package/libtirpc: Add optional GSSAPI 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/libtirpc/Config.in

@@ -7,5 +7,13 @@ config BR2_PACKAGE_LIBTIRPC
 
 	  http://sourceforge.net/projects/libtirpc/
 
+config BR2_PACKAGE_LIBTIRPC_GSS
+	bool "gss"
+	depends on BR2_USE_MMU # libkrb5
+	depends on BR2_PACKAGE_LIBTIRPC
+	select BR2_PACKAGE_LIBKRB5
+	help
+	  Enable GSSAPI support
+
 comment "libtirpc needs a toolchain w/ threads"
 	depends on !BR2_TOOLCHAIN_HAS_THREADS

package/libtirpc/libtirpc.mk

@@ -16,7 +16,13 @@ LIBTIRPC_INSTALL_STAGING = YES
 # getrpcby{number,name} are only provided if 'GQ' is defined
 LIBTIRPC_CONF_ENV = CFLAGS="$(TARGET_CFLAGS) -DGQ"
 
-LIBTIRPC_CONF_OPTS = --disable-gssapi
+ifeq ($(BR2_PACKAGE_LIBTIRPC_GSS),y)
+LIBTIRPC_CONF_ENV += KRB5_CONFIG=$(STAGING_DIR)/usr/bin/krb5-config
+LIBTIRPC_CONF_OPTS += --enable-gssapi
+LIBTIRPC_DEPENDENCIES += libkrb5
+else
+LIBTIRPC_CONF_OPTS += --disable-gssapi
+endif
 HOST_LIBTIRPC_CONF_OPTS = --disable-gssapi
 
 $(eval $(autotools-package))