ncurses 5.6 - patch 20070421
[ncurses.git] / configure.in
index a46fbf1d43ed64f08eaa9d8ad4f9a7f6daea224d..de761f03b0d9d0ba513396568fa1de3ab4a7243e 100644 (file)
@@ -1,5 +1,5 @@
 dnl***************************************************************************
-dnl Copyright (c) 1998,1999,2000 Free Software Foundation, Inc.              *
+dnl Copyright (c) 1998-2006,2007 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            *
@@ -26,55 +26,31 @@ dnl sale, use or other dealings in this Software without prior written       *
 dnl authorization.                                                           *
 dnl***************************************************************************
 dnl
-dnl Author: Thomas E. Dickey <dickey@clark.net> 1996,1997
+dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: configure.in,v 1.220 2000/10/15 00:54:36 tom Exp $
+dnl $Id: configure.in,v 1.414 2007/04/19 20:04:08 tom Exp $
 dnl Process this file with autoconf to produce a configure script.
 dnl
-dnl See http://dickey.his.com/autoconf/ for additional information.
+dnl See http://invisible-island.net/autoconf/ for additional information.
 dnl
 dnl ---------------------------------------------------------------------------
-AC_PREREQ(2.13.20000819)
-AC_REVISION($Revision: 1.220 $)
+AC_PREREQ(2.13.20020210)
+AC_REVISION($Revision: 1.414 $)
 AC_INIT(ncurses/base/lib_initscr.c)
 AC_CONFIG_HEADER(include/ncurses_cfg.h:include/ncurses_cfg.hin)
 
+CF_TOP_BUILDDIR
 CF_SUBST_NCURSES_VERSION
+
+CF_WITH_REL_VERSION(NCURSES)
+CF_WITH_ABI_VERSION
+
 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
 AC_ARG_WITH(system-type,
 [  --with-system-type=XXX  test: override derived host system-type],
 [AC_MSG_WARN(overriding system type to $withval)
  cf_cv_system_name=$withval])
 
-# 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
-  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
-changequote([,])dnl
-
 ###    Save the given $CFLAGS to allow user-override.
 cf_user_CFLAGS="$CFLAGS"
 
@@ -83,31 +59,15 @@ CF_CFG_DEFAULTS
 
 ###    Checks for programs.
 AC_PROG_CC
-if test "$GCC" = yes ; then
-       AC_MSG_CHECKING(version of gcc)
-       eval "$CC --version"
-fi
-if test "$host" != $build; then
-       AC_CHECK_PROGS(BUILD_CC, $CC gcc cc)
-else
-       BUILD_CC="$CC"
-fi
-AC_SUBST(BUILD_CC)
+CF_GCC_VERSION
+
 AC_PROG_CPP
 AC_PROG_GCC_TRADITIONAL
+CF_PROG_CC_C_O(CC)
 AC_ISC_POSIX
 CF_ANSI_CC_REQD
 CF_PROG_EXT
-
-case "$cf_cv_system_name" in
-freebsd*) #(vi
-  test -z "$LDCONFIG" && LDCONFIG="/sbin/ldconfig -R"
-  ;;
-*) LDPATH=$PATH:/sbin:/usr/sbin
-  AC_PATH_PROG(LDCONFIG,ldconfig,,$LDPATH)
-  ;;
-esac
-AC_SUBST(LDCONFIG)
+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++
@@ -122,24 +82,31 @@ if test "X$cf_with_cxx" = Xno ; then
        CXX=""
        GXX=""
 else
+       # with autoconf 2.13, we can change the error to a warning:
        pushdef([AC_MSG_ERROR],
-               [AC_MSG_RESULT([You don't have any C++ compiler, too bad]); dnl
+               [AC_MSG_RESULT(no)
+                AC_MSG_WARN([You don't have any C++ compiler, too bad])
                cf_with_cxx=no; CXX=""; GXX="";])dnl
        AC_PROG_CXX
        popdef([AC_MSG_ERROR])dnl
+       # autoconf 2.5x removed the error - by hardcoding it to g++.
+       if test "$CXX" = "g++" ; then
+               AC_PATH_PROG(CXX,g++)
+       fi
+       if test "$CXX" = "g++" ; then
+               AC_MSG_WARN(ignoring hardcoded g++)
+               cf_with_cxx=no; CXX=""; GXX="";
+       fi
 fi
 
-changequote(,)dnl
-if test "$GXX" = yes; then
-       case "`${CXX-g++} --version`" in
-       1*|2.[0-6]*)
-               GXX=""; CXX=""; ac_cv_prog_gxx=no
-               cf_cxx_library=no
-               echo No: templates do not work
-               ;;
-       esac
-fi
-changequote([,])dnl
+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,
@@ -176,31 +143,32 @@ fi
 modules_to_build="$modules_to_build panel menu form"
 
 AC_ARG_PROGRAM
-AC_PROG_AWK
-AC_PROG_MAKE_SET
+
+CF_PROG_AWK
+CF_PROG_EGREP
 CF_PROG_INSTALL
-AC_SYS_LONG_FILE_NAMES
-CF_MIXEDCASE_FILENAMES
+CF_PROG_LINT
 AC_PROG_LN_S
-AC_PROG_RANLIB
+
+AC_PROG_MAKE_SET
 CF_MAKE_TAGS
-AC_CHECK_PROGS(LINT, tdlint lint alint)
-AC_CHECK_PROGS(MAN, man man_db)
-AC_SUBST(LINT_OPTS)
+CF_MAKEFLAGS
+
+AC_SYS_LONG_FILE_NAMES
+CF_MIXEDCASE_FILENAMES
 
 dnl These are standard among *NIX systems, but not when cross-compiling
-CF_SUBST(loader,LD,ld)
-CF_SUBST(archiver,AR,ar)
+AC_CHECK_TOOL(RANLIB, ranlib, ':')
+AC_CHECK_TOOL(LD, ld, ld)
+AC_CHECK_TOOL(AR, ar, ar)
 CF_SUBST(archiver options,AR_OPTS,rv)
 
-CF_MAKEFLAGS
-
 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,
-       [  --with-install-prefix   prefixes actual install-location],
+       [  --with-install-prefix   prefixes actual install-location ($DESTDIR)],
        [case "$withval" in #(vi
        yes|no) #(vi
                ;;
@@ -210,6 +178,13 @@ AC_ARG_WITH(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:)
 
@@ -219,19 +194,12 @@ CF_HELP_MESSAGE(Options to Specify the Libraries Built/Used:)
 cf_list_models=""
 AC_SUBST(cf_list_models)dnl    the complete list of models ("normal debug")
 
