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if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|(Apple)?Clang")
set(ptl_coverage_args "--coverage")
check_cxx_compiler_flag("-fprofile-abs-path ${PTL_COVERAGE_FLAGS}"
PTL_HAS_PROFILE_ABS_PATH)
if(PTL_HAS_PROFILE_ABS_PATH)
string(APPEND ptl_coverage_args " -fprofile-abs-path")
endif()
else()
set(ptl_coverage_args)
message(
WARNING
"PTL_USE_COVERAGE is ON, but is not supported for compiler '${CMAKE_CXX_COMPILER_ID}"
)
endif()
# We're setting the DEBUG CXX flags and C flags because we only use coverage in Debug
# builds but want them to propagate down Once CMake 3.13 is the minimum, we can use
# add_{compile,link}_options + genexs instead
string(APPEND CMAKE_C_FLAGS_DEBUG " ${ptl_coverage_args}")
string(APPEND CMAKE_CXX_FLAGS_DEBUG " ${ptl_coverage_args}")
string(APPEND CMAKE_EXE_LINKER_FLAGS_DEBUG " ${ptl_coverage_args}")
string(APPEND CMAKE_SHARED_LINKER_FLAGS_DEBUG " ${ptl_coverage_args}")
string(APPEND CMAKE_MODULE_LINKER_FLAGS_DEBUG " ${ptl_coverage_args}")
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