$NetBSD: patch-Makefile,v 1.1 2020/11/20 14:36:07 nia Exp $

Fix "unable to infer tagged configuration" errors.

--- Makefile.orig	2020-11-20 14:32:34.148457790 +0000
+++ Makefile
@@ -26,7 +26,7 @@ RM?=		rm
 .PHONY: all clean install
 
 .c.lo:
-	${LIBTOOL} --mode=compile ${CC} -o $@ -c ${CFLAGS} ${CPPFLAGS} $<
+	${LIBTOOL} --mode=compile --tag=CC ${CC} -o $@ -c ${CFLAGS} ${CPPFLAGS} $<
 
 all: ${LIB}.la
 
@@ -39,5 +39,5 @@ install:
 	${LIBTOOL} --mode=install ${BSD_INSTALL_LIB} ${LIB}.la ${DESTDIR}${LIBDIR}/${LIB}.la
 
 ${LIB}.la: ${OBJS}
-	${LIBTOOL} --mode=link ${CC} -o $@ ${CFLAGS} ${LDFLAGS} \
+	${LIBTOOL} --mode=link --tag=CC ${CC} -o $@ ${CFLAGS} ${LDFLAGS} \
 	    -rpath ${LIBDIR} -version-info ${LIB_VER} ${OBJS} ${LIBS}