[Octave-bug-tracker] [bug #38564] llvm 3.2 does not provide required header

[LYH]

Follow-up Comment #20, bug #38564 (project octave):

Hi John,

octave binary is linked with liboctinterp.so.1. However LLVM functions of
liboctinterp.so.1 is extracted from llvm static library.

Take for example. getPointerFunction is the entry point of LLVM JIT

$ldd ./i-octave-3.2/bin/octave
        ...
        liboctinterp.so.1 =>
/home/lyh/Desktop/Octave/b-octave-3.2/../i-octave-3.2/lib/octave/3.7.3+/liboctinterp.so.1
(0x00007fe156446000)
        ...

$ grep -r "getPointerToFunction" ./i-octave-3.2/lib/
Binary file ./i-octave-3.2/lib/octave/3.7.3+/liboctinterp.so.1.0.1 matches

$ grep -r "getPointerToFunction" ./i-llvm-3.2/lib/
Binary file ./i-llvm-3.2/lib/libLLVMJIT.a matches
Binary file ./i-llvm-3.2/lib/libLLVMInterpreter.a matches
Binary file ./i-llvm-3.2/lib/libLLVMMCJIT.a matches
Binary file ./i-llvm-3.2/lib/libLLVMExecutionEngine.a matches

Above shows that getPointerToFunction sumbol appears only in llvm static
libaray(default) and liboctinterp.so.1.0.1

Cheers

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