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tiarmclang WSL linker failure

Akhil Thomas
Prodigy 145 points
Other Parts Discussed in Thread: TDA4VM

The tiarmclang linker fails on WSL (18.04)  for the demo application mentioned in link:

https://software-dl.ti.com/codegen/docs/tiarmclang/compiler_tools_user_guide/getting_started_guide/building_simple_application.html

Error message:

error #10450-D: Attempted to add non archive file into group archive, specify
   it outside of the --start-group & --end-group options.
error #10010: errors encountered during linking;

The object and library files are created. Just the final linking fails. This works fine in Ubuntu.

  • 0
    TI__Guru**** 249360 points
    Akhil Thomas said:
    The tiarmclang linker fails on WSL (18.04)

    Sorry, but I had to go learn about WSL (Windows Subsystem for Linux).  My understanding is that WSL does not, by itself, supply a command shell or other similar tooling.  You have to add a Linux distribution to it.  So, which Linux distribution did you add?  

    Do you run tiarmclang from a command shell?  For now, I presume so.

    Please show all the compile and link commands.  Please copy-and-paste the text, and do not use a screen shot.  If it is more convenient, capture it in a text file and attach that to your next post.

    Thanks and regards,

    -George

  • 0 in reply to George Mock
    Prodigy 145 points

    Hi George,

    The WSL is based on Ubuntu 18.04. I used the same commands as mentioned in the Simple application link mentioned before.

    And yes i run this from WSL terminal.

    Command:

    ../Git_Backup/ti-cgt-armllvm_1.3.0.LTS/bin/tiarmclang -v -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 hello.c -o hello_world.out -Xlinker -llnkme.cmd -Xlinker -mhello_world.map

    Is there a way to suppress the archive groups auto added by the compiler?

    Fullscreen 6076.log.txt Download 
    user@PC:/mnt/d/V2X/VCM/Test$ ../Git_Backup/ti-cgt-armllvm_1.3.0.LTS/bin/tiarmclang -v -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 hello.c -o hello_world.out -Xlinker -llnkme.cmd -Xlinker -mhello_world.map
TI Arm Clang Compiler 1.3.0.LTS
Target: arm-ti-none-eabi
Thread model: posix
InstalledDir: /mnt/d/V2X/VCM/Test/../Git_Backup/ti-cgt-armllvm_1.3.0.LTS/bin
 "/mnt/d/V2X/VCM/Git_Backup/ti-cgt-armllvm_1.3.0.LTS/bin/tiarmclang" -cc1 -triple thumbv7em-ti-none-eabihf -emit-obj -mrelax-all --mrelax-relocations -disable-free -disable-llvm-verifier -discard-value-names -main-file-name hello.c -mrelocation-model static -mframe-pointer=none -fmath-errno -fno-rounding-math -mconstructor-aliases -nostdsysteminc -fno-zero-initialized-in-bss -fdef-uninit-in-bss -fcommon -ffunction-sections -fdata-sections -fno-delete-null-pointer-checks -fwchar-type=int -fshort-enums -target-cpu cortex-m4 -target-feature -crc -target-feature -sha2 -target-feature -aes -target-feature -dotprod -target-feature +dsp -target-feature -mve -target-feature -mve.fp -target-feature -ras -target-feature -bf16 -target-feature -sb -target-feature -i8mm -target-feature -lob -target-feature -cdecp0 -target-feature -cdecp1 -target-feature -cdecp2 -target-feature -cdecp3 -target-feature -cdecp4 -target-feature -cdecp5 -target-feature -cdecp6 -target-feature -cdecp7 -target-feature -hwdiv-arm -target-feature +hwdiv -target-feature -vfp2 -target-feature +vfp2sp -target-feature -vfp3 -target-feature -vfp3d16 -target-feature +vfp3d16sp -target-feature -vfp3sp -target-feature +fp16 -target-feature -vfp4 -target-feature -vfp4d16 -target-feature +vfp4d16sp -target-feature -vfp4sp -target-feature -fp-armv8 -target-feature -fp-armv8d16 -target-feature -fp-armv8d16sp -target-feature -fp-armv8sp -target-feature -fullfp16 -target-feature -fp64 -target-feature -d32 -target-feature -neon -target-feature -crypto -target-feature -fp16fml -target-abi aapcs -fvisibility hidden -mfloat-abi hard -fallow-half-arguments-and-returns -fno-split-dwarf-inlining -debugger-tuning=gdb -v -resource-dir /mnt/d/V2X/VCM/Git_Backup/ti-cgt-armllvm_1.3.0.LTS/lib/clang/12.0.1 -internal-isystem /mnt/d/V2X/VCM/Git_Backup/ti-cgt-armllvm_1.3.0.LTS/lib/clang/12.0.1/include -internal-isystem /mnt/d/V2X/VCM/Test/../Git_Backup/ti-cgt-armllvm_1.3.0.LTS/include/c -fdebug-compilation-dir /mnt/d/V2X/VCM/Test -ferror-limit 19 -fno-signed-char -fgnuc-version=4.2.1 -fcolor-diagnostics -faddrsig -o /tmp/hello-9af779.o -x c hello.c
clang -cc1 version 12.0.1 based upon LLVM 12.0.1 default target arm-ti-none-eabi
ignoring duplicate directory "/mnt/d/V2X/VCM/Git_Backup/ti-cgt-armllvm_1.3.0.LTS/lib/clang/12.0.1/include"
#include "..." search starts here:
#include <...> search starts here:
 /mnt/d/V2X/VCM/Git_Backup/ti-cgt-armllvm_1.3.0.LTS/lib/clang/12.0.1/include
 /mnt/d/V2X/VCM/Test/../Git_Backup/ti-cgt-armllvm_1.3.0.LTS/include/c
End of search list.
 "/mnt/d/V2X/VCM/Test/../Git_Backup/ti-cgt-armllvm_1.3.0.LTS/bin/tiarmlnk" -I/mnt/d/V2X/VCM/Test/../Git_Backup/ti-cgt-armllvm_1.3.0.LTS/lib -o hello_world.out /tmp/hello-9af779.o -llnkme.cmd -mhello_world.map --start-group -llibc++.a -llibc++abi.a -llibc.a -llibsys.a -llibsysbm.a -llibclang_rt.builtins.a -llibclang_rt.profile.a --end-group
error: Attempted to add non archive file into group archive, specify it outside
   of the --start-group & --end-group options.
error: errors encountered during linking; "hello_world.out" not built
tiarmclang: error: tiarmlnk command failed with exit code 1 (use -v to see invocation)

