From 9a4ba891a9fdc8a8cb4302b7595110ed781246d5 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Tue, 09 Apr 2019 23:54:48 -0400
Subject: configure.ac: Configure usign

---
diff --git a/configure.ac b/configure.ac
index f486c94..600820f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -169,3 +169,38 @@ AC_CONFIG_FILES([Makefile])
 AC_CONFIG_FILES([config.sh])
 AC_CONFIG_FILES([tests/aux/defs.sh])
 AC_OUTPUT()
+
+#
+# usign
+#
+AC_ARG_WITH(
+	[cmake],
+	[AS_HELP_STRING([--with-cmake=PATH], [path to cmake utility])],
+	[
+		case "${withval}" in
+			'yes'|'')
+				AC_MSG_ERROR(
+					[--with-cmake requires an argument])
+				;;
+			'no')
+				AC_MSG_ERROR([cmake is required])
+				;;
+			*)
+				CMAKE="${withval}"
+				AC_SUBST([CMAKE])
+				;;
+		esac
+	],
+	[
+		AC_PATH_PROG([CMAKE], [cmake])
+		if test -z "${CMAKE}"; then
+			AC_MSG_ERROR([cmake not found])
+		fi
+	]
+)
+AS_MKDIR_P([3rdparty/usign])
+abs_srcdir="$(cd "${srcdir}" && pwd)"
+(
+	cd 3rdparty/usign
+	"${CMAKE}" -D USE_LIBUBOX:BOOL=OFF "${abs_srcdir}/3rdparty/usign"
+)
--
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