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Retire VS2015 Support

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As proposed here: https://lists.llvm.org/pipermail/llvm-dev/2019-June/133147.html

This patch raises the minimum supported version to build LLVM/Clang to Visual Studio 2017.

Differential Revision: https://reviews.llvm.org/D64326

llvm-svn: 365452
This commit is contained in:
Simon Pilgrim 2019-07-09 10:10:48 +00:00
parent 4e9a0102ed
commit 18c641f2b8
4 changed files with 14 additions and 5 deletions
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5
cmake/modules/CheckCompilerVersion.cmake
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@ -10,7 +10,10 @@ set(CLANG_MIN 3.1)
set(CLANG_SOFT_ERROR 3.5)
set(APPLECLANG_MIN 3.1)
set(APPLECLANG_SOFT_ERROR 6.0)
set(MSVC_MIN 19.00.24213.1)
# https://en.wikipedia.org/wiki/Microsoft_Visual_C#Internal_version_numbering
# _MSC_VER == 1910 MSVC++ 14.1 (Visual Studio 2017 version 15.0)
set(MSVC_MIN 19.1)
set(MSVC_SOFT_ERROR 19.1)
# Map the above GCC versions to dates: https://gcc.gnu.org/develop.html#timeline

4
docs/GettingStarted.rst
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@ -240,7 +240,7 @@ with the following compilers, though this will change in the near future:
* Clang 3.1
* Apple Clang 3.1
* GCC 4.8
* Visual Studio 2015 (Update 3)
* Visual Studio 2017
Anything older than these toolchains *may* work, but will require forcing the
build system with a special option and is not really a supported host platform.
@ -275,7 +275,7 @@ Getting a Modern Host C++ Toolchain
This section mostly applies to Linux and older BSDs. On macOS, you should
have a sufficiently modern Xcode, or you will likely need to upgrade until you
do. Windows does not have a "system compiler", so you must install either Visual
Studio 2015 or a recent version of mingw64. FreeBSD 10.0 and newer have a modern
Studio 2017 or a recent version of mingw64. FreeBSD 10.0 and newer have a modern
Clang as the system compiler.
However, some Linux distributions and some other or older BSDs sometimes have

4
docs/GettingStartedVS.rst
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@ -39,13 +39,13 @@ and software you will need.
Hardware
--------
Any system that can adequately run Visual Studio 2015 is fine. The LLVM
Any system that can adequately run Visual Studio 2017 is fine. The LLVM
source tree and object files, libraries and executables will consume
approximately 3GB.
Software
--------
You will need Visual Studio 2015 or higher, with the latest Update installed.
You will need Visual Studio 2017 or higher, with the latest Update installed.
You will also need the `CMake <http://www.cmake.org/>`_ build system since it
generates the project files you will use to build with.

6
docs/ReleaseNotes.rst
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@ -76,6 +76,12 @@ Changes to the LLVM IR
pointee type. In the next release we intend to make this parameter
mandatory in preparation for opaque pointer types.
Changes to building LLVM
------------------------
* Building LLVM with Visual Studio now requires version 2017 or later.
Changes to the ARM Backend
--------------------------