macro_name CLANG binary_name clang++ lang_flags "-std=c++11 -D_REENTRANT" warning_flags "-Wall -Wextra -Wpedantic -Wshadow -Wstrict-aliasing -Wstrict-overflow=5 -Wcast-align -Wmissing-declarations -Wpointer-arith -Wcast-qual" maintainer_warning_flags "-Wunreachable-code -Wdocumentation -Qunused-arguments -Werror -Wno-error=unused-parameter -Wno-error=unreachable-code" optimization_flags "-O3" sanitizer_optimization_flags "-O1 -fno-optimize-sibling-calls -fno-omit-frame-pointer" size_optimization_flags "-Os" add_sysroot_option "--sysroot=" default -> address,undefined address -> "-fsanitize=address" undefined -> "-fsanitize=undefined -fno-sanitize-recover=undefined" coverage -> "-fsanitize-coverage=edge,indirect-calls,trace-pc-guard,trace-cmp,trace-gep" memory -> "-fsanitize=memory" shared_flags "-fPIC" coverage_flags "--coverage" stack_protector_flags "-fstack-protector" visibility_build_flags "-fvisibility=hidden" visibility_attribute '__attribute__((visibility("default")))' darwin -> "$(CXX) -dynamiclib -fPIC -install_name $(INSTALLED_LIB_DIR)/{soname_abi} -current_version {darwin_so_current_ver} -compatibility_version {darwin_so_compat_ver}" # The default works for GNU ld and several other Unix linkers default -> "$(CXX) -shared -fPIC -Wl,-soname,{soname_abi}" darwin -> "$(LINKER) -headerpad_max_install_names" linux -> "$(LINKER) -Wl,-rpath=\$$ORIGIN" freebsd -> "$(LINKER) -Wl,-rpath=\$$ORIGIN" default -> "$(LINKER)" llvm -> "llvm-link" emscripten -> "em++" sse2 -> "-msse2" ssse3 -> "-mssse3" sse41 -> "-msse4.1" sse42 -> "-msse4.2" avx2 -> "-mavx2" bmi2 -> "-mbmi -mbmi2" aesni -> "-maes -mpclmul -mssse3" rdrand -> "-mrdrnd" rdseed -> "-mrdseed" sha -> "-msha" altivec -> "-maltivec" arm64:armv8crypto -> "-march=armv8+crypto" arm32:neon -> "-mfpu=neon" arm64:neon -> "" llvm -> "-emit-llvm -fno-use-cxa-atexit" all!haiku,llvm -> "-pthread" openmp -> "-fopenmp" x86_32 -> "-m32" x86_64 -> "-m64" ppc64 -> "-m64" darwin -> "-stdlib=libc++" ios -> "-stdlib=libc++" netbsd -> "-D_NETBSD_SOURCE"