--- portage/eclass/qt4-build.eclass	2010-07-08 18:05:52.000000000 +0200
+++ local/portage/eclass/qt4-build.eclass	2010-07-10 18:59:20.000000000 +0200
@@ -285,6 +285,10 @@
 	# strip predefined CFLAGS from qmake ( bug #312689 )
 	sed -i '/^QMAKE_CFLAGS_\(RELEASE\|DEBUG\)/s:+=.*:+=:' mkspecs/common/g++.conf
 
+	if tc-is-cross-compiler ; then #add a new target for cross-compilation 
+		cp -R ${FILESDIR}/linux-cross-g++ ${S}/mkspecs
+	fi
+
 	base_src_prepare
 }
 
@@ -300,6 +304,8 @@
 	use !elibc_glibc && [[ ${CHOST} != *-darwin* ]] && \
 		myconf+=" -liconv"
 
+	tc-is-cross-compiler && myconf="${myconf} -xplatform linux-cross-g++"
+
 	if has glib ${IUSE//+} && use glib; then
 		# use -I, -L and -l from configure
 		local glibflags="$(pkg-config --cflags --libs glib-2.0 gthread-2.0)"
@@ -497,7 +503,11 @@
 			echo "${S}"/mkspecs/common/*.conf
 			find "${S}" -name '*.pr[io]'
 		} | xargs sed -i -e "s:\$\$\[QT_INSTALL_LIBS\]:${EPREFIX}/usr/$(get_libdir)/qt4:g" || die
+		if tc-is-cross-compiler ; then 
+			"${S}"/bin/qmake "LIBS+=-L${ROOT}/usr/$(get_libdir)/qt4" "CONFIG+=nostrip" || die "qmake failed"
+		else
 		"${S}"/bin/qmake "LIBS+=-L${QTLIBDIR}" "CONFIG+=nostrip" || die "qmake failed"
+		fi
 		emake CC="$(tc-getCC)" \
 			CXX="$(tc-getCXX)" \
 			LINK="$(tc-getCXX)" || die "emake failed"