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add CMAKE_CXX_STANDARD to CMakeLists.txt

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this fixes errors related to enabling C++11 like `no member named 'make_tuple' in namespace 'std'` and like `deleted function definitions are a C++11 extension` in
googletest/googletest/include/gtest/internal/gtest-port.h
This commit is contained in:
Omar Sherif Fathy 2020-03-04 06:48:59 +02:00 committed by o-micron
parent e588eb1ff9
commit 4f12908f43
2 changed files with 43 additions and 17 deletions
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13
CMakeLists.txt
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@ -11,8 +11,17 @@ project(googletest-distribution)
set(GOOGLETEST_VERSION 1.10.0)
if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.1")
if(NOT CYGWIN AND NOT MSYS)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED OFF)
endif()
if(WIN32)
if(MSVC)
if(MSVC_TOOLSET_VERSION EQUAL 140 OR MSVC_TOOLSET_VERSION EQUAL 141)
# there is a bug reported on https://developercommunity.visualstudio.com/content/problem/9696/c17-not-available-by-default.html
# string_view is not available unless we use the /std:c++latest switch
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++latest")
endif()
endif()
endif()

21
googletest/include/gtest/internal/gtest-port.h
View File

@ -2235,7 +2235,7 @@ using StringView = ::absl::string_view;
} // namespace testing
#else
#ifdef __has_include
# if __has_include(<string_view>) && __cplusplus >= 201703L
#if __has_include(<string_view>) && __cplusplus > 201402L
// Otherwise for C++17 and higher use std::string_view for Matcher<>
// specializations.
# define GTEST_INTERNAL_HAS_STRING_VIEW 1
@ -2247,7 +2247,24 @@ using StringView = ::std::string_view;
} // 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(<string_view>) && __cplusplus > 201402L
#else
// well, what if __has_include is not supported by the compiler ? that may be the case with older msvc ?
// it might not make sense to actually check for that, since string_view is available from c++17
// but uh, let me fix msvc tests for now
#if __cplusplus > 201402L
// 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