diff -aur occt-V7_1_0/CMakeLists.txt occt-V7_1_0.new/CMakeLists.txt
--- occt-V7_1_0/CMakeLists.txt	2016-11-25 11:50:18.000000000 +0100
+++ occt-V7_1_0.new/CMakeLists.txt	2017-03-18 08:44:10.406668714 +0100
@@ -906,7 +906,7 @@
 endforeach()
 # install OpenCASCADE config file with compile definitions and C/C++ flags ONLY for current configuration
 install (CODE "string (TOLOWER \"\${CMAKE_INSTALL_CONFIG_NAME}\" CMAKE_INSTALL_CONFIG_NAME_LOWER)")
-install (CODE "configure_file(\"${CMAKE_BINARY_DIR}/OpenCASCADECompileDefinitionsAndFlags-\${CMAKE_INSTALL_CONFIG_NAME_LOWER}.cmake\" \"${INSTALL_DIR}/${INSTALL_DIR_CMAKE}/OpenCASCADECompileDefinitionsAndFlags-\${CMAKE_INSTALL_CONFIG_NAME_LOWER}.cmake\" COPYONLY)")
+install (CODE "configure_file(\"${CMAKE_BINARY_DIR}/OpenCASCADECompileDefinitionsAndFlags-\${CMAKE_INSTALL_CONFIG_NAME_LOWER}.cmake\" \"\$ENV{DESTDIR}${INSTALL_DIR}/${INSTALL_DIR_CMAKE}/OpenCASCADECompileDefinitionsAndFlags-\${CMAKE_INSTALL_CONFIG_NAME_LOWER}.cmake\" COPYONLY)")
 
 foreach (OCCT_MODULE ${OCCT_MODULES})
   if (BUILD_MODULE_${OCCT_MODULE})
diff -aur occt-V7_1_0/adm/cmake/occt_macros.cmake occt-V7_1_0.new/adm/cmake/occt_macros.cmake
--- occt-V7_1_0/adm/cmake/occt_macros.cmake	2016-11-25 11:50:18.000000000 +0100
+++ occt-V7_1_0.new/adm/cmake/occt_macros.cmake	2017-03-18 08:44:10.406668714 +0100
@@ -558,7 +558,7 @@
   "cmake_policy(PUSH)
   cmake_policy(SET CMP0007 NEW)
   string (TOLOWER \"\${CMAKE_INSTALL_CONFIG_NAME}\" CMAKE_INSTALL_CONFIG_NAME_LOWERCASE)
-  file (GLOB ALL_OCCT_TARGET_FILES \"${INSTALL_DIR}/${INSTALL_DIR_CMAKE}/OpenCASCADE*Targets-\${CMAKE_INSTALL_CONFIG_NAME_LOWERCASE}.cmake\")
+  file (GLOB ALL_OCCT_TARGET_FILES \"\$ENV{DESTDIR}${INSTALL_DIR}/${INSTALL_DIR_CMAKE}/OpenCASCADE*Targets-\${CMAKE_INSTALL_CONFIG_NAME_LOWERCASE}.cmake\")
   foreach(TARGET_FILENAME \${ALL_OCCT_TARGET_FILES})
     file (STRINGS \"\${TARGET_FILENAME}\" TARGET_FILE_CONTENT)
     file (REMOVE \"\${TARGET_FILENAME}\")