Improve accuracy of HAVE_ATOMIC dependency check

[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
2014-08-26 10:41:02 +02:00
committed by antirez
parent 6ef09f6aea
commit 61ce627f3c
+6 -1
View File
@@ -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