mirror of
https://git.savannah.gnu.org/git/guile.git
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494 lines
15 KiB
Text
494 lines
15 KiB
Text
dnl configuration script for Guile
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dnl Process this file with autoconf to produce configure.
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dnl
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dnl Copyright (C) 1998, 1999 Free Software Foundation, Inc.
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dnl
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dnl This file is part of GUILE
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dnl
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dnl GUILE is free software; you can redistribute it and/or modify it
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dnl under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2, or (at your
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dnl option) any later version.
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dnl
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dnl GUILE is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with GUILE; see the file COPYING. If not, write to the
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dnl Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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dnl Boston, MA 02111-1307, USA.
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AC_INIT(Makefile.in)
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. $srcdir/GUILE-VERSION
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AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
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AM_MAINTAINER_MODE
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AM_CONFIG_HEADER(libguile/scmconfig.h)
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#--------------------------------------------------------------------
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#
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# Independent Subdirectories
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#
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#--------------------------------------------------------------------
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AC_CONFIG_SUBDIRS(guile-readline)
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#--------------------------------------------------------------------
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#
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# User options
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#
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#--------------------------------------------------------------------
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AC_ARG_ENABLE(guile-debug,
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[ --enable-guile-debug include internal debugging functions],
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if test "$enable_guile_debug" = y || test "$enable_guile_debug" = yes; then
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AC_DEFINE(GUILE_DEBUG)
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fi)
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AC_ARG_ENABLE(debug-freelist,
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[ --enable-debug-freelist Include garbage collector freelist debugging code],
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if test "$enable_debug_freelist" = y || test "$enable_debug_freelist" = yes; then
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AC_DEFINE(GUILE_DEBUG_FREELIST)
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fi)
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AC_ARG_ENABLE(arrays,
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[ --disable-arrays omit array and uniform array support],,
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enable_arrays=yes)
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AC_ARG_ENABLE(posix,
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[ --disable-posix omit posix interfaces],,
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enable_posix=yes)
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AC_ARG_ENABLE(networking,
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[ --disable-net omit networking interfaces],,
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enable_networking=yes)
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AC_ARG_ENABLE(regex,
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[ --disable-regex omit regular expression interfaces],,
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enable_regex=yes)
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dnl The --disable-debug used to control these two. But now they are
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dnl a required part of the distribution.
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AC_DEFINE(DEBUG_EXTENSIONS)
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AC_DEFINE(READER_EXTENSIONS)
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dnl files which are destined for separate modules.
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if test "$enable_arrays" = yes; then
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LIBOBJS="$LIBOBJS ramap.o unif.o"
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AC_DEFINE(HAVE_ARRAYS)
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fi
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if test "$enable_posix" = yes; then
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LIBOBJS="$LIBOBJS filesys.o posix.o"
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AC_DEFINE(HAVE_POSIX)
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fi
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if test "$enable_networking" = yes; then
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LIBOBJS="$LIBOBJS net_db.o socket.o"
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AC_DEFINE(HAVE_NETWORKING)
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fi
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#--------------------------------------------------------------------
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AC_LIBLTDL_CONVENIENCE
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AC_CONFIG_SUBDIRS(libltdl)
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AC_PROG_CC
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AC_PROG_CPP
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AC_LIBTOOL_DLOPEN
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AC_AIX
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AC_ISC_POSIX
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AC_MINIX
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AM_PROG_CC_STDC
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AM_PROG_LIBTOOL
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AC_C_CONST
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AC_C_INLINE
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AC_CHECK_SIZEOF(int)
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AC_CHECK_SIZEOF(long)
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AC_CACHE_CHECK([for long longs], scm_cv_long_longs,
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AC_TRY_COMPILE(,
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[long long a],
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scm_cv_long_longs=yes,
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scm_cv_long_longs=no))
