diff options
Diffstat (limited to 'src/include/compiler.h')
| -rw-r--r-- | src/include/compiler.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/include/compiler.h b/src/include/compiler.h index 66e275c2b..16165b369 100644 --- a/src/include/compiler.h +++ b/src/include/compiler.h @@ -181,8 +181,15 @@ REQUEST_EXPANDED ( CONFIG_SYMBOL ); #ifndef ASSEMBLY -/** Declare a function as weak (use *before* the definition) */ -#define __weak __attribute__ (( weak )) +/** Declare a function as weak (use *before* the definition) + * + * Due to a bug in at least GCC 4.4.4 and earlier, weak symbols may be + * inlined if they have hidden visibility (see above for why hidden + * visibility is used). This results in the non-weak symbol never + * being used, so explicitly mark the function as noinline to prevent + * inlining. + */ +#define __weak __attribute__ (( weak, noinline )) #endif |