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smowton avatar smowton commented on August 23, 2024

Hi! The reason is that LLPE currently builds against LLVM 3.6. However I have created a 3.7 branch that compiles against 3.7 (but is untested). Could you try

git pull
git checkout 3.7

And then rebuild?

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Earnestly avatar Earnestly commented on August 23, 2024

It gets a bit futher before coming upon a new error:

teapot earnest i ~/build/lab/llpe-git/src/llpe/llpe % make
Scanning dependencies of target LLVMLLPEMain
[  2%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/ArgSpec.cpp.o
[  5%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/FunctionSharing.cpp.o
[  8%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/MainLoop.cpp.o
[ 11%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/Shadows.cpp.o
[ 14%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/CFGEval.cpp.o
[ 17%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/Eval.cpp.o
/home/earnest/build/lab/llpe-git/src/llpe/llpe/main/Eval.cpp:2274:43: error: variable length array of non-POD element type 'std::pair<ValSetType, ImprovedVal>'
    std::pair<ValSetType, ImprovedVal> Ops[SI->getNumOperands()];
                                          ^
1 error generated.
main/CMakeFiles/LLVMLLPEMain.dir/build.make:182: recipe for target 'main/CMakeFiles/LLVMLLPEMain.dir/Eval.cpp.o' failed
make[2]: *** [main/CMakeFiles/LLVMLLPEMain.dir/Eval.cpp.o] Error 1
CMakeFiles/Makefile2:85: recipe for target 'main/CMakeFiles/LLVMLLPEMain.dir/all' failed
make[1]: *** [main/CMakeFiles/LLVMLLPEMain.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2

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smowton avatar smowton commented on August 23, 2024

This is a Clang vs. G++ thing (the former doesn't support non-POD VLAs). Either use G++ or I'll finally remove the VLA stuff tonight :)

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Earnestly avatar Earnestly commented on August 23, 2024

Ah, I thought given its llvm nature that clang was assumed. It does get further again with gcc (g++) but a new error is produced:

% cmake .
% make

[ 60%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/DOT.cpp.o
[ 62%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/IntegratorShared.cpp.o
[ 65%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/Save.cpp.o
[ 68%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/DSE.cpp.o
[ 71%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/LoadForward.cpp.o
[ 74%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/SaveSplit.cpp.o
[ 77%] Building CXX object main/CMakeFiles/LLVMLLPEMain.dir/Misc.cpp.o
/home/earnest/build/lab/llpe-git/src/llpe/llpe/main/Misc.cpp:30:43: fatal error: llvm/Target/TargetLibraryInfo.h: No such file or directory
compilation terminated.
main/CMakeFiles/LLVMLLPEMain.dir/build.make:686: recipe for target 'main/CMakeFiles/LLVMLLPEMain.dir/Misc.cpp.o' failed
make[2]: *** [main/CMakeFiles/LLVMLLPEMain.dir/Misc.cpp.o] Error 1
CMakeFiles/Makefile2:85: recipe for target 'main/CMakeFiles/LLVMLLPEMain.dir/all' failed
make[1]: *** [main/CMakeFiles/LLVMLLPEMain.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2

As for removing VLAs, that always sounds like a good idea :-P

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smowton avatar smowton commented on August 23, 2024

Both of these are done -- the one remaining VLA is now a vector, and the TLI include path is fixed (it was finding an old LLVM source tree by mistake).

Unfortunately building with Clang is currently still blocked because WxWidgets uses typeid and LLVM builds with -fno-rtti per default. Odd that GCC is ok with that, but it seems it is! So for now try building with GCC and I'll look into the RTTI issue some more.

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Earnestly avatar Earnestly commented on August 23, 2024

That did the trick, it builds to completion now but with many warnings essentially repeating the same thing:

/home/earnest/build/lab/llpe-git/src/llpe/llpe/driver/Integrator.cpp:636:1: warning: ‘virtual void wxWindowBase::MakeModal(bool)’ is deprecated [-Wdeprecated-declarations]
 }
 ^
In file included from /usr/include/wx-3.0/wx/wx.h:14:0,
                 from /home/earnest/build/lab/llpe-git/src/llpe/llpe/driver/Integrator.cpp:15:
/usr/include/wx-3.0/wx/window.h:688:5: note: declared here
     wxDEPRECATED( virtual void MakeModal(bool modal = true) );
     ^

Full log: https://ptpb.pw/-pAn

Other than that, this particular issue can probably be closed now.

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smowton avatar smowton commented on August 23, 2024

Standard WX I'm afraid :) Thanks for the report!

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