diff options
Diffstat (limited to 'src/libs/gnulib/m4/gnulib-common.m4')
| -rw-r--r-- | src/libs/gnulib/m4/gnulib-common.m4 | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/libs/gnulib/m4/gnulib-common.m4 b/src/libs/gnulib/m4/gnulib-common.m4 index ae4d2548..f3ba8d56 100644 --- a/src/libs/gnulib/m4/gnulib-common.m4 +++ b/src/libs/gnulib/m4/gnulib-common.m4 @@ -1,4 +1,4 @@ -# gnulib-common.m4 serial 32 +# gnulib-common.m4 serial 33 dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -14,7 +14,8 @@ AC_DEFUN([gl_COMMON], [ AC_DEFUN([gl_COMMON_BODY], [ AH_VERBATIM([_Noreturn], [/* The _Noreturn keyword of C11. */ -#ifndef _Noreturn +#if ! (defined _Noreturn \ + || (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__)) # if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \ || 0x5110 <= __SUNPRO_C) # define _Noreturn __attribute__ ((__noreturn__)) @@ -29,7 +30,7 @@ AC_DEFUN([gl_COMMON_BODY], [ [/* 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__ && __MACH__ test for Mac OS 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__ @@ -293,6 +294,8 @@ Amsterdam # for interoperability with automake-1.9.6 from autoconf-2.62. # Remove this macro when we can assume autoconf >= 2.62 or # autoconf >= 2.60 && automake >= 1.10. +# AC_AUTOCONF_VERSION was introduced in 2.62, so use that as the witness. +m4_ifndef([AC_AUTOCONF_VERSION],[ m4_ifdef([AC_PROG_MKDIR_P], [ dnl For automake-1.9.6 && autoconf < 2.62: Ensure MKDIR_P is AC_SUBSTed. m4_define([AC_PROG_MKDIR_P], @@ -303,13 +306,15 @@ m4_ifdef([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. -m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.62]),[-1],[ +# AC_AUTOCONF_VERSION was introduced in 2.62, so use that as the witness. +m4_ifndef([AC_AUTOCONF_VERSION],[ AC_DEFUN([AC_C_RESTRICT], [AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict], [ac_cv_c_restrict=no |