  • 0 in reply to Akhil Thomas
    TI__Guru**** 249360 points

    I cannot see where the compiler is doing anything unusual.  Therefore, I have to suspect some problem with WSL .  Perhaps there is some problem in a low level system call that causes the linker to think one or more of the library files (the something.a files) is not a library, when it really is a library.

    Unfortunately, I don't see anything else we can do to help resolve this problem.

    I know this next part is not helpful, but I still think I should point out ... TI does not test tiarmclang with WSL, nor does it document support for it.

    Thanks and regards,

    -George

  • 0 in reply to George Mock
    TI__Guru**** 249360 points

    Please let me know which TI ARM device you use.

    Thanks and regards,

    -George

  • 0 in reply to George Mock
    Prodigy 145 points

    Hi George,

    I'm working on TDA4VM.

    Made some progress. The issues seems to be with libsys.a. If i remove that manually in the tiarmlnk it works.

    i think the libsys.a i have is a corrupted one as running tiarmobjdump fails with error

    ./tiarmobjdump: error: '../lib/libsys.a': The file was not recognized as a valid object file on WSL but in ubuntu no output is displayed and no error message as well.

    Where can i get a valid libsys.a? I took the base from ti-cgt-armllvm_1.3.0.LTS

  • 0 in reply to Akhil Thomas
    TI__Guru**** 249360 points

    My guess is the file was corrupted during the download or installation.  Please consider starting over fresh, by repeating the download and installation.  Or upgrade to a more recent version, such as 1.3.1.LTS or 2.0.0.STS.  All are available on the ARM code generation tools page.

    Thanks and regards,

    -George

  • 0 in reply to George Mock
    Prodigy 145 points

    Hi George,

    Thanks for reply. Can you tell the side effects of this faulty libsys.a so far things are working fine while compiling on ubuntu side.

  • 0 in reply to Akhil Thomas
    TI__Guru**** 249360 points
    Akhil Thomas said:
    Can you tell the side effects of this faulty libsys.a

    Unfortunately, no.  I cannot explain why the Ubuntu build works and the WSL build fails.

    Thanks and regards,

    -George

  • 0 in reply to George Mock
    Prodigy 145 points

    Hi George,

    I tried both 1.3.1.LTS and 2.0.0.STS the libsys.a seems to be corrupted or empty.

    Normally in the other lib*.a files there is a reference to the architecture based archive like armv7/6 archive. This one does not have it.

    What kind of functions are present in libsys.a?

  • 0 in reply to Akhil Thomas
    TI__Guru**** 249360 points

    libsys.a is not a library of object files.  It is an index library file built with the utility tiarmlibinfo.  In current releases of tiarmclang, it contains 0 libraries.  It's a placeholder for now.  While this is a little unusual, it is supported.  I continue to suspect an error by some low level file operation in WSL is the cause of the problem.

    Thanks and regards,

    -George

  • +1 in reply to George Mock
    Prodigy 145 points

    Hi George,

    Thank you for your support so far.

    I used tiarmlibinfo to create an empty index library and named it libsys.a. That works! its detected as a valid library file.

    I'm attaching the screenshot of the difference between the two file.

    I'm closing this issue as this work around will solve the build issue.