mk/lib.mk - platform/external/syslinux - Git at Google

 # -*- makefile -*-

 include $(MAKEDIR)/syslinux.mk

 # Support IA32 and x86_64 platforms with one build
 # Set up architecture specifics; for cross compilation, set ARCH as apt
 GCCOPT := $(call gcc_ok,-std=gnu99,)
 ifeq ($(ARCH),i386)
 	GCCOPT += $(call gcc_ok,-m32,)
 	GCCOPT += $(call gcc_ok,-mpreferred-stack-boundary=2,)
 	MARCH = i386
 endif
 ifeq ($(ARCH),x86_64)
 	GCCOPT += $(call gcc_ok,-m64,)
 	#let preferred-stack-boundary be default(=4)
 	MARCH = x86-64
 endif
 GCCOPT += $(call gcc_ok,-fno-stack-protector,)
 GCCOPT += $(call gcc_ok,-fwrapv,)
 GCCOPT += $(call gcc_ok,-freg-struct-return,)
 # Note -fPIE does not work with ld on x86_64, try -fPIC instead
 # Does BIOS build require -fPIE?
 GCCOPT += $(call gcc_ok,-fPIC)
 GCCOPT += $(call gcc_ok,-fno-exceptions,)
 GCCOPT += $(call gcc_ok,-fno-asynchronous-unwind-tables,)
 GCCOPT += $(call gcc_ok,-fno-strict-aliasing,)
 GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0)
 GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0)
 GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0)
 GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0)

 INCLUDE	= -I$(SRC)
 STRIP	= strip --strip-all -R .comment -R .note

 # zlib and libpng configuration flags
 LIBFLAGS = -DDYNAMIC_CRC_TABLE -DPNG_NO_CONSOLE_IO \
 	   -DPNG_NO_WRITE_SUPPORTED \
 	   -DPNG_NO_MNG_FEATURES \
 	   -DPNG_NO_READ_tIME -DPNG_NO_WRITE_tIME

 # We need some features in libpng which apparently aren't available in the
 # fixed-point versions.  It's OK, because we have to have a non-graphical
 # fallback anyway, just use that on old machines...
 # LIBFLAGS += -DPNG_NO_FLOATING_POINT_SUPPORTED

 REQFLAGS  = $(GCCOPT) -g -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ \
 	    -nostdinc -iwithprefix include -I. -I$(SRC)/sys \
 	    -I$(SRC)/../include -I$(com32)/include/sys \
 	    -I$(topdir)/core/include -I$(com32)/lib/ \
 	    -I$(com32)/lib/sys/module -I$(OBJ)/../..
 OPTFLAGS  = -Os -march=$(MARCH) -falign-functions=0 -falign-jumps=0 \
 	    -falign-labels=0 -ffast-math -fomit-frame-pointer
 WARNFLAGS = $(GCCWARN) -Wpointer-arith -Wwrite-strings -Wstrict-prototypes -Winline

 CFLAGS  = $(OPTFLAGS) $(REQFLAGS) $(WARNFLAGS) $(LIBFLAGS)

 ifndef EFI_BUILD
 CFLAGS += -mregparm=3 -DREGPARM=3
 endif

 VPATH = $(SRC)
 LIBOTHER_OBJS = \
 	atoi.o atol.o atoll.o calloc.o creat.o		\
 	fgets.o fprintf.o fputc.o	\
 	putchar.o				\
 	getopt.o getopt_long.o						\
 	lrand48.o stack.o memccpy.o memchr.o 		\
 	mempcpy.o memmem.o memmove.o memswap.o	\
 	perror.o qsort.o seed48.o \
 	srand48.o sscanf.o 						\
 	strerror.o errlist.o		\
 	strnlen.o							\
 	strncat.o strndup.o		\
 	stpncpy.o						\
 	strntoimax.o strsep.o strspn.o strstr.o				\
 	strtoimax.o strtok.o strtol.o strtoll.o strtoull.o		\
 	strtoumax.o vprintf.o vsprintf.o		\
 	asprintf.o vasprintf.o			\
 	vsscanf.o							\
 	skipspace.o							\
 	chrreplace.o							\
 	bufprintf.o							\
 	inet.o dhcppack.o dhcpunpack.o					\
 	strreplace.o							\
 	lstrdup.o						\
 	\
 	suffix_number.o							\
 	\
 	getcwd.o fdopendir.o	\
 	\
 	sys/line_input.o				\
 	sys/colortable.o sys/screensize.o				\
 	\
 	sys/stdcon_read.o sys/stdcon_write.o sys/rawcon_read.o		\
 	sys/rawcon_write.o		\
 	sys/null_read.o sys/null_write.o sys/serial_write.o		\
 	\
 	sys/xserial_write.o						\
 	\
 	sys/ansi.o							\
 	\
 	sys/ansicon_write.o sys/ansiserial_write.o			\
 	\
 	pci/cfgtype.o pci/scan.o pci/bios.o					\
 	pci/readb.o pci/readw.o pci/readl.o			\
 	pci/writeb.o pci/writew.o pci/writel.o	\
 	\
 	sys/x86_init_fpu.o math/pow.o math/strtod.o			\
 	syslinux/disk.o							\
 	\
 	syslinux/setup_data.o

