package/hiawatha: enable optional xslt support

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/hiawatha/hiawatha.mk

@@ -17,9 +17,15 @@ else
 HIAWATHA_CONF_OPTS += -DENABLE_TLS=OFF
 endif
 
+ifeq ($(BR2_PACKAGE_LIBXSLT),y)
+HIAWATHA_CONF_OPTS += -DENABLE_XSLT=ON
+HIAWATHA_DEPENDENCIES += libxslt
+else
+HIAWATHA_CONF_OPTS += -DENABLE_XSLT=OFF
+endif
+
 HIAWATHA_CONF_OPTS += \
 	-DENABLE_TOOLKIT=OFF \
-	-DENABLE_XSLT=OFF \
 	-DCONFIG_DIR=/etc/hiawatha \
 	-DLOG_DIR=/var/log \
 	-DPID_DIR=/var/run \