ncurses 4.2
[ncurses.git] / configure.in
index 3e202a79534c73bc322ac130d29f307113167973..4ccaceeedab424e368b233533428457d2f2bad00 100644 (file)
@@ -1,30 +1,46 @@
-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 (c) 1998 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 <dickey@clark.net> 1996,1997
+dnl
+dnl $Id: configure.in,v 1.126 1998/02/12 23:10:43 tom Exp $
 dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.12)
-AC_REVISION($Revision: 1.64 $)
+AC_PREREQ(2.12.971222)
+AC_REVISION($Revision: 1.126 $)
 AC_INIT(ncurses/lib_initscr.c)
+AC_CONFIG_HEADER(include/ncurses_cfg.h:include/ncurses_cfg.hin)
 
-NC_VERSION
-NC_SYSTYPE
+CF_SUBST_NCURSES_VERSION
+CF_CHECK_CACHE
+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.
@@ -44,7 +60,6 @@ AC_ARG_ENABLE(add-ons, dnl
 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
@@ -54,30 +69,13 @@ if test -f $srcdir/../glibcbug.in; then
                's/^[   ]*ncurses-version[      ]*=[    ]*\([^  ^ ]*\)[         ]*$/\1/'`" > $srcdir/Banner
   exit 0
 fi
-fi
 changequote([,])dnl
 
 ###    Save the given $CFLAGS to allow user-override.
-nc_user_CFLAGS="$CFLAGS"
-
-###    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 $nc_cv_system_name")
-
-if test ".$system_name" != ".$nc_cv_system_name" ; then
-       AC_MSG_RESULT("Cached system name does not agree with actual")
-       AC_ERROR("Please remove config.cache and try again.")
-fi
+cf_user_CFLAGS="$CFLAGS"
 
 ###    Default install-location
-NC_CFG_DEFAULTS
+CF_CFG_DEFAULTS
 
 ###    Checks for programs.
 AC_PROG_CC
@@ -88,21 +86,41 @@ fi
 AC_PROG_CPP
 AC_PROG_GCC_TRADITIONAL
 AC_ISC_POSIX
+AC_PATH_PROG(LDCONFIG,ldconfig,,$PATH:/sbin:/usr/sbin)
 
 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 build with C++)
 AC_ARG_WITH(cxx,
-       [  --without-cxx           suppress check for C++])
-if test "X$withval" != Xno ; then
+       [  --without-cxx           suppress check for C++, don't build demo],
+       [cf_with_cxx=$withval],
+       [cf_with_cxx=yes])
+AC_MSG_RESULT($cf_with_cxx)
+if test "X$cf_with_cxx" != 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
+if test -n "$GXX" ; then case "`${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
+
+AC_MSG_CHECKING(if you want to build programs such as tic)
+AC_ARG_WITH(progs,
+       [  --without-progs         suppress build with programs (e.g., tic)],
+       [cf_with_progs=$withval],
+       [cf_with_progs=yes])
+AC_MSG_RESULT($cf_with_progs)
+
+modules_to_build="ncurses"
+if test "X$cf_with_progs" != Xno ; then
+modules_to_build="$modules_to_build progs tack"
+fi
+modules_to_build="$modules_to_build panel menu form"
+
 AC_PROG_AWK
 AC_PROG_MAKE_SET
-NC_PROG_INSTALL
+CF_PROG_INSTALL
+AC_SYS_LONG_FILE_NAMES
 AC_PROG_LN_S
 AC_PROG_RANLIB
 AC_CHECK_PROGS(LINT, tdlint lint alint)
@@ -110,16 +128,17 @@ AC_CHECK_PROGS(MAN, man man_db)
 AC_SUBST(LINT_OPTS)
 
 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)
+CF_SUBST(loader,LD,ld)
+CF_SUBST(archiver,AR,ar)
+CF_SUBST(archiver options,AR_OPTS,rv)
 
-NC_MAKEFLAGS
-NC_MAN_PAGES
+CF_MAKEFLAGS
+CF_MAN_PAGES
 
 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],
        [case "$withval" in #(vi
@@ -128,67 +147,122 @@ AC_ARG_WITH(install-prefix,
        *)      INSTALL_PREFIX="$withval"
                ;;
        esac])
+AC_MSG_RESULT($INSTALL_PREFIX)
 AC_SUBST(INSTALL_PREFIX)
 