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if test "$scm_cv_long_longs" = yes; then
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AC_DEFINE(HAVE_LONG_LONGS)
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fi
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AC_HEADER_STDC
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AC_HEADER_DIRENT
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AC_HEADER_TIME
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AC_HEADER_SYS_WAIT
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AC_CHECK_HEADERS(io.h libc.h limits.h malloc.h memory.h string.h regex.h rxposix.h rx/rxposix.h sys/ioctl.h sys/select.h sys/time.h sys/timeb.h sys/times.h sys/types.h sys/utime.h time.h unistd.h utime.h)
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GUILE_HEADER_LIBC_WITH_UNISTD
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AC_TYPE_GETGROUPS
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AC_TYPE_SIGNAL
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AC_TYPE_MODE_T
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AC_CHECK_LIB(m, main)
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AC_CHECK_FUNCS(gethostbyname)
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if test $ac_cv_func_gethostbyname = no; then
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AC_CHECK_LIB(nsl, gethostbyname)
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fi
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AC_CHECK_FUNCS(connect)
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if test $ac_cv_func_connect = no; then
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AC_CHECK_LIB(socket, connect)
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fi
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# Check for dynamic linking
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use_modules=yes
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AC_ARG_WITH(modules,
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[ --with-modules[=FILES] Add support for dynamic modules],
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use_modules="$withval")
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test -z "$use_modules" && use_modules=yes
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DLPREOPEN=
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if test "$use_modules" != no; then
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AC_DEFINE(DYNAMIC_LINKING)
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if test "$use_modules" = yes; then
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DLPREOPEN="-dlpreopen force"
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else
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DLPREOPEN="-export-dynamic"
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for module in $use_modules; do
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DLPREOPEN="$DLPREOPEN -dlopen $module"
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done
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fi
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fi
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AC_SUBST(INCLTDL)
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AC_SUBST(LIBLTDL)
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AC_SUBST(DLPREOPEN)
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AC_CHECK_FUNCS(ctermid ftime getcwd geteuid gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction siginterrupt strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid bzero strdup system usleep atexit on_exit)
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### Some systems don't declare some functions. On such systems, we
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### need to at least provide our own K&R-style declarations.
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### GUILE_FUNC_DECLARED(function, headerfile)
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### Check for a declaration of FUNCTION in HEADERFILE; if it is
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### not there, #define MISSING_FUNCTION_DECL.
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AC_DEFUN(GUILE_FUNC_DECLARED, [
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AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
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AC_EGREP_HEADER($1, $2,
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guile_cv_func_$1_declared=yes,
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guile_cv_func_$1_declared=no))
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if test [x$guile_cv_func_]$1[_declared] = xno; then
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AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL])
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fi
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])
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GUILE_FUNC_DECLARED(strptime, time.h)
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GUILE_FUNC_DECLARED(bzero, string.h)
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GUILE_FUNC_DECLARED(sleep, unistd.h)
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GUILE_FUNC_DECLARED(usleep, unistd.h)
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### On some systems usleep has no return value. If it does have one,
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### we'd like to return it; otherwise, we'll fake it.
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AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
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[AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
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/usr/include/unistd.h,
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[guile_cv_func_usleep_return_type=void],
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[guile_cv_func_usleep_return_type=int])])
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case "$guile_cv_func_usleep_return_type" in
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"void" )
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AC_DEFINE(USLEEP_RETURNS_VOID)
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;;
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esac
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dnl <GNU-WIN32 hacks>
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AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
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if test -n "$have_sys_un_h" ; then
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AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
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fi
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AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset)
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dnl I don't know what this prefixing of cygwin32_ is for.
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dnl scmconfig.h wasn't updated with the test results.
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dnl so use AC_CHECK_FUNCS for now.
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dnl how about:
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dnl save confdefs.h
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dnl if test $ac_cv_cigwin = yes; then
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dnl modify confdefs.h
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dnl fi
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dnl AC_CHECK_FUNCS...
