readline/configure.in

   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) 1987-2005 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
  25 AC_REVISION([for Readline 5.1, version 2.59])
  26
  27 m4_include([../config/override.m4])
  28
  29 AC_INIT(readline, 5.1-release, bug-readline@gnu.org)
  30
  31 dnl make sure we are using a recent autoconf version
  32 AC_PREREQ(2.50)
  33
  34 AC_CONFIG_SRCDIR(readline.h)
  35 dnl GDB LOCAL
  36 dnl AC_CONFIG_AUX_DIR(./support)
  37 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
  38 AC_CONFIG_HEADERS(config.h)
  39
  40 dnl update the value of RL_READLINE_VERSION in readline.h when this changes
  41 LIBVERSION=5.1
  42
  43 AC_CANONICAL_HOST
  44
  45 dnl configure defaults
  46 opt_curses=no
  47 opt_purify=no
  48
  49 dnl arguments to configure
  50 AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
  51 AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval)
  52
  53 if test "$opt_curses" = "yes"; then
  54         prefer_curses=yes
  55 fi
  56
  57 if test "$opt_purify" = yes; then
  58         PURIFY="purify"
  59 else
  60         PURIFY=
  61 fi
  62
  63 dnl option parsing for optional features
  64 opt_multibyte=yes
  65 opt_static_libs=yes
  66 opt_shared_libs=no
  67
  68 AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
  69 dnl AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval)
  70 AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval)
  71
  72 if test $opt_multibyte = no; then
  73 AC_DEFINE(NO_MULTIBYTE_SUPPORT)
  74 fi
  75
  76 dnl load up the cross-building cache file -- add more cases and cache
  77 dnl files as necessary
  78
  79 dnl Note that host and target machine are the same, and different than the
  80 dnl build machine.
  81
  82 CROSS_COMPILE=
  83 if test "x$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         . ${cross_cache}
 100     fi
 101     unset cross_cache
 102     CROSS_COMPILE='-DCROSS_COMPILING'
 103     AC_SUBST(CROSS_COMPILE)
 104 fi
 105
 106 echo ""
 107 echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
 108 echo ""
 109
 110 # We want these before the checks, so the checks can modify their values.
 111 test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
 112
 113 AC_PROG_MAKE_SET
 114 AC_PROG_CC
 115 dnl AC_AIX
 116 AC_MINIX
 117
 118 dnl BEGIN changes for CYGNUS cross-building for Cygwin
 119 dnl NOTE: Some of these changes may no longer be necessary.
 120
 121 dnl load up the cross-building cache file -- add more cases and cache
 122 dnl files as necessary
 123 if 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             . ${cross_cache}
 140         fi
 141         unset cross_cache
 142     fi
 143 fi
 144
 145 if test -z "$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
 151 fi
 152 AC_SUBST(CC_FOR_BUILD)
 153
 154 dnl 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.
