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authorMichal Marek <mmarek@suse.com>2015-10-27 14:02:24 +0100
committerMichal Marek <mmarek@suse.com>2015-11-25 11:23:25 +0100
commitcf4f21938e13ea1533ebdcb21c46f1d998a44ee8 (patch)
treeb26af8415bc9f916124e27b4bbfd3209270e40f6 /scripts/Makefile.lib
parent0046a46a8f93f5b99b499118779521ba3b017d69 (diff)
downloadlinux-next-cf4f21938e13ea1533ebdcb21c46f1d998a44ee8.tar.gz
kbuild: Allow to specify composite modules with modname-m
This allows to write drm-$(CONFIG_AGP) += drm_agpsupport.o without having to handle CONFIG_AGP=y vs. CONFIG_AGP=m. Only support this syntax for modules, since built-in code depending on something modular cannot work and init/Makefile actually relies on the current semantics. There are a few drivers which adapted to the current semantics out of necessity; these are fixed to also work when the respective subsystem is modular. Acked-by: Peter Chen <peter.chen@freescale.com> [chipidea] Signed-off-by: Michal Marek <mmarek@suse.com>
Diffstat (limited to 'scripts/Makefile.lib')
-rw-r--r--scripts/Makefile.lib4
1 files changed, 2 insertions, 2 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 79e86613712f..e18957b7a830 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -48,7 +48,7 @@ subdir-ym := $(sort $(subdir-y) $(subdir-m))
# if $(foo-objs) exists, foo.o is a composite object
multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
-multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
+multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))), $(m))))
multi-used := $(multi-used-y) $(multi-used-m)
single-used-m := $(sort $(filter-out $(multi-used-m),$(obj-m)))
@@ -67,7 +67,7 @@ obj-dirs := $(dir $(multi-objs) $(obj-y))
# Replace multi-part objects by their individual parts, look at local dir only
real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(extra-y)
-real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m)))
+real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m)))
# Add subdir path