# git rev-parse -q --verify e00231457a018933f396bd8683dc5127cdc7664c^{commit}
e00231457a018933f396bd8683dc5127cdc7664c
already have revision, skipping fetch
# git checkout -q -f -B kisskb e00231457a018933f396bd8683dc5127cdc7664c
# git clean -qxdf
# < git log -1
# commit e00231457a018933f396bd8683dc5127cdc7664c
# Author: Michael Ellerman <mpe@ellerman.id.au>
# Date:   Thu Jun 15 08:38:47 2023 +1000
# 
#     Test: break the build
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 e00231457a018933f396bd8683dc5127cdc7664c
# make -s -j 160 ARCH=powerpc O=/kisskb/build/mpe-quick_allnoconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  allnoconfig
# < make -s -j 160 ARCH=powerpc O=/kisskb/build/mpe-quick_allnoconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 160 ARCH=powerpc O=/kisskb/build/mpe-quick_allnoconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 160 ARCH=powerpc O=/kisskb/build/mpe-quick_allnoconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
arch/powerpc/kernel/process.o: In function `__switch_to':
process.c:(.text+0x6f0): undefined reference to `_switch'
make[2]: *** [/kisskb/src/scripts/Makefile.vmlinux:35: vmlinux] Error 1
make[1]: *** [/kisskb/src/Makefile:1250: vmlinux] Error 2
make: *** [Makefile:226: __sub-make] Error 2
Command 'make -s -j 160 ARCH=powerpc O=/kisskb/build/mpe-quick_allnoconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2.
# rm -rf /kisskb/build/mpe-quick_allnoconfig_powerpc-gcc5
# Build took: 0:00:38.549593