=yes])
+if [[ "x$with_wattr_macros" != xyes ]]; then
+       NCURSES_WATTR_MACROS=0
+       AC_MSG_RESULT(yes)
+else
+       NCURSES_WATTR_MACROS=1
+       AC_MSG_RESULT(no)
+fi
+AC_SUBST(NCURSES_WATTR_MACROS)
+
+CF_WITH_X11_RGB
+
+###   use option --with-bool to override bool's type
+AC_MSG_CHECKING(for type of bool)
+AC_ARG_WITH(bool,
+       [  --with-bool=TYPE        override fallback type of bool variable],
+       [NCURSES_BOOL="$withval"],
+       [NCURSES_BOOL=auto])
+AC_MSG_RESULT($NCURSES_BOOL)
+AC_SUBST(NCURSES_BOOL)
+
+AC_MSG_CHECKING(for alternate terminal capabilities file)
+AC_ARG_WITH(caps,
+       [  --with-caps=alt         compile with alternate Caps file],
+       [TERMINFO_CAPS=Caps.$withval],
+       [TERMINFO_CAPS=Caps])
+test -f "${srcdir}/include/${TERMINFO_CAPS}" || TERMINFO_CAPS=Caps
+AC_MSG_RESULT($TERMINFO_CAPS)
+AC_SUBST(TERMINFO_CAPS)
+
+###   use option --with-chtype to override chtype's type
+AC_MSG_CHECKING(for type of chtype)
+AC_ARG_WITH(chtype,
+       [  --with-chtype=TYPE      override type of chtype],
+       [NCURSES_CHTYPE="$withval"],
+       [NCURSES_CHTYPE=$cf_dft_chtype])
+AC_MSG_RESULT($NCURSES_CHTYPE)
+
+###   use option --with-ospeed to override ospeed's type
+AC_MSG_CHECKING(for type of ospeed)
+AC_ARG_WITH(ospeed,
+       [  --with-ospeed=TYPE      override type of ospeed variable],
+       [NCURSES_OSPEED="$withval"],
+       [NCURSES_OSPEED=short])
+AC_MSG_RESULT($NCURSES_OSPEED)
+AC_SUBST(NCURSES_OSPEED)
+
+###   use option --with-mmask-t to override mmask_t's type
+AC_MSG_CHECKING(for type of mmask_t)
+AC_ARG_WITH(mmask-t,
+       [  --with-mmask-t=TYPE     override type of mmask_t],
+       [NCURSES_MMASK_T="$withval"],
+       [NCURSES_MMASK_T=$cf_dft_mmask_t])
+AC_MSG_RESULT($NCURSES_MMASK_T)
+
+###   use option --with-ccharw-max to override CCHARW_MAX size
+AC_MSG_CHECKING(for size CCHARW_MAX)
+AC_ARG_WITH(ccharw-max,
+       [  --with-ccharw-max=XXX   override size CCHARW_MAX],
+       [NCURSES_CCHARW_MAX="$withval"],
+       [NCURSES_CCHARW_MAX=5])
+AC_MSG_RESULT($NCURSES_CCHARW_MAX)
+AC_SUBST(NCURSES_CCHARW_MAX)
+
+AC_CHECK_SIZEOF([signed char])
+if test "$ac_cv_sizeof_signed_char" = 1 ; then
+       NCURSES_SBOOL="signed char"
+else
+       NCURSES_SBOOL="char"
+fi
+AC_MSG_CHECKING(if you want to use signed Boolean array in term.h)
+AC_ARG_ENABLE(signed-char,
+       [  --enable-signed-char    compile using signed Boolean's in term.h],
+       [with_signed_char=$enableval],
+       [with_signed_char=no])
+AC_MSG_RESULT($with_signed_char)
+test "x$with_signed_char" != xyes && NCURSES_SBOOL="char"
+AC_SUBST(NCURSES_SBOOL)
+
+###   use option --with-tparm-arg to override tparm's argument type
+AC_MSG_CHECKING(for type of tparm args)
+AC_ARG_WITH(tparm-arg,
+       [  --with-tparm-arg=TYPE   override parameter type of tparm],
+       [NCURSES_TPARM_ARG="$withval"],
+       [NCURSES_TPARM_ARG=$cf_dft_tparm_arg])
+AC_MSG_RESULT($NCURSES_TPARM_ARG)
+AC_SUBST(NCURSES_TPARM_ARG)
+
+### Enable compiling-in rcs id's
+AC_MSG_CHECKING(if RCS identifiers should be compiled-in)
+AC_ARG_WITH(rcs-ids,
+       [  --with-rcs-ids          compile-in RCS identifiers],
+       [with_rcs_ids=$withval],
+       [with_rcs_ids=no])
+AC_MSG_RESULT($with_rcs_ids)
+test "x$with_rcs_ids" = xyes && AC_DEFINE(USE_RCS_IDS,1,[Define to 1 to compile-in RCS identifiers])
+
+###############################################################################
+CF_MAN_PAGES([ captoinfo clear infocmp infotocap reset tabs tic toe tput tset ])
+
+###############################################################################
+CF_HELP_MESSAGE(Extensions:)
+
+### Note that some functions (such as const) are normally disabled anyway.
+AC_MSG_CHECKING(if you want to build with function extensions)
+AC_ARG_ENABLE(ext-funcs,
+       [  --disable-ext-funcs     disable function-extensions],
+       [with_ext_funcs=$enableval],
+       [with_ext_funcs=yes])
+AC_MSG_RESULT($with_ext_funcs)
+if test "x$with_ext_funcs" = xyes ; then
+       NCURSES_EXT_FUNCS=1
+       AC_DEFINE(NCURSES_EXT_FUNCS,1,[Define to 1 to enable ncurses extended functions])
+       AC_DEFINE(HAVE_ASSUME_DEFAULT_COLORS,1,[Define to 1 to enable assume_default_colors() function in test-programs])
+       AC_DEFINE(HAVE_CURSES_VERSION,1,[Define to 1 to enable curses_version() function in test-programs])
+       AC_DEFINE(HAVE_HAS_KEY,1,[Define to 1 to enable has_key() function in test-programs])
+       AC_DEFINE(HAVE_RESIZETERM,1,[Define to 1 to enable resizeterm() function in test-programs])
+       AC_DEFINE(HAVE_RESIZE_TERM,1,[Define to 1 to enable resize_term() function in test-programs])
+       AC_DEFINE(HAVE_TERM_ENTRY_H,1,[Define to 1 to enable term_entry() function in test-programs])
+       AC_DEFINE(HAVE_USE_DEFAULT_COLORS,1,[Define to 1 to enable use_default_colors() function in test-programs])
+       AC_DEFINE(HAVE_USE_EXTENDED_NAMES,1,[Define to 1 to enable use_extended_names() function in test-programs])
+       AC_DEFINE(HAVE_USE_SCREEN,1,[Define to 1 to enable use_screen() function in test-programs])
+       AC_DEFINE(HAVE_USE_WINDOW,1,[Define to 1 to enable use_window() function in test-programs])
+       AC_DEFINE(HAVE_WRESIZE,1,[Define to 1 to enable wresize() function in test-programs])
+       GENERATED_EXT_FUNCS=generated
+       test "x$with_ext_funcs" = xyes || cf_dft_ext_spfuncs=no
+else
+       NCURSES_EXT_FUNCS=0
+       GENERATED_EXT_FUNCS=
+fi
+AC_SUBST(NCURSES_EXT_FUNCS)
+AC_SUBST(GENERATED_EXT_FUNCS)
+
+AC_MSG_CHECKING(if you want to build with SCREEN extensions)
+AC_ARG_ENABLE(sp-funcs,
+       [  --enable-sp-funcs       enable SCREEN-extensions],
+       [with_sp_funcs=$enableval],
+       [with_sp_funcs=$cf_dft_ext_spfuncs])
+AC_MSG_RESULT($with_sp_funcs)
+if test "x$with_sp_funcs" = xyes ; then
+       NCURSES_SP_FUNCS=1
+       AC_DEFINE(NCURSES_SP_FUNCS,1,[Define to 1 to enable SCREEN-extensions])
+       AC_DEFINE(HAVE_TPUTS_SP,1,[Define to 1 to enable tputs_sp() function in test-programs])
+       GENERATED_SP_FUNCS=generated
+else
+       NCURSES_SP_FUNCS=0
+       GENERATED_SP_FUNCS=
+fi
+AC_SUBST(NCURSES_SP_FUNCS)
+AC_SUBST(GENERATED_SP_FUNCS)
+
+AC_MSG_CHECKING(if you want to build with terminal-driver)
+AC_ARG_ENABLE(term-driver,
+       [  --enable-term-driver    enable terminal-driver],
+       [with_term_driver=$enableval],
+       [with_term_driver=no])
+AC_MSG_RESULT($with_term_driver)
+if test "x$with_term_driver" = xyes ; then
+       AC_DEFINE(USE_TERM_DRIVER,1,[Define to 1 to enable terminal-driver])
+       if test "x$with_termlib" != xno ; then
+               AC_MSG_ERROR(The term-driver option conflicts with the termlib option)
+       fi
+       if test "x$with_sp_funcs" != xyes ; then
+               AC_MSG_ERROR(The term-driver option relies upon sp-funcs)
+       fi
+fi
 
 ###   use option --enable-const to turn on use of const beyond that in XSI.
 AC_MSG_CHECKING(for extended use of const keyword)
 AC_ARG_ENABLE(const,
        [  --enable-const          compile with extra/non-standard const],
        [with_ext_const=$enableval],
 