-AC_MSG_CHECKING(if you want to build libraries with libtool)
-AC_ARG_WITH(libtool,
-       [  --with-libtool          generate libraries with libtool],
-       [with_libtool=$withval],
-       [with_libtool=no])
-AC_MSG_RESULT($with_libtool)
-if test "$with_libtool" = "yes"; then
-       cf_list_models="$cf_list_models libtool"
-       test -z "$LIBTOOL" && LIBTOOL=libtool
+CF_WITH_LIBTOOL
+if test "$with_libtool" != "no" ; then
+
+cf_list_models="$cf_list_models libtool"
+
 else
-       LIBTOOL=""
-fi
-AC_SUBST(LIBTOOL)
 
 AC_MSG_CHECKING(if you want to build shared libraries)
 AC_ARG_WITH(shared,
@@ -265,19 +233,21 @@ AC_ARG_WITH(profile,
 AC_MSG_RESULT($with_profile)
 test "$with_profile" = "yes" && cf_list_models="$cf_list_models profile"
 
+fi
+
 ###############################################################################
 
 AC_MSG_CHECKING(for specified 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" = "yes" && cf_list_models=libtool
+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.
 AC_MSG_CHECKING(for default model)
-DFT_LWR_MODEL=`echo $cf_list_models | $AWK '{print $1}'`
+DFT_LWR_MODEL=`echo "$cf_list_models" | $AWK '{print $1}'`
 AC_MSG_RESULT($DFT_LWR_MODEL)
 
 CF_UPPER(DFT_UPR_MODEL,$DFT_LWR_MODEL)dnl
@@ -285,6 +255,9 @@ CF_UPPER(DFT_UPR_MODEL,$DFT_LWR_MODEL)dnl
 AC_SUBST(DFT_LWR_MODEL)dnl     the default model ("normal")
 AC_SUBST(DFT_UPR_MODEL)dnl     the default model ("NORMAL")
 
+TICS_NAME=tic
+AC_SUBST(TICS_NAME)
+
 TINFO_NAME=tinfo
 AC_SUBST(TINFO_NAME)
 
@@ -292,6 +265,8 @@ LIB_NAME=ncurses
 AC_SUBST(LIB_NAME)
 
 LIB_DIR=../lib
+LIB_2ND=../../lib
+
 CF_LIB_PREFIX(cf_prefix)
 LIB_PREFIX=$cf_prefix
 AC_SUBST(LIB_PREFIX)
@@ -308,43 +283,44 @@ AC_ARG_WITH(termlib,
        [with_termlib=no])
 AC_MSG_RESULT($with_termlib)
 
-### Checks for special libraries, must be done up-front.
-AC_MSG_CHECKING(if you want to link with dbmalloc for testing)
-AC_ARG_WITH(dbmalloc,
-       [  --with-dbmalloc         test: use Conor Cahill's dbmalloc library],
-       [with_dbmalloc=$withval],
-       [with_dbmalloc=no])
-AC_MSG_RESULT($with_dbmalloc)
-if test "$with_dbmalloc" = yes ; then
-       AC_CHECK_LIB(dbmalloc,debug_malloc)
-fi
-
-AC_MSG_CHECKING(if you want to link with dmalloc for testing)
-AC_ARG_WITH(dmalloc,
-       [  --with-dmalloc          test: use Gray Watson's dmalloc library],
-       [with_dmalloc=$withval],
-       [with_dmalloc=no])
-AC_MSG_RESULT($with_dmalloc)
-if test "$with_dmalloc" = yes ; then
-       AC_CHECK_LIB(dmalloc,dmalloc_debug)
-fi
+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)
 
+### Checks for special libraries, must be done up-front.
 SHLIB_LIST=""
-AC_MSG_CHECKING(if you want to link with the gpm mouse library)
-AC_ARG_WITH(gpm,
-       [  --with-gpm              use Alessandro Rubini's GPM library],
-       [with_gpm=$withval],
-       [with_gpm=no])
-AC_MSG_RESULT($with_gpm)
-if test "$with_gpm" = yes ; then
-       AC_CHECK_LIB(gpm,Gpm_Open,[
-               EXTRA_LIBS="-lgpm -lncurses $EXTRA_LIBS"
+CF_WITH_GPM
+if test "$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 "$with_dlsym" = yes ; then
+               CF_FUNC_DLSYM
+               if test "$with_gpm" != yes ; 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")
+               SHLIB_LIST="-ldl $SHLIB_LIST"
+       else
                SHLIB_LIST="-lgpm $SHLIB_LIST"
-               AC_DEFINE(HAVE_LIBGPM)
-               AC_CHECK_HEADERS(gpm.h)
-       ],AC_MSG_WARN(Cannot link with gpm library - read the FAQ))
+       fi
+       AC_DEFINE(HAVE_LIBGPM)
+       AC_CHECK_LIB(gpm,Gpm_Wgetch,[
+               AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
+       ])
 fi
 
+CF_WITH_SYSMOUSE
+
 dnl Not all ports of gcc support the -g option
 
 if test X"$CC_G_OPT" = X"" ; then
@@ -370,12 +346,22 @@ esac
 AC_SUBST(LD_MODEL)dnl          the type of link (e.g., -g or -pg)
 AC_MSG_RESULT($LD_MODEL)
 
+case $DFT_LWR_MODEL in
+shared)
 AC_MSG_CHECKING(if rpath option should be used)
 AC_ARG_ENABLE(rpath,
 [  --enable-rpath          use rpath option when generating shared libraries],
 [cf_cv_ld_rpath=$enableval],
 [cf_cv_ld_rpath=no])
 AC_MSG_RESULT($cf_cv_ld_rpath)
+AC_MSG_CHECKING(if shared libraries should be relinked during install)
+AC_ARG_ENABLE(rpath,
+[  --disable-relink        relink shared libraries during install],
+[cf_cv_do_relink=$enableval],
+[cf_cv_do_relink=yes])
+AC_MSG_RESULT($cf_cv_do_relink)
+       ;;
+esac
 
 CF_SHARED_OPTS
 if test "$CC_SHARED_OPTS" = "unknown"; then
@@ -394,12 +380,12 @@ AC_MSG_CHECKING(if you wish to install ncurses overwriting curses)
 AC_ARG_ENABLE(overwrite,
        [  --disable-overwrite     leave out the link to -lcurses],
        [with_overwrite=$enableval],
-       [with_overwrite=yes])
+       [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      use only built-in data],
+       [  --disable-database      do not use terminfo, only fallbacks/termcap],
        [use_database=$enableval],
        [use_database=yes])
 AC_MSG_RESULT($use_database)
@@ -414,13 +400,21 @@ os2*) #(vi
 esac
 AC_SUBST(TERMINFO_SRC)
 
+CF_PATHSEP
 if test "$use_database" != no ; then
        AC_DEFINE(USE_DATABASE)
+
        AC_MSG_CHECKING(which terminfo source-file will be installed)
        AC_ARG_ENABLE(database,
                [  --with-database=XXX     specify terminfo source to install],
                [TERMINFO_SRC=$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)
 fi
 
