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authornaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-12-23 16:17:57 +0000
committernaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-12-23 16:17:57 +0000
commit98bddfefc1773dc9a0f3771eb65224c26ee66281 (patch)
treec1185959dc1c4bc0faadab109a6e605edfb6f2ca /include/ruby/defines.h
parent0c8e6ae0b87d5e180385e4c46d83384e9eb7d28f (diff)
downloadruby-98bddfefc1773dc9a0f3771eb65224c26ee66281.tar.gz
undef HAVE_BUILTIN___BUILTIN_CHOOSE_EXPR_CONSTANT_P on GCC 4.8
GCC 4.8 with optimization causes error if it compiles following code. [Bug #14221] ```c __builtin_choose_expr(__builtin_constant_p(b),0,1) ``` https://github.com/ruby/ruby/pull/1778 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61429 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'include/ruby/defines.h')
-rw-r--r--include/ruby/defines.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/ruby/defines.h b/include/ruby/defines.h
index 84aca93856..2c72a7cb8a 100644
--- a/include/ruby/defines.h
+++ b/include/ruby/defines.h
@@ -72,6 +72,17 @@ extern "C" {
# define GCC_VERSION_SINCE(major, minor, patchlevel) 0
# endif
#endif
+#ifndef GCC_VERSION_BEFORE
+# if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__)
+# define GCC_VERSION_BEFORE(major, minor, patchlevel) \
+ ((__GNUC__ < (major)) || \
+ ((__GNUC__ == (major) && \
+ ((__GNUC_MINOR__ < (minor)) || \
+ (__GNUC_MINOR__ == (minor) && __GNUC_PATCHLEVEL__ <= (patchlevel))))))
+# else
+# define GCC_VERSION_BEFORE(major, minor, patchlevel) 0
+# endif
+#endif
/* likely */
#if __GNUC__ >= 3