 ###   use option --enable-const to turn on use of const beyond that in XSI.
 AC_MSG_CHECKING(for extended use of const keyword)
 AC_ARG_ENABLE(const,
        [  --enable-const          compile with extra/non-standard const],
        [with_ext_const=$enableval],
-       [with_ext_const=no])
+       [with_ext_const=$cf_dft_ext_const])
 AC_MSG_RESULT($with_ext_const)
 AC_MSG_RESULT($with_ext_const)
-test "$with_ext_const" = yes && AC_DEFINE(NCURSES_CONST,const)
+NCURSES_CONST='/*nothing*/'
+if test "x$with_ext_const" = xyes ; then
+       NCURSES_CONST=const
+fi
+AC_SUBST(NCURSES_CONST)
+
+###   use option --enable-ext-colors to turn on use of colors beyond 16.
+AC_MSG_CHECKING(if you want to use extended colors)
+AC_ARG_ENABLE(ext-colors,
+       [  --enable-ext-colors     compile for 256-color support],
+       [with_ext_colors=$enableval],
+       [with_ext_colors=$cf_dft_ext_colors])
+AC_MSG_RESULT($with_ext_colors)
+NCURSES_EXT_COLORS=0
+if test "x$with_ext_colors" = xyes ; then
+       if test "x$with_widec" != xyes ; then
+               AC_MSG_WARN(This option applies only to wide-character library)
+       else
+               # cannot be ABI 5 since it changes sizeof(cchar_t)
+               CF_NCURSES_ABI_6
+               NCURSES_EXT_COLORS=1
+               AC_DEFINE(NCURSES_EXT_COLORS,1,[Define to 1 to compile for 256-color support])
+               AC_DEFINE(HAVE_ALLOC_PAIR,1,[Define to 1 to enable alloc_pair() function])
+               AC_DEFINE(HAVE_INIT_EXTENDED_COLOR,1,[Define to 1 to enable init_extended_color() function in test-programs])
+               AC_DEFINE(HAVE_RESET_COLOR_PAIRS,1,[Define to 1 to enable reset_color_pairs() function in test-programs])
+       fi
+fi
+AC_SUBST(NCURSES_EXT_COLORS)
+
+###   use option --enable-ext-mouse to modify coding to support 5-button mice
+AC_MSG_CHECKING(if you want to use extended mouse encoding)
+AC_ARG_ENABLE(ext-mouse,
+       [  --enable-ext-mouse      compile for extended mouse-encoding],
+       [with_ext_mouse=$enableval],
+       [with_ext_mouse=$cf_dft_ext_mouse])
+AC_MSG_RESULT($with_ext_mouse)
+NCURSES_MOUSE_VERSION=1
+if test "x$with_ext_mouse" = xyes ; then
+       NCURSES_MOUSE_VERSION=2
+       CF_NCURSES_ABI_6
+fi
+AC_SUBST(NCURSES_MOUSE_VERSION)
+
+###   use option --enable-ext-putwin to turn on extended screendumps
+AC_MSG_CHECKING(if you want to use extended putwin/screendump)
+AC_ARG_ENABLE(ext-putwin,
+       [  --enable-ext-putwin     compile with extended putwin/screendump],
+       [with_ext_putwin=$enableval],
+       [with_ext_putwin=$cf_dft_ext_putwin])
+AC_MSG_RESULT($with_ext_putwin)
+if test "x$with_ext_putwin" = xyes ; then
+       AC_DEFINE(NCURSES_EXT_PUTWIN,1,[Define to 1 to compile with extended putwin/screendump])
+fi
 
 
-### Enable compiling-in rcs id's
-AC_MSG_CHECKING(if RCS identifiers should be compiled-in)
-AC_ARG_WITH(rcs-ids,
-       [  --with-rcs-ids          build: compile-in RCS identifiers],
-       [with_rcs_ids=$enableval],
-       [with_rcs_ids=no])
-AC_MSG_RESULT($with_rcs_ids)
-test "$with_rcs_ids" = yes && AC_DEFINE(USE_RCS_IDS)
+AC_MSG_CHECKING(if you want \$NCURSES_NO_PADDING code)
+AC_ARG_ENABLE(no-padding,
+       [  --enable-no-padding     compile with $NCURSES_NO_PADDING code],
+       [with_no_padding=$enableval],
+       [with_no_padding=$with_ext_funcs])
+AC_MSG_RESULT($with_no_padding)
+test "x$with_no_padding" = xyes && AC_DEFINE(NCURSES_NO_PADDING,1,[Define to 1 to compile with $NCURSES_NO_PADDING code])
+
+###   use option --enable-sigwinch to turn on use of SIGWINCH logic
+AC_MSG_CHECKING(if you want SIGWINCH handler)
+AC_ARG_ENABLE(sigwinch,
+       [  --enable-sigwinch       compile with SIGWINCH handler],
+       [with_sigwinch=$enableval],
+       [with_sigwinch=$with_ext_funcs])
+AC_MSG_RESULT($with_sigwinch)
+test "x$with_sigwinch" = xyes && AC_DEFINE(USE_SIGWINCH,1,[Define to 1 to compile with SIGWINCH handler])
+
+###   use option --enable-tcap-names to allow user to define new capabilities
+AC_MSG_CHECKING(if you want user-definable terminal capabilities like termcap)
+AC_ARG_ENABLE(tcap-names,
+       [  --enable-tcap-names     compile with user-definable terminal capabilities],
+       [with_tcap_names=$enableval],
+       [with_tcap_names=$with_ext_funcs])
+AC_MSG_RESULT($with_tcap_names)
+NCURSES_XNAMES=0
+test "x$with_tcap_names" = xyes && NCURSES_XNAMES=1
+AC_SUBST(NCURSES_XNAMES)
+
+##############################################################################
+CF_HELP_MESSAGE(Reentrant Code:)
+CF_WITH_PTHREAD
+
+if test "x$with_pthread" != xno; then
+       AC_CHECK_FUNC(pthread_kill,[
+               AC_MSG_CHECKING(if you want to allow EINTR in wgetch with pthreads)
+               AC_ARG_ENABLE(pthreads-eintr,
+                       [  --enable-pthreads-eintr enable EINTR in wgetch with pthreads],
+                       [use_pthreads_eintr=$enableval],
+                       [use_pthreads_eintr=no])
+               AC_MSG_RESULT($use_pthreads_eintr)
+               if test "x$use_pthreads_eintr" = xyes ; then
+                       AC_DEFINE(USE_PTHREADS_EINTR,1,[Define to 1 to enable EINTR in wgetch with pthreads])
+               fi])
+
+       AC_MSG_CHECKING(if you want to use weak-symbols for pthreads)
+       AC_ARG_ENABLE(weak-symbols,
+               [  --enable-weak-symbols   enable weak-symbols for pthreads],
+               [use_weak_symbols=$enableval],
+               [use_weak_symbols=no])
+       AC_MSG_RESULT($use_weak_symbols)
+       if test "x$use_weak_symbols" = xyes ; then
+               CF_WEAK_SYMBOLS
+       else
+               cf_cv_weak_symbols=no
+       fi
+
+       if test "x$cf_cv_weak_symbols" = xyes ; then
+               AC_DEFINE(USE_WEAK_SYMBOLS,1,[Define to 1 to enable weak-symbols for pthreads])
+       fi
+fi
+
+PTHREAD=
+if test "x$with_pthread" = "xyes" ; then
+       AC_DEFINE(USE_PTHREADS,1,[Define to 1 to use pthreads feature])
+       enable_reentrant=yes
+       if test "x$cf_cv_weak_symbols" = xyes ; then
+               PTHREAD=-lpthread
+               CF_ADD_LIB(pthread,PRIVATE_LIBS)
+       fi
+fi
+AC_SUBST(PTHREAD)
+
+# Reentrant code has to be opaque; there's little advantage to making ncurses
+# opaque outside of that, so there is no --enable-opaque option.  We can use
+# this option without --with-pthreads, but this will be always set for
+# pthreads.
+AC_MSG_CHECKING(if you want reentrant code)
+AC_ARG_ENABLE(reentrant,
+       [  --enable-reentrant      compile with reentrant code],
+       [with_reentrant=$enableval],
+       [with_reentrant=no])
+AC_MSG_RESULT($with_reentrant)
+if test "x$with_reentrant" = xyes ; then
+       cf_cv_enable_reentrant=1
+       cf_cv_enable_opaque="NCURSES_INTERNALS"
+       NCURSES_SIZE_T=int
+       if test "x$cf_cv_weak_symbols" = xyes ; then
+               CF_REMOVE_LIB(LIBS,$LIBS,pthread)
+               CF_ADD_LIB(pthread,TEST_LIBS)
+               CF_ADD_LIB(pthread,TEST_LIBS2)
+               CF_ADD_LIB(pthread,PRIVATE_LIBS)
+       else
+               # when not using weak symbols but with_reentrant,
+               # add 't' to the library suffix on all platforms
+               # except cygwin, where we only do that if ALSO
+               # compiling with full thread support.
+               case "$host" in
+               (*cygwin* | *msys*)
+                       if test "$with_pthread" = "yes" ; then
+                               if test "x$disable_lib_suffixes" = "xno" ; then
+                                       LIB_SUFFIX="t${LIB_SUFFIX}"
+                               fi
+                       fi ;;
+               (*)
+                       if test "x$disable_lib_suffixes" = "xno" ; then
+                               LIB_SUFFIX="t${LIB_SUFFIX}"
+                       fi
+                       ;;
+               esac
+       fi
+       AC_DEFINE(USE_REENTRANT,1,[Define to 1 to use reentrant feature])
+       CF_NCURSES_ABI_6
+else
+       cf_cv_enable_reentrant=0
+       cf_cv_enable_opaque="NCURSES_OPAQUE"
+       NCURSES_SIZE_T=short
+fi
+AC_SUBST(cf_cv_enable_reentrant)
+AC_SUBST(cf_cv_enable_opaque)
+
+AC_SUBST(NCURSES_SIZE_T)
+
+AC_MSG_CHECKING(if you want opaque curses-library structures)
+CF_ARG_ENABLE(opaque-curses,
+       [  --enable-opaque-curses  make curses WINDOW, etc., "opaque"],
+       [enable_opaque_curses=yes],[
+        test "$cf_cv_enable_reentrant" = 1 && enable_opaque_curses=yes
+        test "$cf_cv_enable_reentrant" = 1 || enable_opaque_curses=no
+       ])
+AC_MSG_RESULT($enable_opaque_curses)
+
+test "$cf_cv_enable_reentrant" = 1 && \
+test "$enable_opaque_curses" = no && \
+AC_MSG_ERROR(reentrant configuration requires opaque library)
+
+AC_MSG_CHECKING(if you want opaque form-library structures)
+AC_ARG_ENABLE(opaque-form,
+       [  --enable-opaque-form    make form-library structures "opaque"],
+       [enable_opaque_form=yes],[enable_opaque_form=no])
+AC_MSG_RESULT($enable_opaque_form)
+
+AC_MSG_CHECKING(if you want opaque menu-library structures)
+AC_ARG_ENABLE(opaque-menu,
+       [  --enable-opaque-menu    make menu-library structures "opaque"],
+       [enable_opaque_menu=yes],[enable_opaque_menu=no])
+AC_MSG_RESULT($enable_opaque_menu)
+
+AC_MSG_CHECKING(if you want opaque panel-library structures)
+AC_ARG_ENABLE(opaque-panel,
+       [  --enable-opaque-panel   make panel-library structures "opaque"],
+       [enable_opaque_panel=yes],[enable_opaque_panel=no])
+AC_MSG_RESULT($enable_opaque_panel)
+
+NCURSES_OPAQUE=0;              test "$enable_opaque_curses" = yes && NCURSES_OPAQUE=1
+NCURSES_OPAQUE_FORM=0; test "$enable_opaque_form"   = yes && NCURSES_OPAQUE_FORM=1
+NCURSES_OPAQUE_MENU=0; test "$enable_opaque_menu"   = yes && NCURSES_OPAQUE_MENU=1
+NCURSES_OPAQUE_PANEL=0;        test "$enable_opaque_panel"  = yes && NCURSES_OPAQUE_PANEL=1
+
+AC_SUBST(NCURSES_OPAQUE)
+AC_SUBST(NCURSES_OPAQUE_FORM)
+AC_SUBST(NCURSES_OPAQUE_MENU)
+AC_SUBST(NCURSES_OPAQUE_PANEL)
+
+### Allow using a different wrap-prefix
+if test "$cf_cv_enable_reentrant" != 0 || test "$BROKEN_LINKER" = 1 ; then
+       AC_MSG_CHECKING(for prefix used to wrap public variables)
+       AC_ARG_WITH(wrap-prefix,
+               [  --with-wrap-prefix=XXX  override prefix used for public variables],
+               [NCURSES_WRAP_PREFIX=$withval],
+               [NCURSES_WRAP_PREFIX=_nc_])
+       AC_MSG_RESULT($NCURSES_WRAP_PREFIX)
+else
+       NCURSES_WRAP_PREFIX=_nc_
+fi
+AC_SUBST(NCURSES_WRAP_PREFIX)
+AC_DEFINE_UNQUOTED(NCURSES_WRAP_PREFIX,"$NCURSES_WRAP_PREFIX",[Define to override _nc_ prefix])
+
+###############################################################################
+# These options are relatively safe to experiment with.
+CF_HELP_MESSAGE(Development Code:)
+AC_MSG_CHECKING(if you want all development code)
+AC_ARG_WITH(develop,
+       [  --without-develop       disable development options],
+       [with_develop=$withval],
+       [with_develop=no])
+AC_MSG_RESULT($with_develop)
+
+###   use option --enable-hard-tabs to turn on use of hard-tabs optimize
+AC_MSG_CHECKING(if you want hard-tabs code)
+AC_ARG_ENABLE(hard-tabs,
+       [  --enable-hard-tabs      compile with hard-tabs code],,
+       [enable_hard_tabs=$with_develop])
+AC_MSG_RESULT($enable_hard_tabs)
+test "x$enable_hard_tabs" = xyes && AC_DEFINE(USE_HARD_TABS,1,[Define to 1 to compile with hard-tabs code])
+
+###   use option --enable-xmc-glitch to turn on use of magic-cookie optimize
+AC_MSG_CHECKING(if you want limited support for xmc)
+AC_ARG_ENABLE(xmc-glitch,
+       [  --enable-xmc-glitch     compile with support for xmc (magic-cookie)],,
+       [enable_xmc_glitch=$with_develop])
+AC_MSG_RESULT($enable_xmc_glitch)
+test "x$enable_xmc_glitch" = xyes && AC_DEFINE(USE_XMC_SUPPORT,1,[Define to 1 to compile with support for xmc (magic-cookie)])
+
+###############################################################################
+# These are just experimental, probably should not be in a package:
+CF_HELP_MESSAGE(Experimental Code:)
+
+AC_MSG_CHECKING(if you do not want to assume colors are white-on-black)
+AC_ARG_ENABLE(assumed-color,
+       [  --disable-assumed-color do not assume anything about default-colors],
+       [with_assumed_color=$enableval],
+       [with_assumed_color=yes])
+AC_MSG_RESULT($with_assumed_color)
+test "x$with_assumed_color" = xyes && AC_DEFINE(USE_ASSUMED_COLOR,1,[Define to 1 to assume things about default-colors])
+
+###   use option --enable-hashmap to turn on use of hashmap scrolling logic
+AC_MSG_CHECKING(if you want hashmap scrolling-optimization code)
+AC_ARG_ENABLE(hashmap,
+       [  --disable-hashmap       compile without hashmap scrolling-optimization],
+       [with_hashmap=$enableval],
+       [with_hashmap=yes])
+AC_MSG_RESULT($with_hashmap)
+test "x$with_hashmap" = xyes && AC_DEFINE(USE_HASHMAP,1,[Define to 1 to compile with hashmap scrolling-optimization])
+
+###   use option --enable-colorfgbg to turn on use of $COLORFGBG environment
+AC_MSG_CHECKING(if you want colorfgbg code)
+AC_ARG_ENABLE(colorfgbg,
+       [  --enable-colorfgbg      compile-in experimental $COLORFGBG code],
+       [with_colorfgbg=$enableval],
+       [with_colorfgbg=no])
+AC_MSG_RESULT($with_colorfgbg)
+test "x$with_colorfgbg" = xyes && AC_DEFINE(USE_COLORFGBG,1,[Define to 1 to compile-in experimental $COLORFGBG code])
+
+###   use option --enable-interop to turn on use of bindings used for interop
+AC_MSG_CHECKING(if you want interop bindings)
+AC_ARG_ENABLE(interop,
+       [  --enable-interop        compile-in interop bindings],
+       [with_exp_interop=$enableval],
+       [with_exp_interop=$cf_dft_interop])
+AC_MSG_RESULT($with_exp_interop)
+
+NCURSES_INTEROP_FUNCS=0
+test "x$with_exp_interop" = xyes && NCURSES_INTEROP_FUNCS=1
+AC_SUBST(NCURSES_INTEROP_FUNCS)
+
+
+AC_MSG_CHECKING(if you want experimental safe-sprintf code)
+AC_ARG_ENABLE(safe-sprintf,
+       [  --enable-safe-sprintf   compile with experimental safe-sprintf code],
+       [with_safe_sprintf=$enableval],
+       [with_safe_sprintf=no])
+AC_MSG_RESULT($with_safe_sprintf)
+
+###   use option --disable-scroll-hints to turn off use of scroll-hints scrolling logic
+# when hashmap is used scroll hints are useless
+if test "$with_hashmap" = no ; then
+AC_MSG_CHECKING(if you want to experiment without scrolling-hints code)
+AC_ARG_ENABLE(scroll-hints,
+       [  --disable-scroll-hints  compile without scroll-hints code],
+       [with_scroll_hints=$enableval],
+       [with_scroll_hints=yes])
+AC_MSG_RESULT($with_scroll_hints)
+test "x$with_scroll_hints" = xyes && AC_DEFINE(USE_SCROLL_HINTS,1,[Define to 1 to compile without scroll-hints code])
+fi
+
+AC_MSG_CHECKING(if you want wgetch-events code)
+AC_ARG_ENABLE(wgetch-events,
+       [  --enable-wgetch-events  compile with wgetch-events code],
+       [with_wgetch_events=$enableval],
+       [with_wgetch_events=no])
+AC_MSG_RESULT($with_wgetch_events)
+test "x$with_wgetch_events" = xyes && AC_DEFINE(NCURSES_WGETCH_EVENTS,1,[Define to 1 to compile with wgetch-events code])
+
+###############################################################################
+CF_HELP_MESSAGE(Testing/development Options:)
 
