+++ /dev/null
-# gnulib-common.m4 serial 11
-dnl Copyright (C) 2007-2009 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-# gl_COMMON
-# is expanded unconditionally through gnulib-tool magic.
-AC_DEFUN([gl_COMMON], [
- dnl Use AC_REQUIRE here, so that the code is expanded once only.
- AC_REQUIRE([gl_00GNULIB])
- AC_REQUIRE([gl_COMMON_BODY])
-])
-AC_DEFUN([gl_COMMON_BODY], [
- AH_VERBATIM([isoc99_inline],
-[/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports
- the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of
- earlier versions), but does not display it by setting __GNUC_STDC_INLINE__.
- __APPLE__ && __MACH__ test for MacOS X.
- __APPLE_CC__ tests for the Apple compiler and its version.
- __STDC_VERSION__ tests for the C99 mode. */
-#if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__
-# define __GNUC_STDC_INLINE__ 1
-#endif])
- AH_VERBATIM([unused_parameter],
-[/* Define as a marker that can be attached to function parameter declarations
- for parameters that are not used. This helps to reduce warnings, such as
- from GCC -Wunused-parameter. */
-#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
-# define _UNUSED_PARAMETER_ __attribute__ ((__unused__))
-#else
-# define _UNUSED_PARAMETER_
-#endif
-])
-])
-
-# gl_MODULE_INDICATOR([modulename])
-# defines a C macro indicating the presence of the given module.
-AC_DEFUN([gl_MODULE_INDICATOR],
-[
- AC_DEFINE([GNULIB_]translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],
- [Define to 1 when using the gnulib module ]$1[.])
-])
-
-# m4_foreach_w
-# is a backport of autoconf-2.59c's m4_foreach_w.
-# Remove this macro when we can assume autoconf >= 2.60.
-m4_ifndef([m4_foreach_w],
- [m4_define([m4_foreach_w],
- [m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])
-
-# AC_PROG_MKDIR_P
-# is a backport of autoconf-2.60's AC_PROG_MKDIR_P.
-# Remove this macro when we can assume autoconf >= 2.60.
-m4_ifdef([AC_PROG_MKDIR_P], [], [
- AC_DEFUN_ONCE([AC_PROG_MKDIR_P],
- [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake
- MKDIR_P='$(mkdir_p)'
- AC_SUBST([MKDIR_P])])])
-
-# AC_C_RESTRICT
-# This definition overrides the AC_C_RESTRICT macro from autoconf 2.60..2.61,
-# so that mixed use of GNU C and GNU C++ and mixed use of Sun C and Sun C++
-# works.
-# This definition can be removed once autoconf >= 2.62 can be assumed.
-AC_DEFUN([AC_C_RESTRICT],
-[AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict],
- [ac_cv_c_restrict=no
- # The order here caters to the fact that C++ does not require restrict.
- for ac_kw in __restrict __restrict__ _Restrict restrict; do
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
- [[typedef int * int_ptr;
- int foo (int_ptr $ac_kw ip) {
- return ip[0];
- }]],
- [[int s[1];
- int * $ac_kw t = s;
- t[0] = 0;
- return foo(t)]])],
- [ac_cv_c_restrict=$ac_kw])
- test "$ac_cv_c_restrict" != no && break
- done
- ])
- AH_VERBATIM([restrict],
-[/* Define to the equivalent of the C99 'restrict' keyword, or to
- nothing if this is not supported. Do not define if restrict is
- supported directly. */
-#undef restrict
-/* Work around a bug in Sun C++: it does not support _Restrict, even
- though the corresponding Sun C compiler does, which causes
- "#define restrict _Restrict" in the previous line. Perhaps some future
- version of Sun C++ will work with _Restrict; if so, it'll probably
- define __RESTRICT, just as Sun C does. */
-#if defined __SUNPRO_CC && !defined __RESTRICT
-# define _Restrict
-#endif])
- case $ac_cv_c_restrict in
- restrict) ;;
- no) AC_DEFINE([restrict], []) ;;
- *) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
- esac
-])
-
-# gl_BIGENDIAN
-# is like AC_C_BIGENDIAN, except that it can be AC_REQUIREd.
-# Note that AC_REQUIRE([AC_C_BIGENDIAN]) does not work reliably because some
-# macros invoke AC_C_BIGENDIAN with arguments.
-AC_DEFUN([gl_BIGENDIAN],
-[
- AC_C_BIGENDIAN
-])
-
-# gl_CACHE_VAL_SILENT(cache-id, command-to-set-it)
-# is like AC_CACHE_VAL(cache-id, command-to-set-it), except that it does not
-# output a spurious "(cached)" mark in the midst of other configure output.
-# This macro should be used instead of AC_CACHE_VAL when it is not surrounded
-# by an AC_MSG_CHECKING/AC_MSG_RESULT pair.
-AC_DEFUN([gl_CACHE_VAL_SILENT],
-[
- saved_as_echo_n="$as_echo_n"
- as_echo_n=':'
- AC_CACHE_VAL([$1], [$2])
- as_echo_n="$saved_as_echo_n"
-])
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