# git rev-parse -q --verify a85b6b4f641697f54952f52fec8af1dac0826ecc^{commit}
a85b6b4f641697f54952f52fec8af1dac0826ecc
already have revision, skipping fetch
# git checkout -q -f -B kisskb a85b6b4f641697f54952f52fec8af1dac0826ecc
# git clean -qxdf
# < git log -1
# commit a85b6b4f641697f54952f52fec8af1dac0826ecc
# Author: Stephen Rothwell <sfr@canb.auug.org.au>
# Date:   Mon Jan 7 15:01:12 2019 +1100
# 
#     Add linux-next specific files for 20190107
#     
#     Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 a85b6b4f641697f54952f52fec8af1dac0826ecc
# < make -s -j 48 ARCH=x86 O=/kisskb/build/linux-next_x86_64_defconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  x86_64_defconfig
# make -s -j 48 ARCH=x86 O=/kisskb/build/linux-next_x86_64_defconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
You are building kernel with non-retpoline compiler.
Please update your compiler.
make[1]: *** [arch/x86/Makefile:300: checkbin] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:152: sub-make] Error 2
Command 'make -s -j 48 ARCH=x86 O=/kisskb/build/linux-next_x86_64_defconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linux-next_x86_64_defconfig_x86_64
# Build took: 0:00:04.274035