 ###    use option --disable-echo to suppress full display compiling commands
 
 ###    use option --disable-echo to suppress full display compiling commands
-AC_ARG_ENABLE(echo,
-       [  --enable-echo           build: display \"compiling\" commands (default)],
-       [with_echo=$enableval],
-       [with_echo=yes])
-if test "$with_echo" = yes; then
+CF_DISABLE_ECHO
+if test "x$enable_echo" = xyes; then
        ECHO_LINK=
 else
        ECHO_LINK='@ echo linking $@ ... ;'
        ECHO_LINK=
 else
        ECHO_LINK='@ echo linking $@ ... ;'
+       test -n "$LIBTOOL" && LIBTOOL="$LIBTOOL --silent"
+       test -n "$LIBTOOL_CXX" && LIBTOOL_CXX="$LIBTOOL_CXX --silent"
 fi
 AC_SUBST(ECHO_LINK)
 
 fi
 AC_SUBST(ECHO_LINK)
 
+# --disable-stripping is used for debugging
+CF_INSTALL_OPTS
+
+# If we're avoiding relinking of shared libraries during install, that is to
+# avoid modifying the build-tree.  For the same reason, avoid doing ranlib if
+# the install program has "-p" (for preserving timestamps).
+cf_cv_do_reranlib=yes
+if test "x$cf_cv_install_p" = xyes
+then
+       if test "x$cf_cv_do_relink" != xyes
+       then
+               cf_cv_do_reranlib=no
+               INSTALL_OPT_P="-p"
+               INSTALL_LIB="$INSTALL_LIB $INSTALL_OPT_P"
+       fi
+fi
+AC_SUBST(INSTALL_OPT_P)
+
 ###    use option --enable-warnings to turn on all gcc warnings
 ###    use option --enable-warnings to turn on all gcc warnings
+AC_MSG_CHECKING(if you want to see compiler warnings)
 AC_ARG_ENABLE(warnings,
        [  --enable-warnings       build: turn on GCC compiler warnings],
        [with_warnings=$enableval])
 AC_ARG_ENABLE(warnings,
        [  --enable-warnings       build: turn on GCC compiler warnings],
        [with_warnings=$enableval])
-if test -n "$with_warnings"; then
-       ADAFLAGS="$ADAFLAGS -gnatg"
-       NC_GCC_WARNINGS
+AC_MSG_RESULT($with_warnings)
+
+if test "x$with_warnings" = "xyes"; then
+       CF_ADD_ADAFLAGS(-gnatg)
+       CF_GCC_WARNINGS(Wno-unknown-pragmas Wswitch-enum)
+       if test "x$cf_with_cxx" = xyes ; then
+               CF_GXX_WARNINGS(Wno-unused)
+       fi
 fi
 fi
-NC_GCC_ATTRIBUTES
+CF_GCC_ATTRIBUTES
+CF_ENABLE_STRING_HACKS
 
 ###    use option --enable-assertions to turn on generation of assertion code
 
 ###    use option --enable-assertions to turn on generation of assertion code
+AC_MSG_CHECKING(if you want to enable runtime assertions)
 AC_ARG_ENABLE(assertions,
        [  --enable-assertions     test: turn on generation of assertion code],
 AC_ARG_ENABLE(assertions,
        [  --enable-assertions     test: turn on generation of assertion code],
-       [with_assertions=$enableval])
+       [with_assertions=$enableval],
+       [with_assertions=no])
+AC_MSG_RESULT($with_assertions)
 if test -n "$GCC"
 then
 if test -n "$GCC"
 then
-       if test -z "$with_assertions"
+       if test "$with_assertions" = no
        then
                CPPFLAGS="$CPPFLAGS -DNDEBUG"
        else
        then
                CPPFLAGS="$CPPFLAGS -DNDEBUG"
        else
-               ADAFLAGS="$ADAFLAGS -gnata"
+               CF_ADD_ADAFLAGS(-gnata)
        fi
 fi
 
