From 4660bc1c786b5f9d3fed74b6b51a8ba3e468d7e4 Mon Sep 17 00:00:00 2001
From: Yuri Kunde Schlesner <yuriks@yuriks.net>
Date: Sat, 27 May 2017 19:05:50 -0700
Subject: CMake: Use IMPORTED target for libpng

---
 CMakeLists.txt | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 121b0f2f8..100fd9a62 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
-# CMake 3.2 required for cmake to know the right flags for CXX standard on OSX
-cmake_minimum_required(VERSION 3.2)
+# CMake 3.5 required for support for IMPORTED find_package libraries
+cmake_minimum_required(VERSION 3.5)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/CMakeModules)
 
 function(download_bundled_external remote_path lib_name prefix_var)
@@ -131,9 +131,7 @@ set_property(DIRECTORY APPEND PROPERTY
     COMPILE_DEFINITIONS $<$<CONFIG:Debug>:_DEBUG> $<$<NOT:$<CONFIG:Debug>>:NDEBUG>)
 
 find_package(PNG QUIET)
-if (PNG_FOUND)
-    add_definitions(-DHAVE_PNG)
-else()
+if (NOT PNG_FOUND)
     message(STATUS "libpng not found. Some debugging features have been disabled.")
 endif()
 
-- 
cgit v1.2.3