macro_name GCC
binary_name g++
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"
# This should only contain flags which are included in GCC 4.8
warning_flags "-Wall -Wextra -Wpedantic -Wstrict-aliasing -Wstrict-overflow=5 -Wcast-align -Wmissing-declarations -Wpointer-arith -Wcast-qual -Wzero-as-null-pointer-constant -Wnon-virtual-dtor"
maintainer_warning_flags "-Wold-style-cast -Wsuggest-override -Wshadow -Werror -Wno-error=old-style-cast -Wno-error=zero-as-null-pointer-constant -Wno-error=strict-overflow -Wno-error=deprecated-declarations"
compile_flags "-c"
debug_info_flags "-g"
optimization_flags "-O3"
size_optimization_flags "-Os"
shared_flags "-fPIC"
coverage_flags "--coverage"
stack_protector_flags "-fstack-protector"
# GCC 4.8
sanitizer_flags "-D_GLIBCXX_DEBUG -fsanitize=address"
# GCC 4.9 and later
#sanitizer_flags "-D_GLIBCXX_DEBUG -fsanitize=address,undefined -fno-sanitize-recover=undefined"
visibility_build_flags "-fvisibility=hidden"
visibility_attribute '__attribute__((visibility("default")))'
makefile_style gmake
# The default works for GNU ld and several other Unix linkers
default -> "$(CXX) -shared -fPIC -Wl,-soname,$(SONAME_ABI)"
default-debug -> "$(CXX) -shared -fPIC -Wl,-soname,$(SONAME_ABI)"
# Darwin, HP-UX and Solaris linkers use different syntax
darwin -> "$(CXX) -dynamiclib -fPIC -install_name $(LIBDIR)/$(SONAME_ABI)"
hpux -> "$(CXX) -shared -fPIC -Wl,+h,$(SONAME_ABI)"
solaris -> "$(CXX) -shared -fPIC -Wl,-h,$(SONAME_ABI)"
# AIX and OpenBSD don't use sonames at all
aix -> "$(CXX) -shared -fPIC"
openbsd -> "$(CXX) -shared -fPIC"
linux -> "$(LINKER) -Wl,-rpath=\$$ORIGIN"
linux-debug -> "$(LINKER) -Wl,-rpath=\$$ORIGIN"
default -> "$(LINKER)"
default-debug -> "$(LINKER)"
sse2 -> "-msse2"
ssse3 -> "-mssse3"
sse4.1 -> "-msse4.1"
sse4.2 -> "-msse4.2"
avx2 -> "-mavx2"
bmi2 -> "-mbmi2"
aesni -> "-maes -mpclmul -mssse3"
rdrand -> "-mrdrnd"
rdseed -> "-mrdseed"
sha -> "-msha"
altivec -> "-maltivec"
# For Aarch32 -mfpu=neon is required
# For Aarch64 NEON is enabled by default
arm32:neon -> "-mfpu=neon"
arm64:neon -> ""
# Avoid using -march=i[3456]86, instead tune for generic
i386 -> "-mtune=generic"
i486 -> "-mtune=generic"
i586 -> "-mtune=generic"
i686 -> "-mtune=generic"
# Translate to GCC-speak
nehalem -> "-march=corei7"
sandybridge -> "-march=corei7-avx"
ivybridge -> "-march=core-avx-i"
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 pipe will be removed from the
# submodel name before it's put into SUBMODEL.
alpha -> "-mcpu=SUBMODEL|alpha-"
arm32 -> "-march=SUBMODEL"
arm64 -> "-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"
x86_64 -> "-march=SUBMODEL"
all_x86_32 -> "-momit-leaf-frame-pointer"
all_x86_64 -> "-momit-leaf-frame-pointer"
# Flags set here are included at compile and link time
all -> "-pthread"
cilkplus -> "-fcilkplus"
openmp -> "-fopenmp"
mips64 -> "-mabi=64"
s390 -> "-m31"
s390x -> "-m64"
sparc32 -> "-m32 -mno-app-regs"
sparc64 -> "-m64 -mno-app-regs"
ppc64 -> "-m64"
x86_64 -> "-m64"
netbsd -> "-D_NETBSD_SOURCE"
qnx -> "-fexceptions -D_QNX_SOURCE"