 ## CORE OBJECTS, INCLUDED IN THE ROOT COM32 MODULE
 LIBENTRY_OBJS = \
 	sys/intcall.o sys/farcall.o sys/cfarcall.o sys/zeroregs.o	\
 	sys/argv.o sys/sleep.o						\
 	sys/fileinfo.o sys/opendev.o sys/read.o sys/write.o sys/ftell.o \
 	sys/close.o sys/open.o sys/fileread.o sys/fileclose.o		\
 	sys/openmem.o					\
 	sys/isatty.o sys/fstat.o					\
 	\
 	dprintf.o vdprintf.o						\
 	\
 	syslinux/idle.o							\
 	\
 	exit.o

 LIBGCC_OBJS = \
 	libgcc/__ashldi3.o libgcc/__udivdi3.o			\
 	libgcc/__negdi2.o libgcc/__ashrdi3.o libgcc/__lshrdi3.o		\
 	libgcc/__muldi3.o libgcc/__udivmoddi4.o libgcc/__umoddi3.o	\
 	libgcc/__divdi3.o libgcc/__moddi3.o

 LIBCONSOLE_OBJS = \
 	\
 	sys/openconsole.o sys/line_input.o				\
 	sys/colortable.o sys/screensize.o				\
 	\
 	sys/stdcon_read.o sys/rawcon_read.o		\
 	sys/rawcon_write.o						\
 	sys/null_write.o sys/serial_write.o		\
 	\
 	sys/xserial_write.o						\
 	\
 	sys/ansi.o							\
 	\
 	sys/ansicon_write.o sys/ansiserial_write.o	\
 	\
 	syslinux/serial.o

 LIBLOAD_OBJS = \
 	syslinux/addlist.o syslinux/freelist.o syslinux/memmap.o	\
 	syslinux/movebits.o syslinux/shuffle.o syslinux/shuffle_pm.o	\
 	syslinux/shuffle_rm.o syslinux/biosboot.o syslinux/zonelist.o	\
 	syslinux/dump_mmap.o syslinux/dump_movelist.o			\
 	\
 	syslinux/run_default.o syslinux/run_command.o			\
 	syslinux/cleanup.o syslinux/localboot.o	syslinux/runimage.o	\
 	\
 	syslinux/loadfile.o syslinux/floadfile.o syslinux/zloadfile.o	\
 	\
 	syslinux/load_linux.o syslinux/initramfs.o			\
 	syslinux/initramfs_file.o syslinux/initramfs_loadfile.o		\
 	syslinux/initramfs_archive.o

 LIBMODULE_OBJS = \
 	sys/module/common.o sys/module/$(ARCH)/elf_module.o		\
 	sys/module/elfutils.o	\
 	sys/module/exec.o sys/module/elf_module.o

 # ZIP library object files
 LIBZLIB_OBJS = \
 	zlib/adler32.o zlib/compress.o zlib/crc32.o 			\
 	zlib/uncompr.o zlib/deflate.o zlib/trees.o zlib/zutil.o		\
 	zlib/inflate.o zlib/infback.o zlib/inftrees.o zlib/inffast.o	\
 	sys/zfile.o sys/zfopen.o

 MINLIBOBJS = \
 	$(addprefix $(OBJ)/,syslinux/ipappend.o \
 	syslinux/dsinfo.o \
 	$(LIBOTHER_OBJS) \
 	$(LIBGCC_OBJS) \
 	$(LIBCONSOLE_OBJS) \
 	$(LIBLOAD_OBJS) \
 	$(LIBZLIB_OBJS))
 #	$(LIBVESA_OBJS)

