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) 1987-2009 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 $srcdir;pwd`/..)
  36 AC_CONFIG_HEADERS(config.h)
  37
  38 dnl update the value of RL_READLINE_VERSION in readline.h when this changes
  39 LIBVERSION=6.2
  40
  41 AC_CANONICAL_HOST
  42
  43 dnl configure defaults
  44 opt_curses=no
  45 opt_purify=no
  46
  47 dnl arguments to configure
  48 AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$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 $opt_multibyte = no; then
  71 AC_DEFINE(NO_MULTIBYTE_SUPPORT)
  72 fi
  73
  74 dnl load up the cross-building cache file -- add more cases and cache
  75 dnl files as necessary
  76
  77 dnl Note that host and target machine are the same, and different than the
  78 dnl build machine.
  79
  80 CROSS_COMPILE=
  81 if test "x$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         . ${cross_cache}
  98     fi
  99     unset cross_cache
 100     CROSS_COMPILE='-DCROSS_COMPILING'
 101     AC_SUBST(CROSS_COMPILE)
 102 fi
 103
 104 echo ""
 105 echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
 106 echo ""
 107
 108 # We want these before the checks, so the checks can modify their values.
 109 test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
 110
 111 AC_PROG_MAKE_SET
 112 AC_PROG_CC
 113 dnl AC_AIX
 114 AC_MINIX
 115
 116 # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
 117 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
 118
 119 AC_PROG_GCC_TRADITIONAL
 120 AC_PROG_INSTALL
 121 AC_CHECK_PROG(AR, ar, , ar)
 122 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
 123 dnl This allows people to set it when running configure or make
 124 test -n "$ARFLAGS" || ARFLAGS="cr"
 125 AC_PROG_RANLIB
 126
 127 MAKE_SHELL=/bin/sh
 128 AC_SUBST(MAKE_SHELL)
 129
 130 AC_C_CONST
 131 AC_C_PROTOTYPES
 132 AC_C_CHAR_UNSIGNED
 133 AC_C_VOLATILE
 134
 135 AC_TYPE_SIGNAL
 136
 137 AC_TYPE_SIZE_T
 138 AC_CHECK_TYPE(ssize_t, int)
 139
 140 AC_HEADER_STDC
 141
 142 AC_HEADER_STAT
 143 AC_HEADER_DIRENT
 144
 145 AC_CHECK_FUNCS(fcntl kill lstat)
 146 AC_CHECK_FUNCS(memmove putenv select setenv setlocale \
 147                 strcasecmp strpbrk tcgetattr vsnprintf)
 148 AC_CHECK_FUNCS(isascii isxdigit)
 149 AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
 150
 151 AC_FUNC_STRCOLL
 152
 153 AC_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)
 155 AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h)
 156
 157 AC_CHECK_HEADERS(sys/ptem.h,,,
 158 [[
 159 #if HAVE_SYS_STREAM_H
 160 #  include <sys/stream.h>
 161 #endif
 162 ]])
 163
 164 AC_SYS_LARGEFILE
 165
 166 BASH_SYS_SIGNAL_VINTAGE
 167 BASH_SYS_REINSTALL_SIGHANDLERS
 168
 169 BASH_FUNC_POSIX_SETJMP
 170 BASH_FUNC_LSTAT
 171 BASH_FUNC_STRCOLL
 172 BASH_FUNC_CTYPE_NONASCII
 173
 174 BASH_CHECK_GETPW_FUNCS
 175
 176 AC_HEADER_TIOCGWINSZ
 177
 178 BASH_TYPE_SIG_ATOMIC_T
 179 BASH_TYPE_SIGHANDLER
 180
 181 BASH_HAVE_TIOCSTAT
 182 BASH_HAVE_FIONREAD
 183 BASH_CHECK_SPEED_T
 184 BASH_STRUCT_WINSIZE
 185 BASH_STRUCT_DIRENT_D_INO
 186 BASH_STRUCT_DIRENT_D_FILENO
 187
 188 dnl yuck
 189 case "$host_os" in
 190 aix*)   prefer_curses=yes ;;
 191 esac
 192 BASH_CHECK_LIB_TERMCAP
 193 if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
 194         if test "$prefer_curses" = yes; then
 195                 TERMCAP_LIB=-lcurses
 196         else
 197                 TERMCAP_LIB=-ltermcap   #default
 198         fi
 199 fi
 200
 201 BASH_CHECK_MULTIBYTE
 202
 203 case "$host_cpu" in
 204 *cray*) LOCAL_CFLAGS=-DCRAY ;;
 205 *s390*) LOCAL_CFLAGS=-fsigned-char ;;
 206 esac
 207
 208 case "$host_os" in
 209 isc*)   LOCAL_CFLAGS=-Disc386 ;;
 210 esac
 211
 212 # shared library configuration section
 213 #
 214 # Shared object configuration section.  These values are generated by
 215 # ${srcdir}/support/shobj-conf
 216 #
 217 if 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)
 255 fi
 256
 257 if test "$opt_static_libs" = "yes"; then
 258         STATIC_TARGET=static
 259         STATIC_INSTALL_TARGET=install-static
 260 fi
 261 if test "$opt_shared_libs" = "yes"; then
 262         SHARED_TARGET=shared
 263         SHARED_INSTALL_TARGET=install-shared
 264 fi
 265
 266 AC_SUBST(STATIC_TARGET)
 267 AC_SUBST(SHARED_TARGET)
 268 AC_SUBST(STATIC_INSTALL_TARGET)
 269 AC_SUBST(SHARED_INSTALL_TARGET)
 270
 271 case "$host_os" in
 272 msdosdjgpp*)    BUILD_DIR=`pwd.exe` ;;  # to prevent //d/path/file
 273 *)              BUILD_DIR=`pwd` ;;
 274 esac
 275
 276 case "$BUILD_DIR" in
 277 *\ *)   BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
 278 *)      ;;
 279 esac
 280
 281 AC_SUBST(PURIFY)
 282 AC_SUBST(BUILD_DIR)
 283
 284 AC_SUBST(CFLAGS)
 285 AC_SUBST(LOCAL_CFLAGS)
 286 AC_SUBST(LOCAL_LDFLAGS)
 287 AC_SUBST(LOCAL_DEFS)
 288
 289 AC_SUBST(AR)
 290 AC_SUBST(ARFLAGS)
 291
 292 AC_SUBST(host_cpu)
 293 AC_SUBST(host_os)
 294
 295 AC_SUBST(LIBVERSION)
 296
 297 AC_SUBST(TERMCAP_LIB)
 298
 299 AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile],
 300 [
 301 # Makefile uses this timestamp file to record whether config.h is up to date.
 302 echo > stamp-h
 303 ])