--- a/cmake/modules/Makefile
+++ b/cmake/modules/Makefile
@@ -62,17 +62,9 @@
 
 LLVM_CONFIG_CODE := \
 \# Compute the CMake directory from the LLVMConfig.cmake file location.\n\
-get_filename_component(_LLVM_CMAKE_DIR "$${CMAKE_CURRENT_LIST_FILE}" PATH)\n\
-\# Compute the installation prefix from the LLVMConfig.cmake file location.\n\
-get_filename_component(LLVM_INSTALL_PREFIX "$${CMAKE_CURRENT_LIST_FILE}" PATH)\n
+get_filename_component(_LLVM_CMAKE_DIR "$${CMAKE_CURRENT_LIST_FILE}" PATH)\n
 
-# Compute number of levels (typically 3 - ``share/llvm/cmake/``) to PROJ_prefix
-# from PROJ_cmake, then emit the appropriate number of calls to
-# get_filename_components(). Note this assumes there are no spaces in the
-# cmake_path_suffix variable.
-cmake_path_suffix := $(subst $(PROJ_prefix),,$(subst $(DESTDIR),,$(PROJ_cmake)))
-cmake_path_dirs := $(subst /, ,$(cmake_path_suffix))
-LLVM_CONFIG_CODE += $(foreach __not_used,$(cmake_path_dirs),get_filename_component(LLVM_INSTALL_PREFIX "$${LLVM_INSTALL_PREFIX}" PATH)\n)
+LLVM_CONFIG_CODE += set(LLVM_INSTALL_PREFIX "$(subst /,\/,$(PROJ_prefix))")\n
 
 LLVM_CONFIG_CODE += set(_LLVM_LIBRARY_DIR "$${LLVM_INSTALL_PREFIX}\/lib")
 
--- a/cmake/modules/CMakeLists.txt
+++ b/cmake/modules/CMakeLists.txt
@@ -47,16 +47,7 @@ file(COPY .
   )
 
 # Generate LLVMConfig.cmake for the install tree.
-set(LLVM_CONFIG_CODE "
-# Compute the installation prefix from this LLVMConfig.cmake file location.
-get_filename_component(LLVM_INSTALL_PREFIX \"\${CMAKE_CURRENT_LIST_FILE}\" PATH)")
-# Construct the proper number of get_filename_component(... PATH)
-# calls to compute the installation prefix.
-string(REGEX REPLACE "/" ";" _count "${LLVM_INSTALL_PACKAGE_DIR}")
-foreach(p ${_count})
-  set(LLVM_CONFIG_CODE "${LLVM_CONFIG_CODE}
-get_filename_component(LLVM_INSTALL_PREFIX \"\${LLVM_INSTALL_PREFIX}\" PATH)")
-endforeach(p)
+set(LLVM_CONFIG_CODE "set(LLVM_INSTALL_PREFIX \"${CMAKE_INSTALL_PREFIX}\")")
 set(LLVM_CONFIG_INCLUDE_DIRS "\${LLVM_INSTALL_PREFIX}/include")
 set(LLVM_CONFIG_LIBRARY_DIRS "\${LLVM_INSTALL_PREFIX}/lib\${LLVM_LIBDIR_SUFFIX}")
 set(LLVM_CONFIG_CMAKE_DIR "\${LLVM_INSTALL_PREFIX}/${LLVM_INSTALL_PACKAGE_DIR}")