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. 7AC_REVISION([for Readline 4.3, version 2.45, from autoconf version] AC_ACVERSION) 8 9AC_INIT(readline, 4.3, bug-readline@gnu.org) 10 11dnl make sure we are using a recent autoconf version 12AC_PREREQ(2.50) 13 14AC_CONFIG_SRCDIR(readline.h) 15dnl AC_CONFIG_AUX_DIR(./support) 16AC_CONFIG_HEADERS(config.h) 17 18dnl update the value of RL_READLINE_VERSION in readline.h when this changes 19LIBVERSION=4.3 20 21AC_CANONICAL_HOST 22 23dnl configure defaults 24opt_curses=no 25 26dnl arguments to configure 27AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval) 28 29if test "$opt_curses" = "yes"; then 30 prefer_curses=yes 31fi 32 33dnl option parsing for optional features 34opt_static_libs=yes 35opt_shared_libs=no 36 37AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval) 38 39echo "" 40echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}" 41echo "" 42 43# We want these before the checks, so the checks can modify their values. 44test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1 45 46AC_PROG_MAKE_SET 47AC_PROG_CC 48dnl AC_AIX 49AC_MINIX 50 51dnl BEGIN changes for CYGNUS cross-building for Cygwin 52 53dnl load up the cross-building cache file -- add more cases and cache 54dnl files as necessary 55if test "x$cross_compiling" = "xyes"; then 56 case "${host}" in 57 *-cygwin*) 58 cross_cache=${srcdir}/cross-build/cygwin.cache 59 if test -r "${cross_cache}"; then 60 echo "loading cross-build cache file ${cross_cache}" 61 . ${cross_cache} 62 fi 63 LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap" 64 unset cross_cache 65 ;; 66 *) echo "configure: cross-compiling for a non-cygwin target is not supported" >&2 67 ;; 68 esac 69fi 70 71if test "x$cross_compiling" = "xyes"; then 72 CROSS_COMPILING_FLAG=-DCROSS_COMPILING 73else 74 CROSS_COMPILING_FLAG= 75fi 76AC_SUBST(CROSS_COMPILING_FLAG) 77 78if test -z "$CC_FOR_BUILD"; then 79 if test "x$cross_compiling" = "xno"; then 80 CC_FOR_BUILD='$(CC)' 81 else 82 CC_FOR_BUILD=gcc 83 fi 84fi 85AC_SUBST(CC_FOR_BUILD) 86 87dnl END changes for CYGNUS cross-building for Cygwin 88 89# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS. 90test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O" 91 92AC_PROG_GCC_TRADITIONAL 93AC_PROG_INSTALL 94AC_CHECK_PROG(AR, ar, , ar) 95dnl Set default for ARFLAGS, since autoconf does not have a macro for it. 96dnl This allows people to set it when running configure or make 97test -n "$ARFLAGS" || ARFLAGS="cr" 98AC_PROG_RANLIB 99 100MAKE_SHELL=/bin/sh 101AC_SUBST(MAKE_SHELL) 102 103AC_C_CONST 104AC_C_PROTOTYPES 105AC_C_CHAR_UNSIGNED 106 107AC_TYPE_SIGNAL 108 109AC_TYPE_SIZE_T 110AC_CHECK_TYPE(ssize_t, int) 111 112AC_HEADER_STAT 113AC_HEADER_DIRENT 114 115AC_CHECK_FUNCS(lstat memmove putenv select setenv setlocale \ 116 strcasecmp strpbrk tcgetattr vsnprintf isascii isxdigit) 117 118AC_FUNC_STRCOLL 119 120AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \ 121 limits.h sys/ptem.h sys/pte.h sys/stream.h sys/select.h \ 122 termcap.h