ARM: fix O= building with CONFIG_FPE_FASTFPE
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Message ID 20190711030756.4612-1-yamada.masahiro@socionext.com
State Mainlined
Commit 3c86889b0584be3e0243c22bf0901f12dfebac9a
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Series
  • ARM: fix O= building with CONFIG_FPE_FASTFPE
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Commit Message

Masahiro Yamada July 11, 2019, 3:07 a.m. UTC
To use Fastfpe, a user is supposed to enable CONFIG_FPE_FASTFPE
and put downstream source files into arch/arm/fastfpe/.

It is not working for O= build because $(wildcard arch/arm/fastfpe)
checks if it exists in $(objtree), not in $(srctree).

Add the $(srctree)/ prefix to fix it.

While I was here, I slightly refactored the code.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

KernelVersion: 5.2

 arch/arm/Makefile | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

Patch
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diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index f863c6935d0e..792f7fa16a24 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -271,14 +271,9 @@  endif
 
 export	TEXT_OFFSET GZFLAGS MMUEXT
 
-# Do we have FASTFPE?
-FASTFPE		:=arch/arm/fastfpe
-ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
-FASTFPE_OBJ	:=$(FASTFPE)/
-endif
-
 core-$(CONFIG_FPE_NWFPE)	+= arch/arm/nwfpe/
-core-$(CONFIG_FPE_FASTFPE)	+= $(FASTFPE_OBJ)
+# Put arch/arm/fastfpe/ to use this.
+core-$(CONFIG_FPE_FASTFPE)	+= $(patsubst $(srctree)/%,%,$(wildcard $(srctree)/arch/arm/fastfpe/))
 core-$(CONFIG_VFP)		+= arch/arm/vfp/
 core-$(CONFIG_XEN)		+= arch/arm/xen/
 core-$(CONFIG_KVM_ARM_HOST) 	+= arch/arm/kvm/