2 files changed, 4 insertions, 1 deletions

diff --git a/scripts/Makefile b/scripts/Makefile
index 6f6b48f39f0a..d531a1fcef0c 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -15,6 +15,9 @@ hostprogs-$(CONFIG_IKCONFIG)     += bin2c
 
 always          := $(hostprogs-y)
 
+# The following hostprogs-y programs are only build on demand
+hostprogs-y += unifdef
+
 subdir-$(CONFIG_MODVERSIONS) += genksyms
 subdir-$(CONFIG_MODULES)     += mod
 
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 12e1daf875c8..8c02d2df4278 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -7,7 +7,7 @@
 #
 # ==========================================================================
 
-UNIFDEF := unifdef -U__KERNEL__
+UNIFDEF := scripts/unifdef -U__KERNEL__
 
 # Eliminate the contents of (and inclusions of) compiler.h
 HDRSED  := sed  -e "s/ inline / __inline__ /g" \