GCC.gcc = gcc
GCC.gxx = $(dir $(GCC.gcc))$(subst cc,c++,$(subst clang,clang++,$(subst gcc,g++,$(notdir $(GCC.gcc)))))

GCC.strip   = $$(if $$(filter none,$$(GCC.g)),1)
GCC.dylib   = 1
GCC.pipe    = 1
GCC.c_std   = 1
GCC.cxx_std = 0
GCC.ML      = 1
GCC.H       = 0
GCC.W       = all $(GCC.W.extra)
GCC.archs   =
GCC.sysroot =
GCC.minver  =
GCC.vis     = 0
GCC.pic     = 0
ifndef GCC.g
	GCC.g       = none
endif
ifndef GCC.O
    GCC.O       = none
endif
GCC.D       =
GCC.I       =
GCC.muldefs = 0
GCC.start   = 0
GCC.a       =
GCC.F       =
GCC.f       =
GCC.L       =
GCC.l       =
GCC.end     = 0

GCC.extra         = 1
GCC.extra.h_o     = 1
GCC.extra.c_o     = 1
GCC.extra.dylib   = 1
GCC.extra.exe     = 1
GCC.extra.hpp_o   = 1
GCC.extra.cpp_o   = 1
GCC.extra.dylib++ = 1
GCC.extra.exe++   = 1

GCC.args.pipe              = -pipe
GCC.args.strip             = -Wl,-S
GCC.args.dylib             = -dynamiclib
GCC.args.ML                = -fmessage-length=0
GCC.args.H                 = -H
GCC.args.W                 = -W$(1)
ifeq (darwin,$(HOST.system))
    GCC.args.archs         = -arch $(1)
endif
GCC.args.sysroot           = --sysroot=$(1)
GCC.args.minver            = -mmacosx-version-min=$(1)
GCC.args.vis               = -fvisibility=hidden
GCC.args.pic               = -fPIC
GCC.args.c_std             = -std=gnu99
GCC.args.cxx_std           = -std=c++98
GCC.args.g.none            = -g0
GCC.args.g.min             = -gdwarf-2 -g1
GCC.args.g.std             = -gdwarf-2
GCC.args.g.max             = -gdwarf-2 -g3
GCC.args.O.none            = -O0
GCC.args.O.size            = -Os
GCC.args.O.size-aggressive = -Oz
GCC.args.O.speed           = -O3
GCC.args.D                 = -D$(1)
GCC.args.I                 = -I$(1)
GCC.args.muldefs           = -Wl,--allow-multiple-definition
GCC.args.start             = -Wl,--start-group
GCC.args.F                 = -F$(1)
GCC.args.f                 = -framework $(1)
GCC.args.L                 = -L$(1)
GCC.args.l                 = -l$(1)
GCC.args.end               = -Wl,--end-group

ifeq ($(HOST.machine),$(filter $(HOST.machine),i686 x86_64))
    GCC.args.extra = $(CFLAGS) $(CPPFLAGS) -mfpmath=sse -msse2
else
    GCC.args.extra = $(CFLAGS) $(CPPFLAGS)
endif
GCC.args.extra.h_o     =
GCC.args.extra.c_o     =
GCC.args.extra.dylib   = $(LDFLAGS)
GCC.args.extra.exe     = $(LDFLAGS)
GCC.args.extra.hpp_o   =
GCC.args.extra.cpp_o   =
GCC.args.extra.dylib++ = $(LDFLAGS)
GCC.args.extra.exe++   = $(LDFLAGS)
# If hardening is enabled -D_FORTIFY_SOURCE=2 adds compile-time protection and run-time
# checking against static sized buffer overflow flaws. -fstack-protector-strong enables
# stack canaries to detect stack buffer overflows (stack overwrites).
ifeq (1,$(SECURITY.harden))
    GCC.args.extra     += -fstack-protector-strong -D_FORTIFY_SOURCE=2
    GCC.args.extra.exe += -fstack-protector-strong
endif

###############################################################################

define import.GCC
    $(1).GCC.gcc = $$(GCC.gcc)
    $(1).GCC.gxx = $$(dir $$($(1).GCC.gcc))$$(subst cc,c++,$$(subst clang,clang++,$$(subst gcc,g++,$$(notdir $$($(1).GCC.gcc)))))

