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 5.2, version 2.61]) 26 27AC_INIT(readline, 5.2, 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) 33AC_CONFIG_AUX_DIR(./support) 34AC_CONFIG_HEADERS(config.h) 35 36dnl update the value of RL_READLINE_VERSION in readline.h when this changes 37LIBVERSION=5.2 38 39AC_CANONICAL_HOST 40 41dnl configure defaults 42opt_curses=no 43opt_purify=no 44 45dnl arguments to configure 46AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval) 47AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval) 48 49if test "$opt_curses" = "yes"; then 50 prefer_curses=yes 51fi 52 53if test "$opt_purify" = yes; then 54 PURIFY="purify" 55else 56 PURIFY= 57fi 58 59dnl option parsing for optional features 60opt_multibyte=yes 61opt_static_libs=yes 62opt_shared_libs=yes 63 64AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval) 65AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval) 66AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval) 67 68if test $opt_multibyte = no; then 69AC_DEFINE(NO_MULTIBYTE_SUPPORT) 70fi 71 72dnl load up the cross-building cache file -- add more cases and cache 73dnl files as necessary 74 75dnl Note that host and target machine are the same, and different than the 76dnl build machine. 77 78CROSS_COMPILE= 79if test "x$cross_compiling" = "xyes"; then 80 case "${host}" in 81 *-cygwin*) 82 cross_cache=${srcdir}/cross-build/cygwin.cache 83 ;; 84 *-mingw*) 85 cross_cache=${srcdir}/cross-build/mingw.cache 86 ;; 87 i[[3456]]86-*-beos*) 88 cross_cache=${srcdir}/cross-build/x86-beos.cache 89 ;; 90 *) echo "configure: cross-compiling for $host is not supported" >&2 91 ;; 92 esac 93 if test -n "${cross_cache}" && test -r "${cross_cache}"; then 94 echo "loading cross-build cache file ${cross_cache}" 95 . ${cross_cache} 96 fi 97 unset cross_cache 98 CROSS_COMPILE='-DCROSS_COMPILING' 99 AC_SUBST(CROSS_COMPILE) 100fi 101 102echo "" 103echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}" 104echo "" 105 106# We want these before the checks, so the checks can modify their values. 107test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1 108 109AC_PROG_MAKE_SET 110AC_PROG_CC 111dnl AC_AIX 112AC_MINIX 113 114# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS. 115test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O" 116 117AC_PROG_GCC_TRADITIONAL 118AC_PROG_INSTALL 119AC_CHECK_PROG(AR, ar, , ar) 120dnl Set default for ARFLAGS, since autoconf does not have a macro for it. 121dnl This allows people to set it when running configure or make 122test -n "$ARFLAGS" || ARFLAGS="cr" 123AC_PROG_RANLIB 124 125MAKE_SHELL=/bin/sh 126AC_SUBST(MAKE_SHELL) 127 128AC_C_CONST 129AC_C_PROTOTYPES 130AC_C_CHAR_UNSIGNED 131 132AC_TYPE_SIGNAL 133 134AC_TYPE_SIZE_T 135AC_CHECK_TYPE(ssize_t, int) 136 137AC_HEADER_STDC 138 139AC_HEADER_STAT 140AC_HEADER_DIRENT 141 142AC_CHECK_FUNCS(fcntl kill lstat) 143AC_CHECK_FUNCS(memmove putenv select setenv setlocale \ 144 strcasecmp strpbrk tcgetattr vsnprintf) 145AC_CHECK_FUNCS(isascii isxdigit) 146AC_CHECK_FUNCS(getpwent getpwnam getpwuid) 147 148AC_FUNC_STRCOLL 149 150AC_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) 152AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h) 153 154AC_CHECK_HEADERS(sys/ptem.h,,, 155[[ 156#if HAVE_SYS_STREAM_H 157# include <sys/stream.h> 158#endif 159]]) 160 161BASH_SYS_SIGNAL_VINTAGE 162BASH_SYS_REINSTALL_SIGHANDLERS 163 164BASH_FUNC_POSIX_SETJMP 165BASH_FUNC_LSTAT 166BASH_FUNC_STRCOLL 167BASH_FUNC_CTYPE_NONASCII 168 169BASH_CHECK_GETPW_FUNCS 170 171AC_HEADER_TIOCGWINSZ 172 173BASH_TYPE_SIGHANDLER 174BASH_HAVE_TIOCSTAT 175BASH_HAVE_FIONREAD 176BASH_CHECK_SPEED_T 177BASH_STRUCT_WINSIZE 178BASH_STRUCT_DIRENT_D_INO 179BASH_STRUCT_DIRENT_D_FILENO 180 181dnl yuck 182case "$host_os" in 183aix*) prefer_curses=yes ;; 184esac 185BASH_CHECK_LIB_TERMCAP 186if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then 187 if test "$prefer_curses" = yes; then 188 TERMCAP_LIB=-lcurses 189 else 190 TERMCAP_LIB=-ltermcap #default 191 fi 192fi 193 194BASH_CHECK_MULTIBYTE 195 196case "$host_cpu" in 197*cray*) LOCAL_CFLAGS=-DCRAY ;; 198*s390*) LOCAL_CFLAGS=-fsigned-char ;; 199esac 200 201case "$host_os" in 202isc*) LOCAL_CFLAGS=-Disc386 ;; 203esac 204 205# shared library configuration section 206# 207# Shared object configuration section. These values are generated by 208# ${srcdir}/support/shobj-conf 209# 210if 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 ${host_vendor}` 213 214# case "$SHLIB_LIBS" in 215# *curses*|*termcap*|*termlib*) ;; 216# *) SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;; 217# esac 218 219 AC_SUBST(SHOBJ_CC) 220 AC_SUBST(SHOBJ_CFLAGS) 221 AC_SUBST(SHOBJ_LD) 222 AC_SUBST(SHOBJ_LDFLAGS) 223 AC_SUBST(SHOBJ_XLDFLAGS) 224 AC_SUBST(SHOBJ_LIBS) 225 AC_SUBST(SHOBJ_STATUS) 226 AC_SUBST(SHLIB_STATUS) 227 AC_SUBST(SHLIB_XLDFLAGS) 228 AC_SUBST(SHLIB_DOT) 229 AC_SUBST(SHLIB_LIBPREF) 230 AC_SUBST(SHLIB_LIBSUFF) 231 AC_SUBST(SHLIB_LIBVERSION) 232 AC_SUBST(SHLIB_DLLVERSION) 233 AC_SUBST(SHLIB_LIBS) 234 AC_MSG_RESULT($SHLIB_STATUS) 235 236 # SHLIB_STATUS is either `supported' or `unsupported'. If it's 237 # `unsupported', turn off any default shared library building 238 if test "$SHLIB_STATUS" = 'unsupported'; then 239 opt_shared_libs=no 240 fi 241 242 # shared library versioning 243 # quoted for m4 so I can use character classes 244 SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`] 245 SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`] 246 AC_SUBST(SHLIB_MAJOR) 247 AC_SUBST(SHLIB_MINOR) 248fi 249 250if test "$opt_static_libs" = "yes"; then 251 STATIC_TARGET=static 252 STATIC_INSTALL_TARGET=install-static 253fi 254if test "$opt_shared_libs" = "yes"; then 255 SHARED_TARGET=shared 256 SHARED_INSTALL_TARGET=install-shared 257fi 258 259AC_SUBST(STATIC_TARGET) 260AC_SUBST(SHARED_TARGET) 261AC_SUBST(STATIC_INSTALL_TARGET) 262AC_SUBST(SHARED_INSTALL_TARGET) 263 264case "$host_os" in 265msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file 266*) BUILD_DIR=`pwd` ;; 267esac 268 269case "$BUILD_DIR" in 270*\ *) BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;; 271*) ;; 272esac 273 274AC_SUBST(PURIFY) 275AC_SUBST(BUILD_DIR) 276 277AC_SUBST(CFLAGS) 278AC_SUBST(LOCAL_CFLAGS) 279AC_SUBST(LOCAL_LDFLAGS) 280AC_SUBST(LOCAL_DEFS) 281 282AC_SUBST(AR) 283AC_SUBST(ARFLAGS) 284 285AC_SUBST(host_cpu) 286AC_SUBST(host_os) 287 288AC_SUBST(LIBVERSION) 289 290AC_SUBST(TERMCAP_LIB) 291 292AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile], 293[ 294# Makefile uses this timestamp file to record whether config.h is up to date. 295echo > stamp-h 296]) 297