 AC_MSG_CHECKING(for list of fallback descriptions)
@@ -429,14 +423,26 @@ AC_ARG_WITH(fallbacks,
        [with_fallback=$withval],
        [with_fallback=])
 AC_MSG_RESULT($with_fallback)
-FALLBACK_LIST=`echo $with_fallback|sed -e 's/,/ /g'`
+FALLBACK_LIST=`echo "$with_fallback" | sed -e 's/,/ /g'`
 AC_SUBST(FALLBACK_LIST)
 
+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=$with_xterm_new
+AC_SUBST(WHICH_XTERM)
+
+MAKE_TERMINFO=
 if test "$use_database" = no ; then
-       if test -z $with_fallback ; then
-               AC_ERROR(You have disabled the database w/o specifying fallbacks)
-       fi
        TERMINFO="${datadir}/terminfo"
+       MAKE_TERMINFO="#"
 else
 
 AC_MSG_CHECKING(for list of terminfo directories)
@@ -460,6 +466,7 @@ AC_DEFINE_UNQUOTED(TERMINFO,"$TERMINFO")
 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.
@@ -475,7 +482,7 @@ int main() {
        char *s = malloc(n);
        if (s != 0)
                s[0] = s[n-1] = 0;
-       exit(s == 0);
+       ${cf_cv_main_return:-return}(s == 0);
 }],
        [with_big_core=yes],
        [with_big_core=no],
@@ -492,9 +499,27 @@ AC_ARG_ENABLE(termcap,
 AC_MSG_RESULT($with_termcap)
 
 if test "$with_termcap" != "yes" ; then
+       if test "$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)
 else
 
+if test "$with_ticlib" != no ; then
+       AC_ERROR(Options --with-ticlib and --enable-termcap cannot be combined)
+fi
+
+AC_DEFINE(USE_TERMCAP)
+AC_MSG_CHECKING(for list of termcap files)
+CF_WITH_PATHLIST(termpath,
+       [  --with-termpath=XXX     specify list of termcap files],
+       TERMPATH,
+       /etc/termcap:/usr/share/misc/termcap)
+AC_MSG_RESULT($TERMPATH)
+test -n "$TERMPATH" && AC_DEFINE_UNQUOTED(TERMPATH,"$TERMPATH")
+
 ###    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,
@@ -514,6 +539,23 @@ test "$with_getcap_cache" = "yes" && AC_DEFINE(USE_GETCAP_CACHE)
 
 fi
 
+###   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 "$with_home_terminfo" = "yes" && AC_DEFINE(USE_HOME_TERMINFO)
+
+AC_MSG_CHECKING(if you want to use restricted environment when running as root)
+AC_ARG_ENABLE(root-environ,
+       [  --disable-root-environ  restrict environment when running as root],
+       [with_root_environ=$enableval],
+       [with_root_environ=yes])
+AC_MSG_RESULT($with_root_environ)
+test "$with_root_environ" = yes && AC_DEFINE(USE_ROOT_ENVIRON)
+
 ###   Use option --enable-symlinks to make tic use symlinks, not hard links
 ###   to reduce storage requirements for the terminfo database.
 CF_LINK_FUNCS
@@ -521,29 +563,27 @@ CF_LINK_FUNCS
 with_links=no
 with_symlinks=no
 
-if test "$ac_cv_func_link" != yes ; then
+# soft links (symbolic links) are useful for some systems where hard links do
+# not work, or to make it simpler to copy terminfo trees around.
+if test "$ac_cv_func_symlink" = yes ; then
     AC_MSG_CHECKING(if tic should use symbolic links)
-    if test "$ac_cv_func_symlink" = yes ; then
-       with_symlinks=yes
-    else
-       with_symlinks=no
-    fi
+    AC_ARG_ENABLE(symlinks,
+       [  --enable-symlinks       make tic use symbolic links not hard links],
+       [with_symlinks=$enableval],
+       [with_symlinks=no])
     AC_MSG_RESULT($with_symlinks)
-elif test "$ac_cv_func_symlink" != yes ; then
+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 "$with_symlinks" = no ; then
     AC_MSG_CHECKING(if tic should use hard links)
     if test "$ac_cv_func_link" = yes ; then
-       with_links=yes
+       with_links=yes
     else
-       with_links=no
+       with_links=no
     fi
     AC_MSG_RESULT($with_links)
-else
-    AC_MSG_CHECKING(if tic should use symbolic links)
-    AC_ARG_ENABLE(symlinks,
-       [  --enable-symlinks       make tic use symbolic links not hard links],
-       [with_symlinks=$enableval],
-       [with_symlinks=no])
-    AC_MSG_RESULT($with_symlinks)
 fi
 
 test "$with_links" = yes && AC_DEFINE(USE_LINKS)
@@ -554,9 +594,23 @@ AC_MSG_CHECKING(if you want broken-linker support code)
 AC_ARG_ENABLE(broken_linker,
        [  --enable-broken_linker  compile with broken-linker support code],
        [with_broken_linker=$enableval],
-       [with_broken_linker=$BROKEN_LINKER])
+       [with_broken_linker=${BROKEN_LINKER-no}])
 AC_MSG_RESULT($with_broken_linker)
-test "$with_broken_linker" = yes && AC_DEFINE(BROKEN_LINKER)
+
+BROKEN_LINKER=0
+if test "$with_broken_linker" = yes ; then
+       AC_DEFINE(BROKEN_LINKER)
+       BROKEN_LINKER=1
+elif test "$DFT_LWR_MODEL" = shared ; then
+       case $cf_cv_system_name in #(vi
+       cygwin*)
+               AC_DEFINE(BROKEN_LINKER)
+               BROKEN_LINKER=1
+               CF_VERBOSE(cygwin linker is broken anyway)
+               ;;
+       esac
+fi
+AC_SUBST(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)
@@ -567,6 +621,146 @@ AC_ARG_ENABLE(bsdpad,
 AC_MSG_RESULT($with_bsdpad)
 test "$with_bsdpad" = yes && AC_DEFINE(BSD_TPUTS)
 
