diff options
| author | Matt Turner <mattst88@gmail.com> | 2016-05-13 13:17:02 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2016-05-16 11:06:15 -0700 |
| commit | 377ab2f2d781aef9408f26b24bb8b17426be6606 (patch) | |
| tree | c8b863c2af4344c669590c3561091d13c5b66a68 /m4 | |
| parent | 40c6d54e76c5e5859a78841ed305935b2ca6922c (diff) | |
util: Add ATTRIBUTE_RETURNS_NONNULL.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ax_gcc_func_attribute.m4 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/m4/ax_gcc_func_attribute.m4 b/m4/ax_gcc_func_attribute.m4 index 4e0ecbb56c..2e67ea2926 100644 --- a/m4/ax_gcc_func_attribute.m4 +++ b/m4/ax_gcc_func_attribute.m4 @@ -53,6 +53,7 @@ # optimize # packed # pure +# returns_nonnull # unused # used # visibility @@ -76,6 +77,9 @@ #serial 2 +# mattst88: +# Added support for returns_nonnull attribute + AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [ AS_VAR_PUSHDEF([ac_var], [ax_cv_have_func_attribute_$1]) @@ -175,6 +179,9 @@ AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [ [pure], [ int foo( void ) __attribute__(($1)); ], + [returns_nonnull], [ + int *foo( void ) __attribute__(($1)); + ], [unused], [ int foo( void ) __attribute__(($1)); ], |