Readline 5.1 import for HEAD.
[deliverable/binutils-gdb.git] / readline / configure.in
index f977feca3610fbceace6f635652c32bbf3824394..6c7b8187f6ee6b693c6989efcbe01716252610c5 100644 (file)
@@ -4,43 +4,158 @@ dnl
 dnl report bugs to chet@po.cwru.edu
 dnl
 dnl Process this file with autoconf to produce a configure script.
-AC_REVISION([for Readline 4.1, version 2.22, from autoconf version] AC_ACVERSION)
-LIBVERSION=4.1
 
-AC_INIT(readline.h)
-AC_CONFIG_HEADER(config.h)
+# Copyright (C) 1987-2005 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+AC_REVISION([for Readline 5.1, version 2.59])
+
+AC_INIT(readline, 5.1-release, bug-readline@gnu.org)
 
 dnl make sure we are using a recent autoconf version
-AC_PREREQ(2.10)
+AC_PREREQ(2.50)
 
-AC_CONFIG_AUX_DIR(./support)
+AC_CONFIG_SRCDIR(readline.h)
+dnl GDB LOCAL
+dnl AC_CONFIG_AUX_DIR(./support)
+AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
+AC_CONFIG_HEADERS(config.h)
+
+dnl update the value of RL_READLINE_VERSION in readline.h when this changes
+LIBVERSION=5.1
 
 AC_CANONICAL_HOST
 
 dnl configure defaults
 opt_curses=no
-opt_shared=no
+opt_purify=no
 
 dnl arguments to configure
-AC_ARG_WITH(curses, --with-curses               use the curses library instead of the termcap library,opt_curses=$withval)
+AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
+AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval)
 
 if test "$opt_curses" = "yes"; then
        prefer_curses=yes
 fi
 
+if test "$opt_purify" = yes; then
+       PURIFY="purify"
+else
+       PURIFY=
+fi
+
+dnl option parsing for optional features
+opt_multibyte=yes
+opt_static_libs=yes
+opt_shared_libs=no
+
+AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
+dnl AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval)
+AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval)
+
+if test $opt_multibyte = no; then
+AC_DEFINE(NO_MULTIBYTE_SUPPORT)
+fi
+
+dnl load up the cross-building cache file -- add more cases and cache
+dnl files as necessary
+
+dnl Note that host and target machine are the same, and different than the
+dnl build machine.
+
+if test "x$cross_compiling" = "xyes"; then
+    case "${host}" in
+    *-cygwin*)
+        cross_cache=${srcdir}/cross-build/cygwin.cache
+        ;;
+    *-mingw*)
+        cross_cache=${srcdir}/cross-build/mingw.cache
+        ;;
+    i[[3456]]86-*-beos*)
+        cross_cache=${srcdir}/cross-build/x86-beos.cache
+        ;;
+    *)  echo "configure: cross-compiling for $host is not supported" >&2
+        ;;
+    esac
+    if test -n "${cross_cache}" && test -r "${cross_cache}"; then
+        echo "loading cross-build cache file ${cross_cache}"
+        . ${cross_cache}
+    fi
+    unset cross_cache
+    CROSS_COMPILE='-DCROSS_COMPILING'
+    AC_SUBST(CROSS_COMPILE)
+fi
+
+echo ""
+echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
+echo ""
+
 # We want these before the checks, so the checks can modify their values.
 test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
 
+AC_PROG_MAKE_SET
 AC_PROG_CC
 dnl AC_AIX
 AC_MINIX
 
+dnl BEGIN changes for CYGNUS cross-building for Cygwin
+dnl NOTE: Some of these changes may no longer be necessary.
+
+dnl load up the cross-building cache file -- add more cases and cache
+dnl files as necessary
+if test "x$cross_compiling" = "xyes"; then
+    case "${host}" in
+    *-cygwin*)
+       cross_cache=${srcdir}/cross-build/cygwin.cache
+       LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap"
+       ;;
+   *-mingw32*) 
+       cross_cache=${srcdir}/cross-build/mingw.cache
+        ;;
+    *)  echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
+       ;;
+    esac
+
+    if test "x$cross_cache" != "x"; then
+       if test -r "${cross_cache}"; then
+           echo "loading cross-build cache file ${cross_cache}"
+           . ${cross_cache}
+       fi
+       unset cross_cache
+    fi
+fi
+
+if test -z "$CC_FOR_BUILD"; then
+    if test "x$cross_compiling" = "xno"; then
+        CC_FOR_BUILD='$(CC)'
+    else
+        CC_FOR_BUILD=gcc
+    fi
+fi
+AC_SUBST(CC_FOR_BUILD)
+dnl END changes for CYGNUS cross-building for Cygwin
+
 # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
 
 AC_PROG_GCC_TRADITIONAL
 AC_PROG_INSTALL
-AC_CHECK_PROG(AR, ar, ar)
+AC_CHECK_PROG(AR, ar, ar)
 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
 dnl This allows people to set it when running configure or make
 test -n "$ARFLAGS" || ARFLAGS="cr"
@@ -49,33 +164,55 @@ AC_PROG_RANLIB
 MAKE_SHELL=/bin/sh
 AC_SUBST(MAKE_SHELL)
 
-AC_RETSIGTYPE
+AC_C_CONST
+AC_C_PROTOTYPES
+AC_C_CHAR_UNSIGNED
+
+AC_TYPE_SIGNAL
+
+AC_TYPE_SIZE_T
+AC_CHECK_TYPE(ssize_t, int)
+
+AC_HEADER_STDC
 
