--- qwtconfig.pri.orig	2016-06-13 00:14:23.000000000 -0700
+++ qwtconfig.pri	2017-01-03 10:31:12.000000000 -0700
@@ -18,19 +18,19 @@
 
 QWT_INSTALL_PREFIX = $$[QT_INSTALL_PREFIX]
 
-unix {
-    QWT_INSTALL_PREFIX    = /usr/local/qwt-$$QWT_VERSION
-    # QWT_INSTALL_PREFIX = /usr/local/qwt-$$QWT_VERSION-qt-$$QT_VERSION
-}
+#unix {
+#    QWT_INSTALL_PREFIX    = /usr/local/qwt-$$QWT_VERSION
+#    # QWT_INSTALL_PREFIX = /usr/local/qwt-$$QWT_VERSION-qt-$$QT_VERSION
+#}
 
 win32 {
     QWT_INSTALL_PREFIX    = C:/Qwt-$$QWT_VERSION
     # QWT_INSTALL_PREFIX = C:/Qwt-$$QWT_VERSION-qt-$$QT_VERSION
 }
 
-QWT_INSTALL_DOCS      = $${QWT_INSTALL_PREFIX}/doc
-QWT_INSTALL_HEADERS   = $${QWT_INSTALL_PREFIX}/include
-QWT_INSTALL_LIBS      = $${QWT_INSTALL_PREFIX}/lib
+QWT_INSTALL_DOCS      = $$[QT_INSTALL_DOCS]/qwt
+QWT_INSTALL_HEADERS   = $$[QT_INSTALL_HEADERS]
+QWT_INSTALL_LIBS      = $$[QT_INSTALL_LIBS]
 
 ######################################################################
 # Designer plugin
@@ -42,7 +42,7 @@
 # runtime environment of designer/creator.
 ######################################################################
 
-QWT_INSTALL_PLUGINS   = $${QWT_INSTALL_PREFIX}/plugins/designer
+QWT_INSTALL_PLUGINS   = $$[QT_INSTALL_PLUGINS]/designer
 
 # linux distributors often organize the Qt installation
 # their way and QT_INSTALL_PREFIX doesn't offer a good
@@ -63,7 +63,7 @@
 # with every Qt upgrade.
 ######################################################################
 
-QWT_INSTALL_FEATURES  = $${QWT_INSTALL_PREFIX}/features
+QWT_INSTALL_FEATURES  = $${QWT_INSTALL_PREFIX}/mkspecs/features
 # QWT_INSTALL_FEATURES  = $$[QT_INSTALL_PREFIX]/features
 
 ######################################################################