$NetBSD: patch-Makefile,v 1.4 2025/04/27 17:46:01 thorpej Exp $

- Conditionally set MAN_INSTDIR as with MANDIR.

--- Makefile.orig	2025-04-27 16:24:26
+++ Makefile	2025-04-27 16:25:30
@@ -77,7 +77,7 @@ MAN_INSTDIR=$(DESTDIR)$(PREFIX)/share/man/man1
 LIB_INSTDIR=$(DESTDIR)$(PREFIX)/lib
 SHARE_INSTDIR=$(DESTDIR)$(PREFIX)/share/minipro
 INCLUDE_INSTDIR=$(DESTDIR)$(PREFIX)/include/libminipro
-MAN_INSTDIR=$(DESTDIR)$(PREFIX)/share/man/man1
+MAN_INSTDIR ?= $(DESTDIR)$(PREFIX)/share/man/man1
 
 UDEV_DIR=$(shell $(PKG_CONFIG) --define-variable=prefix=$(PREFIX) --silence-errors --variable=udevdir udev)
 UDEV_RULES_INSTDIR=$(DESTDIR)$(UDEV_DIR)/rules.d