[yocto] [poky] Is this a bug of binutils

Fri Sep 20 03:25:19 PDT 2013

at 2013-9-20 18:02, Laurentiu Palcu wrote:
> On Fri, Sep 20, 2013 at 05:56:25PM +0800, Li Zhijian wrote:
>> at 2013-9-20 16:50, Laurentiu Palcu wrote:
>>> On Fri, Sep 20, 2013 at 11:43:31AM +0300, Laurentiu Palcu wrote:
>>>> Hi,
>>>>
>>>> On Fri, Sep 20, 2013 at 02:45:24PM +0800, Li Zhijian wrote:
>>>>> Hi，all
>>>>>
>>>>> I got a big problem when using the cross-toolchain to compile a simple C program.
>>>>> This problem since 3ae71c74c71f13a390b21b4c3ead04e51aaa82b8
>>>>> which is to upgrade the binutils from 2.22 to 2.23.1
>>> Apparently I missed this... Make sure you checkout
>>> 0333796a6b167dd754806700d7f771dd4a74e4ab (binutils_2.23.1.bb: Correct
>>> typo in enable-targets configure option). This might be your problem.
>>>
>>> Laurentiu
>> i am sorry，i don't understand what do you mean
> My bad, I copy-pasted the wrong sha1 (the summary was good though).
> Here's the correct sha1: a8fa49fbc21d460479ecadeb1996a800cc4e3e07

not really this fix，i build meta-toolchain on yocto-1.4.1(73f103bf9b2cdf985464dc53bf4f1cfd71d4531f)
and got the same problem

