66cb86e48
Denis Vlasenko
2009-04-17
Subject
build system: remove some unnecessary rebuilds
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applets/Kbuild+7 -4
| @@ -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 | |