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From 27a2cd6a1980adf3002412678c8fdec6528dc47d Mon Sep 17 00:00:00 2001
From: Trent Piepho <tpiepho@impinj.com>
Date: Fri, 6 Apr 2018 17:11:27 -0700
Subject: [PATCH] imx: Create distinct pre-processed mkimage config files

Each imx image is created by a separate sub-make and during this process
the mkimage config file is run though cpp.

The cpp output is to the same file no matter what imx image is being
created.

This means if two imx images are generated in parallel they will attempt
to independently produce the same pre-processed mkimage config file at
the same time.

Avoid the problem by making the pre-processed config file name unique
based on the imx image it will be used in.  This way each image will
create a unique config file and they won't clobber each other when run
in parallel.

This should fixed the build bug referenced in b5b0e4e3 ("imximage:
Remove failure when no IVT offset is found").

Cc: Breno Lima <breno.lima@nxp.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Trent Piepho <tpiepho@impinj.com>
Tested-by: Fabio Estevam <fabio.estevam@nxp.com>
[fabio: Adapted to imx_v2017.03_4.9.11_1.0.0_ga]
Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
 arch/arm/imx-common/Makefile | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index d862258..f1bae8d 100644
--- a/arch/arm/imx-common/Makefile
+++ b/arch/arm/imx-common/Makefile
@@ -69,9 +69,11 @@ endif
 quiet_cmd_cpp_cfg = CFGS    $@
       cmd_cpp_cfg = $(CPP) $(cpp_flags) -x c -o $@ $<
 
-IMX_CONFIG = $(CONFIG_IMX_CONFIG:"%"=%).cfgtmp
+# mkimage source config file
+IMX_CONFIG = $(CONFIG_IMX_CONFIG:"%"=%)
 
-$(IMX_CONFIG): %.cfgtmp: % FORCE
+# How to create a cpp processed config file, they all use the same source
+%.cfgout: $(IMX_CONFIG) FORCE
 	$(Q)mkdir -p $(dir $@)
 	$(call if_changed_dep,cpp_cfg)
 
@@ -79,7 +81,7 @@ MKIMAGEFLAGS_u-boot.imx = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) -T imxim
 	-e $(CONFIG_SYS_TEXT_BASE)
 u-boot.imx: MKIMAGEOUTPUT = u-boot.imx.log
 
-u-boot.imx: u-boot.bin $(IMX_CONFIG) $(PLUGIN).bin FORCE
+u-boot.imx: u-boot.bin u-boot.cfgout $(PLUGIN).bin FORCE
 	$(call if_changed,mkimage)
 
 ifeq ($(CONFIG_OF_SEPARATE),y)
@@ -87,16 +89,15 @@ MKIMAGEFLAGS_u-boot-dtb.imx = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) -T i
 	-e $(CONFIG_SYS_TEXT_BASE)
 u-boot-dtb.imx: MKIMAGEOUTPUT = u-boot-dtb.imx.log
 
-u-boot-dtb.imx: u-boot-dtb.bin $(IMX_CONFIG) $(PLUGIN).bin FORCE
+u-boot-dtb.imx: u-boot-dtb.bin u-boot-dtb.cfgout $(PLUGIN).bin FORCE
 	$(call if_changed,mkimage)
 endif
 
 MKIMAGEFLAGS_SPL = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) -T imximage \
 	-e $(CONFIG_SPL_TEXT_BASE)
-
 SPL: MKIMAGEOUTPUT = SPL.log
 
-SPL: spl/u-boot-spl.bin $(IMX_CONFIG) $(PLUGIN).bin FORCE
+SPL: spl/u-boot-spl.bin spl/u-boot-spl.cfgout $(PLUGIN).bin FORCE
 	$(call if_changed,mkimage)
 
 MKIMAGEFLAGS_u-boot.uim = -A arm -O U-Boot -a $(CONFIG_SYS_TEXT_BASE) \
@@ -124,4 +125,4 @@ cmd_u-boot-nand-spl_imx = (printf '\000\000\000\000\106\103\102\040\001' && \
 spl/u-boot-nand-spl.imx: SPL FORCE
 	$(call if_changed,u-boot-nand-spl_imx)
 
-targets += $(addprefix ../../../,$(IMX_CONFIG) SPL u-boot.uim spl/u-boot-nand-spl.imx)
+targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u-boot-dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
-- 
2.7.4