+###   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"
+CF_XOPEN_SOURCE
+
+# 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)
+if test "$with_widec" = yes ; then
+       LIB_SUFFIX="w${LIB_SUFFIX}"
+       AC_DEFINE(USE_WIDEC_SUPPORT)
+       CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
+       # with_overwrite=no
+       NCURSES_CH_T=cchar_t
+       AC_CHECK_FUNCS(putwc btowc wctob mbtowc wctomb mblen mbrlen mbrtowc)
+       if test "$ac_cv_func_putwc" != yes ; then
+               CF_LIBUTF8
+               if test "$cf_cv_libutf8" = yes ; 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)
+       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
+case $cf_cv_abi_version in
+[[345]]*)
+       default_with_lp64=no
+       ;;
+*)
+       default_with_lp64=yes
+       ;;
+esac
+
+AC_MSG_CHECKING(whether to enable _LP64 definition in curses.h)
+AC_ARG_ENABLE(lp64,
+       [  --disable-lp64          allow chtype to be long (ignore _LP64)],
+       [with_lp64=$enableval],
+       [with_lp64=$default_with_lp64])
+AC_MSG_RESULT($with_lp64)
+
+if test "$with_lp64" = yes ; then
+       cf_cv_enable_lp64=1
+else
+       cf_cv_enable_lp64=0
+fi
+AC_SUBST(cf_cv_enable_lp64)
+
+CF_LARGEFILE
+
+###   use option --disable-tparm-varargs to make tparm() conform to X/Open
+AC_MSG_CHECKING(if you want tparm not to use X/Open fixed-parameter list)
+AC_ARG_ENABLE(tparm-varargs,
+       [  --disable-tparm-varargs compile tparm() without varargs interface],
+       [with_tparm_varargs=$enableval],
+       [with_tparm_varargs=yes])
+AC_MSG_RESULT($with_tparm_varargs)
+NCURSES_TPARM_VARARGS=0
+test "$with_tparm_varargs" = yes && NCURSES_TPARM_VARARGS=1
+AC_SUBST(NCURSES_TPARM_VARARGS)
+
+###   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="$withval"],
+       [NCURSES_CHTYPE=auto])
+AC_MSG_RESULT($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="$withval"],
+       [NCURSES_MMASK_T=auto])
+AC_MSG_RESULT($NCURSES_MMASK_T)
+
 ### Enable compiling-in rcs id's
 AC_MSG_CHECKING(if RCS identifiers should be compiled-in)
 AC_ARG_WITH(rcs-ids,
@@ -590,13 +784,18 @@ AC_ARG_ENABLE(ext-funcs,
        [with_ext_funcs=yes])
 AC_MSG_RESULT($with_ext_funcs)
 if test "$with_ext_funcs" = yes ; then
+       NCURSES_EXT_FUNCS=1
        AC_DEFINE(HAVE_CURSES_VERSION)
        AC_DEFINE(HAVE_HAS_KEY)
        AC_DEFINE(HAVE_RESIZETERM)
+       AC_DEFINE(HAVE_RESIZE_TERM)
        AC_DEFINE(HAVE_USE_DEFAULT_COLORS)
        AC_DEFINE(HAVE_WRESIZE)
        AC_DEFINE(NCURSES_EXT_FUNCS)
+else
+       NCURSES_EXT_FUNCS=0
 fi
+AC_SUBST(NCURSES_EXT_FUNCS)
 
 ###   use option --enable-const to turn on use of const beyond that in XSI.
 AC_MSG_CHECKING(for extended use of const keyword)
@@ -613,12 +812,27 @@ AC_SUBST(NCURSES_CONST)
 
 AC_MSG_CHECKING(if you want \$NCURSES_NO_PADDING code)
 AC_ARG_ENABLE(no-padding,
-       [  --enable-no-padding     compile with \$NCURSES_NO_PADDING code],
+       [  --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 "$with_no_padding" = yes && AC_DEFINE(NCURSES_NO_PADDING)
 
+AC_CHECK_SIZEOF([signed char], 0)
+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($with_signed_char)
+test "$with_signed_char" != yes && NCURSES_SBOOL="char"
+AC_SUBST(NCURSES_SBOOL)
+
 ###   use option --enable-sigwinch to turn on use of SIGWINCH logic
 AC_MSG_CHECKING(if you want SIGWINCH handler)
 AC_ARG_ENABLE(sigwinch,
@@ -644,45 +858,26 @@ AC_SUBST(NCURSES_XNAMES)
 CF_HELP_MESSAGE(Development Code:)
 AC_MSG_CHECKING(if you want all development code)
 AC_ARG_WITH(develop,
-       [  --with-develop          enable all development options],
+       [  --without-develop       disable development options],
        [with_develop=$withval],
        [with_develop=no])
 AC_MSG_RESULT($with_develop)
 
-###   use option --enable-colorfgbg to turn on use of $COLORFGBG environment
-AC_MSG_CHECKING(if you want colorfgbg code)
-AC_ARG_ENABLE(hard-tabs,
-       [  --enable-colorfgbg      compile with \$COLORFGBG code],
-       [with_colorfgbg=$enableval],
-       [with_colorfgbg=$with_develop])
-AC_MSG_RESULT($with_colorfgbg)
-test "$with_colorfgbg" = yes && AC_DEFINE(USE_COLORFGBG)
-
 ###   use option --enable-hard-tabs to turn on use of hard-tabs optimize
 AC_MSG_CHECKING(if you want hard-tabs code)
 AC_ARG_ENABLE(hard-tabs,
-       [  --enable-hard-tabs      compile with hard-tabs code],
-       [with_hardtabs=$enableval],
-       [with_hardtabs=$with_develop])
-AC_MSG_RESULT($with_hardtabs)
-test "$with_hardtabs" = yes && AC_DEFINE(USE_HARD_TABS)
-
-AC_MSG_CHECKING(if you want to use restrict environment when running as root)
-AC_ARG_ENABLE(root-environ,
-       [  --disable-root-environ  limit environment when running as root],
-       [with_root_environ=$enableval],
-       [with_root_environ=yes])
-AC_MSG_RESULT($with_root_environ)
-test "$with_root_environ" = yes && AC_DEFINE(USE_ROOT_ENVIRON)
+       [  --enable-hard-tabs      compile with hard-tabs code],,
+       [enable_hard_tabs=$with_develop])
+AC_MSG_RESULT($enable_hard_tabs)
+test "$enable_hard_tabs" = yes && AC_DEFINE(USE_HARD_TABS)
 
 ###   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 limited support for xmc],
-       [with_xmc_glitch=$enableval],
-       [with_xmc_glitch=$with_develop])
-AC_MSG_RESULT($with_xmc_glitch)
-test "$with_xmc_glitch" = yes && AC_DEFINE(USE_XMC_SUPPORT)
+       [  --enable-xmc-glitch     compile with support for xmc (magic-cookie)],,
+       [enable_xmc_glitch=$with_develop])
+AC_MSG_RESULT($enable_xmc_glitch)
+test "$enable_xmc_glitch" = yes && AC_DEFINE(USE_XMC_SUPPORT)
 
 ###############################################################################
 # These are just experimental, probably should not be in a package:
@@ -705,6 +900,76 @@ AC_ARG_ENABLE(hashmap,
 AC_MSG_RESULT($with_hashmap)
 test "$with_hashmap" = yes && AC_DEFINE(USE_HASHMAP)
 
