diff options
| author | Peter S. Mazinger <ps.m@gmx.net> | 2011-03-24 12:18:40 +0100 |
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2012-06-15 14:00:32 +0200 |
| commit | d2e776750d04e1855fc550c6cefe4031bb9ee6e8 (patch) | |
| tree | ad7bcbf4c27d840cc1511d067c15bd0b6c050ff4 | |
| parent | c5cb40e9fc0b6e17e94c716d75c495e98e593a79 (diff) | |
libc-symbols.h: fix weak functions handling
Move weak_function and weak_const_function under HAVE_WEAK_SYMBOLS guard
and provide fallbacks.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
| -rw-r--r-- | include/libc-symbols.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h index db91a38a1..da9445f87 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -196,12 +196,12 @@ # define _strong_alias_untyped(name, aliasname) \ extern __typeof (aliasname) aliasname __attribute__ ((alias (#name))); +# ifdef HAVE_WEAK_SYMBOLS + /* This comes between the return type and function name in a function definition to make that definition weak. */ -# define weak_function __attribute__ ((weak)) -# define weak_const_function __attribute__ ((weak, __const__)) - -# ifdef HAVE_WEAK_SYMBOLS +# define weak_function __attribute__ ((weak)) +# define weak_const_function __attribute__ ((weak, __const__)) /* Define ALIASNAME as a weak alias for NAME. If weak aliases are not available, this defines a strong alias. */ @@ -215,6 +215,9 @@ # else +# define weak_function /* empty */ +# define weak_const_function __attribute__ ((__const__)) + # define weak_alias(name, aliasname) strong_alias(name, aliasname) # define weak_extern(symbol) /* Nothing. */ |