From 66cb86e48962ed96184ef3d1957a8a18c668e47a Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Fri, 17 Apr 2009 21:56:02 +0000 Subject: build system: remove some unnecessary rebuilds --- applets/Kbuild | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/applets/Kbuild b/applets/Kbuild index 2969e7922..8aafe78fb 100644 --- a/applets/Kbuild +++ b/applets/Kbuild @@ -13,18 +13,21 @@ hostprogs-y += usage applet_tables always:= $(hostprogs-y) # Generated files need additional love +# NB: __srctree is either empty or "srctree/" +# using it instead of srctree decreases amount of rebuilds +# if tree is merely renamed/copied -HOSTCFLAGS_usage.o = -I$(srctree)/include +HOSTCFLAGS_usage.o = -I$(__srctree)include applets/applets.o: include/usage_compressed.h include/applet_tables.h -applets/usage: .config $(srctree)/applets/usage_compressed +applets/usage: .config $(__srctree)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)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)applets/usage_compressed $(call cmd,gen_usage_compressed) quiet_cmd_gen_applet_tables = GEN include/applet_tables.h -- cgit v1.2.3