+###   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 with $COLORFGBG code],
+       [with_colorfgbg=$enableval],
+       [with_colorfgbg=no])
+AC_MSG_RESULT($with_colorfgbg)
+test "$with_colorfgbg" = yes && AC_DEFINE(USE_COLORFGBG)
+
+###   use option --enable-ext-colors to turn on use of colors beyond 16.
+AC_MSG_CHECKING(if you want to use experimental extended colors)
+AC_ARG_ENABLE(ext-colors,
+       [  --enable-ext-colors     compile for experimental 256-color support],
+       [with_ext_colors=$enableval],
+       [with_ext_colors=no])
+AC_MSG_RESULT($with_ext_colors)
+NCURSES_EXT_COLORS=0
+if test "$with_ext_colors" = yes ; then
+       if test "$with_widec" != yes ; then
+               AC_MSG_ERROR(This option applies only to wide-character library)
+       else
+               # cannot be ABI 5 since it changes sizeof(cchar_t)
+               CF_NCURSES_ABI_6
+       fi
+       NCURSES_EXT_COLORS=1
+       AC_DEFINE(NCURSES_EXT_COLORS)
+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 experimental extended mouse encoding)
+AC_ARG_ENABLE(ext-mouse,
+       [  --enable-ext-mouse      compile for experimental mouse-encoding],
+       [with_ext_mouse=$enableval],
+       [with_ext_mouse=no])
+AC_MSG_RESULT($with_ext_mouse)
+NCURSES_MOUSE_VERSION=1
+if test "$with_ext_mouse" = yes ; then
+       NCURSES_MOUSE_VERSION=2
+       CF_NCURSES_ABI_6
+fi
+AC_SUBST(NCURSES_MOUSE_VERSION)
+
+# Reentrant code has to be opaque; there's little advantage to making ncurses
+# opaque outside of that, so there is no --enable-opaque option.
+AC_MSG_CHECKING(if you want experimental reentrant code)
+AC_ARG_ENABLE(reentrant,
+       [  --enable-reentrant      compile with experimental reentrant code],
+       [with_reentrant=$enableval],
+       [with_reentrant=no])
+AC_MSG_RESULT($with_reentrant)
+if test "$with_reentrant" = yes ; then
+       cf_cv_enable_reentrant=1
+       cf_cv_enable_opaque="NCURSES_INTERNALS"
+       NCURSES_OPAQUE=1
+       NCURSES_SIZE_T=int
+       LIB_SUFFIX="t${LIB_SUFFIX}"
+       AC_DEFINE(USE_REENTRANT)
+       CF_NCURSES_ABI_6
+else
+       cf_cv_enable_reentrant=0
+       cf_cv_enable_opaque="NCURSES_OPAQUE"
+       NCURSES_OPAQUE=0
+       NCURSES_SIZE_T=short
+fi
+AC_SUBST(cf_cv_enable_reentrant)
+AC_SUBST(cf_cv_enable_opaque)
+AC_SUBST(NCURSES_OPAQUE)
+AC_SUBST(NCURSES_SIZE_T)
+
 AC_MSG_CHECKING(if you want experimental safe-sprintf code)
 AC_ARG_ENABLE(safe-sprintf,
        [  --enable-safe-sprintf   compile with experimental safe-sprintf code],
@@ -725,17 +990,13 @@ AC_MSG_RESULT($with_scroll_hints)
 test "$with_scroll_hints" = yes && AC_DEFINE(USE_SCROLL_HINTS)
 fi
 
-###   use option --enable-widec to turn on use of wide-character support
-AC_MSG_CHECKING(if you want experimental wide-character code)
-AC_ARG_ENABLE(widec,
-       [  --enable-widec          compile with experimental wide-char/UTF-8 code],
-       [with_widec=$enableval],
-       [with_widec=no])
-AC_MSG_RESULT($with_widec)
-if test "$with_widec" = yes ; then
-       LIB_SUFFIX="w${LIB_SUFFIX}"
-       AC_DEFINE(USE_WIDEC_SUPPORT)
-fi
+AC_MSG_CHECKING(if you want experimental wgetch-events code)
+AC_ARG_ENABLE(wgetch-events,
+       [  --enable-wgetch-events  compile with experimental wgetch-events code],
+       [with_wgetch_events=$enableval],
+       [with_wgetch_events=no])
+AC_MSG_RESULT($with_wgetch_events)
+test "$with_wgetch_events" = yes && AC_DEFINE(NCURSES_WGETCH_EVENTS)
 
 ###############################################################################
 CF_HELP_MESSAGE(Testing/development Options:)
@@ -765,6 +1026,9 @@ AC_MSG_RESULT($with_warnings)
 if test -n "$with_warnings"; then
        ADAFLAGS="$ADAFLAGS -gnatg"
        CF_GCC_WARNINGS
+       if test "$cf_with_cxx" = yes ; then
+               CF_GXX_WARNINGS(Wno-unused)
+       fi
 fi
 CF_GCC_ATTRIBUTES
 
@@ -787,9 +1051,7 @@ then
 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)])
+CF_DISABLE_LEAKS
 AC_DEFINE(HAVE_NC_ALLOC_H)
 
 ###    use option --enable-expanded to generate certain macros as functions
@@ -802,6 +1064,33 @@ AC_ARG_ENABLE(macros,
        [  --disable-macros        test: use functions rather than macros],
        [test "$enableval" = no && AC_DEFINE(NCURSES_NOMACROS)])
 
+# 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 "$cf_with_trace" = yes ; then
+       LIB_TRACING=all
+       ADA_TRACE=TRUE
+       CF_ADD_CFLAGS(-DTRACE)
+else
+       LIB_TRACING=DEBUG
+       ADA_TRACE=FALSE
+fi
+
+AC_SUBST(ADA_TRACE)
+
 ###    Checks for libraries.
 AC_CHECK_FUNC(gettimeofday,
        AC_DEFINE(HAVE_GETTIMEOFDAY),[
@@ -816,13 +1105,13 @@ AC_SUBST(MATH_LIB)
 ###    Checks for header files.
 AC_STDC_HEADERS
 AC_HEADER_DIRENT
+AC_HEADER_TIME
 CF_REGEX
 
 dnl These are some other potentially nonportable headers.
 AC_CHECK_HEADERS( \
 fcntl.h \
 getopt.h \
-libc.h \
 limits.h \
 locale.h \
 poll.h \
@@ -835,6 +1124,7 @@ sys/time.h \
 sys/times.h \
 ttyent.h \
 unistd.h \
+wctype.h \
 )
 
 # check for ISC (this may also define _POSIX_SOURCE)
@@ -850,10 +1140,36 @@ CF_SYS_TIME_SELECT
 AC_LANG_C
 AC_C_CONST
 AC_C_INLINE
-test "$ac_cv_c_inline" != no && AC_DEFINE(CC_HAS_INLINE_FUNCS)
+CF_SIG_ATOMIC_T
 
