#
-# (C) Copyright 2000
+# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
#########################################################################
+ifneq ($(OBJTREE),$(SRCTREE))
+ifeq ($(CURDIR),$(SRCTREE))
+dir :=
+else
+dir := $(subst $(SRCTREE)/,,$(CURDIR))
+endif
+
+obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
+src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
+
+$(shell mkdir -p $(obj))
+else
+obj :=
+src :=
+endif
+
# clean the slate ...
PLATFORM_RELFLAGS =
PLATFORM_CPPFLAGS =
endif
endif
+ifeq ($(ARCH),blackfin)
+PLATFORM_CPPFLAGS+= -D__BLACKFIN__
+endif
+
ifdef ARCH
sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
endif
HOSTSTRIP = strip
#########################################################################
+#
+# Option checker (courtesy linux kernel) to ensure
+# only supported compiler options are used
+#
+cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
+ > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
#
# Include the make variables (CC, etc...)
OBJDUMP = $(CROSS_COMPILE)objdump
RANLIB = $(CROSS_COMPILE)RANLIB
+ifneq (,$(findstring s,$(MAKEFLAGS)))
+ARFLAGS = cr
+else
+ARFLAGS = crv
+endif
RELFLAGS= $(PLATFORM_RELFLAGS)
-DBGFLAGS= -g #-DDEBUG
+DBGFLAGS= -g # -DDEBUG
OPTFLAGS= -Os #-fomit-frame-pointer
ifndef LDSCRIPT
#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
+ifeq ($(CONFIG_NAND_U_BOOT),y)
+LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
+else
LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
endif
+endif
OBJCFLAGS += --gap-fill=0xff
gccincdir := $(shell $(CC) -print-file-name=include)
CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
-D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
- -I$(TOPDIR)/include \
- -fno-builtin -ffreestanding -nostdinc -isystem \
- $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
+
+ifneq ($(OBJTREE),$(SRCTREE))
+CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include
+endif
+
+CPPFLAGS += -I$(TOPDIR)/include
+CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
+ -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
ifdef BUILD_TAG
CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
endif
endif
-AFLAGS_DEBUG := -Wa,-gstabs
+# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
+# option to the assembler.
+AFLAGS_DEBUG :=
+
+# turn jbsr into jsr for m68k
+ifeq ($(ARCH),m68k)
+ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
+AFLAGS_DEBUG := -Wa,-gstabs,-S
+endif
+endif
+
AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
endif
endif
+ifeq ($(PCI_CLOCK),PCI_66M)
+CFLAGS := $(CFLAGS) -DPCI_66M
+endif
+
#########################################################################
export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
#########################################################################
+ifndef REMOTE_BUILD
+
%.s: %.S
- $(CPP) $(AFLAGS) -o $@ $(CURDIR)/$<
+ $(CPP) $(AFLAGS) -o $@ $<
%.o: %.S
- $(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$<
+ $(CC) $(AFLAGS) -c -o $@ $<
%.o: %.c
$(CC) $(CFLAGS) -c -o $@ $<
+else
+
+$(obj)%.s: %.S
+ $(CPP) $(AFLAGS) -o $@ $<
+$(obj)%.o: %.S
+ $(CC) $(AFLAGS) -c -o $@ $<
+$(obj)%.o: %.c
+ $(CC) $(CFLAGS) -c -o $@ $<
+endif
+
#########################################################################