From d8e61bbf13d0cf38d477255cfd5dc71c5d51d575 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sun, 21 Aug 2016 22:00:20 +0200 Subject: [PATCH] build system: different fix for include/applet_tables.h/include/NUM_APPLETS.h Signed-off-by: Denys Vlasenko --- applets/Kbuild.src | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/applets/Kbuild.src b/applets/Kbuild.src index 5cc1827ea..3aedbbffe 100644 --- a/applets/Kbuild.src +++ b/applets/Kbuild.src @@ -29,7 +29,7 @@ applets/applets.o: include/usage_compressed.h include/applet_tables.h applets/applet_tables: .config include/applets.h applets/usage: .config include/applets.h -applets/usage_pod: .config include/applets.h include/applet_tables.h include/NUM_APPLETS.h +applets/usage_pod: .config include/applets.h include/applet_tables.h quiet_cmd_gen_usage_compressed = GEN include/usage_compressed.h cmd_gen_usage_compressed = $(srctree_slash)applets/usage_compressed include/usage_compressed.h applets @@ -37,8 +37,21 @@ quiet_cmd_gen_usage_compressed = GEN include/usage_compressed.h 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 +quiet_cmd_gen_applet_tables = GEN include/applet_tables.h include/NUM_APPLETS.h cmd_gen_applet_tables = applets/applet_tables include/applet_tables.h include/NUM_APPLETS.h -include/applet_tables.h include/NUM_APPLETS.h: applets/applet_tables +include/NUM_APPLETS.h: applets/applet_tables + $(call cmd,gen_applet_tables) + +# In fact, include/applet_tables.h depends only on applets/applet_tables, +# and is generated by it. But specifying only it can run +# applets/applet_tables twice, possibly in parallel. +# We say that it also needs NUM_APPLETS.h +# +# Unfortunately, we need to list the same command, +# and it can be executed twice (sequentially). +# The alternative is to not list any command, +# and then if include/applet_tables.h is deleted, it won't be rebuilt. +# +include/applet_tables.h: include/NUM_APPLETS.h applets/applet_tables $(call cmd,gen_applet_tables) -- 2.25.1