SPLTREE := $(OBJTREE)/spl
TPLTREE := $(OBJTREE)/tpl
SRCTREE := $(CURDIR)
+srctree := $(SRCTREE)
TOPDIR := $(SRCTREE)
LNDIR := $(OBJTREE)
-export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
+export TOPDIR SRCTREE srctree OBJTREE SPLTREE TPLTREE
MKCONFIG := $(SRCTREE)/mkconfig
export MKCONFIG
CROSS_COMPILE ?=
endif
+# SHELL used by kbuild
+CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
+ else if [ -x /bin/bash ]; then echo /bin/bash; \
+ else echo sh; fi ; fi)
+
+HOSTCC = gcc
+HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
+
+ifeq ($(HOSTOS),cygwin)
+HOSTCFLAGS += -ansi
+endif
+
+# Mac OS X / Darwin's C preprocessor is Apple specific. It
+# generates numerous errors and warnings. We want to bypass it
+# and use GNU C's cpp. To do this we pass the -traditional-cpp
+# option to the compiler. Note that the -traditional-cpp flag
+# DOES NOT have the same semantics as GNU C's flag, all it does
+# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
+#
+# Apple's linker is similar, thanks to the new 2 stage linking
+# multiple symbol definitions are treated as errors, hence the
+# -multiply_defined suppress option to turn off this error.
+#
+ifeq ($(HOSTOS),darwin)
+# get major and minor product version (e.g. '10' and '6' for Snow Leopard)
+DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.')
+DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.')
+
+os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
+ $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
+
+# Snow Leopards build environment has no longer restrictions as described above
+HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc")
+HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp")
+HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
+endif
+
+# We need some generic definitions (do not try to remake the file).
+$(srctree)/scripts/Kbuild.include: ;
+include $(srctree)/scripts/Kbuild.include
+
+# Make variables (CC, etc...)
+
+AS = $(CROSS_COMPILE)as
+# Always use GNU ld
+ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),)
+LD = $(CROSS_COMPILE)ld.bfd
+else
+LD = $(CROSS_COMPILE)ld
+endif
+CC = $(CROSS_COMPILE)gcc
+CPP = $(CC) -E
+AR = $(CROSS_COMPILE)ar
+NM = $(CROSS_COMPILE)nm
+LDR = $(CROSS_COMPILE)ldr
+STRIP = $(CROSS_COMPILE)strip
+OBJCOPY = $(CROSS_COMPILE)objcopy
+OBJDUMP = $(CROSS_COMPILE)objdump
+AWK = awk
+RANLIB = $(CROSS_COMPILE)RANLIB
+DTC = dtc
+CHECK = sparse
+
+CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
+ -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
+
+KBUILD_CPPFLAGS := -D__KERNEL__
+
+KBUILD_CFLAGS := -Wall -Wstrict-prototypes \
+ -Wno-format-security \
+ -fno-builtin -ffreestanding
+KBUILD_AFLAGS := -D__ASSEMBLY__
+
+export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
+export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
+export MAKE AWK
+export DTC CHECK CHECKFLAGS
+
+export KBUILD_CPPFLAGS
+export KBUILD_CFLAGS KBUILD_AFLAGS
+
+KBUILD_CFLAGS += -Os #-fomit-frame-pointer
+
+ifdef BUILD_TAG
+KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
+endif
+
+KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
+
+KBUILD_CFLAGS += -g
+# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
+# option to the assembler.
