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boot/arm-trusted-firmware: override BL31 environment variable error

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When building the arm-trusted-firmware, if the host environment has a value
configured in the BL31 variable such as the following:

export BL31=/tmp/bl31.elf

This will cause the build of the bl31.elf to be skipped leading to the
following build error:

make[1]: Nothing to be done for 'bl31'.
And then:
readelf: Error: './output/build/arm-trusted-firmware-custom/build/versal/release/bl31/bl31.elf': No such file

To fix this, clear the BL31 variable in the MAKE_OPTS, so that building the
arm-trusted-firmware will build regardless of the host environment.

Signed-off-by: Neal Frager <neal.frager@amd.com>
Tested-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Neal Frager
2025-09-05 13:26:03 +01:00
committed by Thomas Petazzoni
parent fbb5c74058
commit 6019df8f99
1 changed files with 2 additions and 0 deletions
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2
boot/arm-trusted-firmware/arm-trusted-firmware.mk
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@@ -162,6 +162,8 @@ endif
ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31),y)
ARM_TRUSTED_FIRMWARE_MAKE_TARGETS += bl31
# Avoid BL31 environment variable from polluting the build
ARM_TRUSTED_FIRMWARE_MAKE_OPTS += BL31=
endif
ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31_UBOOT),y)