Imported Upstream version 1.4.13+git200906171200
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@ -1,9 +1,39 @@
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# gnulib-common.m4 serial 3
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dnl Copyright (C) 2007 Free Software Foundation, Inc.
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# gnulib-common.m4 serial 11
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dnl Copyright (C) 2007-2009 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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# gl_COMMON
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# is expanded unconditionally through gnulib-tool magic.
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AC_DEFUN([gl_COMMON], [
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dnl Use AC_REQUIRE here, so that the code is expanded once only.
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AC_REQUIRE([gl_00GNULIB])
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AC_REQUIRE([gl_COMMON_BODY])
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])
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AC_DEFUN([gl_COMMON_BODY], [
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AH_VERBATIM([isoc99_inline],
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[/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports
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the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of
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earlier versions), but does not display it by setting __GNUC_STDC_INLINE__.
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__APPLE__ && __MACH__ test for MacOS X.
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__APPLE_CC__ tests for the Apple compiler and its version.
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__STDC_VERSION__ tests for the C99 mode. */
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#if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__
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# define __GNUC_STDC_INLINE__ 1
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#endif])
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AH_VERBATIM([unused_parameter],
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[/* Define as a marker that can be attached to function parameter declarations
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for parameters that are not used. This helps to reduce warnings, such as
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from GCC -Wunused-parameter. */
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#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
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# define _UNUSED_PARAMETER_ __attribute__ ((__unused__))
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#else
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# define _UNUSED_PARAMETER_
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#endif
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])
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])
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# gl_MODULE_INDICATOR([modulename])
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# defines a C macro indicating the presence of the given module.
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AC_DEFUN([gl_MODULE_INDICATOR],
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[Define to 1 when using the gnulib module ]$1[.])
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])
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# m4_foreach_w
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# is a backport of autoconf-2.59c's m4_foreach_w.
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# Remove this macro when we can assume autoconf >= 2.60.
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m4_ifndef([m4_foreach_w],
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[m4_define([m4_foreach_w],
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[m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])
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# AC_PROG_MKDIR_P
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# is a backport of autoconf-2.60's AC_PROG_MKDIR_P.
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# Remove this macro when we can assume autoconf >= 2.60.
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m4_ifdef([AC_PROG_MKDIR_P], [], [
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AC_DEFUN([AC_PROG_MKDIR_P],
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AC_DEFUN_ONCE([AC_PROG_MKDIR_P],
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[AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake
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MKDIR_P='$(mkdir_p)'
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AC_SUBST([MKDIR_P])])])
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# works.
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# This definition can be removed once autoconf >= 2.62 can be assumed.
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AC_DEFUN([AC_C_RESTRICT],
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[AC_CACHE_CHECK([for C/C++ restrict keyword], ac_cv_c_restrict,
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[AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict],
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[ac_cv_c_restrict=no
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# The order here caters to the fact that C++ does not require restrict.
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for ac_kw in __restrict __restrict__ _Restrict restrict; do
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*) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
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esac
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])
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# gl_BIGENDIAN
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# is like AC_C_BIGENDIAN, except that it can be AC_REQUIREd.
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# Note that AC_REQUIRE([AC_C_BIGENDIAN]) does not work reliably because some
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# macros invoke AC_C_BIGENDIAN with arguments.
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AC_DEFUN([gl_BIGENDIAN],
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[
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AC_C_BIGENDIAN
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])
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# gl_CACHE_VAL_SILENT(cache-id, command-to-set-it)
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# is like AC_CACHE_VAL(cache-id, command-to-set-it), except that it does not
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# output a spurious "(cached)" mark in the midst of other configure output.
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# This macro should be used instead of AC_CACHE_VAL when it is not surrounded
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# by an AC_MSG_CHECKING/AC_MSG_RESULT pair.
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AC_DEFUN([gl_CACHE_VAL_SILENT],
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[
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saved_as_echo_n="$as_echo_n"
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as_echo_n=':'
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AC_CACHE_VAL([$1], [$2])
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as_echo_n="$saved_as_echo_n"
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])
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