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Date: Wed, 29 Jun 2016 09:13:31 -0300 Message-ID: To: Zhenhua Luo Cc: "yocto@yoctoproject.org" Subject: Re: Failed to cross compile kernel with Yocto toolchain X-BeenThere: yocto@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Discussion of all things Yocto Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Jun 2016 12:13:39 -0000 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Is /usr/lib64/gcc a file or a link? Is it a valid link? 2016-06-29 5:52 GMT-03:00 Zhenhua Luo : > 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--poky-linux, > gcc can be found even if /usr/lib64/ccache is in prepend to PATH, but aft= er > sourcing the environment-setup--poky-linux script, the gcc can=E2= =80=99t be > found, this should be a bug of the environment-setup--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/loca= l/sbin:/usr/sbin:/home/bjsimics/.local/bin:/home/bjsimics/bin > > which gcc > > /usr/lib64/ccache/gcc > > $ gcc -v > > Using built-in specs. > > COLLECT_GCC=3D/usr/bin/gcc > > COLLECT_LTO_WRAPPER=3D/usr/libexec/gcc/x86_64-redhat-linux/5.3.1/lto-wrap= per > > Target: x86_64-redhat-linux > > Configured with: ../configure --enable-bootstrap > --enable-languages=3Dc,c++,objc,obj-c++,fortran,ada,go,lto --prefix=3D/us= r > --mandir=3D/usr/share/man --infodir=3D/usr/share/info > --with-bugurl=3Dhttp://bugzilla.redhat.com/bugzilla --enable-shared > --enable-threads=3Dposix --enable-checking=3Drelease --enable-multilib > --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions > --enable-gnu-unique-object --enable-linker-build-id > --with-linker-hash-style=3Dgnu --enable-plugin --enable-initfini-array > --disable-libgcj --with-default-libstdcxx-abi=3Dgcc4-compatible --with-is= l > --enable-libmpx --enable-gnu-indirect-function --with-tune=3Dgeneric > --with-arch_32=3Di686 --build=3Dx86_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/sy= sroots/x86_64-pokysdk-linux/bin:/opt/poky/2.1+snapshot/sysroots/x86_64-poky= sdk-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-po= kysdk-linux/usr/bin/powerpc-poky-linux-uclibc:/opt/poky/2.1+snapshot/sysroo= ts/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux-musl:/usr/lib64/qt-3.3/b= in:/usr/lib64/ccache:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/hom= e/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@gmail.com] > Sent: Tuesday, June 28, 2016 10:48 PM > To: Zhenhua Luo > Cc: yocto@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" wrote: > > Hello Khem, > > >> -----Original Message----- >> From: Khem Raj [mailto:raj.khem@gmail.com] >> Sent: Tuesday, June 28, 2016 12:36 AM >> To: Zhenhua Luo >> Cc: yocto@yoctoproject.org >> Subject: Re: [yocto] Failed to cross compile kernel with Yocto toolchain >> >> On Mon, Jun 27, 2016 at 1:16 AM, Zhenhua Luo >> wrote: >> > Hello all, >> > >> > >> > >> > I generate the Yocto toolchain by =E2=80=9Cbitbake meta-toolchain=E2= =80=9D, 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 to generat= e >> 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/sy= sroots/x86_64-pokysdk-linux/bin:/opt/poky/2.1+snapshot/sysroots/x86_64-poky= sdk-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-po= kysdk-linux/usr/bin/powerpc-poky-linux-uclibc:/opt/poky/2.1+snapshot/sysroo= ts/x86_64-pokysdk-linux/usr/bin/powerpc-poky-linux-musl:/usr/lib64/qt-3.3/b= in:/usr/lib64/ccache:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/hom= e/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/bi= n:/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@yoctoproject.org >> > https://lists.yoctoproject.org/listinfo/yocto >> > > > > > > -- > _______________________________________________ > yocto mailing list > yocto@yoctoproject.org > https://lists.yoctoproject.org/listinfo/yocto > --=20 "Do or do not. There is no try" Yoda Master