diff -up qwt-6.1.0/src/src.pro.pkgconfig qwt-6.1.0/src/src.pro
--- qwt-6.1.0/src/src.pro.pkgconfig	2013-05-30 10:18:27.693341940 -0500
+++ qwt-6.1.0/src/src.pro	2013-10-29 10:04:22.131359701 -0500
@@ -17,6 +17,15 @@ include( $${QWT_ROOT}/qwtfunctions.pri )
 TEMPLATE          = lib
 TARGET            = $$qwtLibraryTarget(qwt)
 
+# pkgconfig support
+CONFIG     += create_pc create_prl no_install_prl
+QMAKE_PKGCONFIG_NAME = qwt
+QMAKE_PKGCONFIG_DESCRIPTION = Qt Widgets for Technical Applications
+QMAKE_PKGCONFIG_LIBDIR = $${QWT_INSTALL_LIBS}
+QMAKE_PKGCONFIG_INCDIR = $${QWT_INSTALL_HEADERS}
+QMAKE_PKGCONFIG_REQUIRES = QtGui QtSvg
+QMAKE_PKGCONFIG_DESTDIR = pkgconfig
+
 DESTDIR           = $${QWT_ROOT}/lib
 
 contains(QWT_CONFIG, QwtDll) {