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 27m4_include([../config/override.m4]) 28 29AC_INIT(readline, 5.1-release, bug-readline@gnu.org) 30 31dnl make sure we are using a recent autoconf version 32AC_PREREQ(2.50) 33 34AC_CONFIG_SRCDIR(readline.h) 35dnl GDB LOCAL 36dnl AC_CONFIG_AUX_DIR(./support) 37AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) 38AC_CONFIG_HEADERS(config.h) 39 40dnl update the value of RL_READLINE_VERSION in readline.h when this changes 41LIBVERSION=5.1 42 43AC_CANONICAL_HOST 44 45dnl configure defaults 46opt_curses=no 47opt_purify=no 48 49dnl arguments to configure 50AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval) 51AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval) 52 53if test "$opt_curses" = "yes"; then 54 prefer_curses=yes 55fi 56 57if test "$opt_purify" = yes; then 58 PURIFY="purify" 59else 60 PURIFY= 61fi 62 63dnl option parsing for optional features 64opt_multibyte=yes 65opt_static_libs=yes 66opt_shared_libs=no 67 68AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval) 69dnl AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval) 70AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval) 71 72if test $opt_multibyte = no; then 73AC_DEFINE(NO_MULTIBYTE_SUPPORT) 74fi 75 76dnl load up the cross-building cache file -- add more cases and cache 77dnl files as necessary 78 79dnl Note that host and target machine are the same, and different than the 80dnl build machine. 81 82CROSS_COMPILE= 83if test "x$cross_compiling" = "xyes"; then 84 case "${host}" in 85 *-cygwin*) 86 cross_cache=${srcdir}/cross-build/cygwin.cache 87 ;; 88 *-mingw*) 89 cross_cache=${srcdir}/cross-build/mingw.cache 90 ;; 91 i[[3456]]86-*-beos*) 92 cross_cache=${srcdir}/cross-build/x86-beos.cache 93 ;; 94 *) echo "configure: cross-compiling for $host is not supported" >&2 95 ;; 96 esac 97 if test -n "${cross_cache}" && test -r "${cross_cache}"; then 98 echo "loading cross-build cache file ${cross_cache}" 99 . ${cross_cache} 100 fi 101 unset cross_cache 102 CROSS_COMPILE='-DCROSS_COMPILING' 103 AC_SUBST(CROSS_COMPILE) 104fi 105 106echo "" 107echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}" 108echo "" 109 110# We want these before the checks, so the checks can modify their values. 111test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1 112 113AC_PROG_MAKE_SET 114AC_PROG_CC 115dnl AC_AIX 116AC_MINIX 117 118dnl BEGIN changes for CYGNUS cross-building for Cygwin 119dnl NOTE: Some of these changes may no longer be necessary. 120 121dnl load up the cross-building cache file -- add more cases and cache 122dnl files as necessary 123if test "x$cross_compiling" = "xyes"; then 124 case "${host}" in 125 *-cygwin*) 126 cross_cache=${srcdir}/cross-build/cygwin.cache 127 LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap" 128 ;; 129 *-mingw32*) 130 cross_cache=${srcdir}/cross-build/mingw.cache 131 ;; 132 *) echo "configure: cross-compiling for a non-cygwin target is not supported" >&2 133 ;; 134 esac 135 136 if test "x$cross_cache" != "x"; then 137 if test -r "${cross_cache}"; then 138 echo "loading cross-build cache file ${cross_cache}" 139 . ${cross_cache} 140 fi 141 unset cross_cache 142 fi 143fi 144 145if test -z "$CC_FOR_BUILD"; then 146 if test "x$cross_compiling" = "xno"; then 147 CC_FOR_BUILD='$(CC)' 148 else 149 CC_FOR_BUILD=gcc 150 fi 151fi 152AC_SUBST(CC_FOR_BUILD) 153 154dnl END changes for CYGNUS cross-building for Cygwin 155 156# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS. 157test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O" 158 159AC_PROG_GCC_TRADITIONAL 160AC_PROG_INSTALL 161AC_CHECK_PROG(AR, ar, , ar) 162dnl Set default for ARFLAGS, since autoconf does not have a macro for it. 163dnl This allows people to set it when running configure or make 164test -n "$ARFLAGS" || ARFLAGS="cr" 165AC_PROG_RANLIB 166 167MAKE_SHELL=/bin/sh 168AC_SUBST(MAKE_SHELL) 169 170AC_C_CONST 171AC_C_PROTOTYPES 172AC_C_CHAR_UNSIGNED 173 174AC_TYPE_SIGNAL 175 176AC_TYPE_SIZE_T 