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binutils-gdb/readline/configure.ac
Tom Tromey cb41b9e70e Import readline 8.0 
This imports readline 8.0.

readline/ChangeLog.gdb
2019-08-12  Tom Tromey  <tom@tromey.com>

	* Imported readline 8.0.
2019-08-12 10:57:56 -06:00

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dnl
dnl Configure script for readline library
dnl
dnl report bugs to chet@po.cwru.edu
dnl
dnl Process this file with autoconf to produce a configure script.
# Copyright (C) 1987-2018 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
AC_REVISION([for Readline 8.0, version 2.85])
m4_include([../config/override.m4])
AC_INIT(readline, 8.0, bug-readline@gnu.org)
dnl make sure we are using a recent autoconf version
AC_PREREQ(2.50)
AC_CONFIG_SRCDIR(readline.h)
dnl GDB LOCAL
dnl AC_CONFIG_AUX_DIR(./support)
AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
AC_CONFIG_HEADERS(config.h)
dnl update the value of RL_READLINE_VERSION in readline.h when this changes
LIBVERSION=8.0
AC_CANONICAL_HOST
AC_CANONICAL_BUILD
dnl configure defaults
opt_curses=no
dnl arguments to configure
AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
if test "$opt_curses" = "yes"; then
prefer_curses=yes
fi
dnl option parsing for optional features
opt_multibyte=yes
opt_static_libs=yes
opt_shared_libs=no
opt_install_examples=no
AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$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)
AC_ARG_ENABLE(install-examples, AC_HELP_STRING([--disable-install-examples], [don't install examples [[default=install]]]), opt_install_examples=$enableval)
if test $opt_multibyte = no; then
AC_DEFINE(NO_MULTIBYTE_SUPPORT)
fi
dnl load up the cross-building cache file -- add more cases and cache
dnl files as necessary
dnl Note that host and target machine are the same, and different than the
dnl build machine.
CROSS_COMPILE=
if test "x$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
# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_CHECK_TOOL(AR, ar)
dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
dnl This allows people to set it when running configure or make
test -n "$ARFLAGS" || ARFLAGS="cr"
AC_PROG_RANLIB
MAKE_SHELL=/bin/sh
AC_SUBST(MAKE_SHELL)
AC_C_CONST
AC_C_PROTOTYPES
AC_C_CHAR_UNSIGNED
AC_C_VOLATILE
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(fcntl kill lstat readlink)
AC_CHECK_FUNCS(fnmatch memmove pselect putenv select setenv setlocale \
strcasecmp strpbrk tcgetattr vsnprintf)
AC_CHECK_FUNCS(isascii isxdigit)
AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
AC_FUNC_CHOWN
AC_FUNC_STRCOLL
AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h stdbool.h \
string.h strings.h \
limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h)
AC_CHECK_HEADERS(sys/ioctl.h 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
]])
AC_SYS_LARGEFILE
BASH_SYS_SIGNAL_VINTAGE
BASH_SYS_REINSTALL_SIGHANDLERS
BASH_FUNC_POSIX_SETJMP
BASH_FUNC_LSTAT
BASH_FUNC_STRCOLL
BASH_FUNC_CTYPE_NONASCII
BASH_CHECK_GETPW_FUNCS
AC_HEADER_TIOCGWINSZ
BASH_TYPE_SIG_ATOMIC_T
BASH_TYPE_SIGHANDLER
BASH_HAVE_TIOCSTAT
BASH_HAVE_FIONREAD
BASH_CHECK_SPEED_T
BASH_STRUCT_WINSIZE
BASH_STRUCT_DIRENT_D_INO
BASH_STRUCT_DIRENT_D_FILENO
AC_CHECK_HEADERS(libaudit.h)
AC_CHECK_DECLS([AUDIT_USER_TTY],,, [[#include <linux/audit.h>]])
dnl yuck
case "$host_os" in
aix*) prefer_curses=yes ;;
esac
BASH_CHECK_LIB_TERMCAP
if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
if test "$prefer_curses" = yes; then
TERMCAP_LIB=-lcurses
else
TERMCAP_LIB=-ltermcap #default
fi
fi
# Windows ncurses installation
if test "$TERMCAP_LIB" = "-lncurses"; then
AC_CHECK_HEADERS(ncurses/termcap.h)
fi
case "$TERMCAP_LIB" in
-ltinfo) TERMCAP_PKG_CONFIG_LIB=tinfo ;;
-lcurses) TERMCAP_PKG_CONFIG_LIB=ncurses ;;
-lncurses) TERMCAP_PKG_CONFIG_LIB=ncurses ;;
-ltermcap) TERMCAP_PKG_CONFIG_LIB=termcap ;;
*) TERMCAP_PKG_CONFIG_LIB=termcap ;;
esac
BASH_CHECK_MULTIBYTE
case "$host_cpu" in
*cray*) LOCAL_CFLAGS=-DCRAY ;;
*s390*) LOCAL_CFLAGS=-fsigned-char ;;
esac
case "$host_os" in
isc*) LOCAL_CFLAGS=-Disc386 ;;
esac
# shared library configuration section
#
# Shared object configuration section. These values are generated by
# ${srcdir}/support/shobj-conf
#
if test -f ${srcdir}/support/shobj-conf; then
AC_MSG_CHECKING(configuration for building shared libraries)
eval `TERMCAP_LIB=$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 $TERMCAP_LIB" ;;
# esac
AC_SUBST(SHOBJ_CC)
AC_SUBST(SHOBJ_CFLAGS)
AC_SUBST(SHOBJ_LD)
AC_SUBST(SHOBJ_LDFLAGS)
AC_SUBST(SHOBJ_XLDFLAGS)
AC_SUBST(SHOBJ_LIBS)
AC_SUBST(SHOBJ_STATUS)
AC_SUBST(SHLIB_STATUS)
AC_SUBST(SHLIB_XLDFLAGS)
AC_SUBST(SHLIB_DOT)
AC_SUBST(SHLIB_LIBPREF)
AC_SUBST(SHLIB_LIBSUFF)
AC_SUBST(SHLIB_LIBVERSION)
AC_SUBST(SHLIB_DLLVERSION)
AC_SUBST(SHLIB_LIBS)
AC_MSG_RESULT($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" : '\([0-9]\)\..*'`]
SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`]
AC_SUBST(SHLIB_MAJOR)
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)
if test "$opt_install_examples" = "yes"; then
EXAMPLES_INSTALL_TARGET=install-examples
fi
AC_SUBST(EXAMPLES_INSTALL_TARGET)
case "$build_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(BUILD_DIR)
AC_SUBST(CFLAGS)
AC_SUBST(LOCAL_CFLAGS)
AC_SUBST(LOCAL_LDFLAGS)
AC_SUBST(LOCAL_DEFS)
AC_SUBST(AR)
AC_SUBST(ARFLAGS)
AC_SUBST(host_cpu)
AC_SUBST(host_os)
AC_SUBST(LIBVERSION)
AC_SUBST(TERMCAP_LIB)
AC_SUBST(TERMCAP_PKG_CONFIG_LIB)
AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile readline.pc],
[
# Makefile uses this timestamp file to record whether config.h is up to date.
echo > stamp-h
])
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