    $(1).GCC.pipe    = $$(GCC.pipe)
    $(1).GCC.c_std   = $$(GCC.c_std)
    $(1).GCC.cxx_std = $$(GCC.cxx_std)
    $(1).GCC.strip   = $$(if $$(filter none,$$($(1).GCC.g)),1)
    $(1).GCC.dylib   = $$(GCC.dylib)
    $(1).GCC.ML      = $$(GCC.ML) 
    $(1).GCC.H       = $$(GCC.H) 
    $(1).GCC.W       = $$(GCC.W)
    $(1).GCC.archs   = $$(GCC.archs)
    $(1).GCC.sysroot = $$(GCC.sysroot)
    $(1).GCC.minver  = $$(GCC.minver)
    $(1).GCC.vis     = $$(GCC.vis)
    $(1).GCC.pic     = $$(GCC.pic)
    $(1).GCC.g       = $$(GCC.g)
    $(1).GCC.O       = $$(GCC.O)
    $(1).GCC.D       = $$(GCC.D)
    $(1).GCC.I       = $$(GCC.I)
    $(1).GCC.muldefs = $$(GCC.muldefs)
    $(1).GCC.start   = $$(GCC.start)
    $(1).GCC.a       = $$(GCC.a)
    $(1).GCC.F       = $$(GCC.F)
    $(1).GCC.f       = $$(GCC.f)
    $(1).GCC.L       = $$(GCC.L)
    $(1).GCC.l       = $$(GCC.l)
    $(1).GCC.end     = $$(GCC.end)

    $(1).GCC.extra         = $$(GCC.extra)
    $(1).GCC.extra.h_o     = $$(GCC.extra.h_o)
    $(1).GCC.extra.c_o     = $$(GCC.extra.c_o)
    $(1).GCC.extra.dylib   = $$(GCC.extra.dylib)
    $(1).GCC.extra.exe     = $$(GCC.extra.exe)
    $(1).GCC.extra.hpp_o   = $$(GCC.extra.hpp_o)
    $(1).GCC.extra.cpp_o   = $$(GCC.extra.cpp_o)
    $(1).GCC.extra.dylib++ = $$(GCC.extra.dylib++)
    $(1).GCC.extra.exe++   = $$(GCC.extra.exe++)

    $(1).GCC.args.pipe      = $$(GCC.args.pipe)
    $(1).GCC.args.c_std     = $$(GCC.args.c_std)
    $(1).GCC.args.cxx_std   = $$(GCC.args.cxx_std)
    $(1).GCC.args.strip     = $$(GCC.args.strip)
    $(1).GCC.args.dylib     = $$(GCC.args.dylib)
    $(1).GCC.args.ML        = $$(GCC.args.ML)
    $(1).GCC.args.H         = $$(GCC.args.H)
    $(1).GCC.args.W         = $$(GCC.args.W)
    $(1).GCC.args.archs     = $$(GCC.args.archs)
    $(1).GCC.args.sysroot   = $$(GCC.args.sysroot)
    $(1).GCC.args.minver    = $$(GCC.args.minver)
    $(1).GCC.args.vis       = $$(GCC.args.vis)
    $(1).GCC.args.pic       = $$(GCC.args.pic)
    $(1).GCC.args.g.none    = $$(GCC.args.g.none)
    $(1).GCC.args.g.min     = $$(GCC.args.g.min)
    $(1).GCC.args.g.std     = $$(GCC.args.g.std)
    $(1).GCC.args.g.max     = $$(GCC.args.g.max)
    $(1).GCC.args.O.none    = $$(GCC.args.O.none)
    $(1).GCC.args.O.size    = $$(GCC.args.O.size)
    $(1).GCC.args.O.speed   = $$(GCC.args.O.speed)
    $(1).GCC.args.D         = $$(GCC.args.D)
    $(1).GCC.args.I         = $$(GCC.args.I)
    $(1).GCC.args.muldefs   = $$(GCC.args.muldefs)
    $(1).GCC.args.start     = $$(GCC.args.start)
    $(1).GCC.args.F         = $$(GCC.args.F)
    $(1).GCC.args.f         = $$(GCC.args.f)
    $(1).GCC.args.L         = $$(GCC.args.L)
    $(1).GCC.args.l         = $$(GCC.args.l)
    $(1).GCC.args.end       = $$(GCC.args.end)

