dnl -*- Autoconf -*-
+dnl Copyright (C) 1997, 1999, 2000, 2001, 2002, 2004, 2006,
+dnl 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+dnl
+dnl This file is part of GUILE
+dnl
+dnl GUILE is free software; you can redistribute it and/or modify it under
+dnl the terms of the GNU Lesser General Public License as published by the
+dnl Free Software Foundation; either version 3, or (at your option) any
+dnl later version.
+dnl
+dnl GUILE is distributed in the hope that it will be useful, but WITHOUT
+dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+dnl License for more details.
+dnl
+dnl You should have received a copy of the GNU Lesser General Public
+dnl License along with GUILE; see the file COPYING.LESSER. If not, write
+dnl to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
+dnl Floor, Boston, MA 02110-1301, USA.
+
+
dnl On the NeXT, #including <utime.h> doesn't give you a definition for
dnl struct utime, unless you #define _POSIX_SOURCE.
]
)
if test "$guile_cv_header_libc_with_unistd" = yes; then
- AC_DEFINE(LIBC_H_WITH_UNISTD_H, 1,
+ AC_DEFINE([LIBC_H_WITH_UNISTD_H], 1,
[Define this if we should include <libc.h> when we've already
included <unistd.h>. On some systems, they conflict, and libc.h
should be omitted. See GUILE_HEADER_LIBC_WITH_UNISTD in
done
AC_MSG_RESULT($attr_name)
if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
- AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name,
+ AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE], $attr_name,
[Define to necessary symbol if this constant
uses a non-standard name on your system.])
fi
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test x"$acx_pthread_ok" = xyes; then
- ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1])
+ ifelse([$1],,AC_DEFINE([HAVE_PTHREAD],1,[Define if you have POSIX threads libraries and header files.]),[$1])
:
else
acx_pthread_ok=no
AC_LANG_RESTORE
])dnl ACX_PTHREAD
+dnl GUILE_GNU_LD_RELRO
+dnl
+dnl Check whether GNU ld's read-only relocations (the `PT_GNU_RELRO'
+dnl ELF segment header) are supported. This allows things like
+dnl statically allocated cells (1) to eventually be remapped read-only
+dnl by the loader, and (2) to be identified as pointerless by the
+dnl garbage collector. Substitute `GNU_LD_FLAGS' with the relevant
+dnl flags.
+AC_DEFUN([GUILE_GNU_LD_RELRO], [
+ AC_MSG_CHECKING([whether the linker understands `-z relro'])
+
+ GNU_LD_FLAGS="-Wl,-z -Wl,relro"
+
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $GNU_LD_FLAGS"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ GNU_LD_FLAGS=""])
+ LDFLAGS="$save_LDFLAGS"
+
+ AC_SUBST([GNU_LD_FLAGS])
+])
+
+dnl GUILE_THREAD_LOCAL_STORAGE
+dnl
+dnl Check for compiler thread-local storage (TLS) support.
+AC_DEFUN([GUILE_THREAD_LOCAL_STORAGE], [
+ AC_CACHE_CHECK([whether the `__thread' storage class is available],
+ [ac_cv_have_thread_storage_class],
+ [dnl On some systems, e.g., NetBSD 5.0 with GCC 4.1, `__thread' is
+ dnl properly compiled but fails to link due to the lack of TLS
+ dnl support in the C library. Thus we try to link, not just
+ dnl compile. Unfortunately, this test is not enough, so we
+ dnl explicitly check for known-broken systems. See
+ dnl http://lists.gnu.org/archive/html/guile-devel/2009-10/msg00138.html
+ dnl for details.
+ dnl
+ dnl Known broken systems includes:
+ dnl - x86_64-unknown-netbsd5.0.
+ dnl - sparc-sun-solaris2.8
+ case "x$enable_shared--$host" in
+ xyes--*netbsd[0-5].[0-9].|xyes--*solaris2.8)
+ ac_cv_have_thread_storage_class="no"
+ ;;
+ *)
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([__thread int tls_integer;],
+ [tls_integer = 123;])],
+ [ac_cv_have_thread_storage_class="yes"],
+ [ac_cv_have_thread_storage_class="no"])
+ ;;
+ esac])
+
+ if test "x$ac_cv_have_thread_storage_class" = "xyes"; then
+ SCM_I_GSC_HAVE_THREAD_STORAGE_CLASS=1
+ else
+ SCM_I_GSC_HAVE_THREAD_STORAGE_CLASS=0
+ fi
+
+ AC_SUBST([SCM_I_GSC_HAVE_THREAD_STORAGE_CLASS])
+])
+
dnl GUILE_READLINE
dnl
dnl Check all the things needed by `guile-readline', the Readline
dnl bindings.
AC_DEFUN([GUILE_READLINE], [
- for termlib in ncurses curses termcap terminfo termlib ; do
+ for termlib in ncurses curses termcap terminfo termlib pdcurses ; do
AC_CHECK_LIB(${termlib}, [tgoto],
[READLINE_LIBS="-l${termlib} $READLINE_LIBS"; break])
done
dnl Check for modern readline naming
AC_CHECK_FUNCS([rl_filename_completion_function])
+ AC_CHECK_DECLS([rl_catch_signals, rl_catch_sigwinch], [], [],
+ [[#include <stdio.h>]
+ [#include <readline/readline.h>]])
dnl Check for rl_get_keymap. We only use this for deciding whether to
dnl install paren matching on the Guile command line (when using
LIBS="$rl_save_LIBS"
- READLINE_LIBS="$LTLIBREADLINE $READLINELIBS"
+ READLINE_LIBS="$LTLIBREADLINE $READLINE_LIBS"
fi
AM_CONDITIONAL([HAVE_READLINE], [test "x$LTLIBREADLINE" != "x"])
AC_SUBST(LIBGUILEREADLINE_INTERFACE_AGE)
AC_SUBST(LIBGUILEREADLINE_INTERFACE)
])
+
+dnl Declare file $1 to be a script that needs configuring,
+dnl and arrange to make it executable in the process.
+AC_DEFUN([GUILE_CONFIG_SCRIPT],[AC_CONFIG_FILES([$1],[chmod +x $1])])
HCoop / bpt / guile.git / blobdiff