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dnl restore confdefs.h
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dnl cp confdefs.h confdefs.h.bak
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dnl for func in gethostent sethostent endhostent getnetent setnetent endnetent getprotoent setprotoent endprotoent getservent setservent endservent getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof hstrerror; do
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dnl cp confdefs.h.bak confdefs.h
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dnl cat >> confdefs.h << EOF
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dnl #ifdef __CYGWIN32__
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dnl #define $func cygwin32_$func
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dnl #endif
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dnl EOF
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dnl AC_CHECK_FUNC($func)
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dnl done
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dnl cp confdefs.h.bak confdefs.h
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AC_CHECK_FUNCS(sethostent gethostent endhostent dnl
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setnetent getnetent endnetent dnl
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setprotoent getprotoent endprotoent dnl
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setservent getservent endservent dnl
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getnetbyaddr getnetbyname dnl
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inet_lnaof inet_makeaddr inet_netof hstrerror)
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dnl </GNU-WIN32 hacks>
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AC_MSG_CHECKING(whether localtime caches TZ)
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AC_CACHE_VAL(guile_cv_localtime_cache,
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[if test x$ac_cv_func_tzset = xyes; then
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AC_TRY_RUN([#include <time.h>
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#if STDC_HEADERS
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# include <stdlib.h>
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#endif
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extern char **environ;
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unset_TZ ()
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{
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char **from, **to;
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for (to = from = environ; (*to = *from); from++)
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if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
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to++;
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}
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char TZ_GMT0[] = "TZ=GMT0";
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char TZ_PST8[] = "TZ=PST8";
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main()
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{
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time_t now = time ((time_t *) 0);
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int hour_GMT0, hour_unset;
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if (putenv (TZ_GMT0) != 0)
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exit (1);
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hour_GMT0 = localtime (&now)->tm_hour;
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unset_TZ ();
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hour_unset = localtime (&now)->tm_hour;
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if (putenv (TZ_PST8) != 0)
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exit (1);
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if (localtime (&now)->tm_hour == hour_GMT0)
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exit (1);
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unset_TZ ();
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if (localtime (&now)->tm_hour != hour_unset)
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exit (1);
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exit (0);
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}], guile_cv_localtime_cache=no, guile_cv_localtime_cache=yes,
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[# If we have tzset, assume the worst when cross-compiling.
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guile_cv_localtime_cache=yes])
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else
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# If we lack tzset, report that localtime does not cache TZ,
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# since we can't invalidate the cache if we don't have tzset.
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guile_cv_localtime_cache=no
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fi])dnl
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AC_MSG_RESULT($guile_cv_localtime_cache)
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if test $guile_cv_localtime_cache = yes; then
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AC_DEFINE(LOCALTIME_CACHE)
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fi
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dnl Test whether system calls are restartable by default on the
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dnl current system. If they are not, we put a loop around every system
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dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
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dnl change from the default behaviour. On the other hand, if signals
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dnl are restartable then the loop is not installed and when libguile
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dnl initialises it also resets the behaviour of each signal to cause a
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dnl restart (in case a different runtime had a different default
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dnl behaviour for some reason: e.g., different versions of linux seem
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dnl to behave differently.)
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AC_SYS_RESTARTABLE_SYSCALLS
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if test "$enable_regex" = yes; then
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if test "$ac_cv_header_regex_h" = yes ||
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test "$ac_cv_header_rxposix_h" = yes ||
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test "$ac_cv_header_rx_rxposix_h" = yes; then
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GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
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[AC_CHECK_LIB(rx, main)
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GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
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)
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dnl The following should not be necessary, but for some reason
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dnl autoheader misses it if we don't include it!
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if test "$ac_cv_func_regcomp_norx" = yes ||
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test "$ac_cv_func_regcomp_rx" = yes; then
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AC_DEFINE(HAVE_REGCOMP)
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fi
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fi
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fi
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AC_REPLACE_FUNCS(inet_aton putenv strerror memmove)
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# When testing for the presence of alloca, we need to add alloca.o
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# explicitly to LIBOBJS to make sure that it is translated to
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# `alloca.lo' for libtool later on. This can and should be done more cleanly.
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AC_FUNC_ALLOCA
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if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
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AC_STRUCT_ST_RDEV
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AC_STRUCT_ST_BLKSIZE
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# We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
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# LIBOBJS, which we don't need. This seems more direct.
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AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
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[AC_TRY_COMPILE([#include <sys/types.h>
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#include <sys/stat.h>], [struct stat s; s.st_blocks;],
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ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
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if test $ac_cv_struct_st_blocks = yes; then
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AC_DEFINE(HAVE_ST_BLOCKS)
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fi
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AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK,
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[AC_TRY_CPP([#include <sys/stat.h>
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#ifndef S_ISLNK
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#error no S_ISLNK
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#endif],
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ac_cv_macro_S_ISLNK=yes,
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ac_cv_macro_S_ISLNK=no)])
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if test $ac_cv_macro_S_ISLNK = yes; then
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AC_DEFINE(HAVE_S_ISLNK)
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fi
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AC_STRUCT_TIMEZONE
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GUILE_STRUCT_UTIMBUF
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#--------------------------------------------------------------------
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#
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# Which way does the stack grow?
