[PATCH] xtensa: Removed local copy of zlib and fixed O= support

Removed an unnecessary local copy of zlib (sorry for the add'l traffic).
Fixed 'O=' support (thanks to Jan Dittmer for pointing it out).  Some minor
clean-ups in the make files.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 25 insertions, 23 deletions

diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 4fa27453b1f9..27847e4ffcbf 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -21,23 +21,17 @@ export CPU
 
 # Platform configuration
 
-platform-y                                      := common
 platform-$(CONFIG_XTENSA_PLATFORM_XT2000)       := xt2000
 platform-$(CONFIG_XTENSA_PLATFORM_ISS)          := iss
 
 PLATFORM = $(platform-y)
 export PLATFORM
 
-#LDFLAGS_vmlinux                := -T$(word 1,$(LINKSCRIPT))
-AFLAGS_vmlinux.lds.o    := -Uxtensa
-CPPFLAGS                += -Iarch/xtensa -Iinclude/asm  -mlongcalls  -g
-AFLAGS                  += -Iarch/xtensa -Iinclude/asm
-CPP                     = $(CC) -E $(CFLAGS)
+CPPFLAGS        += $(if $(KBUILD_SRC),-I$(srctree)/include/asm-xtensa/)
+CPPFLAGS        += -Iinclude/asm
+CFLAGS          += -pipe -mlongcalls
 
-cflags-y        += -Iarch/xtensa -pipe -mlongcalls
-
-
-KBUILD_DEFCONFIG := common_defconfig
+KBUILD_DEFCONFIG := iss_defconfig
 
 # ramdisk/initrd support
 # You need a compressed ramdisk image, named ramdisk.gz in
@@ -62,30 +56,36 @@ endif
 LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
 
 head-y          := arch/xtensa/kernel/head.o
-core-y          += arch/xtensa/kernel/ \
-                   arch/xtensa/mm/ arch/xtensa/platform-$(PLATFORM)/
+core-y          += arch/xtensa/kernel/ arch/xtensa/mm/
+ifneq ($(PLATFORM),)
+core-y          += arch/xtensa/platform-$(PLATFORM)/
+endif
 libs-y          += arch/xtensa/lib/ $(LIBGCC)
 
-boot    := arch/xtensa/boot
+boot            := arch/xtensa/boot
+
+archinc         := include/asm-xtensa
 
 arch/xtensa/kernel/asm-offsets.s: \
-        arch/xtensa/kernel/asm-offsets.c \
-        include/asm-xtensa/.platform
+        arch/xtensa/kernel/asm-offsets.c $(archinc)/.platform
 
 include/asm-xtensa/offsets.h: arch/xtensa/kernel/asm-offsets.s
         $(call filechk,gen-asm-offsets)
 
-prepare: include/asm-xtensa/.platform include/asm-xtensa/offsets.h
+prepare: $(archinc)/.platform $(archinc)/offsets.h
 
 # Update machine cpu and platform symlinks if something which affects
 # them changed.
 
-include/asm-xtensa/.platform: $(wildcard include/config/arch/*.h)
-        @echo '  Setting up cpu ($(CPU)) and platform ($(PLATFORM)) symlinks'
-        $(Q)rm -f include/asm-xtensa/platform
-        $(Q)rm -f include/asm-xtensa/xtensa/config
-        $(Q)(cd include/asm-xtensa/; ln -sf platform-$(PLATFORM) platform)
-        $(Q)(cd include/asm-xtensa/xtensa; ln -sf config-$(CPU) config)
+$(archinc)/.platform: $(wildcard include/config/arch/*.h) include/config/MARKER
+        @echo '  SYMLINK $(archinc)/xtensa/config -> $(archinc)/xtensa/config-$(CPU)'
+        $(Q)mkdir -p $(archinc)
+        $(Q)mkdir -p $(archinc)/xtensa
+        $(Q)ln -fsn $(srctree)/$(archinc)/xtensa/config-$(CPU) $(archinc)/xtensa/config
+        @echo '  SYMLINK $(archinc)/platform -> $(archinc)/platform-$(PLATFORM)'
+        $(Q)ln -fsn $(srctree)/$(archinc)/platform-$(PLATFORM) $(archinc)/platform
+        @touch $@
+
 
 all: zImage
 
@@ -94,7 +94,9 @@ bzImage : zImage
 zImage zImage.initrd: vmlinux
         $(Q)$(MAKE) $(build)=$(boot) $@
 
-CLEAN_FILES     += arch/xtensa/vmlinux.lds include/asm-xtensa/offset.h
+CLEAN_FILES     += arch/xtensa/vmlinux.lds $(archinc)/offset.h \
+                   $(archinc)/platform $(archinc)/xtensa/config \
+                   $(archinc)/.platform
 
 define archhelp
   @echo '* zImage      - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'