nixpkgs/pkgs/development/libraries/libtins/0001-force-cpp-14.patch
2024-02-23 17:08:33 +00:00

27 lines
1.2 KiB
Diff

This change bypasses all the code that attempts to see which C++11 features are enabled in your specific C++11 compiler. C++14 is required for gtest 1.13+.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 902233e676ee..49ac8a1010a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -103,17 +103,9 @@ ENDIF()
# C++11 support
OPTION(LIBTINS_ENABLE_CXX11 "Compile libtins with c++11 features" ON)
IF(LIBTINS_ENABLE_CXX11)
- # We only use declval and decltype on gcc/clang as VC fails to build that code,
- # at least on VC2013
- IF(HAS_CXX11_RVALUE_REFERENCES AND HAS_CXX11_FUNCTIONAL AND HAS_CXX11_CHRONO AND
- HAS_CXX11_NOEXCEPT AND ((HAS_CXX11_DECLVAL AND HAS_CXX11_DECLTYPE) OR MSVC))
- SET(TINS_HAVE_CXX11 ON)
- MESSAGE(STATUS "Enabling C++11 features")
- SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX11_COMPILER_FLAGS}")
- ELSE()
- MESSAGE(WARNING "The compiler doesn't support the necessary C++11 features. "
- "Disabling C++11 on this build")
- ENDIF()
+ SET(TINS_HAVE_CXX11 ON)
+ MESSAGE(STATUS "Using C++11 features")
+ SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
ELSE(LIBTINS_ENABLE_CXX11)
MESSAGE(
WARNING