+###############################################################################
+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.
-nc_list_models=""
+cf_list_models=""
+
+AC_MSG_CHECKING(if you want to build 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 "$with_shared" = "yes" && cf_list_models="$cf_list_models shared"
+
+AC_MSG_CHECKING(if you want to build static libraries)
 AC_ARG_WITH(normal,
        [  --with-normal           generate normal-libraries (default)],
-       [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($with_normal)
+test "$with_normal" = "yes" && cf_list_models="$cf_list_models normal"
+
+AC_MSG_CHECKING(if you want to build debug libraries)
 AC_ARG_WITH(debug,
        [  --with-debug            generate debug-libraries (default)],
-       [test "$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 "$with_debug" = "yes" && cf_list_models="$cf_list_models debug"
+
+AC_MSG_CHECKING(if you want to build profiling libraries)
 AC_ARG_WITH(profile,
        [  --with-profile          generate profile-libraries],
-       [test "$withval" = "yes" && nc_list_models="$nc_list_models profile"])
+       [with_profile=$withval],
+       [with_profile=no])
+AC_MSG_RESULT($with_profile)
+test "$with_profile" = "yes" && cf_list_models="$cf_list_models profile"
+
+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)
 
 ### 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],
-       [AC_CHECK_LIB(dbmalloc,debug_malloc)])
+       [with_dbmalloc=yes],
+       [with_dbmalloc=no])
+AC_MSG_RESULT($with_dbmalloc)
+if test $with_dbmalloc = yes ; then
+       AC_CHECK_LIB(dbmalloc,debug_malloc)
+fi
+
+AC_MSG_CHECKING(if you want to link with dmalloc for testing)
 AC_ARG_WITH(dmalloc,
        [  --with-dmalloc          test: use Gray Watson's dmalloc library],
-       [AC_CHECK_LIB(dmalloc,dmalloc_debug)])
+       [with_dmalloc=yes],
+       [with_dmalloc=no])
+AC_MSG_RESULT($with_dmalloc)
+if test $with_dmalloc = yes ; then
+       AC_CHECK_LIB(dmalloc,dmalloc_debug)
+fi
+
+AC_MSG_CHECKING(if you want to link with the gpm mouse library)
 AC_ARG_WITH(gpm,
        [  --with-gpm              use Alessandro Rubini's GPM library],
-       [AC_CHECK_LIB(gpm,Gpm_Open,[
+       [with_gpm=yes],
+       [with_gpm=no])
+AC_MSG_RESULT($with_gpm)
+if test $with_gpm = yes ; then
+       AC_CHECK_LIB(gpm,Gpm_Open,[
                EXTRA_LIBS="$EXTRA_LIBS -lgpm -lncurses"
+               SHLIB_LIST="$SHLIB_DEPS -lgpm "
                AC_DEFINE(HAVE_LIBGPM)
                AC_CHECK_HEADERS(gpm.h)
-       ],,-lcurses -ltermcap)])
+       ],,-lcurses -ltermcap)
+fi
 
 AC_SUBST(EXTRA_LIBS)
+AC_SUBST(SHLIB_LIST)
 
 AC_MSG_CHECKING(for specified models)
-test -z "$nc_list_models" && nc_list_models=normal
-AC_MSG_RESULT($nc_list_models)
+test -z "$cf_list_models" && cf_list_models=normal
+AC_MSG_RESULT($cf_list_models)
 
 ### 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
+DFT_LWR_MODEL=`echo $cf_list_models | $AWK '{print $1}'`
+CF_UPPER(DFT_UPR_MODEL,$DFT_LWR_MODEL)dnl
+CF_LIB_SUFFIX($DFT_LWR_MODEL,DFT_DEP_SUFFIX)dnl
+CF_LIB_TYPE($DFT_LWR_MODEL,DFT_ARG_SUFFIX)dnl
+CF_OBJ_SUBDIR($DFT_LWR_MODEL,DFT_OBJ_SUBDIR)dnl
 AC_SUBST(DFT_OBJ_SUBDIR)dnl    the default object-directory ("obj")
 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")
+AC_SUBST(cf_list_models)dnl    the complete list of models ("normal debug")
+
+TINFO_NAME=tinfo
+AC_SUBST(TINFO_NAME)
 
