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Improve accuracy of HAVE_ATOMIC dependency check

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[I had to split out the clang check due to
 clang *really* not liking the __GLIBC_PREREQ macro; -matt]

Closes #1456
This commit is contained in:
Samuel Chou 2013-12-09 10:18:36 -08:00 committed by antirez
parent a8d3e930bc
commit 7e9f24d694
1 changed files with 6 additions and 1 deletions
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7
src/config.h
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@ -187,9 +187,14 @@ void setproctitle(const char *fmt, ...);
#if (__i386 || __amd64 || __powerpc__) && __GNUC__
#define GNUC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#if (GNUC_VERSION >= 40100) || defined(__clang__)
#if defined(__clang__)
#define HAVE_ATOMIC
#endif
#if (defined(__GLIBC__) && defined(__GLIBC_PREREQ))
#if (GNUC_VERSION >= 40100 && __GLIBC_PREREQ(2, 6))
#define HAVE_ATOMIC
#endif
#endif
#endif
#endif