-CF_TYPEOF_CHTYPE
-CF_WIDEC_SHIFT
+NCURSES_INLINE=
+if test "$ac_cv_c_inline" != no ; then
+       AC_DEFINE(CC_HAS_INLINE_FUNCS)
+       NCURSES_INLINE=inline
+fi
+AC_SUBST(NCURSES_INLINE)
+
+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
 CF_ERRNO
@@ -866,9 +1182,6 @@ getegid \
 geteuid \
 getttynam \
 issetugid \
-memccpy \
-mkstemp \
-nanosleep \
 poll \
 remove \
 select \
@@ -881,9 +1194,7 @@ strdup \
 strstr \
 tcgetpgrp \
 times \
-vfscanf \
 vsnprintf \
-vsscanf \
 )
 if test "$with_getcap" = "yes" ; then
        CF_CGETENT
@@ -891,7 +1202,13 @@ 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
 if test "$cross_compiling" = yes ; then
@@ -905,43 +1222,68 @@ CF_SIZECHANGE
 CF_FUNC_MEMMOVE
 CF_FUNC_POLL
 
+if test "$with_hashed_db" != no ; then
+       AC_DEFINE(USE_HASHED_DB)
+       CF_HASHED_DB
+fi
+
 dnl We'll do our own -g libraries, unless the user's overridden via $CFLAGS
-if test -z "$cf_user_CFLAGS" ; then
+if test -z "$cf_user_CFLAGS" && test "$with_no_leaks" = no ; then
        CF_STRIP_G_OPT(CFLAGS)
        CF_STRIP_G_OPT(CXXFLAGS)
 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 "$CXX" ; then
        AC_LANG_CPLUSPLUS
        CF_STDCPP_LIBRARY
-       if test "$GXX" = yes; then
-               case "`${CXX-g++} --version`" in
-               1*|2.[0-6]*)
-                       cf_cxx_library=yes
-                       ;;
-               2.7*)
-                       CF_GPP_LIBRARY
-                       ;;
-               *)
-                       cf_cxx_library=no
-                       ;;
-               esac
-       else
+       CF_PROG_CC_C_O(CXX)
+
+       case $GXX_VERSION in
+       1*|2.[0-6]*)
+               cf_cxx_library=yes
+               ;;
+       *-2.7*|2.7*)
+               CF_GPP_LIBRARY
+               ;;
+       *)
                cf_cxx_library=no
-       fi
-       AC_CHECK_HEADERS(typeinfo)
+               ;;
+       esac
+
+       AC_CHECK_HEADERS(iostream typeinfo)
+
        CF_BOOL_DECL
        CF_BOOL_SIZE
        CF_ETIP_DEFINES
        CF_CPP_PARAM_INIT
+       CF_CPP_STATIC_CAST
+
+       CXX_AR='$(AR)'
+       CXX_AR_OPTS='$(AR_OPTS)'
        case $cf_cv_system_name in #(vi
-       sco3.2v5*)
+       irix*) #(vi
+           if test "$GXX" != yes ; then
+               CXX_AR='$(CXX)'
+               CXX_AR_OPTS='-ar -o'
+           fi
+           ;;
+       sco3.2v5*) #(vi
            CXXLDFLAGS="-u main"
            ;;
+       solaris2*)
+           if test "$GXX" != yes ; then
+               CXX_AR='$(CXX)'
+               CXX_AR_OPTS='-xar -o'
+           fi
+           ;;
        esac
        AC_SUBST(CXXLDFLAGS)
+       AC_SUBST(CXX_AR)
+       AC_SUBST(CXX_AR_OPTS)
 else
        cf_cxx_library=no
        cf_cv_builtin_bool=1
@@ -955,19 +1297,49 @@ else
        # Caveat: since the storage of the bool type is not standardized, it
        # may change.
 
-       AC_MSG_CHECKING(for fallback type of bool)
-       case "$host_cpu" in #(vi
-       i?86)   cf_cv_type_of_bool=char ;; #(vi
-       *)      cf_cv_type_of_bool=int  ;;
-       esac
-       AC_MSG_RESULT($cf_cv_type_of_bool)
+       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 #(vi
+                       i?86)   cf_cv_type_of_bool=char ;; #(vi
+                       *)      cf_cv_type_of_bool=int  ;;
+                       esac
+                       AC_MSG_RESULT($cf_cv_type_of_bool)
+               fi
+       fi
 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(Ada95 Binding Options:)
 
 dnl Check for availability of GNU Ada Translator (GNAT).
 dnl At the moment we support no other Ada95 compiler.
+if test -f "${srcdir}/Ada95/Makefile.in" ; then
 if test "$cf_with_ada" != "no" ; then
 cf_ada_make=gnatmake
 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
@@ -997,6 +1369,28 @@ fi
 if test        "$cf_cv_prog_gnat_correct" = yes; then
    ADAFLAGS="-O3 -gnatpn $ADAFLAGS"
 
+   AC_MSG_CHECKING(if GNAT pragma Unreferenced works)
+   CF_GNAT_TRY_LINK([procedure conftest;],
+[with Text_IO;
+with GNAT.OS_Lib;
+procedure conftest is
+   test : Integer;
+   pragma Unreferenced (test);
+begin
+   test := 1;
+   Text_IO.Put ("Hello World");
+   Text_IO.New_Line;
+   GNAT.OS_Lib.OS_Exit (0);
+end conftest;],[cf_cv_pragma_unreferenced=yes],[cf_cv_pragma_unreferenced=no])
+   AC_MSG_RESULT($cf_cv_pragma_unreferenced)
+
+   # if the pragma is supported, use it (needed in the Trace code).
+   if test $cf_cv_pragma_unreferenced = yes ; then
+      PRAGMA_UNREF=TRUE
+   else
+      PRAGMA_UNREF=FALSE
+   fi
+
    AC_ARG_WITH(ada-compiler,
        [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
        [cf_ada_compiler=$withval],
@@ -1010,6 +1404,7 @@ if test   "$cf_cv_prog_gnat_correct" = yes; then
    AC_SUBST(ADAFLAGS)
    AC_SUBST(cf_compile_generics)
    AC_SUBST(cf_generic_objects)
+   AC_SUBST(PRAGMA_UNREF)
 
    CF_WITH_PATH(ada-include,
        [  --with-ada-include=DIR  Ada includes are in DIR],
@@ -1027,43 +1422,45 @@ if test "$cf_cv_prog_gnat_correct" = yes; then
 
 fi
 fi
+else
+   cf_with_ada=no
+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 "$with_warnings"; then
-       if test "$GCC" = yes; then
-               case "`$CC --version`" in
-               2.6.3)
-                       if test "$cf_cv_type_of_bool" != "char"; then
-                               EXTRA_CFLAGS="$EXTRA_CFLAGS -Wconversion"
-                       fi
-                       ;;
-               2.5*)
-                       EXTRA_CFLAGS="$EXTRA_CFLAGS -Wconversion"
-                       ;;
-               esac
+### 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 "$cf_with_progs" = yes || test "$with_ticlib" != no; then
+       LIB_SUBSETS="${LIB_SUBSETS}ticlib"
+       if test "$with_ticlib" != no ; then
+               LIB_SUBSETS="${LIB_SUBSETS} "
+       else
+               LIB_SUBSETS="${LIB_SUBSETS}+"
        fi
 fi
 
