From 3f55dfa20e67152fb9876b3143ea64f44e82886f Mon Sep 17 00:00:00 2001
From: Tomasz Lemiech <szpajder@gmail.com>
Date: Sun, 6 Mar 2022 21:10:57 +0100
Subject: [PATCH] Force using ZLIB_ROOT when searching for zlib with
 find_package

This has to be enabled explicitly since CMake 3.12.
---
 libacars/CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libacars/CMakeLists.txt b/libacars/CMakeLists.txt
index c24fd6e..7a97a2e 100644
--- a/libacars/CMakeLists.txt
+++ b/libacars/CMakeLists.txt
@@ -4,6 +4,10 @@ include(TestBigEndian)
 include(CheckSymbolExists)
 include(CheckPrototypeDefinition)
 
+# Use ZLIB_ROOT when searching for zlib with find_package
+# This is used when making Win32 binary releases.
+cmake_policy(SET CMP0074 NEW)
+
 # Check if LD supports linker scripts.
 file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/conftest.ldscript" "VERS_1 {
   global: sym;