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BUILD: make dladdr1 depend on glibc version and not __USE_GNU

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Technically speaking the call was implemented in glibc 2.3 so we must
rely on this and not on __USE_GNU which is an internal define of glibc
to track use of GNU_SOURCE.
This commit is contained in:
Willy Tarreau 2020-03-10 07:51:48 +01:00
parent 9a0dfa5298
commit 62af9c83f9
1 changed files with 1 additions and 1 deletions
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src/standard.c
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@ -4342,7 +4342,7 @@ void debug_hexdump(FILE *out, const char *pfx, const char *buf,
static int dladdr_and_size(const void *addr, Dl_info *dli, size_t *size) static int dladdr_and_size(const void *addr, Dl_info *dli, size_t *size)
{ {
int ret; int ret;
#ifdef __USE_GNU // most detailed one #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) // most detailed one
const ElfW(Sym) *sym; const ElfW(Sym) *sym;
ret = dladdr1(addr, dli, (void **)&sym, RTLD_DL_SYMENT); ret = dladdr1(addr, dli, (void **)&sym, RTLD_DL_SYMENT);