| 1 | dnl |
| 2 | dnl Configure script for readline library |
| 3 | dnl |
| 4 | dnl report bugs to chet@po.cwru.edu |
| 5 | dnl |
| 6 | dnl 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 | |
| 23 | AC_REVISION([for Readline 6.2, version 2.67]) |
| 24 | |
| 25 | m4_include([../config/override.m4]) |
| 26 | |
| 27 | AC_INIT(readline, 6.2, bug-readline@gnu.org) |
| 28 | |
| 29 | dnl make sure we are using a recent autoconf version |
| 30 | AC_PREREQ(2.50) |
| 31 | |
| 32 | AC_CONFIG_SRCDIR(readline.h) |
| 33 | dnl GDB LOCAL |
| 34 | dnl AC_CONFIG_AUX_DIR(./support) |
| 35 | AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) |
| 36 | AC_CONFIG_HEADERS(config.h) |
| 37 | |
| 38 | dnl update the value of RL_READLINE_VERSION in readline.h when this changes |
| 39 | LIBVERSION=6.2 |
| 40 | |
| 41 | AC_CANONICAL_HOST |
| 42 | AC_CANONICAL_BUILD |
| 43 | |
| 44 | dnl configure defaults |
| 45 | opt_curses=no |
| 46 | opt_purify=no |
| 47 | |
| 48 | dnl arguments to configure |
| 49 | AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval) |
| 50 | AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval) |
| 51 | |
| 52 | if test "$opt_curses" = "yes"; then |
| 53 | prefer_curses=yes |
| 54 | fi |
| 55 | |
| 56 | if test "$opt_purify" = yes; then |
| 57 | PURIFY="purify" |
| 58 | else |
| 59 | PURIFY= |
| 60 | fi |
| 61 | |
| 62 | dnl option parsing for optional features |
| 63 | opt_multibyte=yes |
| 64 | opt_static_libs=yes |
| 65 | opt_shared_libs=no |
| 66 | |
| 67 | AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval) |
| 68 | dnl AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval) |
| 69 | AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval) |
| 70 | |
| 71 | if test $opt_multibyte = no; then |
| 72 | AC_DEFINE(NO_MULTIBYTE_SUPPORT) |
| 73 | fi |
| 74 | |
| 75 | dnl load up the cross-building cache file -- add more cases and cache |
| 76 | dnl files as necessary |
| 77 | |
| 78 | dnl Note that host and target machine are the same, and different than the |
| 79 | dnl build machine. |
| 80 | |
| 81 | CROSS_COMPILE= |
| 82 | if test "x$cross_compiling" = "xyes"; then |
| 83 | case "${host}" in |
| 84 | *-cygwin*) |
| 85 | cross_cache=${srcdir}/cross-build/cygwin.cache |
| 86 | ;; |
| 87 | *-mingw*) |
| 88 | cross_cache=${srcdir}/cross-build/mingw.cache |
| 89 | ;; |
| 90 | i[[3456]]86-*-beos*) |
| 91 | cross_cache=${srcdir}/cross-build/x86-beos.cache |
| 92 | ;; |
| 93 | *) echo "configure: cross-compiling for $host is not supported" >&2 |
| 94 | ;; |
| 95 | esac |
| 96 | if test -n "${cross_cache}" && test -r "${cross_cache}"; then |
| 97 | echo "loading cross-build cache file ${cross_cache}" |
| 98 | . ${cross_cache} |
| 99 | fi |
| 100 | unset cross_cache |
| 101 | CROSS_COMPILE='-DCROSS_COMPILING' |
| 102 | AC_SUBST(CROSS_COMPILE) |
| 103 | fi |
| 104 | |
| 105 | echo "" |
| 106 | echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}" |
| 107 | echo "" |
| 108 | |
| 109 | # We want these before the checks, so the checks can modify their values. |
