ExternalProject: Use CMP0114 NEW behavior with Xcode "new build system"

The ExternalProject module cannot be implemented in the Xcode "new build
system" without using CMP0114's NEW behavior.  When configuring for that
build system, warn if the policy is not set to NEW and use NEW behavior
anyway.
This commit is contained in:
Brad King
2020-09-14 15:05:33 -04:00
parent fe258f6382
commit b8ecd4df5f
12 changed files with 74 additions and 8 deletions
@@ -1,5 +1,8 @@
cmake_minimum_required(VERSION 2.8)
project(ExternalProjectLocalTest NONE)
if(CMAKE_XCODE_BUILD_SYSTEM VERSION_GREATER_EQUAL 12)
cmake_policy(SET CMP0114 NEW)
endif()
include(ExternalProject)