diff options
Diffstat (limited to 'GTMDefines.h')
| -rw-r--r-- | GTMDefines.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/GTMDefines.h b/GTMDefines.h index 5a41e6e..c295848 100644 --- a/GTMDefines.h +++ b/GTMDefines.h @@ -341,8 +341,12 @@ #endif #ifndef GTM_NONNULL - #if __has_attribute(nonnull) - #define GTM_NONNULL(x) __attribute__((nonnull x)) + #if defined(__has_attribute) + #if __has_attribute(nonnull) + #define GTM_NONNULL(x) __attribute__((nonnull x)) + #else + #define GTM_NONNULL(x) + #endif #else #define GTM_NONNULL(x) #endif |