Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/lib64/cmake/llvm/LLVMConfigVersion.cmake b/linux-x64/clang/lib64/cmake/llvm/LLVMConfigVersion.cmake
new file mode 100644
index 0000000..239f608
--- /dev/null
+++ b/linux-x64/clang/lib64/cmake/llvm/LLVMConfigVersion.cmake
@@ -0,0 +1,13 @@
+set(PACKAGE_VERSION "7.0.2svn")
+
+# LLVM is API-compatible only with matching major.minor versions
+# and patch versions not less than that requested.
+if("7.0" VERSION_EQUAL
+ "${PACKAGE_FIND_VERSION_MAJOR}.${PACKAGE_FIND_VERSION_MINOR}"
+ AND NOT "2" VERSION_LESS "${PACKAGE_FIND_VERSION_PATCH}")
+ set(PACKAGE_VERSION_COMPATIBLE 1)
+ if("2" VERSION_EQUAL
+ "${PACKAGE_FIND_VERSION_PATCH}")
+ set(PACKAGE_VERSION_EXACT 1)
+ endif()
+endif()