1dnl 2dnl Configure script for readline library 3dnl 4dnl report bugs to chet@po.cwru.edu 5dnl 6dnl Process this file with autoconf to produce a configure script. 7 8# Copyright (C) 1987-2005 Free Software Foundation, Inc. 9 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) 13# any later version. 14 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. 19 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 23# 02111-1307, USA. 24 25AC_REVISION([for Readline 5.1, version 2.59]) 26 27AC_INIT(readline, 5.1-release, bug-readline@gnu.org) 28 29dnl make sure we are using a recent autoconf version 30AC_PREREQ(2.50) 31 32AC_CONFIG_SRCDIR(readline.h) 33dnl GDB LOCAL 34dnl AC_CONFIG_AUX_DIR(./support) 35AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) 36AC_CONFIG_HEADERS(config.h) 37 38dnl update the value of RL_READLINE_VERSION in readline.h when this changes 39LIBVERSION=5.1 40 41AC_CANONICAL_HOST 42 43dnl configure defaults 44opt_curses=no 45opt_purify=no 46 47dnl arguments to configure 48AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval) 49AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval) 50 51if test "$opt_curses" = "yes"; then 52 prefer_curses=yes 53fi 54 55if test "$opt_purify" = yes; then 56 PURIFY="purify" 57else 58 PURIFY= 59fi 60 61dnl option parsing for optional features 62opt_multibyte=yes 63opt_static_libs=yes 64opt_shared_libs=no 65 66AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval) 67dnl AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval) 68AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval) 69 70if test $opt_multibyte = no; then 71AC_DEFINE(NO_MULTIBYTE_SUPPORT) 72fi 73 74dnl load up the cross-building cache file -- add more cases and cache 75dnl files as necessary 76 77dnl Note that host and target machine are the same, and different than the 78dnl build machine. 79 80CROSS_COMPILE= 81if test "x$cross_compiling" = "xyes"; then 82 case "${host}" in 83 *-cygwin*) 84 cross_cache=${srcdir}/cross-build/cygwin.cache 85 ;; 86 *-mingw*) 87 cross_cache=${srcdir}/cross-build/mingw.cache 88 ;; 89 i[[3456]]86-*-beos*) 90 cross_cache=${srcdir}/cross-build/x86-beos.cache 91 ;; 92 *) echo "configure: cross-compiling for $host is not supported" >&2 93 ;; 94 esac 95 if test -n "${cross_cache}" && test -r "${cross_cache}"; then 96 echo "loading cross-build cache file ${cross_cache}" 97 . ${cross_cache} 98 fi 99 unset cross_cache 100 CROSS_COMPILE='-DCROSS_COMPILING' 101 AC_SUBST(CROSS_COMPILE) 102fi 103 104echo "" 105echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}" 106echo "" 107 108# We want these before the checks, so the checks can modify their values. 109test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1 110 111AC_PROG_MAKE_SET 112AC_PROG_CC 113dnl AC_AIX 114AC_MINIX 115 116dnl BEGIN changes for CYGNUS cross-building for Cygwin 117dnl NOTE: Some of these changes may no longer be necessary. 118 119dnl load up the cross-building cache file -- add more cases and cache 120dnl files as necessary 121if test "x$cross_compiling" = "xyes"; then 122 case "${host}" in 123 *-cygwin*) 124 cross_cache=${srcdir}/cross-build/cygwin.cache 125 LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap" 126 ;; 127 *-mingw32*) 128 cross_cache=${srcdir}/cross-build/mingw.cache 129 ;; 130 *) echo "configure: cross-compiling for a non-cygwin target is not supported" >&2 131 ;; 132 esac 133 134 if test "x$cross_cache" != "x"; then 135 if test -r "${cross_cache}"; then 136 echo "loading cross-build cache file ${cross_cache}" 137 . ${cross_cache} 138 fi 139 unset cross_cache 140 fi 141fi 142 143if test -z "$CC_FOR_BUILD"; then 144 if test "x$cross_compiling" = "xno"; then 145 CC_FOR_BUILD='$(CC)' 146 else 147 CC_FOR_BUILD=gcc 148 fi 149fi 150AC_SUBST(CC_FOR_BUILD) 151 152dnl END changes for CYGNUS cross-building for Cygwin 153 154# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS. 155test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O" 156 157AC_PROG_GCC_TRADITIONAL 158AC_PROG_INSTALL 159AC_CHECK_PROG(AR, ar, , ar) 160dnl Set default for ARFLAGS, since autoconf does not have a macro for it. 161dnl This allows people to set it when running configure or make 162test -n "$ARFLAGS" || ARFLAGS="cr" 163AC_PROG_RANLIB 164 165MAKE_SHELL=/bin/sh 166AC_SUBST(MAKE_SHELL) 167 168AC_C_CONST 169AC_C_PROTOTYPES 170AC_C_CHAR_UNSIGNED 171 172AC_TYPE_SIGNAL 173 174AC_TYPE_SIZE_T 175AC_CHECK_TYPE(ssize_t, int) 176 177AC_HEADER_STDC 178 179AC_HEADER_STAT 180AC_HEADER_DIRENT 181 182AC_CHECK_FUNCS(fcntl kill lstat) 183AC_CHECK_FUNCS(memmove putenv select setenv setlocale \ 184 strcasecmp strpbrk tcgetattr vsnprintf) 185AC_CHECK_FUNCS(isascii isxdigit) 186AC_CHECK_FUNCS(getpwent getpwnam getpwuid) 187 188AC_FUNC_STRCOLL 189 190AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \ 191 limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h) 192AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h) 193 194AC_CHECK_HEADERS(sys/ptem.h,,, 195[[ 196#if HAVE_SYS_STREAM_H 197# include <sys/stream.h> 198#endif 199]]) 200 201BASH_SYS_SIGNAL_VINTAGE 202BASH_SYS_REINSTALL_SIGHANDLERS 203 204BASH_FUNC_POSIX_SETJMP 205BASH_FUNC_LSTAT 206BASH_FUNC_STRCOLL 207BASH_FUNC_CTYPE_NONASCII 208 209BASH_CHECK_GETPW_FUNCS 210 211AC_HEADER_TIOCGWINSZ 212 213BASH_TYPE_SIGHANDLER 214BASH_HAVE_TIOCSTAT 215BASH_HAVE_FIONREAD 216BASH_CHECK_SPEED_T 217BASH_STRUCT_WINSIZE 218BASH_STRUCT_DIRENT_D_INO 219BASH_STRUCT_DIRENT_D_FILENO 220 221dnl yuck 222case "$host_os" in 223aix*) prefer_curses=yes ;; 224esac 225BASH_CHECK_LIB_TERMCAP 226if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then 227 if test "$prefer_curses" = yes; then 228 TERMCAP_LIB=-lcurses 229 else 230 TERMCAP_LIB=-ltermcap #default 231 fi 232fi 233 234BASH_CHECK_MULTIBYTE 235 236case "$host_cpu" in 237*cray*) LOCAL_CFLAGS=-DCRAY ;; 238*s390*) LOCAL_CFLAGS=-fsigned-char ;; 239esac 240 241case "$host_os" in 242isc*) LOCAL_CFLAGS=-Disc386 ;; 243esac 244 245# shared library configuration section 246# 247# Shared object configuration section. These values are generated by 248# ${srcdir}/support/shobj-conf 249# 250if test -f ${srcdir}/support/shobj-conf; then 251 AC_MSG_CHECKING(configuration for building shared libraries) 252 eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}` 253 254# case "$SHLIB_LIBS" in 255# *curses*|*termcap*|*termlib*) ;; 256# *) SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;; 257# esac 258 259 AC_SUBST(SHOBJ_CC) 260 AC_SUBST(SHOBJ_CFLAGS) 261 AC_SUBST(SHOBJ_LD) 262 AC_SUBST(SHOBJ_LDFLAGS) 263 AC_SUBST(SHOBJ_XLDFLAGS) 264 AC_SUBST(SHOBJ_LIBS) 265 AC_SUBST(SHOBJ_STATUS) 266 AC_SUBST(SHLIB_STATUS) 267 AC_SUBST(SHLIB_XLDFLAGS) 268 AC_SUBST(SHLIB_DOT) 269 AC_SUBST(SHLIB_LIBPREF) 270 AC_SUBST(SHLIB_LIBSUFF) 271 AC_SUBST(SHLIB_LIBVERSION) 272 AC_SUBST(SHLIB_DLLVERSION) 273 AC_SUBST(SHLIB_LIBS) 274 AC_MSG_RESULT($SHLIB_STATUS) 275 276 # SHLIB_STATUS is either `supported' or `unsupported'. If it's 277 # `unsupported', turn off any default shared library building 278 if test "$SHLIB_STATUS" = 'unsupported'; then 279 opt_shared_libs=no 280 fi 281 282 # shared library versioning 283 # quoted for m4 so I can use character classes 284 SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`] 285 SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`] 286 AC_SUBST(SHLIB_MAJOR) 287 AC_SUBST(SHLIB_MINOR) 288fi 289 290if test "$opt_static_libs" = "yes"; then 291 STATIC_TARGET=static 292 STATIC_INSTALL_TARGET=install-static 293fi 294if test "$opt_shared_libs" = "yes"; then 295 SHARED_TARGET=shared 296 SHARED_INSTALL_TARGET=install-shared 297fi 298 299AC_SUBST(STATIC_TARGET) 300AC_SUBST(SHARED_TARGET) 301AC_SUBST(STATIC_INSTALL_TARGET) 302AC_SUBST(SHARED_INSTALL_TARGET) 303 304case "$host_os" in 305msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file 306*) BUILD_DIR=`pwd` ;; 307esac 308 309case "$BUILD_DIR" in 310*\ *) BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;; 311*) ;; 312esac 313 314AC_SUBST(PURIFY) 315AC_SUBST(BUILD_DIR) 316 317AC_SUBST(CFLAGS) 318AC_SUBST(LOCAL_CFLAGS) 319AC_SUBST(LOCAL_LDFLAGS) 320AC_SUBST(LOCAL_DEFS) 321 322AC_SUBST(AR) 323AC_SUBST(ARFLAGS) 324 325AC_SUBST(host_cpu) 326AC_SUBST(host_os) 327 328AC_SUBST(LIBVERSION) 329 330AC_SUBST(TERMCAP_LIB) 331 332AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile], 333[ 334# Makefile uses this timestamp file to record whether config.h is up to date. 335echo > stamp-h 336]) 337