randstruct: Move seed generation into scripts/basic/

[sfrench/cifs-2.6.git] / scripts / basic / Makefile

diff --git a/scripts/basic/Makefile b/scripts/basic/Makefile
index eeb6a38c5551516bc3b1539e5f236ff952fea394..dd289a6725aca60c596ae4c7ec831775b98a495a 100644 (file)
--- a/scripts/basic/Makefile
+++ b/scripts/basic/Makefile
@@ -3,3 +3,14 @@
 # fixdep: used to generate dependency information during build process
 
 hostprogs-always-y     += fixdep
+
+# randstruct: the seed is needed before building the gcc-plugin or
+# before running a Clang kernel build.
+gen-randstruct-seed    := $(srctree)/scripts/gen-randstruct-seed.sh
+quiet_cmd_create_randstruct_seed = GENSEED $@
+cmd_create_randstruct_seed = \
+       $(CONFIG_SHELL) $(gen-randstruct-seed) \
+               $@ $(objtree)/include/generated/randstruct_hash.h
+$(obj)/randstruct.seed: $(gen-randstruct-seed) FORCE
+       $(call if_changed,create_randstruct_seed)
+always-$(CONFIG_RANDSTRUCT) += randstruct.seed