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1685 fabio 1
# Shark-specific bits of the build system.
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# Include the configuration file.
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topdir=$(if $(S),$(S),$(srctree))
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include $(topdir)/shark.cfg
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# Those are the targets used to build all the libraries that compose
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# the system.  This is the only point (except local Makefiles, of course,
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# that need to be added as needed) that has to be modified to add new files
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# or directories to the main system.
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# $(TARGETS) is the list of the main targets used to build the system,
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# it contains all the directories recursed by the main Makefile, and the
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# special target libgkern.a, that contains the base system.  To add a
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# directory that specifies its own libraries simply put it in $(TARGETS).
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TARGETS= libgkern.a drivers/ libc/ ports/ tracer/ $(fs-$(SHARK_FS))
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# $(LIBGKERN-OBJS) is the list of targets that compose libgkern.a.  To
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# add a directory to it, simply put it here.  The generic kernel used to
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# be separed from the oslib and from the modules, but that hardly made
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# sense for a Shark application, as all those three components are needed
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# for it to run.
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LIBGKERN-OBJS= arch/$(ARCH)/ kernel/ modules/
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# Handle Shark configuration.  Really insane, indeed, btw there should
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# not be the need to modify anything below this point in the file to
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# handle common maintainance tasks.
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options:=TSC APIC BIOS TRACER FG FB COMPILER
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define strip-in-place
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$(1):=$(strip $($(1)))
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endef
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$(foreach cfgopt,$(options),$(eval $(call strip-in-place,$(cfgopt))))
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cpp-tsc-TRUE:= -D__TSC__
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cpp-apic-TRUE:= -D__APIC__
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cpp-bios-VM86:= -DVM86
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cpp-tracer-NEW:= -D__NEW_TRACER__
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cpp-tracer-OLD:= -D__OLD_TRACER__
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cpp-fg-FORCE_PXC:= -D__FORCE_PXC__
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cpp-fb-VESA:= -DCONFIG_FB_VESA -DCONFIG_LOGO
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cpp-fb-FINDPCI:= -DCONFIG_FB_RIVA -DCONFIG_FB_RADEON -DCONFIG_FB_MATROX	\
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	-DCONFIG_LOGO -DCONFIG_FB_MATROX_G100				\
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	-DCONFIG_FB_MATROX_MILLENIUM -DCONFIG_FB_MATROX_MYSTIQUE
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cpp-fb-VGA16:= -DCONFIG_FB_VGA16
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include-dirs:=								\
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	-I$(topdir)/include -I$(topdir)/modules				\
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	-I$(topdir)/arch/$(ARCH)/include/arch				\
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	-I$(topdir)/libc/arch/$(ARCH)/include				\
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	-I$(topdir)/tracer/include
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config:= -D__LINUX__							\
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	$(cpp-tsc-$(TSC)) $(cpp-apic-$(APIC)) $(cpp-bios-$(BIOS))	\
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	$(cpp-tracer-$(TRACER)) $(cpp-fg-$(FG)) $(cpp-fb-$(FB))
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exported-cppflags:= $(include-dirs) $(config)
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exported-aflags:= -x assembler-with-cpp $(include-dirs) $(config)
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cc-compiler-GCC4:= -Wimplicit-function-declaration -Wno-attributes	\
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	-Wno-pointer-sign -Wall -O -fno-builtin -nostdinc		\
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	-minline-all-stringops -fno-stack-protector
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cc-compiler-GCC3:= -Wimplicit-function-declaration -Wall -O		\
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	-fno-builtin -nostdinc -minline-all-stringops
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cc-compiler-DJGPP:= -Wimplicit-function-declaration -Wall -O		\
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	-fno-builtin -nostdinc -minline-all-stringops
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exported-cflags:= $(cc-compiler-$(COMPILER))
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fs-YES:= fs/
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ifndef APP
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# If we are not building an application, just build the system libraries.
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targets:= $(TARGETS)
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libgkern.a-objs:= $(LIBGKERN-OBJS)
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all: install
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else
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# Rules to build a Shark application.  The following variables are used:
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# APP:		the application to build.
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# INIT:		the initialization object file.
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# OTHEROBJS:	other objects to be linked to the application.
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# OTHERLIBS:	other libraries to be linked to the application.
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# OTHERINCL:	additional preprocessor flags for the app and its
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#		additional objects.
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# SHARKOPT:	options to specify which Shark components are to be
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#		linked to the application.
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# Directory where we search for the compiled Shark libraries.
