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Pass warning flags only to C++ targets

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This commit is contained in:
Carles Fernandez 2019-02-24 19:17:32 +01:00
parent 46f985d763
commit 869aadc731
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GPG Key ID: 4C583C52B0C3877D
1 changed files with 9 additions and 7 deletions
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16
CMakeLists.txt
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@ -418,25 +418,26 @@ if(NOT (CMAKE_VERSION VERSION_LESS "3.1"))
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_EXTENSIONS OFF)
else()
add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,C>:-std=gnu11>")
if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") AND NOT WIN32)
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.1.1")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:-std=c++11>")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:-std=c++14>")
endif()
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(OS_IS_MACOSX)
if(CLANG_VERSION VERSION_LESS "600")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:-std=c++11>")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:-std=c++14>")
endif()
else()
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.5.0")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:-std=c++11>")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:-std=c++14>")
endif()
endif()
endif()
@ -1860,7 +1861,8 @@ endif()
if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") AND NOT WIN32)
# Add warning flags
# For "-Wall" see https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
add_compile_options(-Wall -Wextra)
set(cxx_warning_flags -Wall -Wextra)
add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:${cxx_warning_flags}>")
if(CMAKE_CROSSCOMPILING)
add_compile_options(-Wno-psabi)
endif()