X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Kbuild;h=56b8edf6a3bc11461fe5512d2663c42e1f43a5d3;hb=1bcabbdb0bdfe8b15b05150a7857646430aaa7f8;hp=197ece85034ba8ad983af531597b6b40610aa2c6;hpb=86feeaa8120bb1b0ab21efed49e9754039395ef1;p=linux-2.6

diff --git a/Kbuild b/Kbuild
index 197ece8503..56b8edf6a3 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2,9 +2,10 @@
 # Kbuild for top-level directory of the kernel
 # This file takes care of the following:
 # 1) Generate asm-offsets.h
+# 2) Check for missing system calls
 
 #####
-# 1) Generate asm-offsets.h 
+# 1) Generate asm-offsets.h
 #
 
 offsets-file := include/asm-$(ARCH)/asm-offsets.h
@@ -12,21 +13,28 @@ offsets-file := include/asm-$(ARCH)/asm-offsets.h
 always  := $(offsets-file)
 targets := $(offsets-file)
 targets += arch/$(ARCH)/kernel/asm-offsets.s
+clean-files := $(addprefix $(objtree)/,$(targets))
+
+# Default sed regexp - multiline due to syntax constraints
+define sed-y
+	"/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"
+endef
+# Override default regexp for specific architectures
+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__"; \
 	 echo "/*"; \
 	 echo " * DO NOT MODIFY."; \
 	 echo " *"; \
-	 echo " * This file was generated by $(srctree)/Kbuild"; \
+	 echo " * This file was generated by Kbuild"; \
 	 echo " *"; \
 	 echo " */"; \
 	 echo ""; \
-	 sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \
+	 sed -ne $(sed-y) $<; \
 	 echo ""; \
 	 echo "#endif" ) > $@
 endef
@@ -36,6 +44,17 @@ arch/$(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)
 
+#####
+# 2) Check for missing system calls
+#
+
+quiet_cmd_syscalls = CALL    $<
+      cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags)
+
+PHONY += missing-syscalls
+missing-syscalls: scripts/checksyscalls.sh FORCE
+	$(call cmd,syscalls)