kbuild: rebuild initramfs if content of initramfs changes

[linux-2.6.git] / Kbuild

diff --git a/Kbuild b/Kbuild
index 1880e6f760aab05f139d74400d2477e7c47681da..2d4f95e4b89f7f81da6cb94b07e8449b3689ba37 100644 (file)
--- a/Kbuild
+++ b/Kbuild
@@ -4,7 +4,7 @@
 # 1) Generate asm-offsets.h
 
 #####
-# 1) Generate asm-offsets.h 
+# 1) Generate asm-offsets.h
 #
 
 offsets-file := include/asm-$(ARCH)/asm-offsets.h
@@ -18,11 +18,10 @@ define sed-y
        "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"
 endef
 # Override default regexp for specific architectures
-sed-$(CONFIG_MIPS) := "/^@@@/s///p"
+sed-$(CONFIG_MIPS) := "/^@@@/{s/^@@@//; s/ \#.*\$$//; p;}"
 
 quiet_cmd_offsets = GEN     $@
 define cmd_offsets
-       cat $< | \
        (set -e; \
         echo "#ifndef __ASM_OFFSETS_H__"; \
         echo "#define __ASM_OFFSETS_H__"; \
@@ -33,7 +32,7 @@ define cmd_offsets
         echo " *"; \
         echo " */"; \
         echo ""; \
-        sed -ne $(sed-y); \
+        sed -ne $(sed-y) $<; \
         echo ""; \
         echo "#endif" ) > $@
 endef
@@ -43,6 +42,7 @@ arch/$(ARCH)/kernel/asm-offsets.s: arch/$(ARCH)/kernel/asm-offsets.c FORCE
        $(Q)mkdir -p $(dir $@)
        $(call if_changed_dep,cc_s_c)
 
-$(srctree)/$(offsets-file): arch/$(ARCH)/kernel/asm-offsets.s Kbuild
+$(obj)/$(offsets-file): arch/$(ARCH)/kernel/asm-offsets.s Kbuild
+       $(Q)mkdir -p $(dir $@)
        $(call cmd,offsets)