kernel: predefine KBUILD_BUILD_USER and KBUILD_BUILD_HOST
By exporting KBUILD_BUILD_USER with a pre-defined value we improve the reproducibility of the kernel and remove the requirement for whoami in the HOSTTOOLS. KBUILD_BUILD_HOST also helps improve the reproducibility of the kernel. For more kernel reproducibility options see: https://lwn.net/Articles/437864/ (From OE-Core rev: 357801a491efc067c6d4bd9a2bfa6fff460357aa) Signed-off-by: Joshua Lock <joshua.g.lock@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -130,6 +130,8 @@ PACKAGES_DYNAMIC += "^kernel-firmware-.*"
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export OS = "${TARGET_OS}"
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export CROSS_COMPILE = "${TARGET_PREFIX}"
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export KBUILD_BUILD_USER = "oe-user"
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export KBUILD_BUILD_HOST = "oe-host"
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KERNEL_PRIORITY ?= "${@int(d.getVar('PV').split('-')[0].split('+')[0].split('.')[0]) * 10000 + \
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int(d.getVar('PV').split('-')[0].split('+')[0].split('.')[1]) * 100 + \
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