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Merge pull request #1693 from relapids/cmake_msvc_runtime 

Fix MSVC runtime library handling in CMakeLists. (#1692)
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lazymio 2022-08-31 22:06:35 +08:00 committed by GitHub
parent 3c17f7c87e a0eb240a29
commit bc74ea2fe8
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1 changed files with 19 additions and 10 deletions
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29
CMakeLists.txt
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@ -3,16 +3,18 @@
cmake_minimum_required(VERSION 3.1)
if(MSVC)
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.15")
# set all policies to max supported by actual running cmake version
# mainly want the following:
# CMP0091: prevent msvcrt flags being added to default CMAKE_<LANG>_FLAGS_<CONFIG>
# CMP0092: prevent warning flags being added to default CMAKE_<LANG>_FLAGS
cmake_policy(VERSION ${CMAKE_VERSION})
else()
message(FATAL_ERROR "please update cmake")
endif()
# Only required for MSVC, but we can't know the compiler at this point because we haven't
# called enable_language() or project(), and if we did that it would lock in the old
# policy. Setting these policies is harmless for non-MSVC though, so just enable them
# always.
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.15")
# Set explicitly the policies we want rather than raising the base to the current
# version. This prevents unintended behavior changes as CMake evolves and provides a
# consistent experience across different CMake versions.
# CMP0091: prevent msvcrt flags being added to default CMAKE_<LANG>_FLAGS_<CONFIG>
cmake_policy(SET CMP0091 NEW)
# CMP0092: prevent warning flags being added to default CMAKE_<LANG>_FLAGS for MSVC
cmake_policy(SET CMP0092 NEW)
endif()
# Workaround to fix wrong compiler on macos.
@ -31,6 +33,13 @@ endif()
project(unicorn C)
# We depend on the availability of the CMAKE_MSVC_RUNTIME_LIBRARY, which is only
# available in CMake 3.15 and above (see also the comments above in regards to policy
# CMP0091).
if(MSVC AND CMAKE_VERSION VERSION_LESS "3.15")
message(FATAL_ERROR "Please update CMake to 3.15 or greater.")
endif()
# mainline qemu mostly just uses compiler default
set(CMAKE_C_STANDARD 11)