diff options
| -rw-r--r-- | applets/Kbuild | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/applets/Kbuild b/applets/Kbuild index 8aafe78fb..6c1c8a334 100644 --- a/applets/Kbuild +++ b/applets/Kbuild @@ -13,21 +13,27 @@ hostprogs-y += usage applet_tables always:= $(hostprogs-y) # Generated files need additional love -# NB: __srctree is either empty or "srctree/" -# using it instead of srctree decreases amount of rebuilds + +# This trick decreases amount of rebuilds # if tree is merely renamed/copied +ifeq ($(src),$(obj)) +srctree_slash = +else +srctree_slash = $(srctree)/ +endif + -HOSTCFLAGS_usage.o = -I$(__srctree)include +HOSTCFLAGS_usage.o = -I$(srctree_slash)include applets/applets.o: include/usage_compressed.h include/applet_tables.h -applets/usage: .config $(__srctree)applets/usage_compressed +applets/usage: .config $(srctree_slash)applets/usage_compressed applets/applet_tables: .config quiet_cmd_gen_usage_compressed = GEN include/usage_compressed.h - cmd_gen_usage_compressed = $(__srctree)applets/usage_compressed include/usage_compressed.h applets + cmd_gen_usage_compressed = $(srctree_slash)applets/usage_compressed include/usage_compressed.h applets -include/usage_compressed.h: applets/usage $(__srctree)applets/usage_compressed +include/usage_compressed.h: applets/usage $(srctree_slash)applets/usage_compressed $(call cmd,gen_usage_compressed) quiet_cmd_gen_applet_tables = GEN include/applet_tables.h |