 157 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
 158
 159 AC_PROG_GCC_TRADITIONAL
 160 AC_PROG_INSTALL
 161 AC_CHECK_PROG(AR, ar, , ar)
 162 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
 163 dnl This allows people to set it when running configure or make
 164 test -n "$ARFLAGS" || ARFLAGS="cr"
 165 AC_PROG_RANLIB
 166
 167 MAKE_SHELL=/bin/sh
 168 AC_SUBST(MAKE_SHELL)
 169
 170 AC_C_CONST
 171 AC_C_PROTOTYPES
 172 AC_C_CHAR_UNSIGNED
 173
 174 AC_TYPE_SIGNAL
 175
 176 AC_TYPE_SIZE_T
 177 AC_CHECK_TYPE(ssize_t, int)
 178
 179 AC_HEADER_STDC
 180
 181 AC_HEADER_STAT
 182 AC_HEADER_DIRENT
 183
 184 AC_CHECK_FUNCS(fcntl kill lstat)
 185 AC_CHECK_FUNCS(memmove putenv select setenv setlocale \
 186                 strcasecmp strpbrk tcgetattr vsnprintf)
 187 AC_CHECK_FUNCS(isascii isxdigit)
 188 AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
 189
 190 AC_FUNC_STRCOLL
 191
 192 AC_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)
 194 AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h)
 195
 196 AC_CHECK_HEADERS(sys/ptem.h,,,
 197 [[
 198 #if HAVE_SYS_STREAM_H
 199 #  include <sys/stream.h>
 200 #endif
 201 ]])
 202
 203 BASH_SYS_SIGNAL_VINTAGE
 204 BASH_SYS_REINSTALL_SIGHANDLERS
 205
 206 BASH_FUNC_POSIX_SETJMP
 207 BASH_FUNC_LSTAT
 208 BASH_FUNC_STRCOLL
 209 BASH_FUNC_CTYPE_NONASCII
 210
 211 BASH_CHECK_GETPW_FUNCS
 212
 213 AC_HEADER_TIOCGWINSZ
 214
 215 BASH_TYPE_SIGHANDLER
 216 BASH_HAVE_TIOCSTAT
 217 BASH_HAVE_FIONREAD
 218 BASH_CHECK_SPEED_T
 219 BASH_STRUCT_WINSIZE
 220 BASH_STRUCT_DIRENT_D_INO
 221 BASH_STRUCT_DIRENT_D_FILENO
 222
 223 dnl yuck
 224 case "$host_os" in
 225 aix*)   prefer_curses=yes ;;
 226 esac
 227 BASH_CHECK_LIB_TERMCAP
 228 if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
 229         if test "$prefer_curses" = yes; then
 230                 TERMCAP_LIB=-lcurses
 231         else
 232                 TERMCAP_LIB=-ltermcap   #default
 233         fi
 234 fi
 235
 236 BASH_CHECK_MULTIBYTE
 237
 238 case "$host_cpu" in
 239 *cray*) LOCAL_CFLAGS=-DCRAY ;;
 240 *s390*) LOCAL_CFLAGS=-fsigned-char ;;
 241 esac
 242
 243 case "$host_os" in
 244 isc*)   LOCAL_CFLAGS=-Disc386 ;;
 245 esac
 246
 247 # shared library configuration section
 248 #
 249 # Shared object configuration section.  These values are generated by
 250 # ${srcdir}/support/shobj-conf
 251 #
 252 if 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)
 290 fi
 291
 292 if test "$opt_static_libs" = "yes"; then
 293         STATIC_TARGET=static
 294         STATIC_INSTALL_TARGET=install-static
 295 fi
 296 if test "$opt_shared_libs" = "yes"; then
 297         SHARED_TARGET=shared
 298         SHARED_INSTALL_TARGET=install-shared
 299 fi
 300
 301 AC_SUBST(STATIC_TARGET)
 302 AC_SUBST(SHARED_TARGET)
 303 AC_SUBST(STATIC_INSTALL_TARGET)
 304 AC_SUBST(SHARED_INSTALL_TARGET)
 305
 306 case "$host_os" in
 307 msdosdjgpp*)    BUILD_DIR=`pwd.exe` ;;  # to prevent //d/path/file
 308 *)              BUILD_DIR=`pwd` ;;
 309 esac
 310
 311 case "$BUILD_DIR" in
 312 *\ *)   BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
 313 *)      ;;
 314 esac
 315
 316 AC_SUBST(PURIFY)
 317 AC_SUBST(BUILD_DIR)
 318
 319 AC_SUBST(CFLAGS)
 320 AC_SUBST(LOCAL_CFLAGS)
 321 AC_SUBST(LOCAL_LDFLAGS)
 322 AC_SUBST(LOCAL_DEFS)
 323
 324 AC_SUBST(AR)
 325 AC_SUBST(ARFLAGS)
 326
 327 AC_SUBST(host_cpu)
 328 AC_SUBST(host_os)
 329
 330 AC_SUBST(LIBVERSION)
 331
 332 AC_SUBST(TERMCAP_LIB)
 333
 334 AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile],
 335 [
 336 # Makefile uses this timestamp file to record whether config.h is up to date.
 337 echo > stamp-h
 338 ])