-### Construct the library-subsets, if any, from this set of keywords:
-### none, base, ext_funcs, termlib.
-AC_MSG_CHECKING(for library subsets)
-if test "$with_termlib" = yes ; then
-       LIB_SUBSETS="termlib "
+LIB_SUBSETS="${LIB_SUBSETS}termlib"
+test "$with_ext_funcs" = yes && LIB_SUBSETS="${LIB_SUBSETS}+ext_tinfo"
+if test "$with_termlib" != no ; then
+       LIB_SUBSETS="${LIB_SUBSETS} "
 else
-       LIB_SUBSETS="termlib+"
+       LIB_SUBSETS="${LIB_SUBSETS}+"
 fi
+
 LIB_SUBSETS="${LIB_SUBSETS}base"
+test "$with_widec"     = yes && LIB_SUBSETS="${LIB_SUBSETS}+widechar"
 test "$with_ext_funcs" = yes && LIB_SUBSETS="${LIB_SUBSETS}+ext_funcs"
-AC_MSG_RESULT($LIB_SUBSETS)
 
-LIB_TRACING=DEBUG
-case "$CFLAGS" in
-*-DTRACE*)
-       LIB_TRACING=all
-       ;;
-esac
+AC_MSG_RESULT($LIB_SUBSETS)
 
 ### Construct the list of include-directories to be generated
 CF_INCLUDE_DIRS
@@ -1077,6 +1474,13 @@ AC_MSG_RESULT($DFT_ARG_SUFFIX)
 
 AC_MSG_CHECKING(default library-dependency suffix)
 CF_LIB_SUFFIX($DFT_LWR_MODEL,DFT_DEP_SUFFIX)dnl
+if test $DFT_LWR_MODEL = shared ; then
+       case $cf_cv_system_name in #(vi
+       cygwin*)
+               DFT_DEP_SUFFIX=".dll.a"
+               ;;
+       esac
+fi
 AC_SUBST(DFT_DEP_SUFFIX)dnl the corresponding library-suffix (".a")
 AC_MSG_RESULT($DFT_DEP_SUFFIX)
 
@@ -1086,86 +1490,212 @@ AC_SUBST(DFT_OBJ_SUBDIR)dnl the default object-directory ("obj")
 AC_MSG_RESULT($DFT_OBJ_SUBDIR)
 
 # libtool thinks it can make c++ shared libraries (perhaps only g++)
-AC_MSG_CHECKING(c++ library-dependency suffux)
-if test "$with_libtool" = "yes"; then
+if test "$cf_with_cxx" = yes ; then
+AC_MSG_CHECKING(c++ library-dependency suffix)
+if test "$with_libtool" != "no"; then
        CXX_LIB_SUFFIX=$DFT_DEP_SUFFIX
 else
        CF_LIB_SUFFIX(normal,CXX_LIB_SUFFIX)dnl we normally make a static library
 fi
 AC_MSG_RESULT($CXX_LIB_SUFFIX)
 AC_SUBST(CXX_LIB_SUFFIX)
+fi
 
-TINFO_LIST="$SHLIB_LIST"
-test "$with_termlib" = yes && SHLIB_LIST="$SHLIB_LIST -ltinfo${LIB_SUFFIX}"
+# do not want -ldl in build except as needed for -lncurses dependency
+if test "$with_dlsym" = yes ; 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 "$with_dlsym" = yes ; then
+       CF_REMOVE_LIB(TINFO_LIST,$SHLIB_LIST,dl)
+fi
+
+if test "$with_ticlib" != no ; then
+
+       if test "$with_ticlib" != yes ; then
+               TICS_NAME=$with_ticlib
+               TICS_ARG_SUFFIX="${with_ticlib}`echo ${DFT_ARG_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`"
+               TICS_DEP_SUFFIX="${with_ticlib}`echo ${DFT_DEP_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`"
+               TICS_LIB_SUFFIX="${with_ticlib}"
+       else
+               TICS_ARG_SUFFIX="${TICS_NAME}${DFT_ARG_SUFFIX}"
+               TICS_DEP_SUFFIX="${TICS_NAME}${DFT_DEP_SUFFIX}"
+               TICS_LIB_SUFFIX="${TICS_NAME}${LIB_SUFFIX}"
+       fi
+       TICS_ARGS="-L${LIB_DIR} -l${TICS_LIB_SUFFIX}"
+else
+       TICS_ARGS="-L${LIB_DIR} -l${LIB_NAME}${DFT_ARG_SUFFIX}"
+fi
+AC_SUBST(TICS_ARG_SUFFIX)
+AC_SUBST(TICS_DEP_SUFFIX)
+AC_SUBST(TICS_LIB_SUFFIX)
+AC_SUBST(TICS_ARGS)
+
+if test "$with_termlib" != no ; then
+
+       if test "$with_termlib" != yes ; then
+               TINFO_NAME=$with_termlib
+               TINFO_SUFFIX="`echo ${DFT_DEP_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`"
+               TINFO_ARG_SUFFIX="${with_termlib}`echo ${DFT_ARG_SUFFIX}|sed -e "s/^${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_DEP_SUFFIX}
+               TINFO_ARG_SUFFIX="${TINFO_NAME}${DFT_ARG_SUFFIX}"
+               TINFO_DEP_SUFFIX="${TINFO_NAME}${DFT_DEP_SUFFIX}"
+               TINFO_LIB_SUFFIX="${TINFO_NAME}${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="${TEST_DEP2}"
+               TINFO_ARGS="-L${LIB_DIR} $TEST_ARGS"
+       else
+               TEST_ARGS="-l${TINFO_ARG_SUFFIX}"
+               TEST_ARG2="-l${TINFO_ARG_SUFFIX}"
+               TICS_LIST="$SHLIB_LIST -l${TINFO_LIB_SUFFIX}"
+               TINFO_ARGS="-L${LIB_DIR} $TEST_ARGS"
+               SHLIB_LIST="$SHLIB_LIST -l${TINFO_LIB_SUFFIX}"
+       fi
+else
+       # the next lines are needed for linking libtic over libncurses
+       TINFO_NAME=${LIB_NAME}
+       TINFO_SUFFIX=${DFT_DEP_SUFFIX}
+       TINFO_ARG_SUFFIX=${LIB_NAME}${DFT_ARG_SUFFIX}
+       TICS_LIST="$SHLIB_LIST -l${LIB_NAME}${DFT_ARG_SUFFIX}"
+
+       TINFO_ARGS="-L${LIB_DIR} -l${LIB_NAME}${DFT_ARG_SUFFIX}"
+fi
+AC_SUBST(TINFO_ARG_SUFFIX)
+AC_SUBST(TINFO_DEP_SUFFIX)
+AC_SUBST(TINFO_LIB_SUFFIX)
+AC_SUBST(TINFO_ARGS)
+
+if test "$with_dlsym" = yes ; then
+       CF_REMOVE_LIB(TICS_LIST,$TICS_LIST,dl)
+fi
+
+# needed for Ada95
+TINFO_ARGS2=`echo "$TINFO_ARGS" | sed -e 's,-L\.\./,-L../../,'`
+AC_SUBST(TINFO_ARGS2)
 
