X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=config.mk;h=d32f51e90b08f054bf43b1842991c7d85ab1d8db;hb=2ba20ec65a23ec3a5f1f09e552f2082d841c4031;hp=f0f8aa86b69791abe2c854d52b9f59ed83c15a30;hpb=7f6c2cbc2bc0721c41bb776242c0b18ec70328e4;p=u-boot

diff --git a/config.mk b/config.mk
index f0f8aa86b6..d32f51e90b 100644
--- a/config.mk
+++ b/config.mk
@@ -1,5 +1,5 @@
 #
-# (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
@@ -23,6 +23,27 @@
 
 #########################################################################
 
+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 =
+PLATFORM_LDFLAGS =
+
 #
 # When cross-compiling on NetBSD, we have to define __PPC__ or else we
 # will pick up a va_list declaration that is incompatible with the
@@ -48,12 +69,19 @@ PLATFORM_CPPFLAGS+= -D__ARM__
 endif
 endif
 
+ifeq ($(ARCH),blackfin)
+PLATFORM_CPPFLAGS+= -D__BLACKFIN__ -mno-underscore
+endif
+
 ifdef	ARCH
 sinclude $(TOPDIR)/$(ARCH)_config.mk	# include architecture dependend rules
 endif
 ifdef	CPU
 sinclude $(TOPDIR)/cpu/$(CPU)/config.mk	# include  CPU	specific rules
 endif
+ifdef	SOC
+sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk	# include  SoC	specific rules
+endif
 ifdef	VENDOR
 BOARDDIR = $(VENDOR)/$(BOARD)
 else
@@ -78,6 +106,12 @@ HOSTCFLAGS	= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
 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...)
@@ -93,18 +127,32 @@ OBJCOPY = $(CROSS_COMPILE)objcopy
 OBJDUMP = $(CROSS_COMPILE)objdump
 RANLIB	= $(CROSS_COMPILE)RANLIB
 
+ARFLAGS = crv
 RELFLAGS= $(PLATFORM_RELFLAGS)
-DBGFLAGS= -g #-DDEBUG
+DBGFLAGS= -g # -DDEBUG
 OPTFLAGS= -Os #-fomit-frame-pointer
-#LDSCRIPT := board/$(BOARDDIR)/u-boot.lds.debug
+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
-OBJCFLAGS := --gap-fill=0xff
+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					\
-	-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 \
@@ -113,7 +161,23 @@ else
 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
 endif
 
+# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
+# this option have to be placed behind -Wall -- that's why it is here
+ifeq ($(ARCH),nios)
+ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)
+CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs
+endif
+endif
+
 AFLAGS_DEBUG := -Wa,-gstabs
+
+# turn jbsr into jsr for m68k
+ifeq ($(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)
@@ -131,11 +195,19 @@ LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
 ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
 BFD_ROOT_DIR =		/usr/local/tools
 else
+ifeq ($(HOSTARCH),$(ARCH))
+# native
+BFD_ROOT_DIR =		/usr
+else
 #BFD_ROOT_DIR =		/LinuxPPC/CDK		# Linux/i386
 #BFD_ROOT_DIR =		/usr/pkg/cross		# NetBSD/i386
-#BFD_ROOT_DIR =		/usr			# native
 BFD_ROOT_DIR =		/opt/powerpc
 endif
+endif
+
+ifeq ($(PCI_CLOCK),PCI_66M)
+CFLAGS := $(CFLAGS) -DPCI_66M
+endif
 
 #########################################################################
 
@@ -146,11 +218,23 @@ export	TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
 
 #########################################################################
 
+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
+
 #########################################################################