Merge branch 'master' of git://1984.lsi.us.es/nf

[firefly-linux-kernel-4.4.55.git] / scripts / mod / Makefile

diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile
index ff954f8168c1b58f9cb00d3909dcf25f76125f03..9415b5663364c6cb5ce5b934be952de8a34ed3b0 100644 (file)
--- a/scripts/mod/Makefile
+++ b/scripts/mod/Makefile
@@ -3,9 +3,44 @@ always         := $(hostprogs-y) empty.o
 
 modpost-objs   := modpost.o file2alias.o sumversion.o
 
+devicetable-offsets-file := devicetable-offsets.h
+
+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 __DEVICEVTABLE_OFFSETS_H__"; \
+        echo "#define __DEVICEVTABLE_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
+scripts/mod/devicetable-offsets.s: scripts/mod/devicetable-offsets.c FORCE
+       $(Q)mkdir -p $(dir $@)
+       $(call if_changed_dep,cc_s_c)
+
+$(obj)/$(devicetable-offsets-file): scripts/mod/devicetable-offsets.s
+       $(call cmd,offsets)
+
 # dependencies on generated files need to be listed explicitly
 
 $(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h
+$(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file)
 
 quiet_cmd_elfconfig = MKELF   $@
       cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@