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 AC_INIT(readline, 5.1-release, 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 $srcdir;pwd`/..)
  36 AC_CONFIG_HEADERS(config.h)
  37
  38 dnl update the value of RL_READLINE_VERSION in readline.h when this changes
  39 LIBVERSION=5.1
  40
  41 AC_CANONICAL_HOST
  42
  43 dnl configure defaults
  44 opt_curses=no
  45 opt_purify=no
  46
  47 dnl arguments to configure
  48 AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
  49 AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval)
  50
  51 if test "$opt_curses" = "yes"; then
  52         prefer_curses=yes
  53 fi
  54
  55 if test "$opt_purify" = yes; then
  56         PURIFY="purify"
  57 else
  58         PURIFY=
  59 fi
  60
  61 dnl option parsing for optional features
  62 opt_multibyte=yes
  63 opt_static_libs=yes
  64 opt_shared_libs=no
  65
  66 AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
  67 dnl AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval)
  68 AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval)
  69
  70 if test $opt_multibyte = no; then
  71 AC_DEFINE(NO_MULTIBYTE_SUPPORT)
  72 fi
  73
  74 dnl load up the cross-building cache file -- add more cases and cache
  75 dnl files as necessary
  76
  77 dnl Note that host and target machine are the same, and different than the
  78 dnl build machine.
  79
  80 if test "x$cross_compiling" = "xyes"; then
  81     case "${host}" in
  82     *-cygwin*)
  83         cross_cache=${srcdir}/cross-build/cygwin.cache
  84         ;;
  85     *-mingw*)
  86         cross_cache=${srcdir}/cross-build/mingw.cache
  87         ;;
  88     i[[3456]]86-*-beos*)
  89         cross_cache=${srcdir}/cross-build/x86-beos.cache
  90         ;;
  91     *)  echo "configure: cross-compiling for $host is not supported" >&2
  92         ;;
  93     esac
  94     if test -n "${cross_cache}" && test -r "${cross_cache}"; then
  95         echo "loading cross-build cache file ${cross_cache}"
  96         . ${cross_cache}
  97     fi
  98     unset cross_cache
  99     CROSS_COMPILE='-DCROSS_COMPILING'
 100     AC_SUBST(CROSS_COMPILE)
 101 fi
 102
 103 echo ""
 104 echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
 105 echo ""
 106
 107 # We want these before the checks, so the checks can modify their values.
 108 test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
 109
 110 AC_PROG_MAKE_SET
 111 AC_PROG_CC
 112 dnl AC_AIX
 113 AC_MINIX
 114
 115 dnl BEGIN changes for CYGNUS cross-building for Cygwin
 116 dnl NOTE: Some of these changes may no longer be necessary.
 117
 118 dnl load up the cross-building cache file -- add more cases and cache
 119 dnl files as necessary
 120 if test "x$cross_compiling" = "xyes"; then
 121     case "${host}" in
 122     *-cygwin*)
 123         cross_cache=${srcdir}/cross-build/cygwin.cache
 124         LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap"
 125         ;;
 126    *-mingw32*)
 127         cross_cache=${srcdir}/cross-build/mingw.cache
 128         ;;
 129     *)  echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
 130         ;;
 131     esac
 132
 133     if test "x$cross_cache" != "x"; then
 134         if test -r "${cross_cache}"; then
 135             echo "loading cross-build cache file ${cross_cache}"
 136             . ${cross_cache}
 137         fi
 138         unset cross_cache
 139     fi
 140 fi
 141
 142 if test -z "$CC_FOR_BUILD"; then
 143     if test "x$cross_compiling" = "xno"; then
 144         CC_FOR_BUILD='$(CC)'
 145     else
 146         CC_FOR_BUILD=gcc
 147     fi
 148 fi
 149 AC_SUBST(CC_FOR_BUILD)
 150
 151 dnl END changes for CYGNUS cross-building for Cygwin
 152
 153 # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
 154 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
 155
 156 AC_PROG_GCC_TRADITIONAL
 157 AC_PROG_INSTALL
 158 AC_CHECK_PROG(AR, ar, , ar)
 159 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
 160 dnl This allows people to set it when running configure or make
 161 test -n "$ARFLAGS" || ARFLAGS="cr"
 162 AC_PROG_RANLIB
 163
 164 MAKE_SHELL=/bin/sh
 165 AC_SUBST(MAKE_SHELL)
 166
 167 AC_C_CONST
 168 AC_C_PROTOTYPES
 169 AC_C_CHAR_UNSIGNED
 170
 171 AC_TYPE_SIGNAL
 172
 173 AC_TYPE_SIZE_T
 174 AC_CHECK_TYPE(ssize_t, int)
 175
 176 AC_HEADER_STDC
 177
 178 AC_HEADER_STAT
 179 AC_HEADER_DIRENT
 180
 181 AC_CHECK_FUNCS(fcntl kill lstat)
 182 AC_CHECK_FUNCS(memmove putenv select setenv setlocale \