 ###    use option --disable-leaks to suppress "permanent" leaks, for testing
        fi
 fi
 
 ###    use option --disable-leaks to suppress "permanent" leaks, for testing
-AC_ARG_ENABLE(leaks,
-       [  --disable-leaks         test: suppress permanent memory-leaks],
-       [test $enableval = no && AC_DEFINE(NO_LEAKS)])
-AC_DEFINE(HAVE_NC_ALLOC_H)
+CF_DISABLE_LEAKS
+AC_DEFINE(HAVE_NC_ALLOC_H,1,[Define to 1 if we have nc_alloc.h header])
 
 ###    use option --enable-expanded to generate certain macros as functions
 AC_ARG_ENABLE(expanded,
        [  --enable-expanded       test: generate functions for certain macros],
 
 ###    use option --enable-expanded to generate certain macros as functions
 AC_ARG_ENABLE(expanded,
        [  --enable-expanded       test: generate functions for certain macros],
-       [test $enableval = yes && AC_DEFINE(NCURSES_EXPANDED)])
+       [test "x$enableval" = xyes && AC_DEFINE(NCURSES_EXPANDED,1,[Define to 1 to generate functions for certain macros])])
 
 ###    use option --disable-macros to suppress macros in favor of functions
 AC_ARG_ENABLE(macros,
        [  --disable-macros        test: use functions rather than macros],
 
 ###    use option --disable-macros to suppress macros in favor of functions
 AC_ARG_ENABLE(macros,
        [  --disable-macros        test: use functions rather than macros],
-       [test $enableval = no && AC_DEFINE(NCURSES_NOMACROS)])
+       [test "$enableval" = no && AC_DEFINE(NCURSES_NOMACROS,1,[Define to 1 to use functions rather than macros])])
+
+# Normally we only add trace() to the debug-library.  Allow this to be
+# extended to all models of the ncurses library:
+cf_all_traces=no
+case "$CFLAGS $CPPFLAGS" in
+(*-DTRACE*)
+       cf_all_traces=yes
+       ;;
+esac
+
+AC_MSG_CHECKING(whether to add trace feature to all models)
+AC_ARG_WITH(trace,
+[  --with-trace            test: add trace() function to all models of ncurses],
+[cf_with_trace=$withval],
+[cf_with_trace=$cf_all_traces])
+AC_MSG_RESULT($cf_with_trace)
+
+if test "x$cf_with_trace" = xyes ; then
+       LIB_TRACING=all
+       ADA_TRACE=TRUE
+       CF_ADD_CFLAGS(-DTRACE)
+       AC_DEFINE(HAVE__TRACEF,1,[Define to 1 if we have _tracef function])
+else
+       LIB_TRACING=DEBUG
+       ADA_TRACE=FALSE
+fi
+
+AC_SUBST(ADA_TRACE)
+
+CF_DISABLE_GNAT_PROJECTS
 
 ###    Checks for libraries.
 
 ###    Checks for libraries.
+case $cf_cv_system_name in
+(*mingw32*|*mingw64*)
+       CPPFLAGS="$CPPFLAGS -DWINVER=0x0501 -DWIN32_LEAN_AND_MEAN"
+       # Note: WINVER may be a problem with Windows 10
+       ;;
+(*)
 AC_CHECK_FUNC(gettimeofday,
 AC_CHECK_FUNC(gettimeofday,
-       AC_DEFINE(HAVE_GETTIMEOFDAY),[
+       AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function]),[
+
 AC_CHECK_LIB(bsd, gettimeofday,
 AC_CHECK_LIB(bsd, gettimeofday,
-       AC_DEFINE(HAVE_GETTIMEOFDAY)
-       LIBS="$LIBS -lbsd")])dnl CLIX: bzero, select, gettimeofday
+       AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function])
+       CF_ADD_LIB(bsd))])dnl CLIX: bzero, select, gettimeofday
+       ;;
+esac
+
+CF_MATH_LIB(MATH_LIB,pow(sin(x),x))
+AC_SUBST(MATH_LIB)
 
 ###    Checks for header files.
 AC_STDC_HEADERS
 AC_HEADER_DIRENT
 
 ###    Checks for header files.
 AC_STDC_HEADERS
 AC_HEADER_DIRENT
-NC_REGEX
+AC_HEADER_TIME
+CF_REGEX
 
 dnl These are some other potentially nonportable headers.
 AC_CHECK_HEADERS( \
 fcntl.h \
 getopt.h \
 
 dnl These are some other potentially nonportable headers.
 AC_CHECK_HEADERS( \
 fcntl.h \
 getopt.h \
-libc.h \
 limits.h \
 locale.h \
 limits.h \
 locale.h \
+math.h \
+poll.h \
 sys/bsdtypes.h \
 sys/ioctl.h \
 sys/param.h \
 sys/bsdtypes.h \
 sys/ioctl.h \
 sys/param.h \
-poll.h \
+sys/poll.h \
 sys/select.h \
 sys/select.h \
-sys/stropts.h \
 sys/time.h \
 sys/times.h \
 sys/time.h \
 sys/times.h \
-termio.h \
-termios.h \
 ttyent.h \
 unistd.h \
 ttyent.h \
 unistd.h \
-values.h \
+wctype.h \
 )
 
 )
 
-# check for HPUX's ANSI compiler
-if test $nc_cv_systype = HP_UX; then
-if test -z "$GCC"; then
-       AC_MSG_CHECKING([for HP/UX ANSI compiler])
-       nc_save_CFLAGS="$CFLAGS"
-       CFLAGS="$CFLAGS -Aa"
-       AC_TRY_COMPILE([],[void (*f)(void)=0],[nc_hpux_cc=yes],[nc_hpux_cc=no])
-       AC_MSG_RESULT($nc_hpux_cc)
-       if test $nc_hpux_cc = yes; then
-               AC_DEFINE(_HPUX_SOURCE)
-       else
-               CFLAGS="$nc_save_CFLAGS"
-       fi
-fi;fi
+CF_GETOPT_HEADER
+
+CF_CHECK_ENVIRON(environ)
+CF_CHECK_GETENV
+if test "x$cf_cv_consistent_getenv" = xno && \
+       test "x$cf_with_trace" = xyes
+then
+       AC_MSG_WARN(The NCURSES_TRACE environment variable is not supported with this configuration)
+fi
 
 # check for ISC (this may also define _POSIX_SOURCE)
 # Note: even non-Posix ISC needs <sys/bsdtypes.h> to declare fd_set
 
 # check for ISC (this may also define _POSIX_SOURCE)
 # Note: even non-Posix ISC needs <sys/bsdtypes.h> to declare fd_set
-if test "$ISC" = yes ; then
+if test "x$ISC" = xyes ; then
        AC_CHECK_LIB(cposix,main)
        AC_CHECK_LIB(cposix,main)
-       AC_CHECK_LIB(inet,bzero,LIBS="$LIBS -linet")dnl also 'select()'
-       AC_CHECK_HEADERS( sys/termio.h )
+       AC_CHECK_LIB(inet,bzero,CF_ADD_LIB(inet))dnl also 'select()'
 fi
 
 fi
 
-# check for SCO.  this is a hack, and should be split into individual
-# features -- the sys/time.h and select.h conflict, and the need for
-# ptem.h due to winsize struct.
-AC_CHECKING([for SCO by checking on /usr/bin/scosh])
-AC_PROGRAM_CHECK(COULD_BE_SCO, [scosh], maybe, maybenot)
-if test "$COULD_BE_SCO" = "maybe"
-then
-       AC_DEFINE(SYSTEM_LOOKS_LIKE_SCO)
-fi
+CF_SYS_TIME_SELECT
 
 ###    checks for compiler characteristics
 AC_LANG_C
 AC_C_CONST
 
 ###    checks for compiler characteristics
 AC_LANG_C
 AC_C_CONST
-AC_C_INLINE
-test $ac_cv_c_inline != no && AC_DEFINE(CC_HAS_INLINE_FUNCS)
+CF_C_INLINE(NCURSES_INLINE,1200)
+CF_SIG_ATOMIC_T
+
+if test $NCURSES_CHTYPE = auto ; then
+       CF_TYPEOF_CHTYPE
+else
+       cf_cv_typeof_chtype=$NCURSES_CHTYPE
+fi
+test "$cf_cv_typeof_chtype" = unsigned && cf_cv_typeof_chtype=""
+AC_SUBST(cf_cv_typeof_chtype)
+
+CF_UNSIGNED_LITERALS
+cf_cv_1UL="1"
+test ".$cf_cv_unsigned_literals" = .yes && cf_cv_1UL="${cf_cv_1UL}U"
+test ".$cf_cv_typeof_chtype"    = .long && cf_cv_1UL="${cf_cv_1UL}L"
+AC_SUBST(cf_cv_1UL)
+
+if test $NCURSES_MMASK_T = auto ; then
+       cf_cv_typeof_mmask_t=long
+else
+       cf_cv_typeof_mmask_t=$NCURSES_MMASK_T
+fi
+test "$cf_cv_typeof_mmask_t" = unsigned && cf_cv_typeof_mmask_t=""
+AC_SUBST(cf_cv_typeof_mmask_t)
 
 ###    Checks for external-data
 
 ###    Checks for external-data
-NC_ERRNO
-NC_SYS_ERRLIST
-NC_LINK_DATAONLY
-NC_SPEED_TYPE
+CF_ERRNO
+CF_LINK_DATAONLY
 
 ###    Checks for library functions.
 AC_CHECK_FUNCS( \
 
 ###    Checks for library functions.
 AC_CHECK_FUNCS( \
+getcwd \
+getegid \
+geteuid \
+getopt \
 getttynam \
 getttynam \
-memccpy \
+issetugid \
+localeconv \
 poll \
 poll \
+putenv \
+remove \
 select \
 setbuf \
 setbuffer \
 select \
 setbuf \
 setbuffer \
+setenv \
 setvbuf \
 sigaction \
 sigvec \
 strdup \
 setvbuf \
 sigaction \
 sigvec \
 strdup \
-tcgetattr \
+strstr \
+sysconf \
+tcgetpgrp \
 times \
 times \
-usleep \
-vfscanf \
-vsscanf \
+tsearch \
+vsnprintf \
 )
 
 )
 
