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Fix gcc build failure (define __has_builtin).

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Jason Evans 2015-08-12 16:46:09 -07:00
parent 7928f62273
commit fead75fd52
1 changed files with 3 additions and 0 deletions
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3
include/jemalloc/internal/util.h
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@ -60,6 +60,9 @@
#define JEMALLOC_GNUC_PREREQ(major, minor) \
(!defined(__clang__) && \
(__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))))
#ifndef __has_builtin
# define __has_builtin(builtin) (0)
#endif
#define JEMALLOC_CLANG_HAS_BUILTIN(builtin) \
(defined(__clang__) && __has_builtin(builtin))