diff --git a/srcpkgs/flightgear/template b/srcpkgs/flightgear/template
index bce02d4bd12..831db2ea6eb 100644
--- a/srcpkgs/flightgear/template
+++ b/srcpkgs/flightgear/template
@@ -1,6 +1,6 @@
 # Template file for 'flightgear'
 pkgname=flightgear
-version=2016.4.2
+version=2016.4.3
 revision=1
 build_style=cmake
 configure_args="-DFG_DATA_DIR:STRING=/usr/share/flightgear/fgdata"
@@ -17,8 +17,8 @@ distfiles="
  $SOURCEFORGE_SITE/project/flightgear/release-${version%.*}/${pkgname}-${version}.tar.bz2
  $SOURCEFORGE_SITE/project/flightgear/release-${version%.*}/FlightGear-${version}-data.tar.bz2"
 checksum="
- c42f3b6e3f5f15fa0b9f5b56682d50319c648f45a4671d5b58d82f2468f793b7
- f2303d4c2c9884d4858c86e1d8470af87cc1798cda482c50acff0bd8e70a2f73"
+ 35a9c439265e4a9caf794458bb42917d93280b2e561cc7b9a02aaba1226d2822
+ e4f6b26624af3fa6cf874077a8fe2f57fc298d124a7899731946a593cd73c4f3"
 
 build_options="qt"
 build_options_default="qt"
@@ -26,6 +26,16 @@ if [ "$CROSS_BUILD" ]; then
 	configure_args+=" -DSIMGEAR_COMPILE_TEST_EXITCODE=0"
 	hostmakedepends+=" qt5-host-tools $(vopt_if qt qt5-devel)"
 fi
+# Suppress warnings regarding auto_ptr
+CXXFLAGS="-Wno-deprecated-declarations"
+
+post_configure() {
+	if [ -n "$CROSS_BUILD" ]; then
+		# Remove "-isystem ${XBPS_CROSS_BASE}/usr/include" from Makefiles
+		find ${wrksrc}/build -iname flags.make -exec sed -i "{}" \
+			-e "s;-isystem ${XBPS_CROSS_BASE}/usr/include ; ;g" \;
+	fi
+}
 
 post_install() {
 	vinstall package/flightgear.desktop 644 usr/share/applications