ProFTPD: Add config option to enable mod_rewrite

[Peter: tweak Config.in text]
Signed-off-by: Stephan Hoffmann <sho@relinux.de>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/proftpd/Config.in

@@ -4,3 +4,9 @@ config BR2_PACKAGE_PROFTPD
 	  ProFTPD, a highly configurable FTP server.
 
 	  http://www.proftpd.org/
+
+config BR2_PACKAGE_PROFTPD_MOD_REWRITE
+	bool "mod_rewrite support"
+	depends on BR2_PACKAGE_PROFTPD
+	help
+	  Compile ProFTPD with mod_rewrite support

package/proftpd/proftpd.mk

@@ -20,6 +20,10 @@ PROFTPD_CONF_OPT = --localstatedir=/var/run \
 		--enable-shadow \
 		--with-gnu-ld
 
+ifeq ($(BR2_PACKAGE_PROFTPD_MOD_REWRITE),y)
+PROFTPD_CONF_OPT += --with-modules=mod_rewrite
+endif
+
 define PROFTPD_MAKENAMES
 	$(MAKE1) CC="$(HOSTCC)" CFLAGS="" LDFLAGS="" -C $(@D)/lib/libcap _makenames
 endef