Differential D41 Diff 206 cmake/Modules/LauraCompilerFlags.cmake

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cmake/Modules/LauraCompilerFlags.cmake

This file was added.


				# Set the build type (if not already specified)
				if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
				message(STATUS "Laura++: Setting build type to 'Release' as none was specified")
				set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Release, MinSizeRel, Debug, RelWithDebInfo" FORCE)
				set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
				elseif(CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
				message(STATUS "Laura++: Build type '${CMAKE_BUILD_TYPE}'")
				endif()

				# Set the warning/optimise/debug flags for each build type
				if( ${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" )
				message(STATUS "Laura++: Customising warning/optimise/debug flags for each build type")

				set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsigned-char -Wall -Wextra -Wshadow -Woverloaded-virtual")

				if( ${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU" )
				set(CMAKE_CXX_FLAGS_DEBUG "-Og -g3")
				set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG")
				set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
				set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g3")
				elseif( ${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" )
				set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
				set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG")
				set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
				set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
				endif()
				else()
				message(WARNING "Laura++: No customisation of warning/optimise/debug flags implemented for compiler: ${CMAKE_CXX_COMPILER_ID}")
				endif()

				# Make sure our project's include directories always come first
				set(CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE ON)

				# Control verbosity of the build
				set(CMAKE_VERBOSE_MAKEFILE OFF CACHE BOOL "Control verbosity of generated Makefiles")

				# C++ standard settings
				set(CMAKE_CXX_EXTENSIONS OFF)
				set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard")
				set(CMAKE_CXX_STANDARD_REQUIRED ON)
				message(STATUS "Laura++: Using C++${CMAKE_CXX_STANDARD} standard")

				# Special linker flags for MacOSX
				if (APPLE)
				set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -single_module -undefined dynamic_lookup")
				endif()

				# RPATH handling
				set(CMAKE_MACOSX_RPATH TRUE)
				set(CMAKE_SKIP_BUILD_RPATH FALSE)
				set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
				set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
				set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)