kbuild: merge bounds.h and asm-offsets.h rules

The rules "cmd_bounds" and "cmd_offsets" are almost the same.
(The difference is only the include guards.)  They can be merged.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>

1 files changed, 21 insertions, 39 deletions

diff --git a/Kbuild b/Kbuild
index b8b708ad6dc3..3ec73e9c6a68 100644
--- a/Kbuild
+++ b/Kbuild
@@ -5,19 +5,19 @@
 # 2) Generate asm-offsets.h (may need bounds.h)
 # 3) Check for missing system calls
 
-#####
-# 1) Generate bounds.h
-
-bounds-file := include/generated/bounds.h
-
-always  := $(bounds-file)
-targets := $(bounds-file) kernel/bounds.s
+# Default sed regexp - multiline due to syntax constraints
+define sed-y
+        "/^->/{s:->#\(.*\):/* \1 */:; \
+        s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
+        s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
+        s:->::; p;}"
+endef
 
-quiet_cmd_bounds = GEN     $@
-define cmd_bounds
+quiet_cmd_offsets = GEN     $@
+define cmd_offsets
         (set -e; \
-         echo "#ifndef __LINUX_BOUNDS_H__"; \
-         echo "#define __LINUX_BOUNDS_H__"; \
+         echo "#ifndef $2"; \
+         echo "#define $2"; \
          echo "/*"; \
          echo " * DO NOT MODIFY."; \
          echo " *"; \
@@ -30,6 +30,14 @@ define cmd_bounds
          echo "#endif" ) > $@
 endef
 
+#####
+# 1) Generate bounds.h
+
+bounds-file := include/generated/bounds.h
+
+always  := $(bounds-file)
+targets := $(bounds-file) kernel/bounds.s
+
 # We use internal kbuild rules to avoid the "is up to date" message from make
 kernel/bounds.s: kernel/bounds.c FORCE
         $(Q)mkdir -p $(dir $@)
@@ -37,7 +45,7 @@ kernel/bounds.s: kernel/bounds.c FORCE
 
 $(obj)/$(bounds-file): kernel/bounds.s Kbuild
         $(Q)mkdir -p $(dir $@)
-        $(call cmd,bounds)
+        $(call cmd,offsets,__LINUX_BOUNDS_H__)
 
 #####
 # 2) Generate asm-offsets.h
@@ -49,32 +57,6 @@ always  += $(offsets-file)
 targets += $(offsets-file)
 targets += arch/$(SRCARCH)/kernel/asm-offsets.s
 
-
-# Default sed regexp - multiline due to syntax constraints
-define sed-y
-        "/^->/{s:->#\(.*\):/* \1 */:; \
-        s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
-        s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
-        s:->::; p;}"
-endef
-
-quiet_cmd_offsets = GEN     $@
-define cmd_offsets
-        (set -e; \
-         echo "#ifndef __ASM_OFFSETS_H__"; \
-         echo "#define __ASM_OFFSETS_H__"; \
-         echo "/*"; \
-         echo " * DO NOT MODIFY."; \
-         echo " *"; \
-         echo " * This file was generated by Kbuild"; \
-         echo " *"; \
-         echo " */"; \
-         echo ""; \
-         sed -ne $(sed-y) $<; \
-         echo ""; \
-         echo "#endif" ) > $@
-endef
-
 # We use internal kbuild rules to avoid the "is up to date" message from make
 arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
                                       $(obj)/$(bounds-file) FORCE
@@ -82,7 +64,7 @@ arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
         $(call if_changed_dep,cc_s_c)
 
 $(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s Kbuild
-        $(call cmd,offsets)
+        $(call cmd,offsets,__ASM_OFFSETS_H__)
 
 #####
 # 3) Check for missing system calls