 CORELIBOBJS = \
 	memcpy.o memset.o memcmp.o printf.o strncmp.o vfprintf.o 	\
 	strlen.o vsnprintf.o snprintf.o stpcpy.o strcmp.o strdup.o 	\
 	strcpy.o strncpy.o setjmp.o fopen.o fread.o fread2.o puts.o 	\
 	strtoul.o strntoumax.o strcasecmp.o 				\
 	sprintf.o strlcat.o strchr.o strlcpy.o strncasecmp.o ctypes.o 	\
 	fputs.o fwrite2.o fwrite.o fgetc.o fclose.o lmalloc.o 		\
 	sys/err_read.o sys/err_write.o sys/null_read.o 			\
 	sys/stdcon_write.o						\
 	syslinux/memscan.o strrchr.o strcat.o				\
 	libgcc/__ashldi3.o libgcc/__udivdi3.o				\
 	libgcc/__negdi2.o libgcc/__ashrdi3.o libgcc/__lshrdi3.o		\
 	libgcc/__muldi3.o libgcc/__udivmoddi4.o libgcc/__umoddi3.o	\
 	libgcc/__divdi3.o libgcc/__moddi3.o				\
 	syslinux/debug.o						\
 	$(LIBENTRY_OBJS) \
 	$(LIBMODULE_OBJS)

 LDFLAGS	= -m elf_$(ARCH) --hash-style=gnu -T $(com32)/lib/$(ARCH)/elf.ld

 .SUFFIXES: .c .o .a .so .lo .i .S .s .ls .ss .lss

 % : %.c # Cancel default rule

 % : %.S

 %.o: %.c
 	$(CC) $(MAKEDEPS) $(CFLAGS) -c -o $@ $<

 .c.i:
 	$(CC) $(MAKEDEPS) $(CFLAGS) -E -o $@ $<

 %.s: %.c
 	$(CC) $(MAKEDEPS) $(CFLAGS) -S -o $@ $<

 %.o: %.S
 	$(CC) $(MAKEDEPS) $(CFLAGS) -D__ASSEMBLY__ -c -o $@ $<

 .S.s:
 	$(CC) $(MAKEDEPS) $(CFLAGS) -D__ASSEMBLY__ -E -o $@ $<

 .S.lo:
 	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -D__ASSEMBLY__ -c -o $@ $<

 .S.ls:
 	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -D__ASSEMBLY__ -E -o $@ $<

 %(OBJ)/%.o: $(SRC)/%.s
 	$(CC) $(MAKEDEPS) $(CFLAGS) -x assembler -c -o $@ $<

 .ls.lo:
 	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -x assembler -c -o $@ $<

 .c.lo:
 	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -c -o $@ $<

 .c.ls:
 	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -S -o $@ $<

 %.c32: %.elf
 	$(OBJCOPY) --strip-debug --strip-unneeded $< $@
	# -- makefile --

	include $(MAKEDIR)/syslinux.mk

	# Support IA32 and x86_64 platforms with one build
	# Set up architecture specifics; for cross compilation, set ARCH as apt
	GCCOPT := $(call gcc_ok,-std=gnu99,)
	ifeq ($(ARCH),i386)
	GCCOPT += $(call gcc_ok,-m32,)
	GCCOPT += $(call gcc_ok,-mpreferred-stack-boundary=2,)
	MARCH = i386
	endif
	ifeq ($(ARCH),x86_64)
	GCCOPT += $(call gcc_ok,-m64,)
	#let preferred-stack-boundary be default(=4)
	MARCH = x86-64
	endif
	GCCOPT += $(call gcc_ok,-fno-stack-protector,)
	GCCOPT += $(call gcc_ok,-fwrapv,)
	GCCOPT += $(call gcc_ok,-freg-struct-return,)
	# Note -fPIE does not work with ld on x86_64, try -fPIC instead
	# Does BIOS build require -fPIE?
	GCCOPT += $(call gcc_ok,-fPIC)
	GCCOPT += $(call gcc_ok,-fno-exceptions,)
	GCCOPT += $(call gcc_ok,-fno-asynchronous-unwind-tables,)
	GCCOPT += $(call gcc_ok,-fno-strict-aliasing,)
	GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0)
	GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0)
	GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0)
	GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0)

	INCLUDE = -I$(SRC)
	STRIP = strip --strip-all -R .comment -R .note

	# zlib and libpng configuration flags
	LIBFLAGS = -DDYNAMIC_CRC_TABLE -DPNG_NO_CONSOLE_IO \
	-DPNG_NO_WRITE_SUPPORTED \
	-DPNG_NO_MNG_FEATURES \
	-DPNG_NO_READ_tIME -DPNG_NO_WRITE_tIME

