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) 1987-2009 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 3 of the License, or 13# (at your option) 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, see <http://www.gnu.org/licenses/>. 22 23AC_REVISION([for Readline 6.2, version 2.67]) 24 25m4_include([../config/override.m4]) 26 27AC_INIT(readline, 6.2, 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) 33dnl GDB LOCAL 34dnl AC_CONFIG_AUX_DIR(./support) 35AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) 36AC_CONFIG_HEADERS(config.h) 37 38dnl update the value of RL_READLINE_VERSION in readline.h when this changes 39LIBVERSION=6.2 40 41AC_CANONICAL_HOST 42 43dnl configure defaults 44opt_curses=no 45opt_purify=no 46 47dnl arguments to configure 48AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$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 115 116# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS. 117test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O" 118 119AC_PROG_GCC_TRADITIONAL 120AC_PROG_INSTALL 121AC_CHECK_PROG(AR, ar, , ar) 122dnl Set default for ARFLAGS, since autoconf does not have a macro for it. 123dnl This allows people to set it when running configure or make 124test -n "$ARFLAGS" || ARFLAGS="cr" 125AC_PROG_RANLIB 126 127MAKE_SHELL=/bin/sh 128AC_SUBST(MAKE_SHELL) 129 130AC_C_CONST 131AC_C_PROTOTYPES 132AC_C_CHAR_UNSIGNED 133AC_C_VOLATILE 134 135AC_TYPE_SIGNAL 136 137AC_TYPE_SIZE_T 138AC_CHECK_TYPE(ssize_t, int) 139 140AC_HEADER_STDC 141 142AC_HEADER_STAT 143AC_HEADER_DIRENT 144 145AC_CHECK_FUNCS(fcntl kill lstat) 146AC_CHECK_FUNCS(memmove putenv select setenv setlocale \ 147 strcasecmp strpbrk tcgetattr vsnprintf) 148AC_CHECK_FUNCS(isascii isxdigit) 149AC_CHECK_FUNCS(getpwent getpwnam getpwuid) 150 151AC_FUNC_STRCOLL 152 153AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \ 154 limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h) 155AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h) 156 157AC_CHECK_HEADERS(sys/ptem.h,,, 158[[ 159#if HAVE_SYS_STREAM_H 160# include <sys/stream.h> 161#endif 162]]) 163 164AC_SYS_LARGEFILE 165 166BASH_SYS_SIGNAL_VINTAGE 167BASH_SYS_REINSTALL_SIGHANDLERS 168 169BASH_FUNC_POSIX_SETJMP 170BASH_FUNC_LSTAT 171BASH_FUNC_STRCOLL 172BASH_FUNC_CTYPE_NONASCII 173 174BASH_CHECK_GETPW_FUNCS 175 176AC_HEADER_TIOCGWINSZ 177 178BASH_TYPE_SIG_ATOMIC_T 179BASH_TYPE_SIGHANDLER 180 181BASH_HAVE_TIOCSTAT 182BASH_HAVE_FIONREAD 183BASH_CHECK_SPEED_T 184BASH_STRUCT_WINSIZE 185BASH_STRUCT_DIRENT_D_INO 186BASH_STRUCT_DIRENT_D_FILENO 187 188dnl yuck 189case "$host_os" in 190aix*) prefer_curses=yes ;; 191esac 192BASH_CHECK_LIB_TERMCAP 193if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then 194 if test "$prefer_curses" = yes; then 195 TERMCAP_LIB=-lcurses 196 else 197 TERMCAP_LIB=-ltermcap #default 198 fi 199fi 200 201BASH_CHECK_MULTIBYTE 202 203case "$host_cpu" in 204*cray*) LOCAL_CFLAGS=-DCRAY ;; 205*s390*) LOCAL_CFLAGS=-fsigned-char ;; 206esac 207 208case "$host_os" in 209isc*) LOCAL_CFLAGS=-Disc386 ;; 210esac 211 212# shared library configuration section 213# 214# Shared object configuration section. These values are generated by 215# ${srcdir}/support/shobj-conf 216# 217if test -f ${srcdir}/support/shobj-conf; then 218 AC_MSG_CHECKING(configuration for building shared libraries) 219 eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}` 220 221# case "$SHLIB_LIBS" in 222# *curses*|*termcap*|*termlib*) ;; 223# *) SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;; 224# esac 225 226 AC_SUBST(SHOBJ_CC) 227 AC_SUBST(SHOBJ_CFLAGS) 228 AC_SUBST(SHOBJ_LD) 229 AC_SUBST(SHOBJ_LDFLAGS) 230 AC_SUBST(SHOBJ_XLDFLAGS) 231 AC_SUBST(SHOBJ_LIBS) 232 AC_SUBST(SHOBJ_STATUS) 233 AC_SUBST(SHLIB_STATUS) 234 AC_SUBST(SHLIB_XLDFLAGS) 235 AC_SUBST(SHLIB_DOT) 236 AC_SUBST(SHLIB_LIBPREF) 237 AC_SUBST(SHLIB_LIBSUFF) 238 AC_SUBST(SHLIB_LIBVERSION) 239 AC_SUBST(SHLIB_DLLVERSION) 240 AC_SUBST(SHLIB_LIBS) 241 AC_MSG_RESULT($SHLIB_STATUS) 242 243 # SHLIB_STATUS is either `supported' or `unsupported'. If it's 244 # `unsupported', turn off any default shared library building 245 if test "$SHLIB_STATUS" = 'unsupported'; then 246 opt_shared_libs=no 247 fi 248 249 # shared library versioning 250 # quoted for m4 so I can use character classes 251 SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`] 252 SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`] 253 AC_SUBST(SHLIB_MAJOR) 254 AC_SUBST(SHLIB_MINOR) 255fi 256 257if test "$opt_static_libs" = "yes"; then 258 STATIC_TARGET=static 259 STATIC_INSTALL_TARGET=install-static 260fi 261if test "$opt_shared_libs" = "yes"; then 262 SHARED_TARGET=shared 263 SHARED_INSTALL_TARGET=install-shared 264fi 265 266AC_SUBST(STATIC_TARGET) 267AC_SUBST(SHARED_TARGET) 268AC_SUBST(STATIC_INSTALL_TARGET) 269AC_SUBST(SHARED_INSTALL_TARGET) 270 271case "$host_os" in 272msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file 273*) BUILD_DIR=`pwd` ;; 274esac 275 276case "$BUILD_DIR" in 277*\ *) BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;; 278*) ;; 279esac 280 281AC_SUBST(PURIFY) 282AC_SUBST(BUILD_DIR) 283 284AC_SUBST(CFLAGS) 285AC_SUBST(LOCAL_CFLAGS) 286AC_SUBST(LOCAL_LDFLAGS) 287AC_SUBST(LOCAL_DEFS) 288 289AC_SUBST(AR) 290AC_SUBST(ARFLAGS) 291 292AC_SUBST(host_cpu) 293AC_SUBST(host_os) 294 295AC_SUBST(LIBVERSION) 296 297AC_SUBST(TERMCAP_LIB) 298 299AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile], 300[ 301# Makefile uses this timestamp file to record whether config.h is up to date. 302echo > stamp-h 303]) 304