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cmake: Require cmake 3.15 for MSVC

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We need these policies, but we kind of want to avoid requiring cmake
3.15 for all platforms
This commit is contained in:
Scott Mansell 2022-04-29 05:20:16 +12:00 committed by Admiral H. Curtiss
parent 876f6651b4
commit 4db1816368
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GPG Key ID: F051B4C4044F33FB
1 changed files with 17 additions and 6 deletions
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23
CMakeLists.txt
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@ -9,15 +9,19 @@ cmake_minimum_required(VERSION 3.10)
# MacOS prior to 10.14 did not support aligned alloc which is used to implement
# std::unique_ptr in the arm64 C++ standard library. x86_64 builds can override
# this to 10.13.0 using -DCMAKE_OSX_DEPLOYMENT_TARGET="10.13.0" without issue.
# This is done in the universal binary building script to build a binary that
# This is done in the universal binary building script to build a binary that
# runs on 10.13 on x86_64 computers, while still containing an arm64 slice.
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.14.0" CACHE STRING "")
set(CMAKE_USER_MAKE_RULES_OVERRIDE "CMake/FlagsOverride.cmake")
# Required for cmake to select the correct runtime library in MSVC builds.
cmake_policy(SET CMP0091 NEW)
# Optionally enable these polcies so older versions of cmake don't break.
# we only need them for MSVC
if(POLICY CMP0091)
cmake_policy(SET CMP0091 NEW) # MSVC runtime library flags are selected by an abstraction.
cmake_policy(SET CMP0092 NEW) # MSVC warning flags are not in CMAKE_{C,CXX}_FLAGS by default.
endif()
project(dolphin-emu)
@ -81,7 +85,7 @@ endif()
if(APPLE)
option(MACOS_USE_DEFAULT_SEARCH_PATH "Don't prioritize system library paths" OFF)
option(SKIP_POSTPROCESS_BUNDLE "Skip postprocessing bundle for redistributability" OFF)
option(SKIP_POSTPROCESS_BUNDLE "Skip postprocessing bundle for redistributability" OFF)
# Enable adhoc code signing by default (otherwise makefile builds on ARM will not work)
option(MACOS_CODE_SIGNING "Enable codesigning" ON)
set(MACOS_CODE_SIGNING_IDENTITY "-" CACHE STRING "The identity used for codesigning.")
@ -247,7 +251,14 @@ elseif(CMAKE_GENERATOR MATCHES "Visual Studio")
add_compile_options("/MP")
endif()
if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
if(MSVC)
if(POLICY CMP0091)
# cmake is a weird language. You can't do if(not POLICY)
else()
# We really kind of want this policy
message(FATAL_ERROR "please update cmake to at least 3.15")
endif()
check_and_add_flag(EXCEPTIONS /EHsc)
dolphin_compile_definitions(_DEBUG DEBUG_ONLY)
@ -497,7 +508,7 @@ if(ENCODE_FRAMEDUMPS)
endif()
find_package(FFmpeg COMPONENTS avcodec avformat avutil swresample swscale)
if(FFmpeg_FOUND)
if(APPLE)
if(APPLE)
find_library(COREMEDIA_LIBRARY CoreMedia)
find_library(VIDEOTOOLBOX_LIBRARY VideoToolbox)
find_library(COREVIDEO_LIBRARY CoreVideo)