| 110 | test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1 |
| 111 | |
| 112 | AC_PROG_MAKE_SET |
| 113 | AC_PROG_CC |
| 114 | dnl AC_AIX |
| 115 | AC_MINIX |
| 116 | |
| 117 | # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS. |
| 118 | test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O" |
| 119 | |
| 120 | AC_PROG_GCC_TRADITIONAL |
| 121 | AC_PROG_INSTALL |
| 122 | AC_CHECK_PROG(AR, ar, , ar) |
| 123 | dnl Set default for ARFLAGS, since autoconf does not have a macro for it. |
| 124 | dnl This allows people to set it when running configure or make |
| 125 | test -n "$ARFLAGS" || ARFLAGS="cr" |
| 126 | AC_PROG_RANLIB |
| 127 | |
| 128 | MAKE_SHELL=/bin/sh |
| 129 | AC_SUBST(MAKE_SHELL) |
| 130 | |
| 131 | AC_C_CONST |
| 132 | AC_C_PROTOTYPES |
| 133 | AC_C_CHAR_UNSIGNED |
| 134 | AC_C_VOLATILE |
| 135 | |
| 136 | AC_TYPE_SIGNAL |
| 137 | |
| 138 | AC_TYPE_SIZE_T |
| 139 | AC_CHECK_TYPE(ssize_t, int) |
| 140 | |
| 141 | AC_HEADER_STDC |
| 142 | |
| 143 | AC_HEADER_STAT |
| 144 | AC_HEADER_DIRENT |
| 145 | |
| 146 | AC_CHECK_FUNCS(fcntl kill lstat) |
| 147 | AC_CHECK_FUNCS(memmove putenv select setenv setlocale \ |
| 148 | strcasecmp strpbrk tcgetattr vsnprintf) |
| 149 | AC_CHECK_FUNCS(isascii isxdigit) |
| 150 | AC_CHECK_FUNCS(getpwent getpwnam getpwuid) |
| 151 | |
| 152 | AC_FUNC_STRCOLL |
| 153 | |
| 154 | AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \ |
| 155 | limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h) |
| 156 | AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h) |
| 157 | |
| 158 | AC_CHECK_HEADERS(sys/ptem.h,,, |
| 159 | [[ |
| 160 | #if HAVE_SYS_STREAM_H |
| 161 | # include <sys/stream.h> |
| 162 | #endif |
| 163 | ]]) |
| 164 | |
| 165 | AC_SYS_LARGEFILE |
| 166 | |
| 167 | BASH_SYS_SIGNAL_VINTAGE |
| 168 | BASH_SYS_REINSTALL_SIGHANDLERS |
| 169 | |
| 170 | BASH_FUNC_POSIX_SETJMP |
| 171 | BASH_FUNC_LSTAT |
| 172 | BASH_FUNC_STRCOLL |
| 173 | BASH_FUNC_CTYPE_NONASCII |
| 174 | |
| 175 | BASH_CHECK_GETPW_FUNCS |
| 176 | |
| 177 | AC_HEADER_TIOCGWINSZ |
| 178 | |
| 179 | BASH_TYPE_SIG_ATOMIC_T |
| 180 | BASH_TYPE_SIGHANDLER |
| 181 | |
| 182 | BASH_HAVE_TIOCSTAT |
| 183 | BASH_HAVE_FIONREAD |
| 184 | BASH_CHECK_SPEED_T |
| 185 | BASH_STRUCT_WINSIZE |
| 186 | BASH_STRUCT_DIRENT_D_INO |
| 187 | BASH_STRUCT_DIRENT_D_FILENO |
| 188 | |
| 189 | dnl yuck |
| 190 | case "$host_os" in |
| 191 | aix*) prefer_curses=yes ;; |
| 192 | esac |
| 193 | BASH_CHECK_LIB_TERMCAP |
| 194 | if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then |
| 195 | if test "$prefer_curses" = yes; then |
| 196 | TERMCAP_LIB=-lcurses |
| 197 | else |
| 198 | TERMCAP_LIB=-ltermcap #default |
| 199 | fi |
| 200 | fi |
| 201 | |
| 202 | BASH_CHECK_MULTIBYTE |
| 203 | |
| 204 | case "$host_cpu" in |
| 205 | *cray*) LOCAL_CFLAGS=-DCRAY ;; |
| 206 | *s390*) LOCAL_CFLAGS=-fsigned-char ;; |
| 207 | esac |
| 208 | |
| 209 | case "$host_os" in |
| 210 | isc*) LOCAL_CFLAGS=-Disc386 ;; |
| 211 | esac |
| 212 | |
| 213 | # shared library configuration section |
