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kexec: fix build when BR2_STRIP_none=y

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When BR2_STRIP is set to none, a dummy 'true' app is used instead of
strip utility. However, kexec package always requires a real strip
executable as it is used to generate intermediate files during the build
process.

If 'true' is used the build system runs the following command:

true --strip-debug -o purgatory/purgatory.ro purgatory/purgatory.ro.sym

which obviously doesn't do anything useful and the build later fails
with:

bin/bin-to-hex purgatory < purgatory/purgatory.ro > kexec/purgatory.c
/bin/sh: purgatory/purgatory.ro: No such file or directory
kexec/Makefile:7: recipe for target 'kexec/purgatory.c' failed
make[2]: *** [kexec/purgatory.c] Error 1

To resolve it always specify STRIP=$(CROSS_COMPILE)strip, regardless of
buildroot configuration.

[Peter: add a comment explaining why this is done]
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Marcin Nowakowski 2016-12-02 12:51:57 +01:00 committed by Peter Korsgaard
parent 1c76560600
commit ba19cb915a
1 changed files with 3 additions and 0 deletions
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3
package/kexec/kexec.mk
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@ -10,6 +10,9 @@ KEXEC_SITE = $(BR2_KERNEL_MIRROR)/linux/utils/kernel/kexec
KEXEC_LICENSE = GPLv2
KEXEC_LICENSE_FILES = COPYING
# Makefile expects $STRIP -o to work, so needed for BR2_STRIP_none
KEXEC_MAKE_OPTS = STRIP="$(TARGET_CROSS)strip"
ifeq ($(BR2_PACKAGE_KEXEC_ZLIB),y)
KEXEC_CONF_OPTS += --with-zlib
KEXEC_DEPENDENCIES = zlib