$NetBSD: patch-src_build-data_makefile_unix.in,v 1.1 2022/04/01 08:00:34 wiz Exp $

--- src/build-data/makefile/unix.in.orig	2016-02-03 07:57:06.000000000 +0000
+++ src/build-data/makefile/unix.in
@@ -12,12 +12,12 @@ VERSION       = %{version}
 SERIES        = %{version_major}.%{version_minor}
 
 # Installation Settings
-DESTDIR       = %{prefix}
+PREFIX       = ${DESTDIR}%{prefix}
 
-BINDIR        = $(DESTDIR)/bin
-LIBDIR        = $(DESTDIR)/%{libdir}
-HEADERDIR     = $(DESTDIR)/%{includedir}/botan-$(SERIES)/botan
-DOCDIR        = $(DESTDIR)/%{docdir}/botan-$(VERSION)
+BINDIR        = $(PREFIX)/bin
+LIBDIR        = $(PREFIX)/%{libdir}
+HEADERDIR     = $(PREFIX)/%{includedir}/botan-$(SERIES)/botan
+DOCDIR        = $(PREFIX)/%{docdir}/botan-$(VERSION)
 PKGCONF_DIR   = $(LIBDIR)/pkgconfig
 
 CONFIG_SCRIPT = %{botan_config}
@@ -89,7 +89,7 @@ distclean: clean
 	$(RM) botan_all.cpp botan_all.h
 
 install: $(LIBRARIES) docs
-	$(ECHO) "Installing Botan into $(DESTDIR)... "
+	$(ECHO) "Installing Botan into $(PREFIX)... "
 	$(MKDIR_INSTALL) $(DOCDIR)
 	$(COPY_R) %{doc_output_dir}/* $(DOCDIR)