even at the latest poky, got the same problem

-- 
Best regards.
Li Zhijian


> Laurentiu
>> in poky git tree，
>>
>> 3ae71c74c71f13a390b21b4c3ead04e51aaa82b8 is newer than 0333796a6b167dd754806700d7f771dd4a74e4ab
>>
>> this checkout 0333796a6b167dd754806700d7f771dd4a74e4ab ， toolchain work fine
>>
>> # git log
>> commit 3ae71c74c71f13a390b21b4c3ead04e51aaa82b8
>> Author: Khem Raj <raj.khem at gmail.com>
>> Date:   Wed Aug 8 10:33:41 2012 -0700
>>
>>      tcmode-default.inc: Use binutils 2.23.1
>> ...skip...
>>
>> commit 0333796a6b167dd754806700d7f771dd4a74e4ab
>> Author: Khem Raj <raj.khem at gmail.com>
>> Date:   Wed Aug 8 07:57:46 2012 -0700
>>
>>      oprofile: Include config.h before bfd.h
>>
>>      oprofile uses bfd.h from binutils which now in 2.23+ expects config.h
>>      so lets include it
>> ...skip...
>>
>>
>> -- 
>> Best regards.
>> Li Zhijian
>>
>>
>>>>> what I do is as follows, any help or ideas ?
>>>>>
>>>>> I) Build my cross-toolchain
>>>>> # git clone http://git.yoctoproject.org/git/poky/.git
>>>>> # cd poky
>>>>> # git checkout 3ae71c74c71f13a390b21b4c3ead04e51aaa82b8 -b tcmode-default
>>>>> ...skip some steps...
>>>>> # bitbake meta-toolchain
>>>>> Loading cache: 100% |############################################################################################| ETA: 00:00:00
>>>>> Loaded 1122 entries from dependency cache.
>>>>>
>>>>> Build Configuration:
>>>>> BB_VERSION = "1.17.0"
>>>>> BUILD_SYS = "x86_64-linux"
>>>>> NATIVELSBSTRING = "CentOS-6.3"
>>>>> TARGET_SYS = "x86_64-poky-linux"
>>>>> MACHINE = "qemux86-64"
>>>>> DISTRO = "poky"
>>>>> DISTRO_VERSION = "1.3+snapshot-20130912"
>>>>> TUNE_FEATURES = "m64"
>>>>> TARGET_FPU = ""
>>>>> meta
>>>>> meta-yocto
>>>>> meta-yocto-bsp = "tcmode-default:3ae71c74c71f13a390b21b4c3ead04e51aaa82b8"
>>>>>
>>>>> ..cost a long time..
>>>>> all of the build work successfully
>>>>>
>>>>> II) Install my cross-toolchain
>>>>> # ./poky-eglibc-x86_64-x86_64-toolchain-1.3+snapshot-20130912.sh
>>>>> Enter target directory for SDK (default: /opt/poky/1.3+snapshot): toolchain-1.3-tcmode-default
>>>>>
>>>>> III） compile a simple C program
>>>>> # cat test.c
>>>>> int main ()
>>>>> {
>>>>> printf("hello world\n");
>>>>> return 0;
>>>>> }
>>>>> # source toolchain-1.3-tcmode-default/environment-setup-x86_64-poky-linux
>>>>> # $CC -o test test.c -L tmp/sysroots/qemux86-64/usr/lib/ -lm
>>>> Technically, for this simple program, it's enough to do:
>>>>
>>>> $CC -o test test.c
>>>>
>>>> The $CC contains the sysroot option and the linker will automatically
>>>> prefix /lib and /usr/lib with the target sysroot. So, it should be able
>>>> to compile just fine.
>>>>
>>>> The -L option just adds another search path for libraries which will be
>>>> searched before the default ones. So, it shouldn't be a problem.
>>>>
>>>> Somehow, it looks like it tries to link against the host's libraries.
>>>>
>>>> Before compiling, do a 'echo $CC' and make sure the --sysroot points to
>>>> the correct directory.
>>>>
>>>> Laurentiu
>>>>
>>>>> test.c: In function 'main':
>>>>> test.c:3:9: warning: incompatible implicit declaration of built-in function 'printf' [enabled by default]
>>>>> /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-pokysdk-linux/usr/bin/x86_64-poky-linux/../../libexec/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/ld: skipping incompatible /lib/libc.so.6 when searching for /lib/libc.so.6
>>>>> /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-pokysdk-linux/usr/bin/x86_64-poky-linux/../../libexec/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/ld: cannot find /lib/libc.so.6
>>>>> /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-pokysdk-linux/usr/bin/x86_64-poky-linux/../../libexec/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/ld: skipping incompatible /usr/lib/libc_nonshared.a when searching for /usr/lib/libc_nonshared.a
>>>>> /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-pokysdk-linux/usr/bin/x86_64-poky-linux/../../libexec/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/ld: cannot find /usr/lib/libc_nonshared.a
>>>>> collect2: error: ld returned 1 exit status
>>>>>
>>>>>
>>>>> #cat toolchain-1.3-tcmode-default/environment-setup-x86_64-poky-linux
>>>>> export PATH=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-pokysdk-linux/usr/bin:/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-pokysdk-linux/usr/bin/x86_64-poky-linux:$PATH
>>>>> export PKG_CONFIG_SYSROOT_DIR=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-poky-linux
>>>>> export PKG_CONFIG_PATH=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-poky-linux/usr/lib/pkgconfig
>>>>> export CONFIG_SITE=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/site-config-x86_64-poky-linux
>>>>> export CC="x86_64-poky-linux-gcc -m64 --sysroot=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-poky-linux"
>>>>> export CXX="x86_64-poky-linux-g++ -m64 --sysroot=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-poky-linux"
>>>>> export CPP="x86_64-poky-linux-gcc -E -m64 --sysroot=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-poky-linux"
>>>>> export AS="x86_64-poky-linux-as "
>>>>> export LD="x86_64-poky-linux-ld --sysroot=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-poky-linux"
>>>>> export GDB=x86_64-poky-linux-gdb
>>>>> export STRIP=x86_64-poky-linux-strip
>>>>> export RANLIB=x86_64-poky-linux-ranlib
>>>>> export OBJCOPY=x86_64-poky-linux-objcopy
>>>>> export OBJDUMP=x86_64-poky-linux-objdump
>>>>> export AR=x86_64-poky-linux-ar
>>>>> export NM=x86_64-poky-linux-nm
>>>>> export M4=m4
>>>>> export TARGET_PREFIX=x86_64-poky-linux-
>>>>> export CONFIGURE_FLAGS="--target=x86_64-poky-linux --host=x86_64-poky-linux --build=x86_64-linux --with-libtool-sysroot=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-poky-linux"
>>>>> export CFLAGS=" -O2 -pipe -g -feliminate-unused-debug-types"
>>>>> export CXXFLAGS=" -O2 -pipe -g -feliminate-unused-debug-types -fpermissive"
>>>>> export LDFLAGS="-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed"
>>>>> export CPPFLAGS=""
>>>>> export OECORE_NATIVE_SYSROOT="/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-pokysdk-linux"
>>>>> export OECORE_TARGET_SYSROOT="/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-poky-linux"
>>>>> export OECORE_ACLOCAL_OPTS="-I /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/toolchain-1.3-tcmode-default/sysroots/x86_64-pokysdk-linux/usr/share/aclocal"
>>>>> export OECORE_DISTRO_VERSION="1.3+snapshot-20130912"
>>>>> export OECORE_SDK_VERSION="1.3+snapshot"
>>>>>
>>>>> -- 
>>>>> Best regards.
>>>>> Li Zhijian (8555)
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> yocto mailing list
>>>>> yocto at yoctoproject.org
>>>>> https://lists.yoctoproject.org/listinfo/yocto
>>>> _______________________________________________
>>>> poky mailing list
>>>> poky at yoctoproject.org
>>>> https://lists.yoctoproject.org/listinfo/poky
>>
>>
>