diff options
Diffstat (limited to 'lib/verify.h')
| -rw-r--r-- | lib/verify.h | 28 |
1 files changed, 6 insertions, 22 deletions
diff --git a/lib/verify.h b/lib/verify.h index 3cdcdca5671..65514c34b9e 100644 --- a/lib/verify.h +++ b/lib/verify.h @@ -22,16 +22,10 @@ /* Define _GL_HAVE__STATIC_ASSERT to 1 if _Static_assert (R, DIAGNOSTIC) - works as per C11. This is supported by GCC 4.6.0 and later, in C - mode, and by clang (also in C++ mode). + works as per C11. This is supported by GCC 4.6.0+ and by clang 4+. Define _GL_HAVE__STATIC_ASSERT1 to 1 if _Static_assert (R) works as - per C2X. This is supported by GCC 9.1 and later, and by clang in - C++1z mode. - - Define _GL_HAVE_STATIC_ASSERT1 if static_assert (R) works as per - C++17. This is supported by GCC 9.1 and later, and by clang in - C++1z mode. + per C2X. This is supported by GCC 9.1+. Support compilers claiming conformance to the relevant standard, and also support GCC when not pedantic. If we were willing to slow @@ -47,18 +41,6 @@ || (!defined __STRICT_ANSI__ && 9 <= __GNUC__)) # define _GL_HAVE__STATIC_ASSERT1 1 # endif -#else -# if 4 <= __clang_major__ -# define _GL_HAVE__STATIC_ASSERT 1 -# endif -# if 4 <= __clang_major__ && 201411 <= __cpp_static_assert -# define _GL_HAVE__STATIC_ASSERT1 1 -# endif -# if 201703L <= __cplusplus \ - || 9 <= __GNUC__ \ - || (4 <= __clang_major__ && 201411 <= __cpp_static_assert) -# define _GL_HAVE_STATIC_ASSERT1 1 -# endif #endif /* FreeBSD 9.1 <sys/cdefs.h>, included by <stddef.h> and lots of other @@ -225,7 +207,9 @@ template <int w> Unfortunately, unlike C11, this implementation must appear as an ordinary declaration, and cannot appear inside struct { ... }. */ -#if defined _GL_HAVE__STATIC_ASSERT +#if 200410 <= __cpp_static_assert +# define _GL_VERIFY(R, DIAGNOSTIC, ...) static_assert (R, DIAGNOSTIC) +#elif defined _GL_HAVE__STATIC_ASSERT # define _GL_VERIFY(R, DIAGNOSTIC, ...) _Static_assert (R, DIAGNOSTIC) #else # define _GL_VERIFY(R, DIAGNOSTIC, ...) \ @@ -239,7 +223,7 @@ template <int w> # define _Static_assert(...) \ _GL_VERIFY (__VA_ARGS__, "static assertion failed", -) # endif -# if !defined _GL_HAVE_STATIC_ASSERT1 && !defined static_assert +# if __cpp_static_assert < 201411 && !defined static_assert # define static_assert _Static_assert /* C11 requires this #define. */ # endif #endif |