-if test $ac_cv_func_sigaction = yes; then
-AC_MSG_CHECKING(whether sigaction needs _POSIX_SOURCE)
-AC_TRY_COMPILE([#include <sys/types.h>
-#include <signal.h>], [struct sigaction act;],
-  sigact_bad=no, sigact_bad=yes AC_DEFINE(SVR4_ACTION))
-AC_MSG_RESULT($sigact_bad)
+if test "x$ac_cv_func_getopt" = xno && \
+   test "x$cf_with_progs$cf_with_tests" != xnono; then
+       AC_MSG_ERROR(getopt is required for building programs)
 fi
 
 fi
 
-# some machines require _POSIX_SOURCE to completely define struct termios
-if test $ac_cv_header_termios_h = yes ; then
-       case "$CFLAGS" in
-       *-D_POSIX_SOURCE*)
-               termios_bad=dunno ;;
-       *)      termios_bad=maybe ;;
-       esac
-       if test $termios_bad = maybe ; then
-       AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
-       AC_TRY_COMPILE([#include <termios.h>],
-               [struct termios foo; int x = foo.c_iflag],
-               termios_bad=no, [
-               AC_TRY_COMPILE([
-#define _POSIX_SOURCE
-#include <termios.h>],
-                       [struct termios foo; int x = foo.c_iflag],
-                       termios_bad=unknown,
-                       termios_bad=yes AC_DEFINE(SVR4_TERMIO))
-                       ])
-       AC_MSG_RESULT($termios_bad)
+if test "x$with_safe_sprintf" = xyes
+then
+       if test "x$ac_cv_func_vsnprintf" = xyes
+       then
+               AC_MSG_WARN(will use vsnprintf instead of safe-sprintf option)
+       else
+               AC_DEFINE(USE_SAFE_SPRINTF,1,[Define to 1 to compile with experimental safe-sprintf code])
        fi
 fi
 
        fi
 fi
 
+if test "x$with_getcap" = "xyes" ; then
+       CF_CGETENT
+fi
+
+CF_ISASCII
+CF_STRUCT_SIGACTION
+CF_FUNC_NANOSLEEP
+CF_FUNC_TERMIOS
+CF_FUNC_VSSCANF
+CF_MKSTEMP
+
+# setup for prototype of fallback for vsscanf()
+CF_SUBST_IF(["$cf_cv_func_vsscanf" = vsscanf], HAVE_VSSCANF, 1, 0)
+
 dnl FIXME (may need this) AC_SYS_RESTARTABLE_SYSCALLS
 dnl FIXME (may need this) AC_SYS_RESTARTABLE_SYSCALLS
-if test "$cross_compiling" = yes ; then
+if test "x$cross_compiling" = xyes ; then
        AC_MSG_WARN(cross compiling: assume setvbuf params not reversed)
 else
        AC_FUNC_SETVBUF_REVERSED
 fi
        AC_MSG_WARN(cross compiling: assume setvbuf params not reversed)
 else
        AC_FUNC_SETVBUF_REVERSED
 fi
-AC_TYPE_SIGNAL
-NC_TYPE_SIGACTION
-NC_TIOCGWINSZ
+AC_CHECK_TYPE(intptr_t, long)
+AC_CHECK_TYPE(ssize_t, int)
+CF_TYPE_SIGACTION
+CF_SIZECHANGE
+CF_FUNC_MEMMOVE
+CF_FUNC_POLL
+CF_VA_COPY
+AC_FUNC_VFORK
+CF_FOPEN_BIN_R
+
+# special check for test/ditto.c
+CF_FUNC_OPENPTY
+if test "$cf_cv_func_openpty" != no ; then
+       AC_DEFINE_UNQUOTED(USE_OPENPTY_HEADER,<$cf_cv_func_openpty>,[Define to actual header for openpty function])
+       AC_DEFINE(USE_XTERM_PTY,1,[Define to 1 if we should assume xterm pseudoterminal interface])
+       if test "x$cf_cv_lib_util" = xyes ; then
+               CF_ADD_LIB(util,TEST_LIBS)
+       fi
+fi
+AC_SUBST(TEST_LIBS)
+AC_SUBST(TEST_LIBS2)
 
 
-dnl FIXME checks we don't do (but neither does the old Configure script):
-case "$nc_cv_systype" in
-Linux)
-       AC_DEFINE(GOOD_SELECT)
-       ;;
-esac
+if test "$with_hashed_db" != no ; then
+       AC_DEFINE(USE_HASHED_DB,1,[Define to 1 if we should build terminfo in hashed database])
+       CF_HASHED_DB($with_hashed_db)
+fi
 
 dnl We'll do our own -g libraries, unless the user's overridden via $CFLAGS
 
 dnl We'll do our own -g libraries, unless the user's overridden via $CFLAGS
-if test -z "$nc_user_CFLAGS" ; then
-       NC_STRIP_G_OPT(CFLAGS)
-       NC_STRIP_G_OPT(CXXFLAGS)
+if test -z "$cf_user_CFLAGS" && test "$with_no_leaks" = no ; then
+       CF_STRIP_G_OPT(CFLAGS)
+       CF_STRIP_G_OPT(CXXFLAGS)
 fi
 
 fi
 
-dnl Check for C++ compiler characteristics (and ensure that it's there!)
+# Just in case, check if the C compiler has a bool type.
+CF_BOOL_DECL(cf_cv_cc_bool_type)
+
+# Check for C++ compiler characteristics (and ensure that it's there!)
 if test -n "$CXX" ; then
 if test -n "$CXX" ; then
-       AC_CHECK_PROG(CXX_EXISTS, $CXX, yes, no)
-else
-       ac_cv_prog_CXX_EXISTS=no
-fi
-if test "$ac_cv_prog_CXX_EXISTS" = yes; then
        AC_LANG_CPLUSPLUS
        AC_LANG_CPLUSPLUS
-       NC_CXX_LIBRARY
-       AC_CHECK_HEADERS(builtin.h typeinfo)
-       NC_BOOL_DECL
-       NC_BOOL_SIZE
+       CF_STDCPP_LIBRARY
+       CF_PROG_CC_C_O(CXX,[$CXXFLAGS $CPPFLAGS])
+
+       case $GXX_VERSION in
+       (1*|2.[0-6]*)
+               cf_cxx_library=yes
+               ;;
+       (*-2.7*|2.7*)
+               CF_GPP_LIBRARY
+               ;;
+       (*)
+               cf_cxx_library=no
+               ;;
+       esac
+
+       AC_CHECK_HEADERS(typeinfo)
+       CF_CXX_IOSTREAM_NAMESPACE
+       CF_BOOL_DECL
+       CF_BOOL_SIZE
+       CF_ETIP_DEFINES
+       CF_CPP_PARAM_INIT
+       CF_CPP_STATIC_CAST
+       CF_CXX_AR_FLAGS
 else
 else
-       nc_cxx_library=no
-       AC_CACHE_VAL(nc_cv_builtin_bool,[nc_cv_builtin_bool=0])
-       AC_CACHE_VAL(nc_cv_sizeof_bool,[nc_cv_sizeof_bool=int])
+       cf_cxx_library=no
+       cf_cv_builtin_bool=1
+
+       # Just because we are not configuring against C++ right now does not
+       # mean that a user will not want to use C++.  Some distributors disable
+       # the C++ portion of this configuration as a shortcut (or just to avoid
+       # compiling the demo in the c++ directory).  So we need a reasonable
+       # default for the 'bool' type.
+       #
+       # Caveat: since the storage of the bool type is not standardized, it
+       # may change.
+
+       if test "$NCURSES_BOOL" != auto ; then
+               cf_cv_type_of_bool=$NCURSES_BOOL
+               cf_cv_header_stdbool_h=0
+       else
+               if test "$cf_cv_header_stdbool_h" = 1 ; then
+                       CF_BOOL_SIZE
+               else
+                       AC_MSG_CHECKING(for fallback type of bool)
+                       case "$host_cpu" in
+                       (i?86)  cf_cv_type_of_bool=char ;;
+                       (*)     cf_cv_type_of_bool=int  ;;
+                       esac
+                       AC_MSG_RESULT($cf_cv_type_of_bool)
+               fi
+       fi
 fi
 AC_SUBST(CXXLIBS)
 
 fi
 AC_SUBST(CXXLIBS)
 
+# If the C compiler did not declare bool, and we did not determine that the C++
+# compiler does not declare bool, turn on an ifdef in curses.h that makes the
+# ncurses library use the same type as C++ bool.  Note that this allows one to
+# specify the type of bool in a configure-script option and postpone
+# integration with the C++ compiler provided that the types are compatible.
+USE_CXX_BOOL=1
+if test $cf_cv_cc_bool_type = 1
+then
+       # oops: C has a bool.  Unlikely, but C++ could differ.
+       USE_CXX_BOOL=0
+elif test $cf_cv_builtin_bool = 0
+then
+       # C++ has no bool
+       USE_CXX_BOOL=0
+else
+       # this is the normal case
+       USE_CXX_BOOL='defined(__cplusplus)'
+fi
+AC_SUBST(USE_CXX_BOOL)
+
+CF_HELP_MESSAGE(Ada Binding Options:)
+
+dnl If the Ada95 source-tree is present, add that to the build unless it will
+dnl not work, or was not requested.
+if test -f "${srcdir}/Ada95/Makefile.in" ; then
+
+dnl libtool does not know anything about GNAT, though a change made in 1998
+dnl provided for it "someday".  Disable the ada subtree if we are using
+dnl libtool -TD 20070714
+       if test "$cf_with_ada" != "no" ; then
+               if test "$with_libtool" != "no"; then
+                       AC_MSG_WARN(libtool does not support Ada - disabling feature)
+                       cf_with_ada=no
+               fi
+       fi
+
 dnl Check for availability of GNU Ada Translator (GNAT).
 dnl Check for availability of GNU Ada Translator (GNAT).
-dnl At the moment we support no other Ada95 compiler.
-nc_ada_make=gnatmake
-AC_CHECK_PROG(gnat_exists, $nc_ada_make, yes, no)
-if test "$ac_cv_prog_gnat_exists" = no; then
-   nc_ada_make=
-else
-   NC_GNAT_VERSION
-   AC_CHECK_PROG(m4_exists, m4, yes, no)
-   if test "$ac_cv_prog_m4_exists" = no; then
-      ac_cv_prog_gnat_correct=no
-      echo Ada95 binding required program m4 not found. Ada95 binding disabled.
-   fi
-fi
-if test        "$ac_cv_prog_gnat_correct" = yes; then
-   nc_ada_compiler=gcc
-   nc_ada_package=terminal_interface
-   AC_SUBST(nc_ada_make)
-   AC_SUBST(nc_ada_compiler)
-   AC_SUBST(nc_ada_package)
-   AC_SUBST(ADAFLAGS)
-fi
-
-### It's not possible to appease gcc 2.6.3's conversion-warnings if we're
-### using a 'char' for bools.  gcc 2.7.0's conversion-warnings are broken too
-### badly to consider using for development purposes, but 2.5.8 is okay.
-if test -n "$with_warnings"; then
-       if test -n "$GCC"; then
-               case "`$CC --version`" in
-               2.6.3)
-                       if test "$nc_cv_sizeof_bool" != "char"; then
-                               nc_warn_CFLAGS="$nc_warn_CFLAGS -Wconversion"
-                       fi
-                       ;;
-               2.5*)
-                       nc_warn_CFLAGS="$nc_warn_CFLAGS -Wconversion"
-                       ;;
-               esac
+dnl At the moment we support no other Ada compiler.
+       if test "$cf_with_ada" != "no" ; then
+               CF_PROG_GNAT
+               if test "x$cf_cv_prog_gnat_correct" = xyes; then
+                       CF_ADD_ADAFLAGS(-gnatpn)
+                       CF_FIXUP_ADAFLAGS
+
+                       CF_GNATPREP_OPT_T
+
+                       CF_GNAT_GENERICS
+                       CF_GNAT_SIGINT
+                       CF_GNAT_PROJECTS
+
+                       CF_WITH_ADA_COMPILER
+
+                       cf_ada_package=terminal_interface
+                       AC_SUBST(cf_ada_package)
+
+                       CF_WITH_ADA_INCLUDE
+                       CF_WITH_ADA_OBJECTS
+                       CF_WITH_ADA_SHAREDLIB
+
+                       # allow the Ada binding to be renamed
+                       CF_WITH_ADA_LIBNAME(AdaCurses)
+               fi
+       fi
+else
+       cf_with_ada=no
+fi
+
+# do this "late" to avoid conflict with header-checks
+if test "x$with_widec" = xyes ; then
+       AC_CHECK_SIZEOF(wchar_t)
+       # cross-compiling to mingw can run into the problem that attempting to
+       # link with the regex library fails, causing the test to not set this to
+       # a number.  "recent" autoconf does not address this problem either -TD
+       if test -z "$ac_cv_sizeof_wchar_t"
+       then
+               CF_VERBOSE(test failed (assume 2))
+               sed /SIZEOF_WCHAR_T/d confdefs.h >confdefs.tmp
+               mv confdefs.tmp confdefs.h
+               echo "#define SIZEOF_WCHAR_T 2" >>confdefs.h
+       fi
+fi
+
+### Construct the ncurses library-subsets, if any, from this set of keywords:
+###    none, base, ext_funcs, ext_tinfo, ticlib, termlib, widechar
+###
+### ticlib modules may be a separate library, otherwise contained in termlib.
+### termlib modules may be a separate library, otherwise contained in ncurses.
+###
+### The of "+" or " " between the tokens controls the way the script
+### chooses to split module lists into libraries.
+###
+### (see CF_LIB_RULES).
+AC_MSG_CHECKING(for library subsets)
+LIB_SUBSETS=
+
+if test "x$cf_with_progs" = xyes || test "$with_ticlib" != no || test "$with_termcap" != no; then
+       LIB_SUBSETS="${LIB_SUBSETS}ticlib"
+       if test "$with_ticlib" != no ; then
+               LIB_SUBSETS="${LIB_SUBSETS} "
+       else
+               LIB_SUBSETS="${LIB_SUBSETS}+"
        fi
 fi
 