 LIB_NAME=ncurses
 AC_SUBST(LIB_NAME)
 
 LIB_DIR=../lib
-LIB_PREFIX=$LIB_DIR/lib
+CF_LIB_PREFIX(cf_prefix)
+LIB_PREFIX=$LIB_DIR/$cf_prefix
 AC_SUBST(LIB_PREFIX)
 
 dnl Not all ports of gcc support the -g option
@@ -213,19 +287,29 @@ profile) LD_MODEL='-pg';;
 shared)  LD_MODEL=''   ;;
 esac
 AC_SUBST(LD_MODEL)dnl          the type of link (e.g., -g or -pg)
-NC_SHARED_OPTS
+
+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)
+
+CF_SHARED_OPTS
 
 if test "$CC_SHARED_OPTS" = "unknown"; then
-       for model in $nc_list_models; do
+       for model in $cf_list_models; do
                if test "$model" = "shared"; then
-                       echo '** Shared libraries are not supported in this version'
-                       exit 1
+                       AC_ERROR(Shared libraries are not supported in this version)
                fi
        done
 fi
 
+###############################################################################
+CF_HELP_MESSAGE(Fine-Tuning Your Configuration:)
+
 ###    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,
        [  --disable-overwrite     leave out the link to -lcurses],
        [with_overwrite=$enableval
@@ -234,8 +318,41 @@ AC_ARG_ENABLE(overwrite,
                includedir='$(prefix)/include/ncurses'
        ],
        [with_overwrite=yes])
+AC_MSG_RESULT($with_overwrite)
+AC_MSG_CHECKING(where we will install curses.h)
 AC_MSG_RESULT($includedir)
 
+AC_MSG_CHECKING(if external terminfo-database is used)
+AC_ARG_ENABLE(database,
+       [  --disable-database      use only built-in data],
+       [with_database=$enableval],
+       [with_database=yes])
+AC_MSG_RESULT($with_database)
+test $with_database != no && AC_DEFINE(USE_DATABASE)
+
+AC_MSG_CHECKING(if you want to build with function extensions)
+AC_ARG_ENABLE(ext-funcs,
+       [  --disable-ext-funcs     disable function-extensions],
+       [with_ext_funcs=$enableval],
+       [with_ext_funcs=yes])
+AC_MSG_RESULT($with_ext_funcs)
+test "$with_ext_funcs" = yes && AC_DEFINE(NCURSES_EXT_FUNCS)
+
+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)
+FALLBACK_LIST=`echo $with_fallback|sed -e 's/,/ /'`
+AC_SUBST(FALLBACK_LIST)
+
+if test $with_database = no ; then
+       if test -z $with_fallback ; then
+               AC_ERROR(You have disabled the database w/o specifying fallbacks)
+       fi
+fi
+
 ###    use option --enable-big-core to make tic run faster on big machines
 AC_MSG_CHECKING(if big-core option selected)
 AC_ARG_ENABLE(big-core,
@@ -246,7 +363,7 @@ AC_MSG_RESULT($with_big_core)
 test "$with_big_core" = "yes" && AC_DEFINE(HAVE_BIG_CORE)
 
 ###    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=$enableval],
@@ -276,13 +393,46 @@ test "$with_getcap_cache" = "yes" && AC_DEFINE(USE_GETCAP_CACHE)
 
 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,
+###   Use option --enable-symlinks to make tic use symlinks, not hard links
+###   to reduce storage requirements for the terminfo database.
+###
+###   Most Unix systems have both link and symlink, a few don't have symlink.
+###   A few non-Unix systems implement symlink, but not link.
+###   A few non-systems implement neither.
+
+AC_CHECK_FUNCS( \
+       link \
+       symlink )
+
+with_links=no
+with_symlinks=no
+
+if test "$ac_cv_func_link" != yes ; then
+    AC_MSG_CHECKING(if tic should use symbolic links)
+    if test "$ac_cv_func_symlink" = yes ; then
+       with_symlinks=yes
+    else
+       with_symlinks=no
+    fi
+    AC_MSG_RESULT($with_symlinks)
+elif test "$ac_cv_func_symlink" != yes ; then
+    AC_MSG_CHECKING(if tic should use hard links)
+    if test "$ac_cv_func_link" = yes ; then
+       with_links=yes
+    else
+       with_links=no
+    fi
+    AC_MSG_RESULT($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)
+    AC_MSG_RESULT($with_symlinks)
+fi
+
+test "$with_links" = yes && AC_DEFINE(USE_LINKS)
 test "$with_symlinks" = yes && AC_DEFINE(USE_SYMLINKS)
 
