$NetBSD$

Honor LDFLAGS for RELRO builds.

--- is_utf8/Makefile.orig	2016-08-13 13:58:21.000000000 +0000
+++ is_utf8/Makefile
@@ -41,10 +41,10 @@ CC = gcc
 CFLAGS = -O3 -Wextra -Wall -ansi -Wstrict-prototypes
 
 $(NAME): $(OBJ)
-	$(CC) $(CFLAGS) -o $(NAME) $(OBJ)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $(NAME) $(OBJ)
 
 IS_UTF8_LIB:
-	$(CC) --shared -fPIC $(CFLAGS) $(LIB_SRC) -o $(LINKERNAME)
+	$(CC) --shared -fPIC $(CFLAGS) $(LDFLAGS) $(LIB_SRC) -o $(LINKERNAME)
 
 all:
 		@make $(NAME)
