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# Set compiler flags for Debug builds.
# Only has an effect on GCC/Clang >= 5.0.
set(DEBUG_CXXFLAGS "")
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang"
AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5")
list(APPEND DEBUG_CXXFLAGS
"-Wall"
"-Wextra"
"-Wpedantic"
"-Wuninitialized"
"-Wshadow"
"-Wnon-virtual-dtor"
"-Wconversion"
"-Wsign-conversion"
"-Wold-style-cast"
"-Wzero-as-null-pointer-constant"
"-Wmissing-declarations"
"-Wcast-align"
"-Wunused"
"-Woverloaded-virtual"
"-Wdouble-promotion"
"-Wformat=2"
"-ftrapv"
"-fsanitize=undefined"
"-g"
"-Og"
"-fno-omit-frame-pointer")
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
list(APPEND DEBUG_CXXFLAGS
"-Wlogical-op"
"-Wuseless-cast")
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6")
list(APPEND DEBUG_CXXFLAGS
"-Wmisleading-indentation"
"-Wduplicated-cond"
"-Wnull-dereference")
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "7")
list(APPEND DEBUG_CXXFLAGS
"-Wduplicated-branches")
endif()
endif()
endif()
add_compile_options("$<$<CONFIG:Debug>:${DEBUG_CXXFLAGS}>")
set(DEBUG_LDFLAGS
"-fsanitize=undefined")
# add_link_options was introduced in version 3.13.
if(${CMAKE_VERSION} VERSION_LESS 3.13)
set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${DEBUG_LDFLAGS}")
else()
add_link_options("$<$<CONFIG:Debug>:${DEBUG_LDFLAGS}>")
endif()
else()
message(STATUS
"No additional compiler flags were set, "
"because your compiler was not anticipated.")
endif()
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