From: Guy Harris <guy@alum.mit.edu>
Date: Wed, 30 Oct 2019 03:09:14 +0000 (-0700)
Subject: Require CMake 3.12 or later on Windows.
X-Git-Tag: tcpdump-4.99-bp~618
X-Git-Url: https://git.tcpdump.org/tcpdump/commitdiff_plain/42ddfda12ddbbafdb8c6e5ddafe4850aac7726fa

Require CMake 3.12 or later on Windows.

We require it for policy CMP0074, so the user can tell CMake where the
Npcap or WinPcap SDK is hiding with -DPCAP_ROOT=.
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3f9dd836..3d2ab654 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,11 @@
-cmake_minimum_required(VERSION 2.8.6)
+if(WIN32)
+    #
+    # We need 3.12 or later, so that we can set policy CMP0074; see
+    # below.
+    cmake_minimum_required(VERSION 3.12)
+else(WIN32)
+    cmake_minimum_required(VERSION 2.8.6)
+endif(WIN32)
 
 #
 # We want find_path() and find_library() to honor {packagename}_ROOT,