libgphoto2: cross build support: split udev rules into its own subpkg.

srcpkgs/libgphoto2-udev-rules

@@ -0,0 +1 @@
+libgphoto2

srcpkgs/libgphoto2/template

@@ -1,11 +1,12 @@
 # Template file for 'libgphoto2'
 pkgname=libgphoto2
 version=2.4.14
-revision=7
+revision=8
 build_style=gnu-configure
 configure_args="--disable-static --disable-rpath udevscriptdir=/usr/lib/udev"
-hostmakedepends="pkg-config"
+hostmakedepends="automake libtool pkg-config gettext-devel"
 makedepends="libltdl-devel libusb-compat-devel libjpeg-turbo-devel gd-devel>=2.1.0 libexif-devel"
+depends="${pkgname}-udev-rules-${version}_${revision}"
 short_desc="Digital camera access library"
 maintainer="Juan RP <xtraeme@gmail.com>"
 license="GPL-2"
@@ -13,22 +14,41 @@ homepage="http://www.gphoto.org"
 distfiles="${SOURCEFORGE_SITE}/gphoto/$pkgname-$version.tar.bz2"
 checksum=59b32d45252f67d066cc3bda7a59f8078e0cf4e7f23590a4b621633e81060292
 
+pre_configure() {
+	autoreconf -fi
+}
+
 post_install() {
 	# Remove unused udev helper
 	rm -rf ${DESTDIR}/usr/lib/udev
 
+	# Remove recursive symlink
+	rm -f ${DESTDIR}/usr/include/gphoto2/gphoto2
+
+	if [ "$CROSS_BUILD" ]; then
+		return 0
+	fi
+
 	vmkdir usr/lib/udev/rules.d
 	LD_LIBRARY_PATH="${DESTDIR}/usr/lib${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH" \
 		CAMLIBS="${DESTDIR}/usr/lib/libgphoto2/${version}" \
 		"${DESTDIR}/usr/lib/libgphoto2/print-camera-list" udev-rules version 136 > \
 		"${DESTDIR}/usr/lib/udev/rules.d/40-gphoto.rules"
-
-	# Remove recursive symlink
-	rm -f ${DESTDIR}/usr/include/gphoto2/gphoto2
 }
 
+if [ -z "$CROSS_BUILD" ]; then
+	libgphoto2-udev-rules_package() {
+		replaces="libgphoto2<2.4.14_8"
+		short_desc+=" - udev rules"
+		noarch=yes
+		pkg_install() {
+			vmove usr/lib/udev/rules.d
+		}
+	}
+fi # CROSS_BUILD
+
 libgphoto2-devel_package() {
-	depends="libexif-devel libusb-compat-devel libgphoto2>=${version}"
+	depends="libexif-devel libusb-compat-devel libgphoto2>=${version}_${revision}"
 	short_desc+=" - development files"
 	pkg_install() {
 		vmove usr/bin