 AC_HEADER_STAT
 AC_HEADER_DIRENT
 
-AC_CHECK_FUNCS(lstat memmove putenv select setenv setlocale \
-               strcasecmp tcgetattr)
+AC_CHECK_FUNCS(fcntl kill lstat)
+AC_CHECK_FUNCS(memmove putenv select setenv setlocale \
+               strcasecmp strpbrk tcgetattr vsnprintf)
+AC_CHECK_FUNCS(isascii isxdigit)
+AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
 
 AC_FUNC_STRCOLL
 
-AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h \
-               sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
-               termcap.h termios.h termio.h sys/file.h locale.h)
+AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \
+               limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h)
+AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h)
+
+AC_CHECK_HEADERS(sys/ptem.h,,,
+[[
+#if HAVE_SYS_STREAM_H
+#  include <sys/stream.h>
+#endif
+]])
 
-BASH_SIGNAL_CHECK
-BASH_REINSTALL_SIGHANDLERS
+BASH_SYS_SIGNAL_VINTAGE
+BASH_SYS_REINSTALL_SIGHANDLERS
 
 BASH_FUNC_POSIX_SETJMP
 BASH_FUNC_LSTAT
-BASH_CHECK_GETPW_FUNCS
 BASH_FUNC_STRCOLL
+BASH_FUNC_CTYPE_NONASCII
+
+BASH_CHECK_GETPW_FUNCS
+
+AC_HEADER_TIOCGWINSZ
 
 BASH_TYPE_SIGHANDLER
-BASH_HAVE_TIOCGWINSZ
 BASH_HAVE_TIOCSTAT
 BASH_HAVE_FIONREAD
-BASH_MISC_SPEED_T
+BASH_CHECK_SPEED_T
 BASH_STRUCT_WINSIZE
 BASH_STRUCT_DIRENT_D_INO
 BASH_STRUCT_DIRENT_D_FILENO
@@ -86,11 +223,18 @@ aix*)   prefer_curses=yes ;;
 esac
 BASH_CHECK_LIB_TERMCAP
 if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
-       TERMCAP_LIB=-ltermcap   #default
+       if test "$prefer_curses" = yes; then
+               TERMCAP_LIB=-lcurses
+       else
+               TERMCAP_LIB=-ltermcap   #default
+       fi
 fi
 
+BASH_CHECK_MULTIBYTE
+
 case "$host_cpu" in
 *cray*)        LOCAL_CFLAGS=-DCRAY ;;
+*s390*) LOCAL_CFLAGS=-fsigned-char ;;
 esac
 
 case "$host_os" in
@@ -104,7 +248,13 @@ esac
 #
 if test -f ${srcdir}/support/shobj-conf; then
         AC_MSG_CHECKING(configuration for building shared libraries)
-        eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
+        eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
+
+#      case "$SHLIB_LIBS" in
+#      *curses*|*termcap*|*termlib*)   ;;
+#      *)                      SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;;
+#      esac
+       
         AC_SUBST(SHOBJ_CC)
         AC_SUBST(SHOBJ_CFLAGS)
         AC_SUBST(SHOBJ_LD)
@@ -114,11 +264,20 @@ if test -f ${srcdir}/support/shobj-conf; then
         AC_SUBST(SHOBJ_STATUS)
        AC_SUBST(SHLIB_STATUS)
        AC_SUBST(SHLIB_XLDFLAGS)
+       AC_SUBST(SHLIB_DOT)
+       AC_SUBST(SHLIB_LIBPREF)
        AC_SUBST(SHLIB_LIBSUFF)
        AC_SUBST(SHLIB_LIBVERSION)
+       AC_SUBST(SHLIB_DLLVERSION)
        AC_SUBST(SHLIB_LIBS)
         AC_MSG_RESULT($SHLIB_STATUS)
 
+       # SHLIB_STATUS is either `supported' or `unsupported'.  If it's
+       # `unsupported', turn off any default shared library building
+       if test "$SHLIB_STATUS" = 'unsupported'; then
+               opt_shared_libs=no
+       fi
+
        # shared library versioning
        # quoted for m4 so I can use character classes
        SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`]
@@ -127,11 +286,31 @@ if test -f ${srcdir}/support/shobj-conf; then
        AC_SUBST(SHLIB_MINOR)
 fi
 
+if test "$opt_static_libs" = "yes"; then
+       STATIC_TARGET=static
+       STATIC_INSTALL_TARGET=install-static
+fi
+if test "$opt_shared_libs" = "yes"; then
+       SHARED_TARGET=shared
+       SHARED_INSTALL_TARGET=install-shared
+fi
+
+AC_SUBST(STATIC_TARGET)
+AC_SUBST(SHARED_TARGET)
+AC_SUBST(STATIC_INSTALL_TARGET)
+AC_SUBST(SHARED_INSTALL_TARGET)
+
 case "$host_os" in
 msdosdjgpp*)   BUILD_DIR=`pwd.exe` ;;  # to prevent //d/path/file
 *)             BUILD_DIR=`pwd` ;;
 esac
 
+case "$BUILD_DIR" in
+*\ *)  BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
+*)     ;;
+esac
+
+AC_SUBST(PURIFY)
 AC_SUBST(BUILD_DIR)
 
 AC_SUBST(CFLAGS)
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