diff -rupN qt-creator-opensource-src-4.14.0/cmake/QtCreatorAPIInternal.cmake qt-creator-opensource-src-4.14.0-new/cmake/QtCreatorAPIInternal.cmake
--- qt-creator-opensource-src-4.14.0/cmake/QtCreatorAPIInternal.cmake	2020-12-17 09:52:31.000000000 +0100
+++ qt-creator-opensource-src-4.14.0-new/cmake/QtCreatorAPIInternal.cmake	2020-12-29 21:02:12.424396584 +0100
@@ -51,9 +51,9 @@ else ()
   set(_IDE_APP_PATH "bin")
   set(_IDE_APP_TARGET "${IDE_ID}")
 
-  set(_IDE_LIBRARY_BASE_PATH "lib")
-  set(_IDE_LIBRARY_PATH "lib/qtcreator")
-  set(_IDE_PLUGIN_PATH "lib/qtcreator/plugins")
+  set(_IDE_LIBRARY_BASE_PATH "lib${LIB_SUFFIX}")
+  set(_IDE_LIBRARY_PATH "lib${LIB_SUFFIX}/qtcreator")
+  set(_IDE_PLUGIN_PATH "lib${LIB_SUFFIX}/qtcreator/plugins")
   if (WIN32)
     set(_IDE_LIBEXEC_PATH "bin")
     set(QT_DEST_PLUGIN_PATH "bin/plugins")