# 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"
debug_flags -g
no_debug_flags "-finline-functions"

visibility_build_flags "-fvisibility=hidden"
visibility_attribute '__attribute__((visibility("default")))'

<so_link_flags>
# The default works for GNU ld and several other Unix linkers
default -> "$(CXX) -shared -fPIC -Wl,-soname,$(SONAME)"
</so_link_flags>

<mach_opt>
x86_64    -> "-march=SUBMODEL"
nehalem   -> "-march=corei7"
westmere  -> "-march=corei7 -maes"
</mach_opt>

<mach_abi_linking>
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"
</mach_abi_linking>