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Windows: Update MinGW-w64 + CMake instructions to recommend UCRT

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Lasse Collin 2024-12-30 10:51:33 +02:00
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commit 08050c0788
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1 changed files with 23 additions and 15 deletions
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38
windows/INSTALL-MinGW-w64_with_CMake.txt
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@ -51,23 +51,29 @@ Building XZ Utils on Windows using MinGW-w64 and CMake
-----------------
Both GCC and Clang/LLVM based MinGW-w64 toolchains come in MSVCRT
and Universal C runtime (UCRT) variants. MSVCRT is the old one.
32-bit builds of XZ Utils with MSVCRT should run on Windows 2000
and later (even Windows 95 should still be possible with trivial
edits to the source code).
and Universal C runtime (UCRT) variants. Use the UCRT variant
unless you have a good reason to why you still need to use MSVCRT.
MSVCRT is old. 32-bit builds of XZ Utils with MSVCRT should run on
Windows 2000 and later (even Windows 95 should still be possible
with trivial edits to the source code). However, MSVCRT doesn't
support the UTF-8 code page. Under Windows 10 version 1903 and
later, the command line tools of XZ Utils 5.6.3 and later use the
UTF-8 code page. If the command line tools are built against MSVCRT
and used on Win10 v1903 or later, non-ASCII characters may be
displayed incorrectly. Otherwise the tools should still function
correctly, so it's mostly a cosmetic issue.
UCRT is included in Windows 10, and it's possible to install UCRT
on Windows XP and later. UCRT might be the preferred choice if
out-of-the-box compatibility with Windows versions older than 10
is not required. Visual Studio 2015 and later produce binaries
that use UCRT.
on Windows XP and later. UCRT supports the UTF-8 code page. UCRT is
the preferred choice if out-of-the-box compatibility with Windows
versions older than 10 is not required. Visual Studio 2015 and
later produce binaries that use UCRT.
If you want to build liblzma.dll for use with your application,
it's recommended to use the same CRT for all components. If this
isn't possible, see the file liblzma-crt-mixing.txt.
If you only need the command line tools, the choice of CRT isn't
important, at least for now.
it's recommended to use the same CRT for all components (the UTF-8
code page issue only affects the command line tools, not liblzma).
If this isn't possible, see the file liblzma-crt-mixing.txt.
3. CMake
@ -101,7 +107,8 @@ Building XZ Utils on Windows using MinGW-w64 and CMake
For GCC, download appropriate packages from Mingw-builds depending
on if you want to build 32-bit or 64-bit x86 version of XZ Utils
and if the XZ Utils binaries should link against MSVCRT or UCRT:
and if the XZ Utils binaries should link against MSVCRT or UCRT
(use 64-bit UCRT if possible):
https://github.com/niXman/mingw-builds-binaries/releases
@ -125,7 +132,8 @@ Building XZ Utils on Windows using MinGW-w64 and CMake
4.2. MinGW-w64 with Clang/LLVM
For Clang/LLVM, download an appropriate package from LLVM-MinGW:
For Clang/LLVM, download an appropriate package from LLVM-MinGW
(use 64-bit UCRT if possible):
https://github.com/mstorsjo/llvm-mingw/releases