# Largely copied from the gcc config 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 "-D_REENTRANT -ansi -Wno-long-long" warning_flags "-W -Wall" makefile_style unix lib_opt_flags "-O2" check_opt_flags "-O2" shared_flags "-fPIC -fvisibility=hidden" debug_flags -g no_debug_flags "-finline-functions" dll_import_flags '__attribute__((visibility("default")))' # The default works for GNU ld and several other Unix linkers default -> "$(CXX) -shared -fPIC -Wl,-soname,$(SONAME)" x86_64 -> "-march=SUBMODEL" nehalem -> "-march=core2 -mssse3 -msse4.1" x86_64 -> "-m64" mips64 -> "-mabi=64" s390 -> "-m31" s390x -> "-m64" sparc32 -> "-m32 -mno-app-regs" sparc64 -> "-m64 -mno-app-regs" ppc64 -> "-m64" # This should probably be used on most/all targets, but the docs are incomplete openbsd -> "-pthread" freebsd -> "-pthread" dragonfly -> "-pthread" netbsd -> "-pthread -D_NETBSD_SOURCE" qnx -> "-fexceptions -D_QNX_SOURCE"