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Avoid D9025 warning by not adding /W3 by default using CMP0092 policy

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See https://gitlab.kitware.com/cmake/cmake/-/issues/18317

Set policies before declaring the project otherwise they might not take effect.
Specifically CMP0092 does not have effect added after project.
This commit is contained in:
elsid 2022-06-15 10:47:49 +02:00
parent 81e1d72c64
commit a40ec4edd6
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1 changed files with 15 additions and 8 deletions
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23
CMakeLists.txt
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@ -1,25 +1,32 @@
project(OpenMW)
cmake_minimum_required(VERSION 3.1.0)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
include(GNUInstallDirs)
# for link time optimization, remove if cmake version is >= 3.9
if(POLICY CMP0069) # LTO
cmake_policy(SET CMP0069 NEW)
cmake_policy(SET CMP0069 NEW)
endif()
# for position-independent executable, remove if cmake version is >= 3.14
if(POLICY CMP0083)
cmake_policy(SET CMP0083 NEW)
cmake_policy(SET CMP0083 NEW)
endif()
# to link with freetype library
if(POLICY CMP0079)
cmake_policy(SET CMP0079 NEW)
cmake_policy(SET CMP0079 NEW)
endif()
# don't add /W3 flag by default for MSVC
if(POLICY CMP0092)
cmake_policy(SET CMP0092 NEW)
endif()
project(OpenMW)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
include(GNUInstallDirs)
option(OPENMW_GL4ES_MANUAL_INIT "Manually initialize gl4es. This is more reliable on platforms without a windowing system. Requires gl4es to be configured with -DNOEGL=ON -DNO_LOADER=ON -DNO_INIT_CONSTRUCTOR=ON." OFF)
if(OPENMW_GL4ES_MANUAL_INIT)
add_definitions(-DOPENMW_GL4ES_MANUAL_INIT)