$NetBSD$

Use pkgsrc install macros.

--- Makefile.orig	2025-01-04 16:35:20.000000000 +0000
+++ Makefile
@@ -79,14 +79,15 @@ crossfade: example/crossfade.c $(FAUN_LI
 	$(CC) -Wall -W $< $(CFLAGS) -I. -L. -lfaun $(DEP_STATIC) $(LDFLAGS) -o $@
 
 install:
-	mkdir -p $(DESTDIR)/include $(LIB_DIR)
-	install -m 644 faun.h $(DESTDIR)/include
+	$(BSD_INSTALL_DATA_DIR) $(DESTDIR)$(PREFIX)/include
+	$(BSD_INSTALL_LIB_DIR) $(DESTDIR)$(PREFIX)/lib
+	$(BSD_INSTALL_DATA) faun.h $(DESTDIR)$(PREFIX)/include
 ifdef STATIC_LIB
-	install -m 644 $(FAUN_LIB) $(LIB_DIR)
+	$(BSD_INSTALL_LIB) $(FAUN_LIB) $(DESTDIR)$(PREFIX)/lib
 else
-	install -m 755 $(FAUN_LIB) $(LIB_DIR)
-	ln -s $(FAUN_LIB) $(LIB_DIR)/$(FAUN_SO)
-	ln -s $(FAUN_LIB) $(LIB_DIR)/libfaun.so
+	$(BSD_INSTALL_LIB) $(FAUN_LIB) $(DESTDIR)$(PREFIX)/lib
+	ln -s $(FAUN_LIB) $(DESTDIR)$(PREFIX)/lib/$(FAUN_SO)
+	ln -s $(FAUN_LIB) $(DESTDIR)$(PREFIX)/lib/libfaun.so
 endif
 
 clean: