Compile mlir-jl-tblgen with Clang from LLVM_full_jll

[mofeing]

I'm getting the following error in macOS:

/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/Users/mofeing/.julia/artifacts/43c5f915b23163ac6d25e7754f68cfc1ff50d375/include -Wall -fPIC -fno-rtti -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -std=gnu++17 -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -mmacosx-version-min=14.1   -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -MD -MT CMakeFiles/mlir-jl-tblgen.dir/jl-generators.cc.o -MF CMakeFiles/mlir-jl-tblgen.dir/jl-generators.cc.o.d -o CMakeFiles/mlir-jl-tblgen.dir/jl-generators.cc.o -c /Users/mofeing/Developer/MLIR.jl/deps/tblgen/jl-generators.cc

...

/Users/mofeing/Developer/MLIR.jl/deps/tblgen/jl-generators.cc:39:10: fatal error: 'mlir/TableGen/Class.h' file not found
#include "mlir/TableGen/Class.h"
         ^~~~~~~~~~~~~~~~~~~~~~~
2 warnings and 1 error generated.
make[2]: *** [CMakeFiles/mlir-jl-tblgen.dir/jl-generators.cc.o] Error 1
make[1]: *** [CMakeFiles/mlir-jl-tblgen.dir/all] Error 2
make: *** [all] Error 2

The reason is that it's using Apple Clang for compilation but Apple LLVM doesn't have MLIR.

This PR forces to compile with Clang from LLVM_full_jll.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b065747) 3.24% compared to head (b37e1ad) 3.26%.

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Additional details and impacted files

@@           Coverage Diff            @@
##            main     #58      +/-   ##
========================================
+ Coverage   3.24%   3.26%   +0.01%     
========================================
  Files        107     107              
  Lines      26059   26061       +2     
========================================
+ Hits         845     850       +5     
+ Misses     25214   25211       -3     

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[vchuravy]

The reason is that it's using Apple Clang for compilation but Apple LLVM doesn't have MLIR.

That seems like the wrong reason. We set up the include path so that the host compiler can find the headers. I use GCC to compile this locally

[mofeing]

The problem was solved magically. I guess there was some corruption in my Manifest.toml file because I used Julia 1.7 before. It works well on Julia 1.10.