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| author | Corey Farrell <git@cfware.com> | 2017-11-11 01:04:27 -0500 |
|---|---|---|
| committer | Corey Farrell <git@cfware.com> | 2017-11-11 10:58:25 -0500 |
| commit | 21835b37a44eca08d798d9059b2876e0c295318c (patch) | |
| tree | 3b1a54a6dc786d9a014a99d7c0a2f1a44e2a2a75 /m4/ax_gcc_func_attribute.m4 | |
| parent | 42e829c6dbf65af7717056b7708364b4673136d4 (diff) | |
| download | autoconf-archive-21835b37a44eca08d798d9059b2876e0c295318c.tar.gz | |
AX_GCC_FUNC_ATTRIBUTE: Add support for 'sentinel' attribute.
Diffstat (limited to 'm4/ax_gcc_func_attribute.m4')
| -rw-r--r-- | m4/ax_gcc_func_attribute.m4 | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/m4/ax_gcc_func_attribute.m4 b/m4/ax_gcc_func_attribute.m4 index a9a58ec..098c9aa 100644 --- a/m4/ax_gcc_func_attribute.m4 +++ b/m4/ax_gcc_func_attribute.m4 @@ -54,6 +54,8 @@ # nothrow # optimize # pure +# sentinel +# sentinel_position # unused # used # visibility @@ -75,7 +77,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 8 +#serial 9 AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [ AS_VAR_PUSHDEF([ac_var], [ax_cv_have_func_attribute_$1]) @@ -179,6 +181,12 @@ AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [ [pure], [ int foo( void ) __attribute__(($1)); ], + [sentinel], [ + int foo(void *p, ...) __attribute__(($1)); + ], + [sentinel_position], [ + int foo(void *p, ...) __attribute__(($1(1))); + ], [returns_nonnull], [ void *foo( void ) __attribute__(($1)); ], |