diff options
| author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-12-13 01:53:28 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-12-13 01:53:28 +0000 |
| commit | 0f55c533b6a420ceba46cfe8178880d50b639535 (patch) | |
| tree | f7db1d44c1048657ffac61cdba0c08ec835e63e6 /include | |
| parent | abb77f08cc8f6b0d1c9961704e74a2e52d8d838b (diff) | |
*: document __USE_EXTERN_INLINES better;
fix uclibc build if it is forcibly enabled
Diffstat (limited to 'include')
| -rw-r--r-- | include/features.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/include/features.h b/include/features.h index defdd04c6..1d92a8213 100644 --- a/include/features.h +++ b/include/features.h @@ -365,9 +365,17 @@ #endif /* !ASSEMBLER */ -/* Decide whether we can define 'extern inline' functions in headers. */ -#if __GNUC_PREREQ (2, 7) && defined __OPTIMIZE__ \ - && !defined __OPTIMIZE_SIZE__ && !defined __NO_INLINE__ \ +/* Decide whether we can, and are willing to define extern inline + * functions in headers, even if this results in a slightly bigger + * code for user programs built against uclibc. + * Enabled only in -O2 compiles, not -Os. + * uclibc itself is usually built without __USE_EXTERN_INLINES, + * remove "&& !defined __OPTIMIZE_SIZE__" part to do otherwise. + */ +#if __GNUC_PREREQ (2, 7) \ + && defined __OPTIMIZE__ \ + && !defined __OPTIMIZE_SIZE__ \ + && !defined __NO_INLINE__ \ && (defined __extern_inline || defined __GNUC_GNU_INLINE__) # define __USE_EXTERN_INLINES 1 #endif |