+KBUILD_AFLAGS += -g
+
+# Report stack usage if supported
+KBUILD_CFLAGS += $(call cc-option,-fstack-usage)
+
+KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
+
+# turn jbsr into jsr for m68k
+ifeq ($(ARCH),m68k)
+ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
+KBUILD_AFLAGS += -Wa,-gstabs,-S
+endif
+endif
+
# load other configuration
include $(TOPDIR)/config.mk
endif
endif
-build := -f $(TOPDIR)/scripts/Makefile.build -C
-
all: $(ALL-y) $(SUBDIR_EXAMPLES-y)
$(obj)u-boot.dtb: checkdtc $(obj)u-boot
$(MAKE) $(build) $(dir $(subst $(obj),,$@))
$(SUBDIRS): depend
- $(MAKE) -C $@ all
+ $(MAKE) $(build) $@ all
$(SUBDIR_EXAMPLES-y): $(obj)u-boot
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
- $(MAKE) -C nand_spl/board/$(BOARDDIR) all
+ $(MAKE) $(build) nand_spl/board/$(BOARDDIR) all
$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
@ exit 1
tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
- $(MAKE) -C $@ all
+ $(MAKE) $(build) $@ all
endif # config.mk
# ARM relocations should all be R_ARM_RELATIVE (32-bit) or
@cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
easylogo env gdb:
- $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
+ $(MAKE) $(build) tools/$@ MTD_VERSION=${MTD_VERSION}
+
gdbtools: gdb
xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
$(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
- $(MAKE) -C tools HOST_TOOLS_ALL=y
+ $(MAKE) $(build) tools HOST_TOOLS_ALL=y
.PHONY : CHANGELOG
CHANGELOG:
$(obj)examples/standalone/interrupt \
$(obj)examples/standalone/mem_to_mem_idma2intr \
$(obj)examples/standalone/sched \
- $(obj)examples/standalone/smc911{11,x}_eeprom \
+ $(addprefix $(obj)examples/standalone/, smc91111_eeprom smc911x_eeprom) \
$(obj)examples/standalone/test_burst \
$(obj)examples/standalone/timer
- @rm -f $(obj)examples/api/demo{,.bin}
+ @rm -f $(addprefix $(obj)examples/api/, demo demo.bin)
@rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
$(obj)tools/env/fw_printenv \
$(obj)tools/envcrc \
- $(obj)tools/gdb/{gdbcont,gdbsend} \
+ $(addprefix $(obj)tools/gdb/, gdbcont gdbsend) \
$(obj)tools/gen_eth_addr $(obj)tools/img2srec \
- $(obj)tools/dump{env,}image \
- $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \
- $(obj)tools/mk{$(BOARD),}spl \
+ $(obj)tools/dumpimage \
+ $(addprefix $(obj)tools/, mkenvimage mkimage) \
+ $(obj)tools/mpc86x_clk \
+ $(addprefix $(obj)tools/, mk$(BOARD)spl mkexynosspl) \
$(obj)tools/mxsboot \
$(obj)tools/ncb $(obj)tools/ubsha1 \
$(obj)tools/kernel-doc/docproc \
$(obj)tools/proftool
- @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \
+ @rm -f $(addprefix $(obj)board/cray/L1/, bootscript.c bootscript.image) \
$(obj)board/matrix_vision/*/bootscript.img \
+ $(obj)spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl \
$(obj)u-boot.lds \
- $(obj)arch/blackfin/cpu/init.{lds,elf}
+ $(addprefix $(obj)arch/blackfin/cpu/, init.lds init.elf)
@rm -f $(obj)include/bmp_logo.h
@rm -f $(obj)include/bmp_logo_data.h
@rm -f $(obj)lib/asm-offsets.s
@rm -f $(obj)u-boot.dtb
@rm -f $(obj)u-boot.sb
@rm -f $(obj)u-boot.spr
- @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
- @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
- @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
+ @rm -f $(addprefix $(obj)nand_spl/, u-boot.lds u-boot.lst System.map)
+ @rm -f $(addprefix $(obj)nand_spl/, u-boot-nand_spl.lds u-boot-spl u-boot-spl.map)
+ @rm -f $(addprefix $(obj)spl/, u-boot-spl u-boot-spl.bin u-boot-spl.map)
@rm -f $(obj)spl/u-boot-spl.lds
- @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
+ @rm -f $(addprefix $(obj)tpl/, u-boot-tpl u-boot-tpl.bin u-boot-tpl.map)
@rm -f $(obj)tpl/u-boot-spl.lds
@rm -f $(obj)MLO MLO.byteswap
@rm -f $(obj)SPL
@rm -fr $(obj)include/generated
@[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
@rm -f $(obj)dts/*.tmp
- @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
+ @rm -f $(addprefix $(obj)spl/, u-boot-spl.ais, u-boot-spl-pad.ais)
mrproper \
distclean: clobber unconfig
projects / oweals / u-boot.git / blobdiff