 ###   use option --enable-bsdpad to have tputs process BSD-style prefix padding
@@ -306,15 +456,89 @@ test "$with_ext_const" = yes && AC_DEFINE(NCURSES_CONST,const)
 ### Enable compiling-in rcs id's
 AC_MSG_CHECKING(if RCS identifiers should be compiled-in)
 AC_ARG_WITH(rcs-ids,
-       [  --with-rcs-ids          build: compile-in RCS identifiers],
+       [  --with-rcs-ids          compile-in RCS identifiers],
        [with_rcs_ids=$enableval],
        [with_rcs_ids=no])
 AC_MSG_RESULT($with_rcs_ids)
 test "$with_rcs_ids" = yes && AC_DEFINE(USE_RCS_IDS)
 
+###############################################################################
+CF_HELP_MESSAGE(Experimental Code:)
+AC_MSG_CHECKING(if you want all experimental code)
+AC_ARG_WITH(develop,
+       [  --with-develop          enable all experimental options for testing],
+       [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 experimental hard-tabs code)
+AC_ARG_ENABLE(hard-tabs,
+       [  --enable-hard-tabs      compile with experimental hard-tabs code],
+       [with_hardtabs=$enableval],
+       [with_hardtabs=$with_develop])
+AC_MSG_RESULT($with_hardtabs)
+test "$with_hardtabs" = yes && AC_DEFINE(USE_HARD_TABS)
+
+###   use option --enable-hashmap to turn on use of hashmap scrolling logic
+AC_MSG_CHECKING(if you want experimental hashmap code)
+AC_ARG_ENABLE(hashmap,
+       [  --enable-hashmap        compile with experimental hashmap code],
+       [with_hashmap=$enableval],
+       [with_hashmap=$with_develop])
+AC_MSG_RESULT($with_hashmap)
+test "$with_hashmap" = yes && AC_DEFINE(USE_HASHMAP)
+
+AC_MSG_CHECKING(if you want experimental safe-sprintf code)
+AC_ARG_ENABLE(safe-sprintf,
+       [  --disable-safe-sprintf  compile with experimental safe-sprintf code],
+       [with_safe_sprintf=$enableval],
+       [with_safe_sprintf=no])
+AC_MSG_RESULT($with_safe_sprintf)
+test "$with_safe_sprintf" = yes && AC_DEFINE(USE_SAFE_SPRINTF)
+
+###   use option --disable-scroll-hints to turn off use of scroll-hints scrolling logic
+AC_MSG_CHECKING(if you want to experiment without scrolling-hints code)
+AC_ARG_ENABLE(scroll-hints,
+       [  --disable-scroll-hints  compile hashmap without scroll-hints code],
+       [with_scroll_hints=$enableval],
+       [with_scroll_hints=yes])
+AC_MSG_RESULT($with_scroll_hints)
+test "$with_scroll_hints" = yes && AC_DEFINE(USE_SCROLL_HINTS)
+
+###   use option --enable-sigwinch to turn on use of SIGWINCH logic
+AC_MSG_CHECKING(if you want experimental SIGWINCH handler)
+AC_ARG_ENABLE(sigwinch,
+       [  --enable-sigwinch       compile with experimental SIGWINCH handler],
+       [with_sigwinch=$enableval],
+       [with_sigwinch=$with_develop])
+AC_MSG_RESULT($with_sigwinch)
+test "$with_sigwinch" = yes && AC_DEFINE(USE_SIGWINCH)
+
+###   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 code],
+       [with_widec=$enableval],
+       [with_widec=no])
+AC_MSG_RESULT($with_widec)
+test "$with_widec" = yes && AC_DEFINE(USE_WIDEC_SUPPORT)
+
+###   use option --enable-xmc-glitch to turn on use of magic-cookie optimize
+AC_MSG_CHECKING(if you want experimental xmc code)
+AC_ARG_ENABLE(xmc-glitch,
+       [  --enable-xmc-glitch     compile with experimental xmc code],
+       [with_xmc_glitch=$enableval],
+       [with_xmc_glitch=$with_develop])
+AC_MSG_RESULT($with_xmc_glitch)
+test "$with_xmc_glitch" = yes && AC_DEFINE(USE_XMC_SUPPORT)
+
+###############################################################################
+CF_HELP_MESSAGE(Testing/development Options:)
+
 ###    use option --disable-echo to suppress full display compiling commands
 AC_ARG_ENABLE(echo,
-       [  --enable-echo           build: display \"compiling\" commands (default)],
+       [  --enable-echo           build: display "compiling" commands (default)],
        [with_echo=$enableval],
        [with_echo=yes])
 if test "$with_echo" = yes; then
@@ -330,18 +554,20 @@ AC_ARG_ENABLE(warnings,
        [with_warnings=$enableval])
 if test -n "$with_warnings"; then
        ADAFLAGS="$ADAFLAGS -gnatg"
-       NC_GCC_WARNINGS
+       CF_GCC_WARNINGS
 fi
-NC_GCC_ATTRIBUTES
+CF_GCC_ATTRIBUTES
 
