diff options
Diffstat (limited to 'absl/time/internal/cctz/src/zone_info_source.cc')
| -rw-r--r-- | absl/time/internal/cctz/src/zone_info_source.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/absl/time/internal/cctz/src/zone_info_source.cc b/absl/time/internal/cctz/src/zone_info_source.cc index b77c0a58..ee7500b6 100644 --- a/absl/time/internal/cctz/src/zone_info_source.cc +++ b/absl/time/internal/cctz/src/zone_info_source.cc @@ -60,9 +60,17 @@ ZoneInfoSourceFactory default_factory = DefaultFactory; #else #error Unsupported MSVC platform #endif -#else +#else // _MSC_VER +#if !defined(__has_attribute) +#define __has_attribute(x) 0 +#endif +#if __has_attribute(weak) || defined(__GNUC__) ZoneInfoSourceFactory zone_info_source_factory __attribute__((weak)) = DefaultFactory; +#else +// Make it a "strong" definition if we have no other choice. +ZoneInfoSourceFactory zone_info_source_factory = DefaultFactory; +#endif #endif // _MSC_VER } // namespace cctz_extension |