# scripts contains sources for various helper programs used throughout
# the kernel for the build process.
# ---------------------------------------------------------------------------
-# docproc: Preprocess .tmpl file in order to generate .sgml docs
+# kallsyms: Find all symbols in vmlinux
+# pnmttologo: Convert pnm files to logo files
+# conmakehash: Create chartable
# conmakehash: Create arrays for initializing the kernel console tables
-host-progs := conmakehash kallsyms pnmtologo bin2c
-always := $(host-progs)
+hostprogs-$(CONFIG_KALLSYMS) += kallsyms
+hostprogs-$(CONFIG_LOGO) += pnmtologo
+hostprogs-$(CONFIG_VT) += conmakehash
+hostprogs-$(CONFIG_PROM_CONSOLE) += conmakehash
+hostprogs-$(CONFIG_IKCONFIG) += bin2c
-subdir-$(CONFIG_MODVERSIONS) += genksyms
-subdir-y += mod
+always := $(hostprogs-y) $(hostprogs-m)
+
+# The following hostprogs-y programs are only build on demand
+hostprogs-y += unifdef
+
+subdir-$(CONFIG_MODVERSIONS) += genksyms
+subdir-y += mod
# Let clean descend into subdirs
-subdir- += basic lxdialog kconfig package
+subdir- += basic kconfig package