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MINOR: compat: automatically detect support for crypt_r() 

glibc >= 2.2 and FreeBSD >= 12.0 support crypt_r(), let's detect this
and set a macro HA_HAVE_CRYPT_R for this.
This commit is contained in:
Willy Tarreau 2018-10-29 19:14:14 +01:00
parent 34d4b525a1
commit 4698adf68f
1 changed files with 10 additions and 0 deletions
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10
include/common/compat.h
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@ -152,6 +152,16 @@
#include <strings.h>
#endif
/* crypt_r() has been present in glibc since 2.2 and on FreeBSD since 12.0
* (12000002). No other OS makes any mention of it for now. Feel free to add
* valid known combinations below if needed to relax the crypt() lock when
* using threads.
*/
#if (defined(__GNU_LIBRARY__) && (__GLIBC__ > 2 || __GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) \
|| (defined(__FreeBSD__) && __FreeBSD_version >= 1200002)
#define HA_HAVE_CRYPT_R
#endif
#endif /* _COMMON_COMPAT_H */
/*