diff options
Diffstat (limited to 'm4/extensions.m4')
| -rw-r--r-- | m4/extensions.m4 | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/m4/extensions.m4 b/m4/extensions.m4 index b7ee9ef130..ba6d5e190f 100644 --- a/m4/extensions.m4 +++ b/m4/extensions.m4 @@ -1,4 +1,4 @@ -# serial 7 -*- Autoconf -*- +# serial 8 -*- Autoconf -*- # Enable extensions on systems that normally disable them. # Copyright (C) 2003, 2006-2009 Free Software Foundation, Inc. @@ -20,7 +20,7 @@ # AC_DEFINE. The goal here is to define all known feature-enabling # macros, then, if reports of conflicts are made, disable macros that # cause problems on some platforms (such as __EXTENSIONS__). -AC_DEFUN([AC_USE_SYSTEM_EXTENSIONS], +AC_DEFUN_ONCE([AC_USE_SYSTEM_EXTENSIONS], [AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl AC_BEFORE([$0], [AC_RUN_IFELSE])dnl @@ -90,7 +90,7 @@ AC_BEFORE([$0], [AC_RUN_IFELSE])dnl # ------------------------ # Enable extensions on systems that normally disable them, # typically due to standards-conformance issues. -AC_DEFUN([gl_USE_SYSTEM_EXTENSIONS], +AC_DEFUN_ONCE([gl_USE_SYSTEM_EXTENSIONS], [ dnl Require this macro before AC_USE_SYSTEM_EXTENSIONS. dnl gnulib does not need it. But if it gets required by third-party macros |