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=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

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

<binary_link_commands>
linux         -> "$(LINKER) -Wl,-rpath=\$$ORIGIN"
default       -> "$(LINKER)"
</binary_link_commands>

<isa_flags>
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    -> ""
</isa_flags>

<mach_opt>
# 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"
</mach_opt>

# Flags set here are included at compile and link time
<mach_abi_linking>
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"
</mach_abi_linking>