| 214 | # |
| 215 | # Shared object configuration section. These values are generated by |
| 216 | # ${srcdir}/support/shobj-conf |
| 217 | # |
| 218 | if test -f ${srcdir}/support/shobj-conf; then |
| 219 | AC_MSG_CHECKING(configuration for building shared libraries) |
| 220 | eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}` |
| 221 | |
| 222 | # case "$SHLIB_LIBS" in |
| 223 | # *curses*|*termcap*|*termlib*) ;; |
| 224 | # *) SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;; |
| 225 | # esac |
| 226 | |
| 227 | AC_SUBST(SHOBJ_CC) |
| 228 | AC_SUBST(SHOBJ_CFLAGS) |
| 229 | AC_SUBST(SHOBJ_LD) |
| 230 | AC_SUBST(SHOBJ_LDFLAGS) |
| 231 | AC_SUBST(SHOBJ_XLDFLAGS) |
| 232 | AC_SUBST(SHOBJ_LIBS) |
| 233 | AC_SUBST(SHOBJ_STATUS) |
| 234 | AC_SUBST(SHLIB_STATUS) |
| 235 | AC_SUBST(SHLIB_XLDFLAGS) |
| 236 | AC_SUBST(SHLIB_DOT) |
| 237 | AC_SUBST(SHLIB_LIBPREF) |
| 238 | AC_SUBST(SHLIB_LIBSUFF) |
| 239 | AC_SUBST(SHLIB_LIBVERSION) |
| 240 | AC_SUBST(SHLIB_DLLVERSION) |
| 241 | AC_SUBST(SHLIB_LIBS) |
| 242 | AC_MSG_RESULT($SHLIB_STATUS) |
| 243 | |
| 244 | # SHLIB_STATUS is either `supported' or `unsupported'. If it's |
| 245 | # `unsupported', turn off any default shared library building |
| 246 | if test "$SHLIB_STATUS" = 'unsupported'; then |
| 247 | opt_shared_libs=no |
| 248 | fi |
| 249 | |
| 250 | # shared library versioning |
| 251 | # quoted for m4 so I can use character classes |
| 252 | SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`] |
| 253 | SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`] |
| 254 | AC_SUBST(SHLIB_MAJOR) |
| 255 | AC_SUBST(SHLIB_MINOR) |
| 256 | fi |
| 257 | |
| 258 | if test "$opt_static_libs" = "yes"; then |
| 259 | STATIC_TARGET=static |
| 260 | STATIC_INSTALL_TARGET=install-static |
| 261 | fi |
| 262 | if test "$opt_shared_libs" = "yes"; then |
| 263 | SHARED_TARGET=shared |
| 264 | SHARED_INSTALL_TARGET=install-shared |
| 265 | fi |
| 266 | |
| 267 | AC_SUBST(STATIC_TARGET) |
| 268 | AC_SUBST(SHARED_TARGET) |
| 269 | AC_SUBST(STATIC_INSTALL_TARGET) |
| 270 | AC_SUBST(SHARED_INSTALL_TARGET) |
| 271 | |
| 272 | case "$build_os" in |
| 273 | msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file |
| 274 | *) BUILD_DIR=`pwd` ;; |
| 275 | esac |
| 276 | |
| 277 | case "$BUILD_DIR" in |
| 278 | *\ *) BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;; |
| 279 | *) ;; |
| 280 | esac |
| 281 | |
| 282 | AC_SUBST(PURIFY) |
| 283 | AC_SUBST(BUILD_DIR) |
| 284 | |
| 285 | AC_SUBST(CFLAGS) |
| 286 | AC_SUBST(LOCAL_CFLAGS) |
| 287 | AC_SUBST(LOCAL_LDFLAGS) |
| 288 | AC_SUBST(LOCAL_DEFS) |
| 289 | |
| 290 | AC_SUBST(AR) |
| 291 | AC_SUBST(ARFLAGS) |
| 292 | |
| 293 | AC_SUBST(host_cpu) |
| 294 | AC_SUBST(host_os) |
| 295 | |
| 296 | AC_SUBST(LIBVERSION) |
| 297 | |
| 298 | AC_SUBST(TERMCAP_LIB) |
| 299 | |
| 300 | AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile], |
| 301 | [ |
| 302 | # Makefile uses this timestamp file to record whether config.h is up to date. |
| 303 | echo > stamp-h |
| 304 | ]) |