macro_name CLANG binary_name clang++ compile_option "-c " output_to_option "-o " add_include_dir_option -I add_lib_dir_option -L add_lib_option -l lang_flags "-std=c++11 -D_REENTRANT -fstack-protector" warning_flags "-Wall -Wextra -Wstrict-aliasing -Wstrict-overflow=5 -Wcast-align -Wmissing-declarations -Wpointer-arith -Wcast-qual -Wunreachable-code" maintainer_warning_flags "-Qunused-arguments -Werror -Wno-error=unused-parameter -Wno-error=unused-variable -Wno-error=unreachable-code" makefile_style gmake lib_opt_flags "-O3" app_opt_flags "-O2" shared_flags "-fPIC" debug_flags "-g" no_debug_flags "" visibility_build_flags "-fvisibility=hidden" visibility_attribute '__attribute__((visibility("default")))' # The default works for GNU ld and several other Unix linkers default -> "$(CXX) -shared -fPIC -Wl,-soname,$(SONAME)" darwin -> "$(CXX) -dynamiclib -fPIC -install_name $(LIBDIR)/$(SONAME)" sse2 -> "-msse2" ssse3 -> "-mssse3" sse4.1 -> "-msse4.1" sse4.2 -> "-msse4.2" avx2 -> "-mavx2" bmi2 -> "-mbmi2" aesni -> "-maes -mpclmul -mssse3" rdrand -> "-mrdrnd" sha -> "-msha" altivec -> "-maltivec" x86_64 -> "-march=SUBMODEL" nehalem -> "-march=corei7" sandybridge -> "-march=corei7-avx" ivybridge -> "-march=core-avx-i" all -> "-pthread" x86_64 -> "-m64" ppc64 -> "-m64" netbsd -> "-D_NETBSD_SOURCE"