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macro_name GCC
binary_name g++
has_tr1 yes
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 -Wno-long-long"
warning_flags "-W -Wall"
maintainer_warning_flags "-Werror -Wall -Wextra -Wstrict-aliasing -Wstrict-overflow=5 -Wcast-align -Wmissing-declarations -Wpointer-arith -Wcast-qual -Wold-style-cast"
lib_opt_flags "-O3"
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")))'
makefile_style unix
<so_link_flags>
# The default works for GNU ld and several other Unix linkers
default -> "$(CXX) -shared -fPIC -Wl,-soname,$(SONAME)"
# AIX doesn't seem to have soname support (weird...)
aix -> "$(CXX) -shared -fPIC"
# OpenBSD doesn't use soname
openbsd -> "$(CXX) -shared -fPIC"
darwin -> "$(CXX) -dynamiclib -fPIC -install_name $(LIBDIR)/$(SONAME)"
hpux -> "$(CXX) -shared -fPIC -Wl,+h,$(SONAME)"
solaris -> "$(CXX) -shared -fPIC -Wl,-h,$(SONAME)"
</so_link_flags>
<mach_opt>
# Avoid using -march=i[345]86, instead tune for generic
i386 -> "-mtune=generic -momit-leaf-frame-pointer"
i486 -> "-mtune=generic -momit-leaf-frame-pointer"
i586 -> "-mtune=generic -momit-leaf-frame-pointer"
# Translate to GCC-speak
nehalem -> "-march=corei7 -momit-leaf-frame-pointer"
#westmere -> "-march=corei7 -maes -momit-leaf-frame-pointer"
#nehalem -> "-march=core2 -msse4.1 -msse4.2 -momit-leaf-frame-pointer"
#westmere -> "-march=core2 -msse4.1 -msse4.2 -maes -momit-leaf-frame-pointer"
sandybridge -> "-march=corei7-avx -momit-leaf-frame-pointer"
atom32 -> "-march=atom -momit-leaf-frame-pointer"
ppc601 -> "-mpowerpc -mcpu=601"
cellppu -> "-mcpu=cell"
e500v2 -> "-mcpu=8548"
# No scheduler in GCC for anything after EV67
alpha-ev68 -> "-mcpu=ev67"
alpha-ev7 -> "-mcpu=ev67"
# The patch from Debian bug 594159 has this, don't know why though...
sh4 -> "-m4 -mieee"
# Default family options (SUBMODEL is substitued with the actual
# submodel name). Anything after the quotes is what should be
# *removed* from the submodel name before it's put into SUBMODEL.
alpha -> "-mcpu=SUBMODEL" alpha-
arm -> "-march=SUBMODEL"
superh -> "-mSUBMODEL" sh
hppa -> "-march=SUBMODEL" hppa
ia64 -> "-mtune=SUBMODEL"
m68k -> "-mSUBMODEL"
mips32 -> "-mips1 -mcpu=SUBMODEL" mips32-
mips64 -> "-mips3 -mcpu=SUBMODEL" mips64-
ppc32 -> "-mcpu=SUBMODEL" ppc
ppc64 -> "-mcpu=SUBMODEL" ppc
sparc32 -> "-mcpu=SUBMODEL -Wa,-xarch=v8plus" sparc32-
sparc64 -> "-mcpu=v9 -mtune=SUBMODEL"
x86_32 -> "-march=SUBMODEL -momit-leaf-frame-pointer"
x86_64 -> "-march=SUBMODEL -momit-leaf-frame-pointer"
</mach_opt>
# The 'linking' bit means "use this for both compiling *and* linking"
<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 unclear
openbsd -> "-pthread"
freebsd -> "-pthread"
dragonfly -> "-pthread"
netbsd -> "-pthread -D_NETBSD_SOURCE"
qnx -> "-fexceptions -D_QNX_SOURCE"
</mach_abi_linking>
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