Update llvm.spec

llvm.spec

@@ -3,7 +3,7 @@
 ## INITENV +PATH PYTHON3PATH %{i}/lib64/python%{cms_python3_major_minor_version}/site-packages
 
 BuildRequires: cmake ninja
-Requires: gcc zlib python3 libxml2 zstd
+Requires: gcc zlib python3 libxml2 zstd libunwind
 %{!?without_cuda:Requires: cuda}
 
 %define llvmCommit 8b7cd04d9c367791750225cd6083b1bb02a1a944
@@ -35,12 +35,14 @@ rm -rf %{_builddir}/build
 mkdir -p %{_builddir}/build
 cd %{_builddir}/build
 
+host_triple=$(gcc -dumpmachine)
 cmake %{_builddir}/llvm-%{realversion}-%{llvmCommit}/llvm \
   -G Ninja \
 %if 0%{!?use_system_gcc:1}
   -DLLVM_BINUTILS_INCDIR:STRING="${GCC_ROOT}/include" \
 %endif
   -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra;compiler-rt;lld;openmp" \
+  -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" \
   -DCMAKE_INSTALL_PREFIX:PATH="%{i}" \
   -DCMAKE_BUILD_TYPE:STRING=Release \
   -DLLVM_LIBDIR_SUFFIX:STRING=64 \
@@ -49,14 +51,14 @@ cmake %{_builddir}/llvm-%{realversion}-%{llvmCommit}/llvm \
   -DLLVM_ENABLE_EH:BOOL=ON \
   -DLLVM_ENABLE_PIC:BOOL=ON \
   -DLLVM_ENABLE_RTTI:BOOL=ON \
-  -DLLVM_HOST_TRIPLE=$(gcc -dumpmachine) \
+  -DLLVM_HOST_TRIPLE=${host_triple} \
   -DLLVM_TARGETS_TO_BUILD:STRING="X86;PowerPC;AArch64;RISCV;NVPTX" \
 %if 0%{!?without_cuda:1}
   -DLIBOMPTARGET_NVPTX_ALTERNATE_HOST_COMPILER=/usr/bin/gcc \
   -DLIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES="%omptarget_cuda_archs" \
 %endif
   -DCMAKE_REQUIRED_INCLUDES="${ZLIB_ROOT}/include" \
-  -DCMAKE_PREFIX_PATH="${ZLIB_ROOT};${LIBXML2_ROOT};${ZSTD_ROOT}"
+  -DCMAKE_PREFIX_PATH="${ZLIB_ROOT};${LIBXML2_ROOT};${ZSTD_ROOT};${LIBUNWIND_ROOT}"
 
 ninja -v %{makeprocesses}
 ninja -v %{makeprocesses} check-clang-tools
@@ -66,6 +68,10 @@ bin/clang-tidy --checks=* --list-checks | grep cms-handle
 cd ../build
 ninja -v %{makeprocesses} install
 
+#Create libomp symlink
+host_triple=$(gcc -dumpmachine)
+ln -s ${host_triple}/libomp.so %{i}/lib64/libomp.so
+
 BINDINGS_PATH=%{i}/lib64/python%{cms_python3_major_minor_version}/site-packages
 PKG_INFO_FILE=$BINDINGS_PATH/clang-%{realversion}-py%{cms_python3_major_minor_version}.egg-info/PKG-INFO
 mkdir -p $BINDINGS_PATH