[yocto] [poky] Is this a bug of binutils
Li Zhijian
lizhijian at cn.fujitsu.com
Sun Sep 22 19:44:19 PDT 2013
at 2013-9-23 10:34, Li Zhijian wrote:
> at 2013-9-20 19:00, Laurentiu Palcu wrote:
>> Hi,
>>
>> On Fri, Sep 20, 2013 at 06:25:19PM +0800, Li Zhijian wrote:
>>>>>>>> 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
>>>>>>>> # $CC -o test test.c -L tmp/sysroots/qemux86-64/usr/lib/ -lm
>> OK, it looks like something strange happens in your setup.
>>
>> To debug it, let's add '-Wl,--verbose' at the end of your command and you
>> should be able to see where the linker is looking for libraries. Also,
>> the linker script will be printed.
>>
>> You should see it try your directory first
>> tmp/sysroots/qemux86-64/usr/lib/, and then fall through the default ones
>> with the sysroot prefix added and, at the end, the system ones:
>> /lib:/usr/lib.
>>
>> Thanks,
>> Laurentiu
>
> First，in this case
Secondly,
clear all the environment setuped with environment-setup-x86_64-poky-linux previously and then set
--sysroot=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64
In this case ,toolchain work fine
[lizj at suika x86-64-yocto-1.3]$ bash
[lizj at suika x86-64-yocto-1.3]$ /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/x86_64-poky-linux-gcc --sysroot=/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64 -o test test.c -L tmp/sysroots/qemux86-64/usr/lib/ -lm
x86-64 -o test test.c -L tmp/sysroots/qemux86-64/usr/lib/ -lm -Wl,--verbose
test.c: In function 'main':
test.c:3:9: warning: incompatible implicit declaration of built-in function 'printf' [enabled by default]
GNU ld (GNU Binutils) 2.23.1.20121113
Supported emulations:
elf_x86_64
elf32_x86_64
elf_i386
i386linux
elf_l1om
elf_k1om
using internal linker script:
==================================================
/* Script for -z combreloc: combine and sort reloc sections */
OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",
"elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
ENTRY(_start)
SEARCH_DIR("/opt/poky/1.3+snapshot/sysroots/x86_64-pokysdk-linux/usr/x86_64-poky-linux/lib64"); SEARCH_DIR("=/usr/local/lib64"); SEARCH_DIR("=/lib64"); SEARCH_DIR("=/usr/lib64"); SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib");
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==================================================
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/../lib/crt1.o succeeded
/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/../lib/crt1.o
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/../lib/crti.o succeeded
/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/../lib/crti.o
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/x86_64-poky-linux/4.7.2/crtbegin.o succeeded
/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/x86_64-poky-linux/4.7.2/crtbegin.o
attempt to open /tmp/ccqSR6oO.o succeeded
/tmp/ccqSR6oO.o
attempt to open tmp/sysroots/qemux86-64/usr/lib//libm.so succeeded
-lm (tmp/sysroots/qemux86-64/usr/lib//libm.so)
attempt to open tmp/sysroots/qemux86-64/usr/lib//libgcc.so failed
attempt to open tmp/sysroots/qemux86-64/usr/lib//libgcc.a failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/libgcc.so failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/libgcc.a failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/libgcc.so failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/libgcc.a failed
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/../lib/libgcc.so failed
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/../lib/libgcc.a failed
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/x86_64-poky-linux/4.7.2/libgcc.so failed
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/x86_64-poky-linux/4.7.2/libgcc.a succeeded
attempt to open tmp/sysroots/qemux86-64/usr/lib//libgcc_s.so failed
attempt to open tmp/sysroots/qemux86-64/usr/lib//libgcc_s.a failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/libgcc_s.so failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/libgcc_s.a failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/libgcc_s.so failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/libgcc_s.a failed
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/../lib/libgcc_s.so succeeded
-lgcc_s (/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/../lib/libgcc_s.so)
attempt to open tmp/sysroots/qemux86-64/usr/lib//libc.so succeeded
opened script file tmp/sysroots/qemux86-64/usr/lib//libc.so
opened script file tmp/sysroots/qemux86-64/usr/lib//libc.so
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/libc.so.6 succeeded
/lib/libc.so.6 (/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/libc.so.6)
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/libc_nonshared.a succeeded
(/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/libc_nonshared.a)elf-init.oS
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/ld-linux-x86-64.so.2 succeeded
/lib/ld-linux-x86-64.so.2 (/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/ld-linux-x86-64.so.2)
attempt to open tmp/sysroots/qemux86-64/usr/lib//libgcc.so failed
attempt to open tmp/sysroots/qemux86-64/usr/lib//libgcc.a failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/libgcc.so failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/libgcc.a failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/libgcc.so failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/libgcc.a failed
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/../lib/libgcc.so failed
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/../lib/libgcc.a failed
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/x86_64-poky-linux/4.7.2/libgcc.so failed
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/x86_64-poky-linux/4.7.2/libgcc.a succeeded
attempt to open tmp/sysroots/qemux86-64/usr/lib//libgcc_s.so failed
attempt to open tmp/sysroots/qemux86-64/usr/lib//libgcc_s.a failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/libgcc_s.so failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/x86_64-poky-linux/4.7.2/libgcc_s.a failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/libgcc_s.so failed
attempt to open /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/../../lib/x86_64-poky-linux/gcc/libgcc_s.a failed
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/../lib/libgcc_s.so succeeded
-lgcc_s (/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/../lib/libgcc_s.so)
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/x86_64-poky-linux/4.7.2/crtend.o succeeded
/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/x86_64-poky-linux/4.7.2/crtend.o
attempt to open /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/../lib/crtn.o succeeded
/yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/usr/lib/../lib/crtn.o
ld-linux-x86-64.so.2 needed by /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/libc.so.6
found ld-linux-x86-64.so.2 at /yocto/fnst/lizj/build_yocto/x86-64-yocto-1.3/tmp/sysroots/qemux86-64/lib/ld-linux-x86-64.so.2
[lizj at suika x86-64-yocto-1.3]$ echo $?
--
Best regards.
Li Zhijian
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