This revision was automatically updated to reflect the committed changes. Closed by commit rL269070: [libcxx] Prefer C++14 over C++11 when building libc++experimental. (authored by EricWF).
Changed prior to commit: http://reviews.llvm.org/D19992?vs=56333&id=56732#toc Repository: rL LLVM http://reviews.llvm.org/D19992 Files: libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake libcxx/trunk/lib/CMakeLists.txt Index: libcxx/trunk/lib/CMakeLists.txt =================================================================== --- libcxx/trunk/lib/CMakeLists.txt +++ libcxx/trunk/lib/CMakeLists.txt @@ -142,9 +142,15 @@ file(GLOB LIBCXX_EXPERIMENTAL_SOURCES ../src/experimental/*.cpp) add_library(cxx_experimental STATIC ${LIBCXX_EXPERIMENTAL_SOURCES}) target_link_libraries(cxx_experimental cxx) + + set(experimental_flags "${LIBCXX_COMPILE_FLAGS}") + check_flag_supported(-std=c++14) + if (NOT MSVC AND LIBCXX_SUPPORTS_STD_EQ_CXX14_FLAG) + string(REPLACE "-std=c++11" "-std=c++14" experimental_flags "${LIBCXX_COMPILE_FLAGS}") + endif() set_target_properties(cxx_experimental PROPERTIES - COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}" + COMPILE_FLAGS "${experimental_flags}" OUTPUT_NAME "c++experimental" ) endif() Index: libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake =================================================================== --- libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake +++ libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake @@ -35,6 +35,11 @@ endforeach() endmacro(remove_flags) +macro(check_flag_supported flag) + mangle_name("${flag}" flagname) + check_cxx_compiler_flag("${flag}" "LIBCXX_SUPPORTS_${flagname}_FLAG") +endmacro() + # Add a macro definition if condition is true. macro(define_if condition def) if (${condition})
Index: libcxx/trunk/lib/CMakeLists.txt =================================================================== --- libcxx/trunk/lib/CMakeLists.txt +++ libcxx/trunk/lib/CMakeLists.txt @@ -142,9 +142,15 @@ file(GLOB LIBCXX_EXPERIMENTAL_SOURCES ../src/experimental/*.cpp) add_library(cxx_experimental STATIC ${LIBCXX_EXPERIMENTAL_SOURCES}) target_link_libraries(cxx_experimental cxx) + + set(experimental_flags "${LIBCXX_COMPILE_FLAGS}") + check_flag_supported(-std=c++14) + if (NOT MSVC AND LIBCXX_SUPPORTS_STD_EQ_CXX14_FLAG) + string(REPLACE "-std=c++11" "-std=c++14" experimental_flags "${LIBCXX_COMPILE_FLAGS}") + endif() set_target_properties(cxx_experimental PROPERTIES - COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}" + COMPILE_FLAGS "${experimental_flags}" OUTPUT_NAME "c++experimental" ) endif() Index: libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake =================================================================== --- libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake +++ libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake @@ -35,6 +35,11 @@ endforeach() endmacro(remove_flags) +macro(check_flag_supported flag) + mangle_name("${flag}" flagname) + check_cxx_compiler_flag("${flag}" "LIBCXX_SUPPORTS_${flagname}_FLAG") +endmacro() + # Add a macro definition if condition is true. macro(define_if condition def) if (${condition})
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