diff options
Diffstat (limited to 'm4/extensions.m4')
| -rw-r--r-- | m4/extensions.m4 | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/m4/extensions.m4 b/m4/extensions.m4 deleted file mode 100644 index 49760791..00000000 --- a/m4/extensions.m4 +++ /dev/null @@ -1,42 +0,0 @@ -# Enable extensions on systems that normally disable them. - -# Copyright (C) 2003, 2006 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. - -# This file is only needed in autoconf <= 2.59. Newer versions of autoconf -# have a macro AC_USE_SYSTEM_EXTENSIONS with identical semantics. - -# gl_USE_SYSTEM_EXTENSIONS -# ------------------------ -# Enable extensions on systems that normally disable them, -# typically due to standards-conformance issues. -AC_DEFUN([gl_USE_SYSTEM_EXTENSIONS], [ - AC_BEFORE([$0], [AC_COMPILE_IFELSE]) - AC_BEFORE([$0], [AC_RUN_IFELSE]) - - AC_REQUIRE([AC_GNU_SOURCE]) - AC_REQUIRE([AC_AIX]) - AC_REQUIRE([AC_MINIX]) - - AH_VERBATIM([__EXTENSIONS__], -[/* Enable extensions on Solaris. */ -#ifndef __EXTENSIONS__ -# undef __EXTENSIONS__ -#endif -#ifndef _POSIX_PTHREAD_SEMANTICS -# undef _POSIX_PTHREAD_SEMANTICS -#endif]) - AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__], - [ac_cv_safe_to_define___extensions__], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([ - #define __EXTENSIONS__ 1 - AC_INCLUDES_DEFAULT])], - [ac_cv_safe_to_define___extensions__=yes], - [ac_cv_safe_to_define___extensions__=no])]) - test $ac_cv_safe_to_define___extensions__ = yes && - AC_DEFINE([__EXTENSIONS__]) - AC_DEFINE([_POSIX_PTHREAD_SEMANTICS]) -]) |