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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"
werror_flags "-Werror -Wno-error=unused-parameter -Wno-error=unreachable-code -Wno-error=unused-lambda-capture"
maintainer_warning_flags "-Wunreachable-code -Wdocumentation -Qunused-arguments"
optimization_flags "-O3"
sanitizer_optimization_flags "-O1 -fno-optimize-sibling-calls -fno-omit-frame-pointer"
size_optimization_flags "-Os"
add_sysroot_option "--sysroot="
<sanitizers>
default -> address,undefined
address -> "-fsanitize=address"
undefined -> "-fsanitize=undefined -fno-sanitize-recover=undefined"
coverage -> "-fsanitize=fuzzer-no-link"
memory -> "-fsanitize=memory"
</sanitizers>
shared_flags "-fPIC"
coverage_flags "--coverage"
stack_protector_flags "-fstack-protector"
visibility_build_flags "-fvisibility=hidden"
visibility_attribute '__attribute__((visibility("default")))'
<so_link_commands>
macos -> "$(CXX) -dynamiclib -fPIC -install_name $(INSTALLED_LIB_DIR)/{soname_abi} -current_version {macos_so_current_ver} -compatibility_version {macos_so_compat_ver}"
# The default works for GNU ld and several other Unix linkers
default -> "$(CXX) -shared -fPIC -Wl,-soname,{soname_abi}"
</so_link_commands>
<binary_link_commands>
default -> "$(LINKER)"
llvm -> "llvm-link"
emscripten -> "em++"
</binary_link_commands>
<isa_flags>
sse2 -> "-msse2"
ssse3 -> "-mssse3"
sse41 -> "-msse4.1"
sse42 -> "-msse4.2"
avx2 -> "-mavx2"
bmi2 -> "-mbmi -mbmi2"
aesni -> "-maes -mpclmul"
rdrand -> "-mrdrnd"
rdseed -> "-mrdseed"
sha -> "-msha"
altivec -> "-maltivec"
ppc64:powercrypto -> "-mcrypto -mvsx"
ppc64:power9 -> "-mcpu=power9"
arm64:armv8crypto -> "-march=armv8+crypto"
arm32:neon -> "-mfpu=neon"
arm64:neon -> ""
</isa_flags>
<cpu_flags>
llvm -> "-emit-llvm -fno-use-cxa-atexit"
</cpu_flags>
<mach_abi_linking>
all!haiku,llvm -> "-pthread"
openmp -> "-fopenmp"
x86_32 -> "-m32"
x86_64 -> "-m64"
ppc64 -> "-m64"
macos -> "-stdlib=libc++"
ios -> "-stdlib=libc++"
</mach_abi_linking>