From 63266c7e6697a3ccbe2ec370e89605c8d7ec7e33 Mon Sep 17 00:00:00 2001
From: Nico Huber <nico.h@gmx.de>
Date: Thu, 20 Feb 2020 20:20:00 +0100
Subject: cpu/microcode: Fix config CPU_MICROCODE_CBFS_EXTERNAL_BINS

Make the variable override for CPU_MICROCODE_CBFS_EXTERNAL_BINS local to
the target. Otherwise, `cpu_microcode_bin +=` lines that are evaluated
after `src/cpu/Makefile.inc` still append to it.

Change-Id: If81f307afc325ff3c1e987e9483ed5e45fdc403e
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39031
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
---
 src/cpu/Makefile.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/cpu/Makefile.inc b/src/cpu/Makefile.inc
index 0289be0297..92e47aa3a2 100644
--- a/src/cpu/Makefile.inc
+++ b/src/cpu/Makefile.inc
@@ -28,7 +28,7 @@ $(objgenerated)/microcode.bin: $(call strip_quotes,$(CONFIG_CPU_MICROCODE_HEADER
 endif
 
 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_BINS),y)
-cpu_microcode_bins := $(call strip_quotes,$(CONFIG_CPU_UCODE_BINARIES))
+$(obj)/cpu_microcode_blob.bin: cpu_microcode_bins := $(call strip_quotes,$(CONFIG_CPU_UCODE_BINARIES))
 endif
 # otherwise `cpu_microcode_bins` should be filled by platform makefiles
 
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