# git rev-parse -q --verify 1e55a97544c133304c8ae9d56eb8da183797f646^{commit}
1e55a97544c133304c8ae9d56eb8da183797f646
already have revision, skipping fetch
# git checkout -q -f -B kisskb 1e55a97544c133304c8ae9d56eb8da183797f646
# git clean -qxdf
# git log -1
commit 1e55a97544c133304c8ae9d56eb8da183797f646
Author: Sam bobroff <sam.bobroff@au1.ibm.com>
Date:   Mon Feb 22 16:13:08 2016 +1100

    powerpc: Detect broken or mismatched toolchains
    
    It can currently be difficult to diagnose a build that fails due to
    the compiler, linker or other parts of the toolchain being unable to
    build binaries of the type required by the kernel config. For example
    using a little endian toolchain to build a big endian kernel may
    produce:
    
    as: unrecognized option '-maltivec'
    
    This patch adds a basic compile test and error message to
    arch/powerpc/Makefile so that the above error becomes:
    
    *** Sorry, your toolchain seems to be broken or incorrect. ***
    Make sure it supports your kernel configuration (ppc64).
    
    Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
    Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 1e55a97544c133304c8ae9d56eb8da183797f646
# < make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/mpe_powerpc-allmodconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  allmodconfig
warning: (MPC836x_RDK && MTD_NAND_FSL_ELBC && MTD_NAND_FSL_UPM) selects FSL_LBC which has unmet direct dependencies (FSL_SOC)
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_MODULE_SIG=n
# Added to kconfig CONFIG_SAMPLES=n
# yes \n | make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/mpe_powerpc-allmodconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  oldconfig
yes: standard output: Broken pipe
yes: write error
# make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/mpe_powerpc-allmodconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
make[1]: Entering directory '/home/kisskb/slave/build/mpe_powerpc-allmodconfig_powerpc'
  GEN     ./Makefile
scripts/kconfig/conf  --silentoldconfig Kconfig
warning: (MPC836x_RDK && MTD_NAND_FSL_ELBC && MTD_NAND_FSL_UPM) selects FSL_LBC which has unmet direct dependencies (FSL_SOC)
warning: (MPC836x_RDK && MTD_NAND_FSL_ELBC && MTD_NAND_FSL_UPM) selects FSL_LBC which has unmet direct dependencies (FSL_SOC)
*** Sorry, your toolchain seems to be broken or incorrect. ***
Make sure it supports your kernel configuration (ppc64).
arch/powerpc/Makefile:358: recipe for target 'checkbin' failed
make[1]: *** [checkbin] Error 1
make[1]: Leaving directory '/home/kisskb/slave/build/mpe_powerpc-allmodconfig_powerpc'
Makefile:146: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
Command 'make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/mpe_powerpc-allmodconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  ' returned non-zero exit status 2
# rm -rf /home/kisskb/slave/build/mpe_powerpc-allmodconfig_powerpc
# Build took: 0:00:04.343873