2 dnl Configure script for readline library
4 dnl report bugs to chet@po.cwru.edu
6 dnl Process this file with autoconf to produce a configure script.
8 # Copyright (C) 1987-2005 Free Software Foundation, Inc.
10 # This program is free software; you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 2, or (at your option)
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with this program; if not, write to the Free Software
22 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 AC_REVISION([for Readline 5.2, version 2.61])
27 AC_INIT(readline, 5.2, bug-readline@gnu.org)
29 dnl make sure we are using a recent autoconf version
32 AC_CONFIG_SRCDIR(readline.h)
33 AC_CONFIG_AUX_DIR(./support)
34 AC_CONFIG_HEADERS(config.h)
36 dnl update the value of RL_READLINE_VERSION in readline.h when this changes
41 dnl configure defaults
45 dnl arguments to configure
46 AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
47 AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval)
49 if test "$opt_curses" = "yes"; then
53 if test "$opt_purify" = yes; then
59 dnl option parsing for optional features
64 AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
65 AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval)
66 AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval)
68 if test $opt_multibyte = no; then
69 AC_DEFINE(NO_MULTIBYTE_SUPPORT)
72 dnl load up the cross-building cache file -- add more cases and cache
73 dnl files as necessary
75 dnl Note that host and target machine are the same, and different than the
79 if test "x$cross_compiling" = "xyes"; then
82 cross_cache=${srcdir}/cross-build/cygwin.cache
85 cross_cache=${srcdir}/cross-build/mingw.cache
88 cross_cache=${srcdir}/cross-build/x86-beos.cache
90 *) echo "configure: cross-compiling for $host is not supported" >&2
93 if test -n "${cross_cache}" && test -r "${cross_cache}"; then
94 echo "loading cross-build cache file ${cross_cache}"
98 CROSS_COMPILE='-DCROSS_COMPILING'
99 AC_SUBST(CROSS_COMPILE)
103 echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
106 # We want these before the checks, so the checks can modify their values.
107 test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
114 # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
115 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
117 AC_PROG_GCC_TRADITIONAL
119 AC_CHECK_PROG(AR, ar, , ar)
120 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
121 dnl This allows people to set it when running configure or make
122 test -n "$ARFLAGS" || ARFLAGS="cr"
135 AC_CHECK_TYPE(ssize_t, int)
142 AC_CHECK_FUNCS(fcntl kill lstat)
143 AC_CHECK_FUNCS(memmove putenv select setenv setlocale \
144 strcasecmp strpbrk tcgetattr vsnprintf)
145 AC_CHECK_FUNCS(isascii isxdigit)
146 AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
150 AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \
151 limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h)
152 AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h)
154 AC_CHECK_HEADERS(sys/ptem.h,,,
156 #if HAVE_SYS_STREAM_H
157 # include <sys/stream.h>
161 BASH_SYS_SIGNAL_VINTAGE
162 BASH_SYS_REINSTALL_SIGHANDLERS
164 BASH_FUNC_POSIX_SETJMP
167 BASH_FUNC_CTYPE_NONASCII
169 BASH_CHECK_GETPW_FUNCS
178 BASH_STRUCT_DIRENT_D_INO
179 BASH_STRUCT_DIRENT_D_FILENO
183 aix*) prefer_curses=yes ;;
185 BASH_CHECK_LIB_TERMCAP
186 if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
187 if test "$prefer_curses" = yes; then
190 TERMCAP_LIB=-ltermcap #default
197 *cray*) LOCAL_CFLAGS=-DCRAY ;;
198 *s390*) LOCAL_CFLAGS=-fsigned-char ;;
202 isc*) LOCAL_CFLAGS=-Disc386 ;;
205 # shared library configuration section
207 # Shared object configuration section. These values are generated by
208 # ${srcdir}/support/shobj-conf
210 if test -f ${srcdir}/support/shobj-conf; then
211 AC_MSG_CHECKING(configuration for building shared libraries)
212 eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
214 # case "$SHLIB_LIBS" in
215 # *curses*|*termcap*|*termlib*) ;;
216 # *) SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;;
220 AC_SUBST(SHOBJ_CFLAGS)
222 AC_SUBST(SHOBJ_LDFLAGS)
223 AC_SUBST(SHOBJ_XLDFLAGS)
225 AC_SUBST(SHOBJ_STATUS)
226 AC_SUBST(SHLIB_STATUS)
227 AC_SUBST(SHLIB_XLDFLAGS)
229 AC_SUBST(SHLIB_LIBPREF)
230 AC_SUBST(SHLIB_LIBSUFF)
231 AC_SUBST(SHLIB_LIBVERSION)
232 AC_SUBST(SHLIB_DLLVERSION)
234 AC_MSG_RESULT($SHLIB_STATUS)
236 # SHLIB_STATUS is either `supported' or `unsupported'. If it's
237 # `unsupported', turn off any default shared library building
238 if test "$SHLIB_STATUS" = 'unsupported'; then
242 # shared library versioning
243 # quoted for m4 so I can use character classes
244 SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`]
245 SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`]
246 AC_SUBST(SHLIB_MAJOR)
247 AC_SUBST(SHLIB_MINOR)
250 if test "$opt_static_libs" = "yes"; then
252 STATIC_INSTALL_TARGET=install-static
254 if test "$opt_shared_libs" = "yes"; then
256 SHARED_INSTALL_TARGET=install-shared
259 AC_SUBST(STATIC_TARGET)
260 AC_SUBST(SHARED_TARGET)
261 AC_SUBST(STATIC_INSTALL_TARGET)
262 AC_SUBST(SHARED_INSTALL_TARGET)
265 msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file
266 *) BUILD_DIR=`pwd` ;;
270 *\ *) BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
278 AC_SUBST(LOCAL_CFLAGS)
279 AC_SUBST(LOCAL_LDFLAGS)
290 AC_SUBST(TERMCAP_LIB)
292 AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile],
294 # Makefile uses this timestamp file to record whether config.h is up to date.