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libs-dir:= $(if $(B),$(B)/.lib,$(if $(S),$(S)/.lib,\
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	$(if $(BASE),$(BASE)/.lib,../../.lib)))
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ifeq ($(wildcard $(libs-dir)),)
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$(error Cannod find Shark build directory)
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endif
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# Handle $(SHARKOPT).  Always link the generic kernel and the architecture
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# support code, as they're needed for the application to run.  Link the
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# libc too, as we still don't have proper interface separation.
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# XXX Bring back tracer and filesystem.
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# XXX The old build system included also the ports and other libs...
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app-libs:= -lgkern -lc -lcons -lserial
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app-cppflags:= -I$(topdir)/drivers/linuxc26/include\
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	-I$(topdir)/drivers/cons/include
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wants-option=$(if $(filter $(1),$(uselib)),y)
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use-zlib-y:= __ZLIB__
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uselib:= $(SHARKOPT)
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# PCI
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libs-__PCI__-y:= -lpci
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cppflags-__PCI__-y:= -I$(topdir)/drivers/pci/include
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# Network
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libs-__NET__-y:= -lnet
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cppflags-__NET__-y:= -I$(topdir)/drivers/net/include
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# grx
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libs-__GRX__-y:= -lgrx
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cppflags-__GRX__-y:= -I$(topdir)/drivers/grx/include
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# Framebuffer
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libs-__FB__-y:= -lfb
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cppflags-__FB__-y:= -I$(topdir)/drivers/fb/include
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# Oldchar
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libs-__OLDCHAR__-y:= -loldch
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cppflags-__OLDCHAR__-y:= -I$(topdir)/drivers/oldchar/include
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# Linux compatibility layer
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libs-__LINUXC26__-y:= -lcomp26
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# PCL833
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libs-__PCL833__-y:= -lpcl833
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cppflags-__PCL833__-y:= -I$(topdir)/drivers/pcl833/include
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# Parport
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libs-__PPORT__-y:= -lpport
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cppflags-__PPORT__-y:= -I$(topdir)/drivers/parport/include
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# PCLAB
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libs-__PCLAB__-y:= -lpclab
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cppflags-__PCLAB__-y:= -I$(topdir)/drivers/pcl812/include
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# BTTV
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libs-__BTTV__-y:= -lbttv
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cppflags-__BTTV__-y:= -I$(topdir)/drivers/bttv/include
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# Input
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libs-__INPUT__-y:= -linput
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cppflags-__INPUT__-y:= -I$(topdir)/drivers/input/include
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# CPU
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libs-__CPU__-y:= -lcpu
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cppflags-__CPU__-y:= -I$(topdir)/drivers/cpu/include
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# USB
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libs-__USB__-y:= -lusb
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cppflags-__USB__-y:= -I$(topdir)/drivers/usb/include
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# I2C
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libs-__I2C__-y:= -li2c
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cppflags-__I2C__-y:= -I$(topdir)/drivers/i2c/include
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# 6025e
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libs-__6025E__-y:= -l6025e
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cppflags-__6025E__-y:= -I$(topdir)/drivers/pci6025e/include
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# Mesa
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libs-__OSMESA__-y:= -losmesa -lglut -lglu
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cppflags-__OSMESA__-y:= -I$(topdir)/ports/mesa/include
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# Servo
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libs-__SERVO__-y:= -lservo
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cppflags-__SERVO__-y:= -I$(topdir)/ports/servo/include
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# TFTP
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libs-__TFTP__-y:= -ltftp
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cppflags-__TFTP__-y:= -I$(topdir)/ports/tftp/include
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libs-tracer-OLD:= -ltracer -lnet -lpci -lcomp26
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libs-tracer-NEW:= $(libs-tracer-OLD)
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options= __PCI__ __NET__ __GRX__ __FB__ __OLDCHAR__ __LINUXC26__ __PCL833__\
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	__PPORT__ __PCLAB__ __BTTV__ __INPUT__ __CPU__ __USB__ __I2C__ \
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	__6025E__ __OSMESA__ __SERVO__ __TFTP__
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app-libs+= $(foreach opt,$(options),$(libs-$(opt)-$(call wants-option,$(opt))))
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app-cppflags+= $(foreach opt,$(options),$(cppflags-$(opt)-$(call\
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	wants-option,$(opt))))
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app-libs+= $(libs-tracer-$(TRACER))
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targets:= $(APP)
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$(APP)-objs:= $(APP).o $(OTHEROBJS)
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$(APP)-startup:= $(libs-dir)/x0.o
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$(APP)-cppflags+= $(OTHERINCL) $(app-cppflags)
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$(APP)-ldflags+= -Bstatic -Ttext $(MEM_START) -s -nostartfiles -nostdlib\
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	-L$(libs-dir) --start-group $(sort $(app-libs)) $(OTHERLIBS) --end-group
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endif
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