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gcc build fix

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This commit is contained in:
rdb 2016-07-14 13:21:39 +02:00
parent 8381118a97
commit a4554a7dfe
1 changed files with 5 additions and 1 deletions
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6
dtool/src/dtoolbase/dtoolbase.h
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@ -72,6 +72,10 @@
#endif #endif
#endif /* WIN32_VC */ #endif /* WIN32_VC */
#ifndef __has_builtin
#define __has_builtin(x) 0
#endif
// Use NODEFAULT to optimize a switch() stmt to tell MSVC to automatically go // Use NODEFAULT to optimize a switch() stmt to tell MSVC to automatically go
// to the final untested case after it has failed all the other cases (i.e. // to the final untested case after it has failed all the other cases (i.e.
// 'assume at least one of the cases is always true') // 'assume at least one of the cases is always true')
@ -79,7 +83,7 @@
#define NODEFAULT default: assert(0); break; #define NODEFAULT default: assert(0); break;
#elif defined(_MSC_VER) #elif defined(_MSC_VER)
#define NODEFAULT default: __assume(0); // special VC keyword #define NODEFAULT default: __assume(0); // special VC keyword
#elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) || (defined(__has_builtin) && __has_builtin(__builtin_unreachable)) #elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) || __has_builtin(__builtin_unreachable)
#define NODEFAULT default: __builtin_unreachable(); #define NODEFAULT default: __builtin_unreachable();
#else #else
#define NODEFAULT #define NODEFAULT