 ###    use option --enable-assertions to 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])
 if test -n "$GCC"
 then
-       if test -z "$with_assertions"
+       if test $with_assertions = no
        then
+               AC_DEFINE(NDEBUG)
                CPPFLAGS="$CPPFLAGS -DNDEBUG"
        else
                ADAFLAGS="$ADAFLAGS -gnata"
@@ -367,14 +593,20 @@ AC_ARG_ENABLE(macros,
 ###    Checks for libraries.
 AC_CHECK_FUNC(gettimeofday,
        AC_DEFINE(HAVE_GETTIMEOFDAY),[
+
 AC_CHECK_LIB(bsd, gettimeofday,
        AC_DEFINE(HAVE_GETTIMEOFDAY)
        LIBS="$LIBS -lbsd")])dnl CLIX: bzero, select, gettimeofday
 
+MATH_LIB=""
+AC_CHECK_FUNC(sin,,
+       AC_CHECK_LIB(m, sin,[MATH_LIB="-lm"]))
+AC_SUBST(MATH_LIB)
+
 ###    Checks for header files.
 AC_STDC_HEADERS
 AC_HEADER_DIRENT
-NC_REGEX
+CF_REGEX
 
 dnl These are some other potentially nonportable headers.
 AC_CHECK_HEADERS( \
@@ -398,20 +630,31 @@ unistd.h \
 values.h \
 )
 
-# check for HPUX's ANSI compiler
-if test $nc_cv_systype = HP_UX; then
-if test -z "$GCC"; then
+PROG_EXT=
+case $cf_cv_system_name in
+hpux*)
+    # check for HPUX's ANSI compiler
+    if test -z "$GCC"; then
        AC_MSG_CHECKING([for HP/UX ANSI compiler])
-       nc_save_CFLAGS="$CFLAGS"
+       cf_save_CFLAGS="$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 $nc_hpux_cc = yes; then
+       AC_TRY_COMPILE([],[void (*f)(void)=0],[cf_hpux_cc=yes],[cf_hpux_cc=no])
+       AC_MSG_RESULT($cf_hpux_cc)
+       if test $cf_hpux_cc = yes; then
                AC_DEFINE(_HPUX_SOURCE)
        else
-               CFLAGS="$nc_save_CFLAGS"
+               CFLAGS="$cf_save_CFLAGS"
        fi
-fi;fi
+    fi
+    ;;
+os2*)
+    # We make sure -Zexe is not used -- it would interfere with @PROG_EXT@
+    CFLAGS="$CFLAGS -Zmt -D__ST_MT_ERRNO__"
+    LDFLAGS=`echo "$LDFLAGS -Zmt -Zcrtdll" | sed "s/-Zexe//g"`
+    PROG_EXT=".exe"
+    ;;
+esac
+AC_SUBST(PROG_EXT)
 
