Is LLVM 13 (git) really ready for testing/development? libclc didn't compile

[Jan Vesely]

hi,

sorry the option is actually -cl-no-stdinc. you can add it to
'target_compiler_options'.
I should have a patch ready soon(tm), but time is scarce.

Jan

On Sun, Mar 7, 2021 at 9:51 PM Dieter Nützel <Dieter at nuetzel-hh.de> wrote:

> Hello Jan,
>
> I very much appreciate your advice.
> Tried several places...
> ...where to put it?
>
> Dieter
>
> Am 06.03.2021 17:56, schrieb Jan Vesely:
> > Not Marek, but hope this answer will help.
> > libclc uses clang CLC preprocessor on .ll files, llvm/clang-13 started
> > including clc declarations by default (clang
> > cf3ef15a6ec5e5b45c6c54e8fbe3769255e815ce),
> > thus corrupting any .ll assembly files that are used by libclc.
> > Inclusion of the default declarations can be turned off using a
> > cmdline switch but that remains to be implemented in the libclc build
> > system.
> > manually adding '-cl-no-stdinc' should work as a workaround.
> >
> > Jan
> >
> > On Thu, Mar 4, 2021 at 10:27 PM Dieter Nützel <Dieter at nuetzel-hh.de>
> > wrote:
> >
> >> Hello Marek,
> >>
> >> can't compile anything, here.
> >> Poor Intel Nehalem X3470.
> >>
> >> Trying LLVM 12-rc2 later.
> >>
> >> Greetings,
> >> Dieter
> >>
> >> llvm-project/libclc> cd build && cmake ../
> >> -- The CXX compiler identification is GNU 10.2.1
> >> -- Detecting CXX compiler ABI info
> >> -- Detecting CXX compiler ABI info - done
> >> -- Check for working CXX compiler: /usr/bin/c++ - skipped
> >> -- Detecting CXX compile features
> >> -- Detecting CXX compile features - done
> >> LLVM version: 13.0.0git
> >> LLVM system libs:
> >> LLVM libs: -lLLVM-13git
> >> LLVM libdir: /usr/local/lib
> >> LLVM bindir: /usr/local/bin
> >> LLVM ld flags: -L/usr/local/lib
> >> LLVM cxx flags:
> >>
> >
> -I/usr/local/include;-std=c++14;;;-fno-exceptions;-D_GNU_SOURCE;-D__STDC_CONSTANT_MACROS;-D__STDC_FORMAT_MACROS;-D__STDC_LIMIT_MACROS;-fno-rtti;-fno-exceptions
> >>
> >> clang: /usr/local/bin/clang
> >> llvm-as: /usr/local/bin/llvm-as
> >> llvm-link: /usr/local/bin/llvm-link
> >> opt: /usr/local/bin/opt
> >> llvm-spirv: /usr/local/bin/llvm-spirv
> >>
> >> -- Check for working CLC compiler: /usr/local/bin/clang
> >> -- Check for working CLC compiler: /usr/local/bin/clang -- works
> >> -- Check for working LLAsm compiler: /usr/local/bin/llvm-as
> >> -- Check for working LLAsm compiler: /usr/local/bin/llvm-as --
> >> broken
> >> CMake Error at cmake/CMakeTestLLAsmCompiler.cmake:40 (message):
> >> The LLAsm compiler "/usr/local/bin/llvm-as" is not able to
> >> compile a
> >> simple
> >> test program.
> >>
> >> It fails with the following output:
> >>
> >> Change Dir: /opt/llvm-project/libclc/build/CMakeFiles/CMakeTmp
> >>
> >> Run Build Command(s):/usr/bin/gmake cmTC_87af9/fast &&
> >> /usr/bin/gmake
> >> -f
> >> CMakeFiles/cmTC_87af9.dir/build.make
> >> CMakeFiles/cmTC_87af9.dir/build
> >>
> >> gmake[1]: Verzeichnis
> >> „/opt/llvm-project/libclc/build/CMakeFiles/CMakeTmp“ wird
> >> betreten
> >>
> >> Building LLAsm object
> >> CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc
> >>
> >> /usr/local/bin/clang -E -P -x cl
> >>
> >>
> > /opt/llvm-project/libclc/build/CMakeFiles/CMakeTmp/testLLAsmCompiler.ll
> >>
> >> -o
> >> CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc.temp
> >>
> >> /usr/local/bin/llvm-as -o
> >> CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc
> >> CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc.temp
> >>
> >> /usr/local/bin/llvm-as:
> >> CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc.temp:1:1: error:
> >> expected
> >> top-level entity
> >>
> >> typedef unsigned char uchar;
> >>
> >> ^
> >>
> >> gmake[1]: *** [CMakeFiles/cmTC_87af9.dir/build.make:86:
> >> CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc] Fehler 1
> >>
> >> gmake[1]: Verzeichnis
> >> „/opt/llvm-project/libclc/build/CMakeFiles/CMakeTmp“ wird
> >> verlassen
> >>
> >> gmake: *** [Makefile:140: cmTC_87af9/fast] Fehler 2
> >>
> >> CMake will not be able to correctly generate this project.
> >> Call Stack (most recent call first):
> >> CMakeLists.txt:127 (enable_language)
> >>
> >> -- Configuring incomplete, errors occurred!
> >> See also
> >> "/opt/llvm-project/libclc/build/CMakeFiles/CMakeOutput.log".
> >> See also "/opt/llvm-project/libclc/build/CMakeFiles/CMakeError.log".
> >>
> >> CMakeError.log
> >> Determining if the LLAsm compiler works failed with the following
> >> output:
> >> Change Dir: /opt/llvm-project/libclc/build/CMakeFiles/CMakeTmp
> >>
> >> Run Build Command(s):/usr/bin/gmake cmTC_87af9/fast &&
> >> /usr/bin/gmake
> >> -f CMakeFiles/cmTC_87af9.dir/build.make
> >> CMakeFiles/cmTC_87af9.dir/build
> >> gmake[1]: Verzeichnis
> >> „/opt/llvm-project/libclc/build/CMakeFiles/CMakeTmp“ wird
> >> betreten
> >> Building LLAsm object CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc
> >> /usr/local/bin/clang -E -P     -x cl
> >>
> > /opt/llvm-project/libclc/build/CMakeFiles/CMakeTmp/testLLAsmCompiler.ll
> >>
> >> -o CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc.temp
> >> /usr/local/bin/llvm-as -o
> >> CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc
> >> CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc.temp
> >> /usr/local/bin/llvm-as:
> >> CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc.temp:1:1: error:
> >> expected
> >> top-level entity
> >> typedef unsigned char uchar;
> >> ^
> >> gmake[1]: *** [CMakeFiles/cmTC_87af9.dir/build.make:86:
> >> CMakeFiles/cmTC_87af9.dir/testLLAsmCompiler.bc] Fehler 1
> >> gmake[1]: Verzeichnis
> >> „/opt/llvm-project/libclc/build/CMakeFiles/CMakeTmp“ wird
> >> verlassen
> >> gmake: *** [Makefile:140: cmTC_87af9/fast] Fehler 2
> >> _______________________________________________
> >> dri-devel mailing list
> >> dri-devel at lists.freedesktop.org
> >> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
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