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CMake: Require language level per target

Browse Source 
https://cmake.org/cmake/help/latest/manual/cmake-compile-features.7.html#requiring-language-standards
This commit is contained in:
Dennis Klein 2021-03-22 06:03:48 +01:00 committed by Dennis Klein
parent 340b005997
commit 3f55a16850
2 changed files with 3 additions and 5 deletions
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2
CMakeLists.txt
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@ -53,6 +53,7 @@ add_library(FairLogger
logger/Logger.cxx
logger/Logger.h
)
target_compile_features(FairLogger PUBLIC cxx_std_11)
if(USE_BOOST_PRETTY_FUNCTION)
target_link_libraries(FairLogger PUBLIC Boost::boost)
@ -67,6 +68,7 @@ else()
$<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/logger/bundled>
$<INSTALL_INTERFACE:${PROJECT_INSTALL_BUNDLEDINCDIR}>
)
target_compile_features(fmt PUBLIC cxx_std_11)
target_compile_definitions(fmt INTERFACE FMT_HEADER_ONLY)
target_link_libraries(FairLogger PUBLIC fmt)
endif()

6
cmake/FairLoggerLib.cmake
View File

@ -95,13 +95,9 @@ macro(set_fairlogger_defaults)
# Handle C++ standard level
set(PROJECT_MIN_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(NOT CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD ${PROJECT_MIN_CXX_STANDARD})
elseif(${CMAKE_CXX_STANDARD} LESS ${PROJECT_MIN_CXX_STANDARD})
if(CMAKE_CXX_STANDARD LESS PROJECT_MIN_CXX_STANDARD)
message(FATAL_ERROR "A minimum CMAKE_CXX_STANDARD of ${PROJECT_MIN_CXX_STANDARD} is required.")
endif()
set(CMAKE_CXX_EXTENSIONS OFF)
# Generate compile_commands.json file (https://clang.llvm.org/docs/JSONCompilationDatabase.html)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)