 # check for ISC (this may also define _POSIX_SOURCE)
 # Note: even non-Posix ISC needs <sys/bsdtypes.h> to declare fd_set
@@ -421,15 +664,7 @@ if test "$ISC" = yes ; then
        AC_CHECK_HEADERS( sys/termio.h )
 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
@@ -437,17 +672,21 @@ AC_C_CONST
 AC_C_INLINE
 test $ac_cv_c_inline != no && AC_DEFINE(CC_HAS_INLINE_FUNCS)
 
+CF_TYPEOF_CHTYPE
+CF_WIDEC_SHIFT
+
 ###    Checks for external-data
-NC_ERRNO
-NC_SYS_ERRLIST
-NC_LINK_DATAONLY
-NC_SPEED_TYPE
+CF_ERRNO
+CF_LINK_DATAONLY
+CF_SPEED_TYPE
 
 ###    Checks for library functions.
 AC_CHECK_FUNCS( \
 getttynam \
 memccpy \
+nanosleep \
 poll \
+remove \
 select \
 setbuf \
 setbuffer \
@@ -459,39 +698,17 @@ tcgetattr \
 times \
 usleep \
 vfscanf \
+vsnprintf \
 vsscanf \
 )
 
-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 "$with_getcap" = "yes" ; then
+       CF_CGETENT
 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)
-       fi
-fi
+CF_ISASCII
+CF_STRUCT_SIGACTION
+CF_STRUCT_TERMIOS
 
 dnl FIXME (may need this) AC_SYS_RESTARTABLE_SYSCALLS
 if test "$cross_compiling" = yes ; then
@@ -500,20 +717,20 @@ else
        AC_FUNC_SETVBUF_REVERSED
 fi
 AC_TYPE_SIGNAL
-NC_TYPE_SIGACTION
-NC_TIOCGWINSZ
+CF_TYPE_SIGACTION
+CF_SIZECHANGE
 
 dnl FIXME checks we don't do (but neither does the old Configure script):
-case "$nc_cv_systype" in
-Linux)
+case "$cf_cv_system_name" in
+linux*)
        AC_DEFINE(GOOD_SELECT)
        ;;
 esac
 
 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" ; then
+       CF_STRIP_G_OPT(CFLAGS)
+       CF_STRIP_G_OPT(CXXFLAGS)
 fi
 
 dnl Check for C++ compiler characteristics (and ensure that it's there!)
@@ -524,25 +741,27 @@ else
 fi
 if test "$ac_cv_prog_CXX_EXISTS" = yes; then
        AC_LANG_CPLUSPLUS
-       NC_CXX_LIBRARY
+       CF_CXX_LIBRARY
        AC_CHECK_HEADERS(builtin.h typeinfo)
-       NC_BOOL_DECL
-       NC_BOOL_SIZE
+       CF_BOOL_DECL
+       CF_BOOL_SIZE
 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
+       AC_CACHE_VAL(cf_cv_builtin_bool,[cf_cv_builtin_bool=0])
+       AC_CACHE_VAL(cf_cv_sizeof_bool,[cf_cv_sizeof_bool=int])
 fi
 AC_SUBST(CXXLIBS)
 
+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.
-nc_ada_make=gnatmake
-AC_CHECK_PROG(gnat_exists, $nc_ada_make, yes, no)
+cf_ada_make=gnatmake
+AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
 if test "$ac_cv_prog_gnat_exists" = no; then
-   nc_ada_make=
+   cf_ada_make=
 else
-   NC_GNAT_VERSION
+   CF_GNAT_VERSION
    AC_CHECK_PROG(m4_exists, m4, yes, no)
    if test "$ac_cv_prog_m4_exists" = no; then
       ac_cv_prog_gnat_correct=no
@@ -550,12 +769,30 @@ else
    fi
 fi
 if test        "$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)
+   ADAFLAGS="-O3 $ADAFLAGS"
+   cf_ada_compiler=gcc
+   cf_ada_package=terminal_interface
+
+   AC_SUBST(cf_ada_make)
+   AC_SUBST(cf_ada_compiler)
+   AC_SUBST(cf_ada_package)
    AC_SUBST(ADAFLAGS)
+   AC_SUBST(cf_compile_generics)
+
+   CF_WITH_PATH(ada-include,
+       [  --with-ada-include=DIR  Ada includes are in DIR],
+       ADA_INCLUDE,
+       EPREFIX/ada_include,
+       [$]exec_prefix/ada_include)
+   AC_SUBST(ADA_INCLUDE)
+
+   CF_WITH_PATH(ada-objects,
+       [  --with-ada-objects=DIR  Ada objects are in DIR],
+       ADA_OBJECTS,
+       EPREFIX/ada_objects,
+       [$]exec_prefix/ada_objects)
+   AC_SUBST(ADA_OBJECTS)
+
 fi
 
