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include: fix SND_DLSYM_BUILD_VERSION() for static build

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Correct the dlsym_name string for nested macros. See Fixes:.

Fixes: https://github.com/alsa-project/alsa-lib/issues/316
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2023-05-16 09:14:46 +02:00
parent 3661bdae35
commit 55cdf2fd63
1 changed files with 6 additions and 6 deletions
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12
include/global.h
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@ -71,6 +71,11 @@ struct snd_dlsym_link {
extern struct snd_dlsym_link *snd_dlsym_start;
#ifndef __STRING
/** \brief Return 'x' argument as string */
#define __STRING(x) #x
#endif
/** \hideinitializer \brief Helper macro for #SND_DLSYM_BUILD_VERSION. */
#define __SND_DLSYM_VERSION(prefix, name, version) _ ## prefix ## name ## version
/**
@ -82,18 +87,13 @@ extern struct snd_dlsym_link *snd_dlsym_start;
void __SND_DLSYM_VERSION(snd_dlsym_constructor_, name, version) (void) __attribute__ ((constructor)); \
void __SND_DLSYM_VERSION(snd_dlsym_constructor_, name, version) (void) { \
__SND_DLSYM_VERSION(snd_dlsym_, name, version).next = snd_dlsym_start; \
__SND_DLSYM_VERSION(snd_dlsym_, name, version).dlsym_name = # name; \
__SND_DLSYM_VERSION(snd_dlsym_, name, version).dlsym_name = __STRING(name); \
__SND_DLSYM_VERSION(snd_dlsym_, name, version).dlsym_ptr = (void *)&name; \
snd_dlsym_start = &__SND_DLSYM_VERSION(snd_dlsym_, name, version); \
}
#endif
#ifndef __STRING
/** \brief Return 'x' argument as string */
#define __STRING(x) #x
#endif
/** \brief Returns the version of a dynamic symbol as a string. */
#define SND_DLSYM_VERSION(version) __STRING(version)