package/nfs-utils: Add optional GSS support

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Reviewed-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/nfs-utils/Config.in

@@ -26,6 +26,13 @@ config BR2_PACKAGE_NFS_UTILS_NFSV4
 	help
 	  Enable NFSv4/NFSv4.1 support
 
+config BR2_PACKAGE_NFS_UTILS_GSS
+	bool "gss"
+	depends on BR2_PACKAGE_NFS_UTILS_NFSV4
+	select BR2_PACKAGE_LIBTIRPC_GSS
+	help
+	  Enable GSS support
+
 config BR2_PACKAGE_NFS_UTILS_RPCDEBUG
 	bool "rpcdebug"
 	help

package/nfs-utils/nfs-utils.mk

@@ -16,7 +16,6 @@ NFS_UTILS_AUTORECONF = YES
 NFS_UTILS_CONF_ENV = knfsd_cv_bsd_signals=no
 
 NFS_UTILS_CONF_OPTS = \
-	--disable-gss \
 	--enable-tirpc \
 	--enable-ipv6 \
 	--without-tcp-wrappers \
@@ -52,6 +51,16 @@ else
 NFS_UTILS_CONF_OPTS += --disable-nfsv4 --disable-nfsv41
 endif
 
+ifeq ($(BR2_PACKAGE_NFS_UTILS_GSS),y)
+NFS_UTILS_CONF_OPTS += \
+	--enable-gss \
+	--enable-svcgss \
+	--with-krb5=$(STAGING_DIR)/usr
+NFS_UTILS_DEPENDENCIES += libkrb5
+else
+NFS_UTILS_CONF_OPTS += --disable-gss --disable-svcgss
+endif
+
 ifeq ($(BR2_PACKAGE_LIBCAP),y)
 NFS_UTILS_CONF_OPTS += --enable-caps
 NFS_UTILS_DEPENDENCIES += libcap