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

[Dieter Nützel <Dieter@xxxxxxxxxxxxx>]

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@xxxxxxxxxxxxx>
> 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@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
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