libxml2: make build with libiconv optional

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/textproc/libxml2/build

@@ -22,6 +22,10 @@
 
 . config/options $1
 
+if [ "$ICONV" = "libiconv" ]; then
+  CONFIG_LIBXML="--with-iconv"
+fi
+
 cd $PKG_BUILD
 mkdir -p .build-target
 
@@ -32,7 +36,7 @@ cd .build-target
              --sysconfdir=/etc \
              --enable-static \
              --enable-shared \
-             --with-iconv \
+             $CONFIG_LIBXML \
              --disable-ipv6 \
              --without-python \
              --with-zlib

packages/textproc/libxml2/meta

@@ -25,8 +25,8 @@ PKG_ARCH="any"
 PKG_LICENSE="MIT"
 PKG_SITE="http://xmlsoft.org"
 PKG_URL="ftp://xmlsoft.org/libxml2/$PKG_NAME-$PKG_VERSION.tar.gz"
-PKG_DEPENDS="libiconv"
-PKG_BUILD_DEPENDS="toolchain libiconv"
+PKG_DEPENDS="$ICONV"
+PKG_BUILD_DEPENDS="toolchain $ICONV"
 PKG_PRIORITY="optional"
 PKG_SECTION="textproc"
 PKG_SHORTDESC="libxml: XML parser library for Gnome"