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#
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#--------------------------------------------------------------------
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AC_TRY_RUN(aux (l) unsigned long l;
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{ int x; exit (l >= ((unsigned long)&x)); }
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main () { int q; aux((unsigned long)&q); },
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AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
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AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
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[AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
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[guile_cv_type_float_fits_long=yes],
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[guile_cv_type_float_fits_long=no],
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[guile_cv_type_float_fits_long=guess-yes])])
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case $guile_cv_type_float_fits_long in
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"yes" )
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AC_DEFINE(SCM_SINGLES)
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;;
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"guess-yes" )
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AC_DEFINE(SCM_SINGLES)
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AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
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AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
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;;
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esac
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AC_MSG_CHECKING(for struct linger)
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AC_CACHE_VAL(scm_cv_struct_linger,
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AC_TRY_COMPILE([
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#include <sys/types.h>
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#include <sys/socket.h>],
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[struct linger lgr; lgr.l_linger = 100],
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scm_cv_struct_linger="yes",
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scm_cv_struct_linger="no"))
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AC_MSG_RESULT($scm_cv_struct_linger)
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if test $scm_cv_struct_linger = yes; then
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AC_DEFINE(HAVE_STRUCT_LINGER)
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fi
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#--------------------------------------------------------------------
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#
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# Flags for thread support
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#
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#--------------------------------------------------------------------
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### What thread package has the user asked for?
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AC_ARG_WITH(threads, [ --with-threads thread interface],
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, with_threads=no)
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### Turn $with_threads into either the name of a threads package, like
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### `qt', or `no', meaning that threads should not be supported.
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AC_MSG_CHECKING(whether to support threads)
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case "$with_threads" in
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"yes" | "qt" | "coop" | "")
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with_threads=qt
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;;
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"no" )
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;;
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* )
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AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
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;;
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esac
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AC_MSG_RESULT($with_threads)
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## Make sure the threads package we've chosen is actually supported on
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## the present platform.
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case "${with_threads}" in
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"qt" )
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## This configures the QuickThreads package, and sets or clears
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## the THREAD_PACKAGE variable if qthreads don't configure
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## correctly.
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QTHREADS_CONFIGURE
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;;
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esac
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## If we're using threads, bring in some other parts of Guile which
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## work with them.
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if test "${THREAD_PACKAGE}" != "" ; then
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AC_DEFINE(USE_THREADS, 1)
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## Include the Guile thread interface in the library...
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LIBOBJS="$LIBOBJS threads.o"
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## ... and tell it which package to talk to.
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case "${THREAD_PACKAGE}" in
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"QT" )
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AC_DEFINE(USE_COOP_THREADS, 1)
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;;
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* )
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AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
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;;
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esac
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## Bring in scm_internal_select, if appropriate.
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if test $ac_cv_func_gettimeofday = yes &&
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test $ac_cv_func_select = yes; then
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LIBOBJS="$LIBOBJS iselect.o"
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AC_DEFINE(GUILE_ISELECT, 1)
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fi
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fi
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## If we're using GCC, ask for aggressive warnings.
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case "$GCC" in
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yes )
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## We had -Wstrict-prototypes in here for a bit, but Guile does too
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|
## much stuff with generic function pointers for that to really be
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## less than exasperating.
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## -Wpointer-arith was here too, but something changed in gcc/glibc
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## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
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CFLAGS="$CFLAGS -Wall -Wmissing-prototypes" ;;
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esac
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AC_PROG_AWK
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## If we're creating a shared library (using libtool!), then we'll
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## need to generate a list of .lo files corresponding to the .o files
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## given in LIBOBJS. We'll call it LIBLOBJS.
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LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
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AC_SUBST(GUILE_MAJOR_VERSION)
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|
AC_SUBST(GUILE_MINOR_VERSION)
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|
AC_SUBST(GUILE_VERSION)
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|
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dnl Tell guile-config what flags guile users should link against.
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|
GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
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|
AC_SUBST(GUILE_LIBS)
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|
|
|
AC_SUBST(AWK)
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|
AC_SUBST(LIBLOBJS)
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|
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AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf libguile/guile-doc-snarf libguile/guile-func-name-check libguile/guile-snarf.awk libguile/versiondat.h ice-9/Makefile qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile guile-config/Makefile doc/Makefile], [chmod +x libguile/guile-snarf libguile/guile-doc-snarf libguile/guile-func-name-check])
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|
|
|
dnl Local Variables:
|
|
dnl comment-start: "dnl "
|
|
dnl comment-end: ""
|
|
dnl comment-start-skip: "\\bdnl\\b\\s *"
|
|
dnl
|