$NetBSD: patch-ab,v 1.2 2025/08/19 13:21:25 wiz Exp $

Fix build with cmake 4.
Fix installation target.

--- CMakeLists.txt.orig	2007-03-16 06:17:17.000000000 +0000
+++ CMakeLists.txt
@@ -1,10 +1,11 @@
 PROJECT (PerceptualDiff)
+cmake_minimum_required(VERSION 3.5)
 SET(DIFF_SRC PerceptualDiff.cpp LPyramid.cpp RGBAImage.cpp
 CompareArgs.cpp Metric.cpp)
 
 ADD_EXECUTABLE (perceptualdiff ${DIFF_SRC})
 
-INSTALL(FILES perceptualdiff DESTINATION bin)
+INSTALL(TARGETS perceptualdiff DESTINATION bin)
 
 # look for libtiff
 FIND_PATH(TIFF_INCLUDE_DIR tiff.h