enca: make build with libiconv optional

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

packages/other/enca/build

@@ -22,7 +22,10 @@
 
 . config/options $1
 
+if [ "$ICONV" = "libiconv" ]; then
+  CONFIG_ENCA="--with-libiconv-prefix=$SYSROOT_PREFIX/usr"
   export LDFLAGS="$LDFLAGS -liconv"
+fi
 
 cd $PKG_BUILD
 ac_cv_file__dev_random=yes \
@@ -39,7 +42,7 @@ CPPFLAGS="-I$SYSROOT_PREFIX/usr/include" \
             --enable-shared \
             --disable-static \
             --disable-external \
-            --with-libiconv-prefix="$SYSROOT_PREFIX/usr" \
+            $CONFIG_ENCA \
             --without-librecode \
             --disable-rpath \
             --with-gnu-ld

packages/other/enca/meta

@@ -25,8 +25,8 @@ PKG_ARCH="any"
 PKG_LICENSE="GPL"
 PKG_SITE="http://freshmeat.net/projects/enca/"
 PKG_URL="http://dl.cihar.com/enca/$PKG_NAME-$PKG_VERSION.tar.bz2"
-PKG_DEPENDS="libiconv"
-PKG_BUILD_DEPENDS="toolchain libiconv"
+PKG_DEPENDS="$ICONV"
+PKG_BUILD_DEPENDS="toolchain $ICONV"
 PKG_PRIORITY="optional"
 PKG_SECTION="other"
 PKG_SHORTDESC="enca: detects the encoding of text files, on the basis of knowledge of their language."