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fix: No extern template declaration for MSVC <12.0

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Andreas Schuh 2018-10-15 00:22:36 -07:00 • committed by Andreas Schuh
parent 82456f220f
commit 754d3329a6
2 changed files with 9 additions and 4 deletions
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1
.gitignore vendored
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@ -2,6 +2,7 @@
/build/
/builds/
/build-*/
/_build/
.DS_Store
CMakeCache.txt
DartConfiguration.tcl

12
src/gflags.h.in
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@ -442,10 +442,14 @@ class GFLAGS_DLL_DECL FlagRegisterer {
};
// Force compiler to not generate code for the given template specialization.
#define GFLAGS_DECLARE_FLAG_REGISTERER_CTOR(type) \
extern template GFLAGS_DLL_DECL FlagRegisterer::FlagRegisterer( \
const char* name, const char* help, const char* filename, \
type* current_storage, type* defvalue_storage)
#if defined(_MSC_VER) && _MSC_VER < 1800 // Visual Studio 2013 version 12.0
#define GFLAGS_DECLARE_FLAG_REGISTERER_CTOR(type)
#else
#define GFLAGS_DECLARE_FLAG_REGISTERER_CTOR(type) \
extern template GFLAGS_DLL_DECL FlagRegisterer::FlagRegisterer( \
const char* name, const char* help, const char* filename, \
type* current_storage, type* defvalue_storage)
#endif
// Do this for all supported flag types.
GFLAGS_DECLARE_FLAG_REGISTERER_CTOR(bool);