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Bump minimum MSVC version by one dot release to VS 2019 16.8 (#118833)

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This is a small change, but unblocks using longer string literals in
LLVM's source code, and hopefully isn't disruptive.

Discussed in an RFC here:
https://discourse.llvm.org/t/rfc-raising-minimum-msvc-version-by-one-dot-release/
This commit is contained in:
Chandler Carruth
2024-12-06 01:48:02 -08:00
committed by GitHub
parent 2c7ece2e8c
commit 28bba0d717
3 changed files with 6 additions and 4 deletions
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6
llvm/cmake/modules/CheckCompilerVersion.cmake
View File

@@ -12,9 +12,9 @@ set(APPLECLANG_MIN 10.0)
set(APPLECLANG_SOFT_ERROR 10.0)
# https://en.wikipedia.org/wiki/Microsoft_Visual_C#Internal_version_numbering
# _MSC_VER == 1927 MSVC++ 14.27 Visual Studio 2019 Version 16.7
set(MSVC_MIN 19.27)
set(MSVC_SOFT_ERROR 19.27)
# _MSC_VER == 1928 MSVC++ 19.27 Visual Studio 2019 Version 16.8 + 16.9
set(MSVC_MIN 19.28)
set(MSVC_SOFT_ERROR 19.28)
set(LIBSTDCXX_MIN 7)
set(LIBSTDCXX_SOFT_ERROR 7)

2
llvm/docs/GettingStarted.rst
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@@ -356,7 +356,7 @@ popular host toolchains for specific minimum versions in our build systems:
* Clang 5.0
* Apple Clang 10.0
* GCC 7.4
* Visual Studio 2019 16.7
* Visual Studio 2019 16.8
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.

2
llvm/docs/ReleaseNotes.md
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@@ -113,6 +113,8 @@ Changes to LLVM infrastructure
Changes to building LLVM
------------------------
* Raised the minimum MSVC version to Visual Studio 2019 16.8.
Changes to TableGen
-------------------