[yocto] Failed to cross compile kernel with Yocto toolchain

Daniel. danielhilst at gmail.com
Wed Jun 29 05:13:31 PDT 2016


Is /usr/lib64/gcc a file or a link? Is it a valid link?

2016-06-29 5:52 GMT-03:00 Zhenhua Luo <zhenhua.luo at nxp.com>:
> The /usr/lib64/ccache is added in PATH by /etc/profile.d/ccache.sh when
> ccache is installed on Fedora host, the issue disappears if one of the
> following changes is done.
>
> 1.       Remove /usr/lib64/ccache from PATH
>
> 2.       Move /usr/lib64/ccache after /usr/bin in PATH
>
> 3.       Set CCACHE_PATH equals to PATH
>
> 4.       Unset CCACHE_PATH
>
>
>
> Another observation, before sourcing environment-setup-<core>-poky-linux,
> gcc can be found even if /usr/lib64/ccache is in prepend to PATH, but after
> sourcing the environment-setup-<core>-poky-linux script, the gcc can’t be
> found, this should be a bug of the environment-setup-<core>-poky-linux
> script. Should I open a Bugzilla ticket to track it?
>
>
>
> $ echo $PATH
>
> /usr/lib64/qt-3.3/bin:/usr/lib64/ccache:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/bjsimics/.local/bin:/home/bjsimics/bin
>
> which gcc
>
> /usr/lib64/ccache/gcc
>
> $ gcc -v
>
> Using built-in specs.
>
> COLLECT_GCC=/usr/bin/gcc
>
> COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/5.3.1/lto-wrapper
>
> Target: x86_64-redhat-linux
>
> Configured with: ../configure --enable-bootstrap
> --enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --prefix=/usr
> --mandir=/usr/share/man --infodir=/usr/share/info
> --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared
> --enable-threads=posix --enable-checking=release --enable-multilib
> --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions
> --enable-gnu-unique-object --enable-linker-build-id
> --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array
> --disable-libgcj --with-default-libstdcxx-abi=gcc4-compatible --with-isl
> --enable-libmpx --enable-gnu-indirect-function --with-tune=generic
> --with-arch_32=i686 --build=x86_64-redhat-linux
>
> Thread model: posix
>
> gcc version 5.3.1 20160406 (Red Hat 5.3.1-6) (GCC)
>
> $
>
> $ source /opt/poky/2.1+snapshot/environment-setup-ppce500mc-poky-linux
>
> $
>
> $ echo $PATH
>
> /opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/sbin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/bin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/sbin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/../x86_64-pokysdk-linux/bin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux-uclibc:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux-musl:/usr/lib64/qt-3.3/bin:/usr/lib64/ccache:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/bjsimics/.local/bin:/home/bjsimics/bin
>
> $
>
> $ which gcc
>
> /usr/lib64/ccache/gcc
>
> $ gcc -v
>
> ccache: error: Could not find compiler "gcc" in PATH
>
> $
>
>
>
>
>
> Best Regards,
>
>
>
> Zhenhua
>
>
>
> From: Khem Raj [mailto:raj.khem at gmail.com]
> Sent: Tuesday, June 28, 2016 10:48 PM
> To: Zhenhua Luo <zhenhua.luo at nxp.com>
> Cc: yocto at yoctoproject.org
> Subject: RE: [yocto] Failed to cross compile kernel with Yocto toolchain
>
>
>
> /usr/lib64/ccache is unusual why do you have it in path and if you really
> need it add it after all other paths. Check your env first
>
>
>
> On Jun 27, 2016 10:56 PM, "Zhenhua Luo" <zhenhua.luo at nxp.com> wrote:
>
> Hello Khem,
>
>
>> -----Original Message-----
>> From: Khem Raj [mailto:raj.khem at gmail.com]
>> Sent: Tuesday, June 28, 2016 12:36 AM
>> To: Zhenhua Luo <zhenhua.luo at nxp.com>
>> Cc: yocto at yoctoproject.org
>> Subject: Re: [yocto] Failed to cross compile kernel with Yocto toolchain
>>
>> On Mon, Jun 27, 2016 at 1:16 AM, Zhenhua Luo <zhenhua.luo at nxp.com>
>> wrote:
>> > Hello all,
>> >
>> >
>> >
>> > I generate the Yocto toolchain by “bitbake meta-toolchain”, and use
>> > this toolchain to cross-compile kernel, I met the following error. Is
>> > this a bug or I missed something? My host Linux is Fedora 22.
>>
>> its better to start using bitbake -cpopulate_sdk <image name> to generate
>> SDKs.
>>
>>
>> >
>> >
>> >
>> > $ source /opt/poky/2.1+snapshot/environment-setup-ppce500mc-poky-
>> linux
>> >
>> > $ cd linux/
>> >
>> > $ make corenet32_smp_defconfig
>> >
>> >   HOSTCC  scripts/kconfig/conf.o
>> >
>> > ccache: error: Could not find compiler "gcc" in PATH
>>
>> did you see if gcc is in your path after sourcing SDK env script?
>
> [Luo Zhenhua-B19537] gcc can't be found after sourcing the SDK env script.
> but the /usr/bin is in the PATH env variable.
> $ source /opt/poky/2.1+snapshot/environment-setup-ppce500mc-poky-linux
> $ echo $PATH
> /opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/sbin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/bin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/sbin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/../x86_64-pokysdk-linux/bin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux-uclibc:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux-musl:/usr/lib64/qt-3.3/bin:/usr/lib64/ccache:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/bjsimics/.local/bin:/home/bjsimics/bin
> $ echo $CCACHE_PATH
> /opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/../x86_64-pokysdk-linux/bin:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux-uclibc:/opt/poky/2.1+snapshot/sysroots/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux-musl:
> $ which gcc
> /usr/lib64/ccache/gcc
> $ gcc -v
>
> ccache: error: Could not find compiler "gcc" in PATH
>
> Best Regards,
>
> Zhenhua
>
>
>> > scripts/Makefile.host:108: recipe for target 'scripts/kconfig/conf.o'
>> > failed
>> >
>> > make[1]: *** [scripts/kconfig/conf.o] Error 1
>> >
>> > Makefile:541: recipe for target 'corenet32_smp_defconfig' failed
>> >
>> > make: *** [corenet32_smp_defconfig] Error 2
>> >
>> >
>> >
>> >
>> >
>> > Best Regards,
>> >
>> >
>> >
>> > Zhenhua
>> >
>> >
>> > --
>> > _______________________________________________
>> > yocto mailing list
>> > yocto at yoctoproject.org
>> > https://lists.yoctoproject.org/listinfo/yocto
>> >
>
>
>
>
> --
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