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_Static_assert is a C11ism

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61555 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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shyouhei 2018-01-02 06:41:51 +00:00
parent db5d556f9b
commit 8ebe5da2b3
1 changed files with 3 additions and 1 deletions
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4
internal.h
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@ -79,8 +79,10 @@ extern "C" {
# define __has_extension __has_feature
#endif
#if GCC_VERSION_SINCE(4, 6, 0) || __has_extension(c_static_assert)
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
# define STATIC_ASSERT(name, expr) _Static_assert(expr, #name ": " #expr)
#elif GCC_VERSION_SINCE(4, 6, 0) || __has_extension(c_static_assert)
# define STATIC_ASSERT(name, expr) RB_GNUC_EXTENSION _Static_assert(expr, #name ": " #expr)
#else
# define STATIC_ASSERT(name, expr) typedef int static_assert_##name##_check[1 - 2*!(expr)]
#endif