	# We need some features in libpng which apparently aren't available in the
	# fixed-point versions. It's OK, because we have to have a non-graphical
	# fallback anyway, just use that on old machines...
	# LIBFLAGS += -DPNG_NO_FLOATING_POINT_SUPPORTED

	REQFLAGS = $(GCCOPT) -g -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ \
	-nostdinc -iwithprefix include -I. -I$(SRC)/sys \
	-I$(SRC)/../include -I$(com32)/include/sys \
	-I$(topdir)/core/include -I$(com32)/lib/ \
	-I$(com32)/lib/sys/module -I$(OBJ)/../..
	OPTFLAGS = -Os -march=$(MARCH) -falign-functions=0 -falign-jumps=0 \
	-falign-labels=0 -ffast-math -fomit-frame-pointer
	WARNFLAGS = $(GCCWARN) -Wpointer-arith -Wwrite-strings -Wstrict-prototypes -Winline

	CFLAGS = $(OPTFLAGS) $(REQFLAGS) $(WARNFLAGS) $(LIBFLAGS)

	ifndef EFI_BUILD
	CFLAGS += -mregparm=3 -DREGPARM=3
	endif

	VPATH = $(SRC)
	LIBOTHER_OBJS = \
	atoi.o atol.o atoll.o calloc.o creat.o \
	fgets.o fprintf.o fputc.o \
	putchar.o \
	getopt.o getopt_long.o \
	lrand48.o stack.o memccpy.o memchr.o \
	mempcpy.o memmem.o memmove.o memswap.o \
	perror.o qsort.o seed48.o \
	srand48.o sscanf.o \
	strerror.o errlist.o \
	strnlen.o \
	strncat.o strndup.o \
	stpncpy.o \
	strntoimax.o strsep.o strspn.o strstr.o \
	strtoimax.o strtok.o strtol.o strtoll.o strtoull.o \
	strtoumax.o vprintf.o vsprintf.o \
	asprintf.o vasprintf.o \
	vsscanf.o \
	skipspace.o \
	chrreplace.o \
	bufprintf.o \
	inet.o dhcppack.o dhcpunpack.o \
	strreplace.o \
	lstrdup.o \
	\
	suffix_number.o \
	\
	getcwd.o fdopendir.o \
	\
	sys/line_input.o \
	sys/colortable.o sys/screensize.o \
	\
	sys/stdcon_read.o sys/stdcon_write.o sys/rawcon_read.o \
	sys/rawcon_write.o \
	sys/null_read.o sys/null_write.o sys/serial_write.o \
	\
	sys/xserial_write.o \
	\
	sys/ansi.o \
	\
	sys/ansicon_write.o sys/ansiserial_write.o \
	\
	pci/cfgtype.o pci/scan.o pci/bios.o \
	pci/readb.o pci/readw.o pci/readl.o \
	pci/writeb.o pci/writew.o pci/writel.o \
	\
	sys/x86_init_fpu.o math/pow.o math/strtod.o \
	syslinux/disk.o \
	\
	syslinux/setup_data.o

	## CORE OBJECTS, INCLUDED IN THE ROOT COM32 MODULE
	LIBENTRY_OBJS = \
	sys/intcall.o sys/farcall.o sys/cfarcall.o sys/zeroregs.o \
	sys/argv.o sys/sleep.o \
	sys/fileinfo.o sys/opendev.o sys/read.o sys/write.o sys/ftell.o \
	sys/close.o sys/open.o sys/fileread.o sys/fileclose.o \
	sys/openmem.o \
	sys/isatty.o sys/fstat.o \
	\
	dprintf.o vdprintf.o \
	\
	syslinux/idle.o \
	\
	exit.o

	LIBGCC_OBJS = \
	libgcc/__ashldi3.o libgcc/__udivdi3.o \
	libgcc/__negdi2.o libgcc/__ashrdi3.o libgcc/__lshrdi3.o \
	libgcc/__muldi3.o libgcc/__udivmoddi4.o libgcc/__umoddi3.o \
	libgcc/__divdi3.o libgcc/__moddi3.o

	LIBCONSOLE_OBJS = \
	\
	sys/openconsole.o sys/line_input.o \
	sys/colortable.o sys/screensize.o \
	\
	sys/stdcon_read.o sys/rawcon_read.o \
	sys/rawcon_write.o \
	sys/null_write.o sys/serial_write.o \
	\
	sys/xserial_write.o \
	\
	sys/ansi.o \
	\
	sys/ansicon_write.o sys/ansiserial_write.o \
	\
	syslinux/serial.o

