diff options
Diffstat (limited to 'src/libs/gnulib/m4/extensions.m4')
| -rw-r--r-- | src/libs/gnulib/m4/extensions.m4 | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/src/libs/gnulib/m4/extensions.m4 b/src/libs/gnulib/m4/extensions.m4 index 6d17d8a7..33daf385 100644 --- a/src/libs/gnulib/m4/extensions.m4 +++ b/src/libs/gnulib/m4/extensions.m4 @@ -1,7 +1,7 @@ -# serial 12 -*- Autoconf -*- +# serial 13 -*- Autoconf -*- # Enable extensions on systems that normally disable them. -# Copyright (C) 2003, 2006-2012 Free Software Foundation, Inc. +# Copyright (C) 2003, 2006-2013 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. @@ -30,6 +30,7 @@ # ------------------------ # Enable extensions on systems that normally disable them, # typically due to standards-conformance issues. +# # Remember that #undef in AH_VERBATIM gets replaced with #define by # AC_DEFINE. The goal here is to define all known feature-enabling # macros, then, if reports of conflicts are made, disable macros that @@ -38,8 +39,6 @@ AC_DEFUN_ONCE([AC_USE_SYSTEM_EXTENSIONS], [AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl AC_BEFORE([$0], [AC_RUN_IFELSE])dnl - AC_REQUIRE([AC_CANONICAL_HOST]) - AC_CHECK_HEADER([minix/config.h], [MINIX=yes], [MINIX=]) if test "$MINIX" = yes; then AC_DEFINE([_POSIX_SOURCE], [1], @@ -50,24 +49,18 @@ AC_BEFORE([$0], [AC_RUN_IFELSE])dnl except with this defined.]) AC_DEFINE([_MINIX], [1], [Define to 1 if on MINIX.]) + AC_DEFINE([_NETBSD_SOURCE], [1], + [Define to 1 to make NetBSD features available. MINIX 3 needs this.]) fi - dnl HP-UX 11.11 defines mbstate_t only if _XOPEN_SOURCE is defined to 500, - dnl regardless of whether the flags -Ae or _D_HPUX_SOURCE=1 are already - dnl provided. - case "$host_os" in - hpux*) - AC_DEFINE([_XOPEN_SOURCE], [500], - [Define to 500 only on HP-UX.]) - ;; - esac - - AH_VERBATIM([__EXTENSIONS__], +dnl Use a different key than __EXTENSIONS__, as that name broke existing +dnl configure.ac when using autoheader 2.62. + AH_VERBATIM([USE_SYSTEM_EXTENSIONS], [/* Enable extensions on AIX 3, Interix. */ #ifndef _ALL_SOURCE # undef _ALL_SOURCE #endif -/* Enable general extensions on Mac OS X. */ +/* Enable general extensions on OS X. */ #ifndef _DARWIN_C_SOURCE # undef _DARWIN_C_SOURCE #endif @@ -75,6 +68,11 @@ AC_BEFORE([$0], [AC_RUN_IFELSE])dnl #ifndef _GNU_SOURCE # undef _GNU_SOURCE #endif +/* HP-UX 11.11 defines mbstate_t only if _XOPEN_SOURCE is defined to 500, + regardless of whether compiling with -Ae or -D_HPUX_SOURCE=1. */ +#ifdef __hpux +# define _XOPEN_SOURCE 500 +#endif /* Enable threading extensions on Solaris. */ #ifndef _POSIX_PTHREAD_SEMANTICS # undef _POSIX_PTHREAD_SEMANTICS |