diff -ru llvm-8.0.0rc1.src.orig/cmake/modules/CMakeLists.txt llvm-8.0.0rc1.src/cmake/modules/CMakeLists.txt
--- llvm-8.0.0rc1.src.orig/cmake/modules/CMakeLists.txt	2019-02-12 11:32:02.370238762 +0000
+++ llvm-8.0.0rc1.src/cmake/modules/CMakeLists.txt	2019-02-13 08:40:39.263265812 +0000
@@ -94,7 +94,7 @@
 set(LLVM_CONFIG_LIBRARY_DIRS "\${LLVM_INSTALL_PREFIX}/lib\${LLVM_LIBDIR_SUFFIX}")
 set(LLVM_CONFIG_CMAKE_DIR "\${LLVM_INSTALL_PREFIX}/${LLVM_INSTALL_PACKAGE_DIR}")
 set(LLVM_CONFIG_BINARY_DIR "\${LLVM_INSTALL_PREFIX}")
-set(LLVM_CONFIG_TOOLS_BINARY_DIR "\${LLVM_INSTALL_PREFIX}/bin")
+set(LLVM_CONFIG_TOOLS_BINARY_DIR "\${LLVM_INSTALL_PREFIX}/${LLVM_TOOLS_INSTALL_DIR}")
 set(LLVM_CONFIG_EXPORTS_FILE "\${LLVM_CMAKE_DIR}/LLVMExports.cmake")
 set(LLVM_CONFIG_EXPORTS "${LLVM_EXPORTS}")
 configure_file(
diff -ru llvm-8.0.0rc1.src.orig/tools/llvm-config/llvm-config.cpp llvm-8.0.0rc1.src/tools/llvm-config/llvm-config.cpp
--- llvm-8.0.0rc1.src.orig/tools/llvm-config/llvm-config.cpp	2019-02-12 11:32:00.617221180 +0000
+++ llvm-8.0.0rc1.src/tools/llvm-config/llvm-config.cpp	2019-02-12 11:34:27.817599362 +0000
@@ -269,7 +269,6 @@
   // tree.
   bool IsInDevelopmentTree;
   enum { CMakeStyle, CMakeBuildModeStyle } DevelopmentTreeLayout;
-  llvm::SmallString<256> CurrentPath(GetExecutablePath(argv[0]));
   std::string CurrentExecPrefix;
   std::string ActiveObjRoot;
 
@@ -280,11 +279,15 @@
     build_mode = CMAKE_CFG_INTDIR;
 #endif
 
-  // Create an absolute path, and pop up one directory (we expect to be inside a
-  // bin dir).
-  sys::fs::make_absolute(CurrentPath);
-  CurrentExecPrefix =
-      sys::path::parent_path(sys::path::parent_path(CurrentPath)).str();
+  // Create an absolute path, and pop up as much directory as in LLVM_TOOLS_INSTALL_DIR
+  {
+    llvm::SmallString<256> CurrentPath(GetExecutablePath(argv[0]));
+    sys::fs::make_absolute(CurrentPath);
+    for (auto iter = sys::path::begin(LLVM_TOOLS_INSTALL_DIR), end = sys::path::end(LLVM_TOOLS_INSTALL_DIR); iter != end; ++iter) {
+      CurrentPath = sys::path::parent_path(CurrentPath).str();
+    }
+    CurrentExecPrefix = sys::path::parent_path(CurrentPath).str();
+  }
 
   // Check to see if we are inside a development tree by comparing to possible
   // locations (prefix style or CMake style).