 183                 strcasecmp strpbrk tcgetattr vsnprintf)
 184 AC_CHECK_FUNCS(isascii isxdigit)
 185 AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
 186
 187 AC_FUNC_STRCOLL
 188
 189 AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \
 190                 limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h)
 191 AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h)
 192
 193 AC_CHECK_HEADERS(sys/ptem.h,,,
 194 [[
 195 #if HAVE_SYS_STREAM_H
 196 #  include <sys/stream.h>
 197 #endif
 198 ]])
 199
 200 BASH_SYS_SIGNAL_VINTAGE
 201 BASH_SYS_REINSTALL_SIGHANDLERS
 202
 203 BASH_FUNC_POSIX_SETJMP
 204 BASH_FUNC_LSTAT
 205 BASH_FUNC_STRCOLL
 206 BASH_FUNC_CTYPE_NONASCII
 207
 208 BASH_CHECK_GETPW_FUNCS
 209
 210 AC_HEADER_TIOCGWINSZ
 211
 212 BASH_TYPE_SIGHANDLER
 213 BASH_HAVE_TIOCSTAT
 214 BASH_HAVE_FIONREAD
 215 BASH_CHECK_SPEED_T
 216 BASH_STRUCT_WINSIZE
 217 BASH_STRUCT_DIRENT_D_INO
 218 BASH_STRUCT_DIRENT_D_FILENO
 219
 220 dnl yuck
 221 case "$host_os" in
 222 aix*)   prefer_curses=yes ;;
 223 esac
 224 BASH_CHECK_LIB_TERMCAP
 225 if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
 226         if test "$prefer_curses" = yes; then
 227                 TERMCAP_LIB=-lcurses
 228         else
 229                 TERMCAP_LIB=-ltermcap   #default
 230         fi
 231 fi
 232
 233 BASH_CHECK_MULTIBYTE
 234
 235 case "$host_cpu" in
 236 *cray*) LOCAL_CFLAGS=-DCRAY ;;
 237 *s390*) LOCAL_CFLAGS=-fsigned-char ;;
 238 esac
 239
 240 case "$host_os" in
 241 isc*)   LOCAL_CFLAGS=-Disc386 ;;
 242 esac
 243
 244 # shared library configuration section
 245 #
 246 # Shared object configuration section.  These values are generated by
 247 # ${srcdir}/support/shobj-conf
 248 #
 249 if test -f ${srcdir}/support/shobj-conf; then
 250         AC_MSG_CHECKING(configuration for building shared libraries)
 251         eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
 252
 253 #       case "$SHLIB_LIBS" in
 254 #       *curses*|*termcap*|*termlib*)   ;;
 255 #       *)                      SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;;
 256 #       esac
 257
 258         AC_SUBST(SHOBJ_CC)
 259         AC_SUBST(SHOBJ_CFLAGS)
 260         AC_SUBST(SHOBJ_LD)
 261         AC_SUBST(SHOBJ_LDFLAGS)
 262         AC_SUBST(SHOBJ_XLDFLAGS)
 263         AC_SUBST(SHOBJ_LIBS)
 264         AC_SUBST(SHOBJ_STATUS)
 265         AC_SUBST(SHLIB_STATUS)
 266         AC_SUBST(SHLIB_XLDFLAGS)
 267         AC_SUBST(SHLIB_DOT)
 268         AC_SUBST(SHLIB_LIBPREF)
 269         AC_SUBST(SHLIB_LIBSUFF)
 270         AC_SUBST(SHLIB_LIBVERSION)
 271         AC_SUBST(SHLIB_DLLVERSION)
 272         AC_SUBST(SHLIB_LIBS)
 273         AC_MSG_RESULT($SHLIB_STATUS)
 274
 275         # SHLIB_STATUS is either `supported' or `unsupported'.  If it's
 276         # `unsupported', turn off any default shared library building
 277         if test "$SHLIB_STATUS" = 'unsupported'; then
 278                 opt_shared_libs=no
 279         fi
 280
 281         # shared library versioning
 282         # quoted for m4 so I can use character classes
 283         SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`]
 284         SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`]
 285         AC_SUBST(SHLIB_MAJOR)
 286         AC_SUBST(SHLIB_MINOR)
 287 fi
 288
 289 if test "$opt_static_libs" = "yes"; then
 290         STATIC_TARGET=static
 291         STATIC_INSTALL_TARGET=install-static
 292 fi
 293 if test "$opt_shared_libs" = "yes"; then
 294         SHARED_TARGET=shared
 295         SHARED_INSTALL_TARGET=install-shared
 296 fi
 297
 298 AC_SUBST(STATIC_TARGET)
 299 AC_SUBST(SHARED_TARGET)
 300 AC_SUBST(STATIC_INSTALL_TARGET)
 301 AC_SUBST(SHARED_INSTALL_TARGET)
 302
 303 case "$host_os" in
 304 msdosdjgpp*)    BUILD_DIR=`pwd.exe` ;;  # to prevent //d/path/file
 305 *)              BUILD_DIR=`pwd` ;;
 306 esac
 307
 308 case "$BUILD_DIR" in
 309 *\ *)   BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
 310 *)      ;;
 311 esac
 312
 313 AC_SUBST(PURIFY)
 314 AC_SUBST(BUILD_DIR)
 315
 316 AC_SUBST(CFLAGS)
 317 AC_SUBST(LOCAL_CFLAGS)
 318 AC_SUBST(LOCAL_LDFLAGS)
 319 AC_SUBST(LOCAL_DEFS)
 320
 321 AC_SUBST(AR)
 322 AC_SUBST(ARFLAGS)
 323
 324 AC_SUBST(host_cpu)
 325 AC_SUBST(host_os)
 326
 327 AC_SUBST(LIBVERSION)
 328
 329 AC_SUBST(TERMCAP_LIB)
 330
 331 AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile],
 332 [
 333 # Makefile uses this timestamp file to record whether config.h is up to date.
 334 echo > stamp-h
 335 ])