termios.h termio.h sys/file.h locale.h memory.h ) 123 124BASH_SYS_SIGNAL_VINTAGE 125BASH_SYS_REINSTALL_SIGHANDLERS 126 127BASH_FUNC_POSIX_SETJMP 128BASH_FUNC_LSTAT 129BASH_FUNC_STRCOLL 130 131BASH_CHECK_GETPW_FUNCS 132 133AC_HEADER_TIOCGWINSZ 134 135BASH_TYPE_SIGHANDLER 136BASH_HAVE_TIOCSTAT 137BASH_HAVE_FIONREAD 138BASH_CHECK_SPEED_T 139BASH_STRUCT_WINSIZE 140BASH_STRUCT_DIRENT_D_INO 141BASH_STRUCT_DIRENT_D_FILENO 142 143dnl yuck 144case "$host_os" in 145aix*) prefer_curses=yes ;; 146esac 147BASH_CHECK_LIB_TERMCAP 148if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then 149 if test "$prefer_curses" = yes; then 150 TERMCAP_LIB=-lcurses 151 else 152 TERMCAP_LIB=-ltermcap #default 153 fi 154fi 155 156BASH_CHECK_MULTIBYTE 157 158case "$host_cpu" in 159*cray*) LOCAL_CFLAGS=-DCRAY ;; 160*s390*) LOCAL_CFLAGS=-fsigned-char ;; 161esac 162 163case "$host_os" in 164isc*) LOCAL_CFLAGS=-Disc386 ;; 165esac 166 167# shared library configuration section 168# 169# Shared object configuration section. These values are generated by 170# ${srcdir}/support/shobj-conf 171# 172if test -f ${srcdir}/support/shobj-conf; then 173 AC_MSG_CHECKING(configuration for building shared libraries) 174 eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}` 175 AC_SUBST(SHOBJ_CC) 176 AC_SUBST(SHOBJ_CFLAGS) 177 AC_SUBST(SHOBJ_LD) 178 AC_SUBST(SHOBJ_LDFLAGS) 179 AC_SUBST(SHOBJ_XLDFLAGS) 180 AC_SUBST(SHOBJ_LIBS) 181 AC_SUBST(SHOBJ_STATUS) 182 AC_SUBST(SHLIB_STATUS) 183 AC_SUBST(SHLIB_XLDFLAGS) 184 AC_SUBST(SHLIB_LIBSUFF) 185 AC_SUBST(SHLIB_LIBVERSION) 186 AC_SUBST(SHLIB_LIBS) 187 AC_MSG_RESULT($SHLIB_STATUS) 188 189 # SHLIB_STATUS is either `supported' or `unsupported'. If it's 190 # `unsupported', turn off any default shared library building 191 if test "$SHLIB_STATUS" = 'unsupported'; then 192 opt_shared_libs=no 193 fi 194 195 # shared library versioning 196 # quoted for m4 so I can use character classes 197 SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`] 198 SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`] 199 AC_SUBST(SHLIB_MAJOR) 200 AC_SUBST(SHLIB_MINOR) 201fi 202 203if test "$opt_static_libs" = "yes"; then 204 STATIC_TARGET=static 205 STATIC_INSTALL_TARGET=install-static 206fi 207if test "$opt_shared_libs" = "yes"; then 208 SHARED_TARGET=shared 209 SHARED_INSTALL_TARGET=install-shared 210fi 211 212AC_SUBST(STATIC_TARGET) 213AC_SUBST(SHARED_TARGET) 214AC_SUBST(STATIC_INSTALL_TARGET) 215AC_SUBST(SHARED_INSTALL_TARGET) 216 217case "$host_os" in 218msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file 219*) BUILD_DIR=`pwd` ;; 220esac 221 222AC_SUBST(BUILD_DIR) 223 224AC_SUBST(CFLAGS) 225AC_SUBST(LOCAL_CFLAGS) 226AC_SUBST(LOCAL_LDFLAGS) 227AC_SUBST(LOCAL_DEFS) 228 229AC_SUBST(AR) 230AC_SUBST(ARFLAGS) 231 232AC_SUBST(host_cpu) 233AC_SUBST(host_os) 234 235AC_SUBST(LIBVERSION) 236 237AC_SUBST(TERMCAP_LIB) 238 239AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile], 240[ 241# Makefile uses this timestamp file to record whether config.h is up to date. 242echo > stamp-h 243]) 244