qt4: define _BSD_SOURCE and try to fix some policy warnings.

dev-qt/libqt4/libqt4-4.8.6.4.recipe

@@ -9,7 +9,7 @@ CHECKSUM_SHA256="83bb4d74ac48443936cb497a1b53dd5683800426e829f8767cd554905d45ac6
 SOURCE_DIR="qt4-4.8.6-haiku-4"
 LICENSE="GNU LGPL v2.1"
 COPYRIGHT="2014 Digia Plc and/or its subsidiary(-ies)."
-REVISION="1"
+REVISION="2"
 ARCHITECTURES="x86 ?x86_64"
 if [ $effectiveTargetArchitecture != x86_gcc2 ]; then
     # x86_gcc2 is fine as primary target architecture as long as we're building
@@ -56,6 +56,8 @@ REQUIRES="
 	lib:libjpeg$secondaryArchSuffix
 	lib:libpng$secondaryArchSuffix
 	lib:libtiff$secondaryArchSuffix
+	lib:libgcc_s$secondaryArchSuffix
+	lib:libstdc++$secondaryArchSuffix
 	"
 
 BUILD_REQUIRES="
@@ -82,7 +84,12 @@ BUILD_PREREQUIRES="
 	"
 
 if [ $targetArchitecture = x86_gcc2 ]; then
+	# qsystray is a deskbar replicant, it is always built for the native architecture.
 	BUILD_PREREQUIRES="$BUILD_PREREQUIRES cmd:g++"
+	REQUIRES="$REQUIRES
+		haiku
+		lib:libstdc++.r4
+	"
 fi
 
 PROVIDES_devel="
@@ -144,12 +151,14 @@ REQUIRES_devel="
 	lib:libz$secondaryArchSuffix
 	lib:libssl$secondaryArchSuffix
 	lib:libcrypto$secondaryArchSuffix
+	lib:libgcc_s$secondaryArchSuffix
+	lib:libstdc++$secondaryArchSuffix
 	"
 
 BUILD()
 {
 	# not an autotools configure
-	./configure \
+	CFLAGS=-D_BSD_SOURCE CXXFLAGS=-D_BSD_SOURCE ./configure \
 		-prefix $prefix \
 		-bindir $binDir \
 		-libdir $libDir \