X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=config.mk;h=5147c3568b83fc879c2f5fb92e0cacc68c0e9624;hb=6e7f0bc0ce33adbd028f4e34b7e9d3bf46e0f95b;hp=c4ad223bfacb41c777f306a8520ab825fb145385;hpb=922d27b596c179c5a7d68abe45ede5adb1b6589c;p=platform%2Fkernel%2Fu-boot.git

diff --git a/config.mk b/config.mk
index c4ad223..5147c35 100644
--- a/config.mk
+++ b/config.mk
@@ -12,7 +12,7 @@
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
@@ -53,7 +53,7 @@ HOSTSTRIP	= strip
 #
 # 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
+# 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.
@@ -68,13 +68,13 @@ ifeq ($(HOSTOS),darwin)
 DARWIN_MAJOR_VERSION	= $(shell sw_vers -productVersion | cut -f 1 -d '.')
 DARWIN_MINOR_VERSION	= $(shell sw_vers -productVersion | cut -f 2 -d '.')
 
-before-snow-leopard	= $(shell if [ $(DARWIN_MAJOR_VERSION) -le 10 -a \
-	$(DARWIN_MINOR_VERSION) -le 5 ] ; then echo "$(1)"; else echo "$(2)"; fi ;)
+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 before-snow-leopard, "cc", "gcc")
-HOSTCFLAGS	+= $(call before-snow-leopard, "-traditional-cpp")
-HOSTLDFLAGS	+= $(call before-snow-leopard, "-multiply_defined suppress")
+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")
 else
 HOSTCC		= gcc
 endif
@@ -166,8 +166,8 @@ gccincdir := $(shell $(CC) -print-file-name=include)
 
 CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS)		\
 	-D__KERNEL__
-ifneq ($(TEXT_BASE),)
-CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
+ifneq ($(CONFIG_SYS_TEXT_BASE),)
+CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
 endif
 
 ifneq ($(RESET_VECTOR_ADDRESS),)
@@ -191,14 +191,6 @@ endif
 
 CFLAGS += $(call cc-option,-fno-stack-protector)
 
-# 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
-
 # $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
 # option to the assembler.
 AFLAGS_DEBUG :=
@@ -212,9 +204,11 @@ endif
 
 AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
 
-LDFLAGS += -Bstatic -T $(obj)u-boot.lds $(PLATFORM_LDFLAGS)
-ifneq ($(TEXT_BASE),)
-LDFLAGS += -Ttext $(TEXT_BASE)
+LDFLAGS += $(PLATFORM_LDFLAGS)
+
+LDFLAGS_u-boot += -Bstatic -T $(obj)u-boot.lds $(PLATFORM_LDFLAGS)
+ifneq ($(CONFIG_SYS_TEXT_BASE),)
+LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
 endif
 
 # Location of a usable BFD library, where we define "usable" as
@@ -244,26 +238,30 @@ endif
 
 export	HOSTCC HOSTCFLAGS HOSTLDFLAGS PEDCFLAGS HOSTSTRIP CROSS_COMPILE \
 	AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE
-export	TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
+export	CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
 
 #########################################################################
 
 # Allow boards to use custom optimize flags on a per dir/file basis
 BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%))
+ALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR))
+ALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR))
 $(obj)%.s:	%.S
-	$(CPP) $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR)) \
-		-o $@ $<
+	$(CPP) $(ALL_AFLAGS) -o $@ $<
 $(obj)%.o:	%.S
-	$(CC)  $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR)) \
-		-o $@ $< -c
+	$(CC)  $(ALL_AFLAGS) -o $@ $< -c
 $(obj)%.o:	%.c
-	$(CC)  $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
-		-o $@ $< -c
+	$(CC)  $(ALL_CFLAGS) -o $@ $< -c
 $(obj)%.i:	%.c
-	$(CPP) $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
-		-o $@ $< -c
+	$(CPP) $(ALL_CFLAGS) -o $@ $< -c
 $(obj)%.s:	%.c
-	$(CC)  $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
-		-o $@ $< -c -S
+	$(CC)  $(ALL_CFLAGS) -o $@ $< -c -S
+
+#########################################################################
+
+# If the list of objects to link is empty, just create an empty built-in.o
+cmd_link_o_target = $(if $(strip $1),\
+		      $(LD) $(LDFLAGS) -r -o $@ $1,\
+		      rm -f $@; $(AR) rcs $@ )
 
 #########################################################################