	LIBLOAD_OBJS = \
	syslinux/addlist.o syslinux/freelist.o syslinux/memmap.o \
	syslinux/movebits.o syslinux/shuffle.o syslinux/shuffle_pm.o \
	syslinux/shuffle_rm.o syslinux/biosboot.o syslinux/zonelist.o \
	syslinux/dump_mmap.o syslinux/dump_movelist.o \
	\
	syslinux/run_default.o syslinux/run_command.o \
	syslinux/cleanup.o syslinux/localboot.o syslinux/runimage.o \
	\
	syslinux/loadfile.o syslinux/floadfile.o syslinux/zloadfile.o \
	\
	syslinux/load_linux.o syslinux/initramfs.o \
	syslinux/initramfs_file.o syslinux/initramfs_loadfile.o \
	syslinux/initramfs_archive.o

	LIBMODULE_OBJS = \
	sys/module/common.o sys/module/$(ARCH)/elf_module.o \
	sys/module/elfutils.o \
	sys/module/exec.o sys/module/elf_module.o

	# ZIP library object files
	LIBZLIB_OBJS = \
	zlib/adler32.o zlib/compress.o zlib/crc32.o \
	zlib/uncompr.o zlib/deflate.o zlib/trees.o zlib/zutil.o \
	zlib/inflate.o zlib/infback.o zlib/inftrees.o zlib/inffast.o \
	sys/zfile.o sys/zfopen.o

	MINLIBOBJS = \
	$(addprefix $(OBJ)/,syslinux/ipappend.o \
	syslinux/dsinfo.o \
	$(LIBOTHER_OBJS) \
	$(LIBGCC_OBJS) \
	$(LIBCONSOLE_OBJS) \
	$(LIBLOAD_OBJS) \
	$(LIBZLIB_OBJS))
	# $(LIBVESA_OBJS)

	CORELIBOBJS = \
	memcpy.o memset.o memcmp.o printf.o strncmp.o vfprintf.o \
	strlen.o vsnprintf.o snprintf.o stpcpy.o strcmp.o strdup.o \
	strcpy.o strncpy.o setjmp.o fopen.o fread.o fread2.o puts.o \
	strtoul.o strntoumax.o strcasecmp.o \
	sprintf.o strlcat.o strchr.o strlcpy.o strncasecmp.o ctypes.o \
	fputs.o fwrite2.o fwrite.o fgetc.o fclose.o lmalloc.o \
	sys/err_read.o sys/err_write.o sys/null_read.o \
	sys/stdcon_write.o \
	syslinux/memscan.o strrchr.o strcat.o \
	libgcc/__ashldi3.o libgcc/__udivdi3.o \
	libgcc/__negdi2.o libgcc/__ashrdi3.o libgcc/__lshrdi3.o \
	libgcc/__muldi3.o libgcc/__udivmoddi4.o libgcc/__umoddi3.o \
	libgcc/__divdi3.o libgcc/__moddi3.o \
	syslinux/debug.o \
	$(LIBENTRY_OBJS) \
	$(LIBMODULE_OBJS)

	LDFLAGS = -m elf_$(ARCH) --hash-style=gnu -T $(com32)/lib/$(ARCH)/elf.ld

	.SUFFIXES: .c .o .a .so .lo .i .S .s .ls .ss .lss

	% : %.c # Cancel default rule

	% : %.S

	%.o: %.c
	$(CC) $(MAKEDEPS) $(CFLAGS) -c -o $@ $<

	.c.i:
	$(CC) $(MAKEDEPS) $(CFLAGS) -E -o $@ $<

	%.s: %.c
	$(CC) $(MAKEDEPS) $(CFLAGS) -S -o $@ $<

	%.o: %.S
	$(CC) $(MAKEDEPS) $(CFLAGS) -D__ASSEMBLY__ -c -o $@ $<

	.S.s:
	$(CC) $(MAKEDEPS) $(CFLAGS) -D__ASSEMBLY__ -E -o $@ $<

	.S.lo:
	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -D__ASSEMBLY__ -c -o $@ $<

	.S.ls:
	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -D__ASSEMBLY__ -E -o $@ $<

	%(OBJ)/%.o: $(SRC)/%.s
	$(CC) $(MAKEDEPS) $(CFLAGS) -x assembler -c -o $@ $<

	.ls.lo:
	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -x assembler -c -o $@ $<

	.c.lo:
	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -c -o $@ $<

	.c.ls:
	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -S -o $@ $<

	%.c32: %.elf
	$(OBJCOPY) --strip-debug --strip-unneeded $< $@