 ### It's not possible to appease gcc 2.6.3's conversion-warnings if we're
@@ -565,94 +802,81 @@ 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="$nc_warn_CFLAGS -Wconversion"
+                       if test "$cf_cv_sizeof_bool" != "char"; then
+                               EXTRA_CFLAGS="$EXTRA_CFLAGS -Wconversion"
                        fi
                        ;;
                2.5*)
-                       nc_warn_CFLAGS="$nc_warn_CFLAGS -Wconversion"
+                       EXTRA_CFLAGS="$EXTRA_CFLAGS -Wconversion"
                        ;;
                esac
        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 "$with_termlib" = yes ; then
+       LIB_SUBSETS="termlib "
+else
+       LIB_SUBSETS="termlib+"
+fi
+LIB_SUBSETS="${LIB_SUBSETS}base"
+test "$with_ext_funcs" = yes && LIB_SUBSETS="${LIB_SUBSETS}+ext_funcs"
+AC_MSG_RESULT($LIB_SUBSETS)
+
 ### Construct the list of include-directories to be generated
-NC_INCLUDE_DIRS
-NC_ADA_INCLUDE_DIRS
+CF_INCLUDE_DIRS
+CF_ADA_INCLUDE_DIRS
+
+### Set up low-level terminfo dependencies for makefiles.  Note that we
+### could override this.
+if test "$with_termlib" = yes ; then
+       TEST_DEPS="${LIB_PREFIX}${TINFO_NAME}${DFT_DEP_SUFFIX}"
+       TEST_ARGS="-l${TINFO_NAME}${DFT_ARG_SUFFIX}"
+fi
+PROG_DEPS="$TEST_DEPS"
+PROG_ARGS="$TEST_ARGS"
 
 ### 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)
+CF_DIRS_TO_MAKE
 
 ### Now that we're done running tests, add the compiler-warnings, if any
-CFLAGS="$CFLAGS $nc_warn_CFLAGS"
+CFLAGS="$CFLAGS $EXTRA_CFLAGS"
 
 ################################################################################
-changequote({,})dnl
-AC_OUTPUT(include/config_h \
+AC_OUTPUT( \
        include/MKterm.h.awk \
        include/curses.h \
        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,[
+CF_LIB_RULES
+],[
 ### 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=$AWK
+AWK="$AWK"
+CF_LIST_MODELS="$cf_list_models"
 DFT_LWR_MODEL="$DFT_LWR_MODEL"
-NC_LIST_MODELS="$nc_list_models"
+LDCONFIG="$LDCONFIG"
+LIB_NAME="$LIB_NAME"
+LIB_SUBSETS="$LIB_SUBSETS"
+SRC_SUBDIRS="$SRC_SUBDIRS"
+TINFO_NAME="$TINFO_NAME"
 WITH_ECHO="$with_echo"
 WITH_OVERWRITE="$with_overwrite"
-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="$nc_cv_rm_so_locs"
-
-})dnl
-changequote([,])dnl
-make preinstall
+cf_cv_abi_version="$cf_cv_abi_version"
+cf_cv_do_symlinks="$cf_cv_do_symlinks"
+cf_cv_rel_version="$cf_cv_rel_version"
+cf_cv_rm_so_locs="$cf_cv_rm_so_locs"
+cf_cv_system_name="$cf_cv_system_name"
+cf_cxx_library="$cf_cxx_library"
+target="$target"
+
+],sort)dnl
+${MAKE-make} preinstall