        fi
 fi
 
+LIB_SUBSETS="${LIB_SUBSETS}termlib"
+test "x$with_ext_funcs" = xyes && LIB_SUBSETS="${LIB_SUBSETS}+ext_tinfo"
+
+if test "$with_termlib" != no ; then
+       LIB_SUBSETS="${LIB_SUBSETS} "
+else
+       LIB_SUBSETS="${LIB_SUBSETS}+"
+fi
+
+LIB_SUBSETS="${LIB_SUBSETS}base"
+
+# Most term-driver calls are to tinfo, but some like init_pair are to the
+# base library (so it resides in base).
+if test "$with_term_driver" != no ; then
+       LIB_SUBSETS="${LIB_SUBSETS}+port_drivers"
+       case $cf_cv_system_name in
+       (*mingw32*|*mingw64*)
+               LIB_SUBSETS="${LIB_SUBSETS}+port_tinfo+port_win32con"
+               CPPFLAGS="$CPPFLAGS -DUSE_WIN32CON_DRIVER"
+               ;;
+       (*)
+               LIB_SUBSETS="${LIB_SUBSETS}+port_tinfo"
+               ;;
+       esac
+fi
+
+test "x$with_widec"     = xyes && LIB_SUBSETS="${LIB_SUBSETS}+widechar"
+test "x$with_ext_funcs" = xyes && LIB_SUBSETS="${LIB_SUBSETS}+ext_funcs"
+
+AC_MSG_RESULT($LIB_SUBSETS)
+
 ### Construct the list of include-directories to be generated
 ### Construct the list of include-directories to be generated
-NC_INCLUDE_DIRS
-NC_ADA_INCLUDE_DIRS
+CF_INCLUDE_DIRS
+CF_ADA_INCLUDE_DIRS
+
+### Build up pieces for makefile rules
+AC_MSG_CHECKING(default library suffix)
+CF_LIB_TYPE($DFT_LWR_MODEL,DFT_ARG_SUFFIX)dnl
+AC_SUBST(DFT_ARG_SUFFIX)dnl the string to append to "-lncurses" ("")
+AC_MSG_RESULT($DFT_ARG_SUFFIX)
+
+AC_MSG_CHECKING(default library-dependency suffix)
+CF_LIB_SUFFIX($DFT_LWR_MODEL,DFT_LIB_SUFFIX,DFT_DEP_SUFFIX)dnl
+AC_SUBST(DFT_DEP_SUFFIX)dnl the corresponding library-suffix (".a")
+AC_MSG_RESULT($DFT_DEP_SUFFIX)
+
+AC_MSG_CHECKING(default object directory)
+CF_OBJ_SUBDIR($DFT_LWR_MODEL,DFT_OBJ_SUBDIR)dnl
+AC_SUBST(DFT_OBJ_SUBDIR)dnl the default object-directory ("obj")
+AC_MSG_RESULT($DFT_OBJ_SUBDIR)
+
+if test "x$cf_with_cxx" = xyes ; then
+AC_MSG_CHECKING(c++ library-dependency suffix)
+if test "$with_libtool" != "no"; then
+       # libtool thinks it can make c++ shared libraries (perhaps only g++)
+       CXX_LIB_SUFFIX=$DFT_DEP_SUFFIX
+elif test "$with_shared_cxx" != "no"; then
+       # also for g++ users...
+       CXX_LIB_SUFFIX=$DFT_DEP_SUFFIX
+else
+       # we normally make a static library because C/C++ library rules differ
+       CF_LIB_SUFFIX(normal,CXX_LIB_SUFFIX,CXX_DEP_SUFFIX)
+fi
+AC_MSG_RESULT($CXX_LIB_SUFFIX)
+AC_SUBST(CXX_LIB_SUFFIX)
+fi
+
+# do not want -ldl in build except as needed for -lncurses dependency
+if test "x$with_dlsym" = xyes ; then
+if test $DFT_LWR_MODEL = shared || \
+   test $DFT_LWR_MODEL = libtool ; then
+       CF_REMOVE_LIB(LIBS,$LIBS,dl)
+fi
+fi
+### Set up low-level terminfo dependencies for makefiles.
+
+# TICS_LIST and TINFO_LIST are needed to build libtic.so and libterm.so, but
+# do not need libdl
+TICS_LIST=
+if test "x$with_dlsym" = xyes ; then
+       CF_REMOVE_LIB(TINFO_LIST,$SHLIB_LIST,dl)
+fi
+
+USE_ARG_SUFFIX="${DFT_ARG_SUFFIX}${EXTRA_SUFFIX}"
+USE_LIB_SUFFIX="${LIB_SUFFIX}${EXTRA_SUFFIX}"
+USE_CFG_SUFFIX=${DFT_ARG_SUFFIX}${cf_cv_abi_version}
+if test -n "$EXTRA_SUFFIX" && test "x$EXTRA_SUFFIX" != "x${cf_cv_abi_version}"
+then
+       USE_CFG_SUFFIX="${USE_CFG_SUFFIX}${EXTRA_SUFFIX}"
+fi
+AC_SUBST(USE_ARG_SUFFIX)
+AC_SUBST(USE_CFG_SUFFIX)
+AC_SUBST(USE_LIB_SUFFIX)
+
+if test "$with_ticlib" != no ; then
+
+       if test "x$with_ticlib" != xyes ; then
+               TICS_NAME=$with_ticlib
+               TICS_SUFFIX="`echo ${DFT_LIB_SUFFIX}|sed -e "s/^${USE_LIB_SUFFIX}//"`"
+               TICS_ARG_SUFFIX="${with_ticlib}`echo ${USE_ARG_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`"
+               TICS_DEP_SUFFIX="${with_ticlib}`echo ${DFT_DEP_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`"
+               TICS_LIB_SUFFIX="${with_ticlib}"
+       else
+               TICS_SUFFIX=${DFT_LIB_SUFFIX}
+               TICS_ARG_SUFFIX="${TICS_NAME}${USE_ARG_SUFFIX}"
+               TICS_DEP_SUFFIX="${TICS_NAME}${DFT_DEP_SUFFIX}"
+               TICS_LIB_SUFFIX="${TICS_NAME}${USE_LIB_SUFFIX}"
+       fi
+       TICS_LDFLAGS="-L${LIB_DIR}"
+       TICS_LIBS="-l${TICS_ARG_SUFFIX}"
+else
+       TICS_SUFFIX=${DFT_LIB_SUFFIX}
+       TICS_LDFLAGS="-L${LIB_DIR}"
+       TICS_LIBS="-l${LIB_NAME}${USE_ARG_SUFFIX}"
+fi
+AC_SUBST(TICS_ARG_SUFFIX)
+AC_SUBST(TICS_DEP_SUFFIX)
+AC_SUBST(TICS_LIB_SUFFIX)
+AC_SUBST(TICS_LDFLAGS)
+AC_SUBST(TICS_LIBS)
+
+if test "$with_termlib" != no ; then
+
+       if test "x$with_termlib" != xyes ; then
+               TINFO_NAME=$with_termlib
+               TINFO_SUFFIX="`echo ${DFT_LIB_SUFFIX}|sed -e "s/^${USE_LIB_SUFFIX}//"`"
+               TINFO_ARG_SUFFIX="${with_termlib}`echo ${USE_ARG_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`"
+               TINFO_DEP_SUFFIX="${with_termlib}`echo ${DFT_DEP_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`"
+               TINFO_LIB_SUFFIX="${with_termlib}"
+       else
+               TINFO_SUFFIX=${DFT_LIB_SUFFIX}
+               TINFO_ARG_SUFFIX="${TINFO_NAME}${USE_ARG_SUFFIX}"
+               TINFO_DEP_SUFFIX="${TINFO_NAME}${DFT_DEP_SUFFIX}"
+               TINFO_LIB_SUFFIX="${TINFO_NAME}${USE_LIB_SUFFIX}"
+       fi
+
+       TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${TINFO_DEP_SUFFIX}"
+       TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${TINFO_DEP_SUFFIX}"
+       if test "$DFT_LWR_MODEL" = "libtool"; then
+               TEST_ARGS="${TEST_DEPS}"
+               TEST_ARG2="${TEST_DEP2}"
+               TINFO_LDFLAGS="-L${LIB_DIR}"
+               TINFO_LIBS="$TEST_ARGS"
+               TICS_LIST="$SHLIB_LIST $TEST_ARGS"
+               SHLIB_LIST="${SHLIB_LIST} $TEST_ARGS"
+       else
+               TEST_ARGS="-l${TINFO_ARG_SUFFIX}"
+               TEST_ARG2="-l${TINFO_ARG_SUFFIX}"
+               if test "x$with_term_driver" != xno ; then
+                       TICS_LIST="$SHLIB_LIST -l${LIB_NAME}${USE_ARG_SUFFIX}"
+                       TICS_LIBS="$TICS_LIBS -l${LIB_NAME}${USE_ARG_SUFFIX}"
+                       TINFO_LIBS="-l${LIB_NAME}${USE_ARG_SUFFIX} $TEST_ARGS"
+               else
+                       TICS_LIST="$SHLIB_LIST -l${TINFO_LIB_SUFFIX}"
+                       TINFO_LIBS="$TEST_ARGS"
+               fi
+               TINFO_LDFLAGS="-L${LIB_DIR}"
+               SHLIB_LIST="$SHLIB_LIST -l${TINFO_LIB_SUFFIX}"
+       fi
+else
+       # the next lines are needed for linking libtic over libncurses
+       TINFO_NAME=${LIB_NAME}
+       TINFO_SUFFIX=${DFT_LIB_SUFFIX}
+       TINFO_ARG_SUFFIX=${LIB_NAME}${USE_ARG_SUFFIX}
+       if test "x$with_tic_depends" = xyes ; then
+               TICS_LIST="$SHLIB_LIST -l${LIB_NAME}${USE_ARG_SUFFIX}"
+       else
+               TICS_LIST="$SHLIB_LIST"
+       fi
+
+       TINFO_LDFLAGS="-L${LIB_DIR}"
+       TINFO_LIBS="-l${LIB_NAME}${USE_ARG_SUFFIX}"
+fi
+
+if test "$DFT_LWR_MODEL" = shared ; then
+       case $cf_cv_system_name in
+       (cygwin*|msys*)
+               # "lib" files have ".dll.a" suffix, "cyg"or "msys-" files have ".dll"
+               TINFO_SUFFIX=.dll
+               ;;
+       esac
+fi
+
+AC_SUBST(TINFO_ARG_SUFFIX)
+AC_SUBST(TINFO_DEP_SUFFIX)
+AC_SUBST(TINFO_LIB_SUFFIX)
+AC_SUBST(TINFO_LDFLAGS)
+AC_SUBST(TINFO_LIBS)
+
+if test "x$with_dlsym" = xyes ; then
+       CF_REMOVE_LIB(TICS_LIST,$TICS_LIST,dl)
+fi
+
+if test "$DFT_LWR_MODEL" = "libtool"; then
+       OBJEXT=lo
+fi
+
+# needed for Ada95
+TINFO_LDFLAGS2=`echo "$TINFO_LDFLAGS" | sed -e 's,-L\.\./,-L../../,'`
+AC_SUBST(TINFO_LDFLAGS2)
+
+case $DFT_LWR_MODEL in
+(normal|debug|profile)
+       CF_LDFLAGS_STATIC
+       ;;
+esac
+
+AC_MSG_CHECKING(where we will install curses.h)
+AC_SUBST(includesubdir)
+includesubdir=
+if test "$with_overwrite" = no && \
+ ( test "x$includedir" = 'x${prefix}/include' || \
+   test "x$includedir" = "x${prefix}/include" )
+then
+       includesubdir="/ncurses${USE_LIB_SUFFIX}"
+fi
+AC_MSG_RESULT(${includedir}${includesubdir})
+
+### Resolve a conflict between normal and wide-curses by forcing applications
+### that will need libutf8 to add it to their configure script.
+if test "$with_overwrite" != no ; then
+if test "$NCURSES_LIBUTF8" = 1 ; then
+       NCURSES_LIBUTF8='defined(HAVE_LIBUTF8_H)'
+       AC_MSG_WARN(Wide-character applications must define HAVE_LIBUTF8_H to include curses.h)
+fi
+fi
+WITH_OVERWRITE=$with_overwrite
+
+AC_SUBST(WITH_OVERWRITE)
+AC_SUBST(TICS_LIST)
+AC_SUBST(TINFO_LIST)
+AC_SUBST(SHLIB_LIST)
+
+# used to separate tack out of the tree
+NCURSES_TREE=
+AC_SUBST(NCURSES_TREE)
+
+### predefined stuff for the test programs
+AC_DEFINE(HAVE_SLK_COLOR,1,[Define to 1 if we have slk_color for test-programs])
+
+# pkgsrc uses these
+CF_WITH_LIB_BASENAME(FORM_NAME,form)
+CF_WITH_LIB_BASENAME(MENU_NAME,menu)
+CF_WITH_LIB_BASENAME(PANEL_NAME,panel)
+CF_WITH_LIB_BASENAME(CXX_NAME,cxx,ncurses++)
 
