diff options
author | Eric Blake <ebb9@byu.net> | 2009-01-26 09:24:23 -0700 |
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committer | Eric Blake <ebb9@byu.net> | 2009-01-26 09:25:46 -0700 |
commit | 984e414921a4e22c44d877d3f10fd55ae942397b (patch) | |
tree | 3c52b80587de7f0353f6f95fa11be805ea4d7a9d /m4/extensions.m4 | |
parent | fcf62c3dfcc0a9ca32860327494e9971623f062c (diff) | |
download | gnulib-984e414921a4e22c44d877d3f10fd55ae942397b.tar.gz |
Silence warning reintroduced by recent extensions patch.
* m4/extensions.m4 (AC_USE_SYSTEM_EXTENSIONS)
(gl_USE_SYSTEM_EXTENSIONS): Use AC_DEFUN_ONCE to silence newer
autoconf.
Signed-off-by: Eric Blake <ebb9@byu.net>
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 |