    $(1).GCC.args.extra         = $$(GCC.args.extra)
    $(1).GCC.args.extra.h_o     = $$(GCC.args.extra.h_o)
    $(1).GCC.args.extra.c_o     = $$(GCC.args.extra.c_o)
    $(1).GCC.args.extra.dylib   = $$(GCC.args.extra.dylib)
    $(1).GCC.args.extra.exe     = $$(GCC.args.extra.exe)
    $(1).GCC.args.extra.hpp_o   = $$(GCC.args.extra.hpp_o)
    $(1).GCC.args.extra.cpp_o   = $$(GCC.args.extra.cpp_o)
    $(1).GCC.args.extra.dylib++ = $$(GCC.args.extra.dylib++)
    $(1).GCC.args.extra.exe++   = $$(GCC.args.extra.exe++)

    ###########################################################################

    $(1).GCC.c = -c $$(4)
    $(1).GCC.o = -o $$(3)

    # FUNCTION: C precompiled headers
    $(1).GCC.H_O.args = !gcc ?c_std ?pipe ?ML ?H *W *archs *sysroot *minver ?vis ?pic .g .O ?extra ?extra.h_o *D *I !c !o
    $(1).GCC.H_O = $$(call fn.ARGS,$(1).GCC,$$($(1).GCC.H_O.args),$$(1),$$(2))

    # FUNCTION: C compile source
    $(1).GCC.C_O.args = !gcc ?c_std ?pipe ?ML ?H *W *archs *sysroot *minver ?vis ?pic .g .O ?extra ?extra.c_o *D *I !c !o
    $(1).GCC.C_O = $$(call fn.ARGS,$(1).GCC,$$($(1).GCC.C_O.args),$$(1),$$(2))

    # FUNCTION: C++ precompile headers
    $(1).GCC.HPP_O.args = !gxx ?cxx_std ?pipe ?ML ?H *W *archs *sysroot *minver ?vis ?pic .g .O ?extra ?extra.hpp_o *D *I !c !o
    $(1).GCC.HPP_O = $$(call fn.ARGS,$(1).GCC,$$($(1).GCC.HPP_O.args),$$(1),$$(2))

    # FUNCTION: C++ compile source
    $(1).GCC.CPP_O.args = !gxx ?cxx_std ?pipe ?ML ?H *W *archs *sysroot *minver ?vis ?pic .g .O ?extra ?extra.cpp_o *D *I !c !o
    $(1).GCC.CPP_O = $$(call fn.ARGS,$(1).GCC,$$($(1).GCC.CPP_O.args),$$(1),$$(2))

    ###########################################################################

    $(1).GCC.i = $$(4)

    # FUNCTION: C link dynamic-lib
    $(1).GCC.DYLIB.args = !gcc ?c_std ?pipe ?strip ?dylib ?extra.dylib ?ML *W *archs *sysroot *minver ?vis ?pic .g .O ?extra *D *I !o ?muldefs ?start !i *F *f *L *l *i !a ?end
    $(1).GCC.DYLIB = $$(call fn.ARGS,$(1).GCC,$$($(1).GCC.DYLIB.args),$$(1),$$(2))

    # FUNCTION: C link executable
    $(1).GCC.EXE.args = !gcc ?c_std ?pipe ?strip ?extra.exe ?ML *W *archs *sysroot *minver ?vis ?pic .g .O ?extra *D *I !o ?muldefs ?start !i *F *f *L *l *i !a ?end
    $(1).GCC.EXE = $$(call fn.ARGS,$(1).GCC,$$($(1).GCC.EXE.args),$$(1),$$(2))

    # FUNCTION: C++ link dynamic-lib
    $(1).GCC.DYLIB++.args = !gxx ?cxx_std ?pipe ?strip ?dylib ?extra.dylib++ ?ML *W *archs *sysroot *minvers ?vis ?pic .g .O ?extra *D *I !o ?muldefs ?start !i *F *f *L *l *i !a ?end
    $(1).GCC.DYLIB++ = $$(call fn.ARGS,$(1).GCC,$$($(1).GCC.DYLIB++.args),$$(1),$$(2))

    # FUNCTION: C++ link executable
    $(1).GCC.EXE++.args = !gxx ?cxx_std ?pipe ?strip ?extra.exe++ ?ML *W *archs *sysroot *minver ?vis ?pic .g .O ?extra *D *I !o ?muldefs ?start !i *F *f *L *l *i !a ?end
    $(1).GCC.EXE++ = $$(call fn.ARGS,$(1).GCC,$$($(1).GCC.EXE++.args),$$(1),$$(2))
endef