coverage.cmake

# References: 
# https://marco-c.github.io/2018/01/09/code-coverage-with-clang-on-windows.html
# https://stackoverflow.com/a/10611875

if (SECORE_WITH_COVERAGE) 
	find_library(CLANG_RT_PROFILE_LIBRARY
		NAMES clang_rt.profile-x86_64
		REQUIRED
	)

	message(STATUS "CLANG_RT_PROFILE_LIBRARY: ${CLANG_RT_PROFILE_LIBRARY}")
endif()

#---------------------------------------------------------------------
# Target Functions

# Usage: Target to measure coverage
function(target_measure_coverage target_name)
	if (NOT SECORE_WITH_COVERAGE) 
		return()
	endif()

	target_compile_options(${target_name} PRIVATE "--coverage")
endfunction(target_measure_coverage)

# Usage: Executable to log coverage (ex. unit test executable)
function(target_coverage_executable target_name)
	if (NOT SECORE_WITH_COVERAGE) 
		return()
	endif()

	target_link_libraries(${target_name} PRIVATE ${CLANG_RT_PROFILE_LIBRARY})
endfunction(target_coverage_executable)