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I guess one msvc version might not support __has_include ?

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o-micron 2020-03-09 22:50:10 +02:00
parent 20826e0665
commit 23af0d293e
1 changed files with 29 additions and 15 deletions
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44
googletest/include/gtest/internal/gtest-port.h
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@ -2234,21 +2234,35 @@ using StringView = ::absl::string_view;
} // namespace internal
} // namespace testing
#else
# ifdef __has_include
# if __has_include(<string_view>) && __cplusplus >= 201703L
// Otherwise for C++17 and higher use std::string_view for Matcher<>
// specializations.
# define GTEST_INTERNAL_HAS_STRING_VIEW 1
#include <string_view>
namespace testing {
namespace internal {
using StringView = ::std::string_view;
} // namespace internal
} // namespace testing
// The case where absl is configured NOT to alias std::string_view is not
// supported.
# endif // __has_include(<string_view>) && __cplusplus >= 201703L
# endif // __has_include
#ifdef __has_include
#if __has_include(<string_view>) && __cplusplus >= 201703L
// Otherwise for C++17 and higher use std::string_view for Matcher<>
// specializations.
# define GTEST_INTERNAL_HAS_STRING_VIEW 1
#include <string_view>
namespace testing {
namespace internal {
using StringView = ::std::string_view;
} // namespace internal
} // namespace testing
// The case where absl is configured NOT to alias std::string_view is not
// supported.
# endif // __has_include(<string_view>) && __cplusplus >= 201703L
#else // well, what if __has_include is not supported by the compiler ? that may be the case with older msvc ?
#if __cplusplus >= 201703L
// Otherwise for C++17 and higher use std::string_view for Matcher<>
// specializations.
# define GTEST_INTERNAL_HAS_STRING_VIEW 1
#include <string_view>
namespace testing {
namespace internal {
using StringView = ::std::string_view;
} // namespace internal
} // namespace testing
// The case where absl is configured NOT to alias std::string_view is not
// supported.
#endif
# endif // __has_include
#endif // GTEST_HAS_ABSL
#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_