 ### Construct the list of subdirectories for which we'll customize makefiles
 ### with the appropriate compile-rules.
 
 ### Construct the list of subdirectories for which we'll customize makefiles
 ### with the appropriate compile-rules.
-NC_SRC_MODULES(ncurses progs panel menu form)
-NC_DIRS_TO_MAKE
+
+CF_SRC_MODULES($modules_to_build)
+
+if test "x$cf_with_ada" = "xyes" && test "x$cf_cv_prog_gnat_correct" = "xyes"; then
+   SUB_MAKEFILES="$SUB_MAKEFILES Ada95/src/library.gpr:Ada95/src/library.gpr.in"
+   SUB_MAKEFILES="$SUB_MAKEFILES Ada95/gen/adacurses${USE_CFG_SUFFIX}-config:Ada95/gen/adacurses-config.in"
+   SUB_MAKEFILES="$SUB_MAKEFILES man/adacurses${USE_CFG_SUFFIX}-config.1:man/MKada_config.in"
+fi
+
+CF_DIRS_TO_MAKE
+
+# symbols that differ when compiling Ada95 by itself.
+NCURSES_SHLIB2=$SHELL' $(top_srcdir)/misc/shlib'
+AC_SUBST(NCURSES_SHLIB2)
+
+# values to use as strings
+AC_DEFINE_UNQUOTED(NCURSES_PATHSEP,'$PATH_SEPARATOR',[Define to override ':' as library path-separator])
+
+AC_DEFINE_UNQUOTED(NCURSES_VERSION_STRING, "${NCURSES_MAJOR}.${NCURSES_MINOR}.${NCURSES_PATCH}",[Define to 1 if machine has ample memory for tic])
 
 ### Now that we're done running tests, add the compiler-warnings, if any
 
 ### Now that we're done running tests, add the compiler-warnings, if any
-CFLAGS="$CFLAGS $nc_warn_CFLAGS"
+CF_ADD_CFLAGS($EXTRA_CFLAGS)
+
+### Define substitutions for header files to avoid name-pollution
+CF_SUBST_IF(["x$cf_cv_have_tcgetattr" = xyes], HAVE_TCGETATTR, 1, 0)
+CF_SUBST_IF(["x$ac_cv_header_stdint_h" = xyes], HAVE_STDINT_H, 1, 0)
+CF_SUBST_IF(["x$ac_cv_header_termio_h" = xyes], HAVE_TERMIO_H, 1, 0)
+CF_SUBST_IF(["x$ac_cv_header_termios_h" = xyes], HAVE_TERMIOS_H, 1, 0)
 
