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root [ /sources/llvm-3.8.1.src/build ]# make -j1
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/sources/llvm-3.8.1.src/utils/TableGen/AsmMatcherEmitter.cpp:727:6: warning: ‘void {anonymous}::MatchableInfo::dump() const’ defined but not used [-Wunused-function]
void MatchableInfo::dump() const {
^~~~~~~~~~~~~
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void FilterChooser::SingletonExists(unsigned Opc) const {
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[ 5%] Building AttributesCompatFunc.inc...
../../bin/llvm-tblgen: error while loading shared libraries: libLLVMSupport.so: cannot open shared object file: No such file or directory
make[2]: *** [lib/IR/CMakeFiles/AttributeCompatFuncTableGen.dir/build.make:88: lib/IR/AttributesCompatFunc.inc.tmp] Error 127
make[1]: *** [CMakeFiles/Makefile2:702: lib/IR/CMakeFiles/AttributeCompatFuncTableGen.dir/all] Error 2
make: *** [Makefile:150: all] Error 2

I saw that lib in build/lib dir and I use -j1 so this can't be lib problem

I'm afraid it _is_ your problem, because the system isn't seeing it.Try sticking a symlink to it in /usr/lib64 or suchlike, & running ldconfig. Also, there's world of difference between libLLVMSupport.so, libLLVMSupport.so.N (e.g. libLLVMSupport.so.1) & libLLVMSupport.so.N.NN. Go figure. You may also be able to add the libdir in the ./configure line and tell it to search there.

1 members found this post helpful.

ldconfig didn't work and the file is end by .so
but ln is worked! thank you!