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include: alsa-symbols.h - use newer gcc symver function attribute

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Use the symver function attribute for newer gccs (version 11+).
The symver function attribute was introduced probably earlier
(gcc-10). We can fix that on demand later.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2022-11-09 15:04:06 +01:00
parent 161f47da5f
commit 152983f01b
1 changed files with 7 additions and 0 deletions
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7
include/alsa-symbols.h
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@ -29,10 +29,17 @@
#define INTERNAL_CONCAT2_2(Pre, Post) Pre##Post
#define INTERNAL(Name) INTERNAL_CONCAT2_2(__, Name)
#if __GNUC__ > 10
#define symbol_version(real, name, version) \
extern __typeof (real) real __attribute__((symver (#name "@" #version)))
#define default_symbol_version(real, name, version) \
extern __typeof (real) real __attribute__((symver (#name "@@" #version)))
#else
#define symbol_version(real, name, version) \
__asm__ (".symver " ASM_NAME(#real) "," ASM_NAME(#name) "@" #version)
#define default_symbol_version(real, name, version) \
__asm__ (".symver " ASM_NAME(#real) "," ASM_NAME(#name) "@@" #version)
#endif
#ifdef __clang__
#define EXPORT_SYMBOL __attribute__((visibility("default")))