 ################################################################################
 
 ################################################################################
-changequote({,})dnl
-AC_OUTPUT(include/config_h \
+test "x$use_database" = xyes && \
+SUB_MAKEFILES="$SUB_MAKEFILES misc/run_tic.sh:misc/run_tic.in"
+
+SUB_MAKEFILES="$SUB_MAKEFILES misc/ncurses-config:misc/ncurses-config.in"
+SUB_MAKEFILES="$SUB_MAKEFILES man/ncurses${USE_CFG_SUFFIX}-config.1:man/MKncu_config.in"
+
+if test "x$enable_pc_files" = xyes && test -z "$MAKE_PC_FILES" ; then
+SUB_MAKEFILES="$SUB_MAKEFILES misc/gen-pkgconfig:misc/gen-pkgconfig.in"
+fi
+AC_SUBST(cross_compiling)
+
+if test "x$cf_with_tests" != xno ; then
+       MAKE_TESTS=
+else
+       MAKE_TESTS="#"
+fi
+AC_SUBST(MAKE_TESTS)
+
+ADAHTML_DIR=../../doc/html/ada
+AC_SUBST(ADAHTML_DIR)
+
+# workaround for OS/2 (20151017)
+case $cf_cv_system_name in
+(os2*)
+       LIBTOOL_OPTS_CXX="-os2dllname ncurs++"
+       ;;
+(*)
+       LIBTOOL_OPTS_CXX=
+       ;;
+esac
+AC_SUBST(LIBTOOL_OPTS_CXX)
+
+# workaround for g++ versus Solaris (20131116)
+case $cf_cv_system_name in
+(solaris2*)
+       case "x$CPPFLAGS" in
+       (*-D_XOPEN_SOURCE_EXTENDED*)
+               CF_VERBOSE(moving _XOPEN_SOURCE_EXTENDED to work around g++ problem)
+               CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED"
+               CPPFLAGS=`echo "x$CPPFLAGS" | sed -e  's/^.//' -e 's/-D_XOPEN_SOURCE_EXTENDED//'`
+               ;;
+       esac
+       ;;
+esac
+
+# Help to automatically enable the extended curses features when using either
+# the *-config or the ".pc" files by adding defines.
+AC_MSG_CHECKING(for defines to add to ncurses${USE_CFG_SUFFIX}-config script)
+PKG_CFLAGS=
+for cf_loop1 in $CPPFLAGS_after_XOPEN
+do
+       cf_found=no
+       for cf_loop2 in $CPPFLAGS_before_XOPEN
+       do
+               if test "x$cf_loop1" = "x$cf_loop2"
+               then
+                       cf_found=yes
+                       break
+               fi
+       done
+       test "$cf_found" = no && PKG_CFLAGS="$PKG_CFLAGS $cf_loop1"
+done
+AC_MSG_RESULT($PKG_CFLAGS)
+AC_SUBST(PKG_CFLAGS)
+
+# AC_CHECK_SIZEOF demands a literal parameter, no variables.  So we do this.
+case "x$NCURSES_OSPEED" in
+(*short*)
+       cf_compatible=1
+       ;;
+(*)
+       cf_compatible=0
+       ;;
+esac
+AC_DEFINE_UNQUOTED(NCURSES_OSPEED_COMPAT,$cf_compatible,[Define to 1 if termcap variable ospeed is short])
+
+case "x$cf_cv_typeof_chtype" in
+(xshort|xint|xlong)
+       cf_cv_typeof_chtype="unsigned $cf_cv_typeof_chtype"
+       ;;
+esac
+
+case "x$cf_cv_typeof_mmask_t" in
+(xshort|xint|xlong)
+       cf_cv_typeof_mmask_t="unsigned $cf_cv_typeof_mmask_t"
+       ;;
+esac
+
+# substitute into misc/Makefile to suppress
+# (un)install.data from the
+# (un)install rules.
+if test "x$cf_with_db_install" = "xno"; then
+       MISC_INSTALL_DATA=
+       MISC_UNINSTALL_DATA=
+else
+       MISC_INSTALL_DATA=install.data
+       MISC_UNINSTALL_DATA=uninstall.data
+fi
+AC_SUBST(MISC_INSTALL_DATA)
+AC_SUBST(MISC_UNINSTALL_DATA)
+
+if test "x$cf_with_db_install" = "xno" || test "x$TERMINFO_SRC" = "xno"; then
+       MAKE_DATABASE="#"
+else
+       MAKE_DATABASE="$MAKE_TERMINFO"
+fi
+AC_SUBST(MAKE_DATABASE)
+
+dnl Override the package used for exported symbols
+if test -n "$PACKAGE"
+then
+       PACKAGE="${PACKAGE}${DFT_ARG_SUFFIX}"
+       export PACKAGE
+       echo "package: $PACKAGE"
+fi
+
+UNALTERED_SYMS=
+cf_filter_syms=no
+
+if test -n "$RESULTING_SYMS"
+then
+       cf_filter_syms=$cf_dft_filter_syms
+       CF_VERBOSE(will map symbols to ABI=$cf_cv_abi_version)
+fi
+
+if test "x$WILDCARD_SYMS" = xno
+then
+       cf_filter_syms=yes
+fi
+
+test "x$cf_with_trace" = xyes && NCURSES_INLINE=
+
+UNALTERED_SYMS=`echo "$RESULTING_SYMS" | sed -e 's/\\$/\\\\$/g'`
+if test $cf_filter_syms = yes
+then
+       RESULTING_SYMS=resulting.map
+fi
+AC_SUBST(UNALTERED_SYMS)
+
+if test "x$cross_compiling" = xyes ; then
+       ADAGEN_LDFLAGS='$(CROSS_LDFLAGS)'
+       CHECK_BUILD="#"
+else
+       ADAGEN_LDFLAGS='$(NATIVE_LDFLAGS)'
+       CHECK_BUILD=
+fi
+AC_SUBST(ADAGEN_LDFLAGS)
+AC_SUBST(CHECK_BUILD)
+AC_SUBST(PRIVATE_LIBS)
+
+# This is used for the *-config script and *.pc data files.
+CF_LD_SEARCHPATH
+
+AC_DEFINE(HAVE_CURSES_DATA_BOOLNAMES,1,[definition needed for in-tree build of tack])
+
+AC_OUTPUT( \
        include/MKterm.h.awk \
        include/MKterm.h.awk \
-       include/curses.h \
+       include/curses.head:include/curses.h.in \
+       include/ncurses_dll.h \
        include/termcap.h \
        include/unctrl.h \
        $SUB_MAKEFILES \
        include/termcap.h \
        include/unctrl.h \
        $SUB_MAKEFILES \
-       Makefile,{
-
-NC_LIB_RULES
-
-### Special editing.  We generate ncurses_cfg.h directly to allow all filenames
-### to be MSDOS-compatible, as well as to make the list of definitions be
-### dynamically determined by the configuration script -- a consideration when
-### doing type-clean development testing.
-
-echo creating include/ncurses_cfg.h
-rm -f include/ncurses_cfg.h
-echo "/* generated by configure-script
- * On host: $SYS_NAME
- */
-#ifndef NC_CONFIG_H
-#define NC_CONFIG_H" >include/ncurses_cfg.h
-sed    -e '/^ -D/!d' \
-       -e 's/ -D/\
-#define /g' \
-       -e 's/\(#define [A-Za-z_][A-Za-z0-9_]*\)=/\1    /g' \
-       -e 's/\\//g' \
-       include/config_h | sort >>include/ncurses_cfg.h
-echo "
-       /* The C compiler may not treat these properly, but C++ has to */
-#ifdef __cplusplus
-#undef const
-#undef inline
-#else
-#if defined(lint) || defined(TRACE)
-#undef inline
-#define inline /* nothing */
-#endif
-#endif
-
-#endif /* NC_CONFIG_H */" >> include/ncurses_cfg.h
-echo removing include/config_h
-rm include/config_h
-},{
+       Makefile,[
+if test "x$cf_with_tests" != xno ; then
+       CF_PRG_RULES([$srcdir/test/mk-test.awk INSTALL=no ECHO_LINK="$ECHO_LD"], test)
+fi
+CF_LIB_RULES($SRC_SUBDIRS)
+
+if test "x$cf_with_ada" = "xyes" && test "x$cf_cv_prog_gnat_correct" = "xyes"; then
+if test -z "$USE_OLD_MAKERULES" ; then
+       $AWK -f $srcdir/Ada95/mk-1st.awk <$srcdir/Ada95/src/modules >>Ada95/src/Makefile
+fi
+fi
+],[
 ### Special initialization commands, used to pass information from the
 ### configuration-run into config.status
 
 ### Special initialization commands, used to pass information from the
 ### configuration-run into config.status
 
-SYS_NAME="`(uname -a || hostname) 2>/dev/null | sed 1q`"
-if test -z "\$SYS_NAME"; then SYS_NAME=unknown;fi
-
-AWK=$AWK
+ALTERNATE_SYMS="$ALTERNATE_SYMS"
+AWK="$AWK"
+CXX_NAME="$CXX_NAME"
+DFT_ARG_SUFFIX="$DFT_ARG_SUFFIX"
 DFT_LWR_MODEL="$DFT_LWR_MODEL"
 DFT_LWR_MODEL="$DFT_LWR_MODEL"
-NC_LIST_MODELS="$nc_list_models"
-WITH_ECHO="$with_echo"
-WITH_OVERWRITE="$with_overwrite"
+ECHO_LD="$ECHO_LD"
+EXTRA_SUFFIX="$EXTRA_SUFFIX"
+FORM_NAME="$FORM_NAME"
+LDCONFIG="$LDCONFIG"
+LIBTOOL_VERSION="$LIBTOOL_VERSION"
+LIB_NAME="$LIB_NAME"
+LIB_PREFIX="$LIB_PREFIX"
+LIB_SUBSETS="$LIB_SUBSETS"
+LIB_SUFFIX="$LIB_SUFFIX"
+LIB_TRACING="$LIB_TRACING"
+LN_S="$LN_S"
+MAKE_TERMINFO="$MAKE_TERMINFO"
+MENU_NAME="$MENU_NAME"
+NCURSES_MAJOR="$NCURSES_MAJOR"
+NCURSES_MINOR="$NCURSES_MINOR"
+NCURSES_OSPEED="$NCURSES_OSPEED"
+NCURSES_PATCH="$NCURSES_PATCH"
+PANEL_NAME="$PANEL_NAME"
 SRC_SUBDIRS="$SRC_SUBDIRS"
 SRC_SUBDIRS="$SRC_SUBDIRS"
-nc_cxx_library="$nc_cxx_library"
-nc_cv_systype="$nc_cv_systype"
-nc_cv_rel_version="$nc_cv_rel_version"
-nc_cv_abi_version="$nc_cv_abi_version"
-nc_cv_do_symlinks="$nc_cv_do_symlinks"
-nc_cv_rm_so_locs="$nc_cv_rm_so_locs"
-
-})dnl
-changequote([,])dnl
-make preinstall
+TERMINFO="$TERMINFO"
+TICS_ARG_SUFFIX="$TICS_ARG_SUFFIX"
+TICS_LIB_SUFFIX="$TICS_LIB_SUFFIX"
+TICS_NAME="$TICS_NAME"
+TICS_SUFFIX="$TICS_SUFFIX"
+TIC_PATH="$TIC_PATH"
+TINFO_ARG_SUFFIX="$TINFO_ARG_SUFFIX"
+TINFO_LIB_SUFFIX="$TINFO_LIB_SUFFIX"
+TINFO_NAME="$TINFO_NAME"
+TINFO_SUFFIX="$TINFO_SUFFIX"
+UNALTERED_SYMS="$UNALTERED_SYMS"
+USE_ARG_SUFFIX="$USE_ARG_SUFFIX"
+USE_CFG_SUFFIX="$USE_CFG_SUFFIX"
+USE_LIB_SUFFIX="$USE_LIB_SUFFIX"
+USE_OLD_MAKERULES="$USE_OLD_MAKERULES"
+WILDCARD_SYMS="$WILDCARD_SYMS"
+WITH_CURSES_H="$with_curses_h"
+WITH_ECHO="${enable_echo:=yes}"
+WITH_OVERWRITE="$with_overwrite"
+cf_LIST_MODELS="$cf_list_models"
+cf_cv_abi_version="$cf_cv_abi_version"
+cf_cv_do_relink="$cf_cv_do_relink"
+cf_cv_do_reranlib="$cf_cv_do_reranlib"
+cf_cv_do_symlinks="$cf_cv_do_symlinks"
+cf_cv_enable_lp64="$cf_cv_enable_lp64"
+cf_cv_enable_opaque="$cf_cv_enable_opaque"
+cf_cv_prog_CC_c_o=$cf_cv_prog_CC_c_o
+cf_cv_prog_CXX_c_o=$cf_cv_prog_CXX_c_o
+cf_cv_prog_gnat_correct=$cf_cv_prog_gnat_correct
+cf_cv_rel_version="$cf_cv_rel_version"
+cf_cv_rm_so_locs="$cf_cv_rm_so_locs"
+cf_cv_shared_soname='$cf_cv_shared_soname'
+cf_cv_shlib_version="$cf_cv_shlib_version"
+cf_cv_shlib_version_infix="$cf_cv_shlib_version_infix"
+cf_cv_system_name="$cf_cv_system_name"
+cf_cv_term_driver="$with_term_driver"
+cf_with_ada="$cf_with_ada"
+cf_with_cxx_binding="$cf_with_cxx_binding"
+cf_with_db_install="$cf_with_db_install"
+cf_with_manpages="$cf_with_manpages"
+cf_with_tests="$cf_with_tests"
+host="$host"
+target="$target"
+with_shared_cxx="$with_shared_cxx"
+
+],cat)dnl
+${MAKE:-make} preinstall