 AC_MSG_CHECKING(where we will install curses.h)
 test "$with_overwrite" = no && \
 test "x$includedir" = 'x${prefix}/include' && \
-       includedir='$(prefix)/include/ncurses'${LIB_SUFFIX}
+       includedir='${prefix}/include/ncurses'${LIB_SUFFIX}
 AC_MSG_RESULT($includedir)
 
-AC_SUBST(EXTRA_LIBS)
+### 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
+
+AC_SUBST(WITH_OVERWRITE)
+AC_SUBST(TICS_LIST)
 AC_SUBST(TINFO_LIST)
 AC_SUBST(SHLIB_LIST)
 
-### Set up low-level terminfo dependencies for makefiles.  Note that we
-### could override this.
-if test "$with_termlib" = yes ; then
-       TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${TINFO_NAME}${DFT_DEP_SUFFIX}"
-       if test "$DFT_LWR_MODEL" = "libtool"; then
-               TEST_ARGS="${TEST_DEPS}"
-       else
-               TEST_ARGS="-l${TINFO_NAME}${DFT_ARG_SUFFIX}"
-       fi
-fi
-PROG_DEPS="$TEST_DEPS"
-PROG_ARGS="$TEST_ARGS"
+# 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)
 
 ### Construct the list of subdirectories for which we'll customize makefiles
 ### with the appropriate compile-rules.
 
 CF_SRC_MODULES($modules_to_build)
+
+if test "$cf_with_ada" != "no" && test "$cf_cv_prog_gnat_correct" != "no"; then
+   SUB_MAKEFILES="$SUB_MAKEFILES Ada95/gen/adacurses-config"
+fi
+
 CF_DIRS_TO_MAKE
 
+AC_DEFINE_UNQUOTED(NCURSES_PATHSEP,'$PATHSEP')
+
+AC_DEFINE_UNQUOTED(NCURSES_VERSION_STRING, "${NCURSES_MAJOR}.${NCURSES_MINOR}.${NCURSES_PATCH}")
+
 ### Now that we're done running tests, add the compiler-warnings, if any
-CFLAGS="$CFLAGS $EXTRA_CFLAGS"
+CF_ADD_CFLAGS($EXTRA_CFLAGS)
+
+### Define substitutions for header files to avoid name-pollution
+CF_SUBST_IF(["$cf_cv_have_tcgetattr" = yes], HAVE_TCGETATTR, 1, 0)
+CF_SUBST_IF(["$ac_cv_header_termio_h" = yes], HAVE_TERMIO_H, 1, 0)
+CF_SUBST_IF(["$ac_cv_header_termios_h" = yes], HAVE_TERMIOS_H, 1, 0)
 
 ################################################################################
+test "$use_database" = yes && SUB_MAKEFILES="$SUB_MAKEFILES misc/run_tic.sh:misc/run_tic.in"
+SUB_MAKEFILES="$SUB_MAKEFILES misc/ncurses-config:misc/ncurses-config.in"
 AC_OUTPUT( \
        include/MKterm.h.awk \
-       include/curses.h \
+       include/curses.head:include/curses.h.in \
        include/termcap.h \
        include/unctrl.h \
-       misc/run_tic.sh:misc/run_tic.in \
        $SUB_MAKEFILES \
        Makefile,[
-CF_LIB_RULES
+CF_PRG_RULES([$srcdir/test/mk-test.awk ECHO_LINK="$ECHO_LINK"], test)
+CF_LIB_RULES($SRC_SUBDIRS)
 ],[
 ### Special initialization commands, used to pass information from the
 ### configuration-run into config.status
 
 AWK="$AWK"
-CF_LIST_MODELS="$cf_list_models"
+DFT_ARG_SUFFIX="$DFT_ARG_SUFFIX"
 DFT_LWR_MODEL="$DFT_LWR_MODEL"
+ECHO_LINK="$ECHO_LINK"
 LDCONFIG="$LDCONFIG"
 LIB_NAME="$LIB_NAME"
-LIB_SUFFIX="$LIB_SUFFIX"
 LIB_SUBSETS="$LIB_SUBSETS"
+LIB_SUFFIX="$LIB_SUFFIX"
 LIB_TRACING="$LIB_TRACING"
+MAKE_TERMINFO="$MAKE_TERMINFO"
+NCURSES_MAJOR="$NCURSES_MAJOR"
+NCURSES_MINOR="$NCURSES_MINOR"
+NCURSES_OSPEED="$NCURSES_OSPEED"
+NCURSES_PATCH="$NCURSES_PATCH"
 SRC_SUBDIRS="$SRC_SUBDIRS"
 TERMINFO="$TERMINFO"
+TINFO_ARG_SUFFIX="$TINFO_ARG_SUFFIX"
+TINFO_LIB_SUFFIX="$TINFO_LIB_SUFFIX"
 TINFO_NAME="$TINFO_NAME"
+TINFO_SUFFIX="$TINFO_SUFFIX"
+TICS_ARG_SUFFIX="$TICS_ARG_SUFFIX"
+TICS_LIB_SUFFIX="$TICS_LIB_SUFFIX"
+TICS_NAME="$TICS_NAME"
+WITH_CURSES_H="$with_curses_h"
 WITH_ECHO="$with_echo"
 WITH_OVERWRITE="$with_overwrite"
-WITH_CURSES_H="$with_curses_h"
+cf_LIST_MODELS="$cf_list_models"
 cf_cv_abi_version="$cf_cv_abi_version"
+cf_cv_do_relink="$cf_cv_do_relink"
 cf_cv_do_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=$cf_cv_prog_CXX_c_o
 cf_cv_rel_version="$cf_cv_rel_version"
 cf_cv_rm_so_locs="$cf_cv_rm_so_locs"
+cf_cv_shlib_version="$cf_cv_shlib_version"
+cf_cv_shlib_version_infix="$cf_cv_shlib_version_infix"
 cf_cv_system_name="$cf_cv_system_name"
 cf_with_cxx_binding="$cf_with_cxx_binding"
-cf_cv_shlib_version="$cf_cv_shlib_version"
+host="$host"
 target="$target"
 
-],sort)dnl
+],cat)dnl
 ${MAKE-make} preinstall