fdisk: initial stab at GPT partition support

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/util-linux/Config.src b/util-linux/Config.src
index afa3092..19b309e 100644
--- a/util-linux/Config.src
+++ b/util-linux/Config.src
@@ -181,6 +181,14 @@
 	  Enabling this option allows you to create or change BSD disklabels
 	  and define and edit BSD disk slices.
 
+config FEATURE_GPT_LABEL
+	bool "Support GPT disklabels"
+	default n
+	depends on FDISK && FEATURE_FDISK_WRITABLE
+	help
+	  Enabling this option allows you to view GUID Partition Table
+	  disklabels.
+
 config FEATURE_FDISK_ADVANCED
 	bool "Support expert mode"
 	default y