tomoyo: Use bin2c to generate builtin-policy.h

Simplify the Makefile by using a readily available tool instead of a
custom sed script. The downside is that builtin-policy.h becomes
unreadable for humans, but it is only a generated file.

Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Michal Marek <mmarek@suse.cz>

security/tomoyo/Kconfig

@@ -6,6 +6,7 @@ config SECURITY_TOMOYO
 	select SECURITY_PATH
 	select SECURITY_NETWORK
 	select SRCU
+	select BUILD_BIN2C
 	default n
 	help
 	  This selects TOMOYO Linux, pathname-based access control.

security/tomoyo/Makefile

@@ -29,20 +29,20 @@ $(obj)/policy/stat.conf:
 $(obj)/builtin-policy.h: $(obj)/policy/profile.conf $(obj)/policy/exception_policy.conf $(obj)/policy/domain_policy.conf $(obj)/policy/manager.conf $(obj)/policy/stat.conf
 	@echo Generating built-in policy for TOMOYO 2.5.x.
 	@echo "static char tomoyo_builtin_profile[] __initdata =" > $@.tmp
-	@sed -e 's/\\/\\\\/g' -e 's/\"/\\"/g' -e 's/\(.*\)/"\1\\n"/' < $(obj)/policy/profile.conf >> $@.tmp
-	@echo "\"\";" >> $@.tmp
+	@$(objtree)/scripts/basic/bin2c < $(obj)/policy/profile.conf >> $@.tmp
+	@echo ";" >> $@.tmp
 	@echo "static char tomoyo_builtin_exception_policy[] __initdata =" >> $@.tmp
-	@sed -e 's/\\/\\\\/g' -e 's/\"/\\"/g' -e 's/\(.*\)/"\1\\n"/' < $(obj)/policy/exception_policy.conf >> $@.tmp
-	@echo "\"\";" >> $@.tmp
+	@$(objtree)/scripts/basic/bin2c < $(obj)/policy/exception_policy.conf >> $@.tmp
+	@echo ";" >> $@.tmp
 	@echo "static char tomoyo_builtin_domain_policy[] __initdata =" >> $@.tmp
-	@sed -e 's/\\/\\\\/g' -e 's/\"/\\"/g' -e 's/\(.*\)/"\1\\n"/' < $(obj)/policy/domain_policy.conf >> $@.tmp
-	@echo "\"\";" >> $@.tmp
+	@$(objtree)/scripts/basic/bin2c < $(obj)/policy/domain_policy.conf >> $@.tmp
+	@echo ";" >> $@.tmp
 	@echo "static char tomoyo_builtin_manager[] __initdata =" >> $@.tmp
-	@sed -e 's/\\/\\\\/g' -e 's/\"/\\"/g' -e 's/\(.*\)/"\1\\n"/' < $(obj)/policy/manager.conf >> $@.tmp
-	@echo "\"\";" >> $@.tmp
+	@$(objtree)/scripts/basic/bin2c < $(obj)/policy/manager.conf >> $@.tmp
+	@echo ";" >> $@.tmp
 	@echo "static char tomoyo_builtin_stat[] __initdata =" >> $@.tmp
-	@sed -e 's/\\/\\\\/g' -e 's/\"/\\"/g' -e 's/\(.*\)/"\1\\n"/' < $(obj)/policy/stat.conf >> $@.tmp
-	@echo "\"\";" >> $@.tmp
+	@$(objtree)/scripts/basic/bin2c < $(obj)/policy/stat.conf >> $@.tmp
+	@echo ";" >> $@.tmp
 	@mv $@.tmp $@
 
 $(obj)/common.o: $(obj)/builtin-policy.h