177AC_CHECK_TYPE(ssize_t, int) 178 179AC_HEADER_STDC 180 181AC_HEADER_STAT 182AC_HEADER_DIRENT 183 184AC_CHECK_FUNCS(fcntl kill lstat) 185AC_CHECK_FUNCS(memmove putenv select setenv setlocale \ 186 strcasecmp strpbrk tcgetattr vsnprintf) 187AC_CHECK_FUNCS(isascii isxdigit) 188AC_CHECK_FUNCS(getpwent getpwnam getpwuid) 189 190AC_FUNC_STRCOLL 191 192AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \ 193 limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h) 194AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h) 195 196AC_CHECK_HEADERS(sys/ptem.h,,, 197[[ 198#if HAVE_SYS_STREAM_H 199# include <sys/stream.h> 200#endif 201]]) 202 203BASH_SYS_SIGNAL_VINTAGE 204BASH_SYS_REINSTALL_SIGHANDLERS 205 206BASH_FUNC_POSIX_SETJMP 207BASH_FUNC_LSTAT 208BASH_FUNC_STRCOLL 209BASH_FUNC_CTYPE_NONASCII 210 211BASH_CHECK_GETPW_FUNCS 212 213AC_HEADER_TIOCGWINSZ 214 215BASH_TYPE_SIGHANDLER 216BASH_HAVE_TIOCSTAT 217BASH_HAVE_FIONREAD 218BASH_CHECK_SPEED_T 219BASH_STRUCT_WINSIZE 220BASH_STRUCT_DIRENT_D_INO 221BASH_STRUCT_DIRENT_D_FILENO 222 223dnl yuck 224case "$host_os" in 225aix*) prefer_curses=yes ;; 226esac 227BASH_CHECK_LIB_TERMCAP 228if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then 229 if test "$prefer_curses" = yes; then 230 TERMCAP_LIB=-lcurses 231 else 232 TERMCAP_LIB=-ltermcap #default 233 fi 234fi 235 236BASH_CHECK_MULTIBYTE 237 238case "$host_cpu" in 239*cray*) LOCAL_CFLAGS=-DCRAY ;; 240*s390*) LOCAL_CFLAGS=-fsigned-char ;; 241esac 242 243case "$host_os" in 244isc*) LOCAL_CFLAGS=-Disc386 ;; 245esac 246 247# shared library configuration section 248# 249# Shared object configuration section. These values are generated by 250# ${srcdir}/support/shobj-conf 251# 252if test -f ${srcdir}/support/shobj-conf; then 253 AC_MSG_CHECKING(configuration for building shared libraries) 254 eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}` 255 256# case "$SHLIB_LIBS" in 257# *curses*|*termcap*|*termlib*) ;; 258# *) SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;; 259# esac 260 261 AC_SUBST(SHOBJ_CC) 262 AC_SUBST(SHOBJ_CFLAGS) 263 AC_SUBST(SHOBJ_LD) 264 AC_SUBST(SHOBJ_LDFLAGS) 265 AC_SUBST(SHOBJ_XLDFLAGS) 266 AC_SUBST(SHOBJ_LIBS) 267 AC_SUBST(SHOBJ_STATUS) 268 AC_SUBST(SHLIB_STATUS) 269 AC_SUBST(SHLIB_XLDFLAGS) 270 AC_SUBST(SHLIB_DOT) 271 AC_SUBST(SHLIB_LIBPREF) 272 AC_SUBST(SHLIB_LIBSUFF) 273 AC_SUBST(SHLIB_LIBVERSION) 274 AC_SUBST(SHLIB_DLLVERSION) 275 AC_SUBST(SHLIB_LIBS) 276 AC_MSG_RESULT($SHLIB_STATUS) 277 278 # SHLIB_STATUS is either `supported' or `unsupported'. If it's 279 # `unsupported', turn off any default shared library building 280 if test "$SHLIB_STATUS" = 'unsupported'; then 281 opt_shared_libs=no 282 fi 283 284 # shared library versioning 285 # quoted for m4 so I can use character classes 286 SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`] 287 SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`] 288 AC_SUBST(SHLIB_MAJOR) 289 AC_SUBST(SHLIB_MINOR) 290fi 291 292if test "$opt_static_libs" = "yes"; then 293 STATIC_TARGET=static 294 STATIC_INSTALL_TARGET=install-static 295fi 296if test "$opt_shared_libs" = "yes"; then 297 SHARED_TARGET=shared 298 SHARED_INSTALL_TARGET=install-shared 299fi 300 301AC_SUBST(STATIC_TARGET) 302AC_SUBST(SHARED_TARGET) 303AC_SUBST(STATIC_INSTALL_TARGET) 304AC_SUBST(SHARED_INSTALL_TARGET) 305 306case "$host_os" in 307msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file 308*) BUILD_DIR=`pwd` ;; 309esac 310 311case "$BUILD_DIR" in 312*\ *) BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;; 313*) ;; 314esac 315 316AC_SUBST(PURIFY) 317AC_SUBST(BUILD_DIR) 318 319AC_SUBST(CFLAGS) 320AC_SUBST(LOCAL_CFLAGS) 321AC_SUBST(LOCAL_LDFLAGS) 322AC_SUBST(LOCAL_DEFS) 323 324AC_SUBST(AR) 325AC_SUBST(ARFLAGS) 326 327AC_SUBST(host_cpu) 328AC_SUBST(host_os) 329 330AC_SUBST(LIBVERSION) 331 332AC_SUBST(TERMCAP_LIB) 333 334AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile], 335[ 336# Makefile uses this timestamp file to record whether config.h is up to date. 337echo > stamp-h 338]) 339