--- configure.orig2	2019-12-12 09:12:17.000000000 +0300
+++ configure	2020-01-16 10:48:56.442357000 +0300
@@ -17226,7 +17168,8 @@
 					LIBS="$LIBS -L${d}/lib"
 				fi
 				have_libjson="yes"
-			elif test -f "${d}/include/json-c/json.h"
+			fi
+			if test -f "${d}/include/json-c/json.h"
 			then
 				if test ${d} != /usr
 				then
@@ -17244,7 +17187,8 @@
 			libjson_cflags="-I${use_libjson}/include"
 			LIBS="$LIBS -L${use_libjson}/lib"
 			have_libjson="yes"
-		elif test -f "${use_libjson}/include/json-c/json.h"
+		fi
+		if test -f "${use_libjson}/include/json-c/json.h"
 		then
 			libjson_cflags="-I${use_libjson}/include"
 			LIBS="$LIBS -L${use_libjson}/lib"