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Update MSW builds to use UCRT64 instead of MINGW64 #1198

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Merged
tturocy merged 1 commit into from
Oct 26, 2026
Merged

Update MSW builds to use UCRT64 instead of MINGW64 #1198

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5 changes: 3 additions & 2 deletions .github/workflows/tools.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -64,8 +64,9 @@ jobs:
- uses: actions/checkout@v7
- uses: msys2/setup-msys2@ec48f7c5447b3140e2b088413ae3a55687bccb6e # v2
with:
install: mingw-w64-x86_64-toolchain make automake autoconf
- run: pacman -S --noconfirm mingw-w64-x86_64-wxwidgets3.2
msystem: UCRT64
install: mingw-w64-ucrt-x86_64-toolchain make automake autoconf
- run: pacman -S --noconfirm mingw-w64-ucrt-x86_64-wxwidgets3.2
- run: aclocal
- run: automake --add-missing
- run: autoconf
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13 changes: 6 additions & 7 deletions doc/developer.build.rst
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Expand Up @@ -76,7 +76,7 @@ Install build tools and dependencies
the update instructions there (you will typically run ``pacman -Syu``
and restart the MSYS2 terminal as instructed).

2. Open the "MSYS2 MinGW 64-bit" terminal (important: use the MinGW
2. Open the "MSYS2 UCRT64" terminal (important: use the UCRT64
shell, not the plain MSYS shell).

3. Install general build dependencies
Expand All @@ -87,17 +87,16 @@ Install build tools and dependencies
pacman -Syu

# install compiler toolchain, autotools and libtool
pacman -S --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-automake \
mingw-w64-x86_64-autoconf mingw-w64-x86_64-libtool mingw-w64-x86_64-make
pacman -S --needed mingw-w64-ucrt-x86_64-toolchain mingw-w64-ucrt-x86_64-automake \
mingw-w64-ucrt-x86_64-autoconf mingw-w64-ucrt-x86_64-libtool mingw-w64-ucrt-x86_64-make

4. Install GUI dependencies

.. code-block:: bash

pacman -S --needed mingw-w64-x86_64-wxwidgets3.2
pacman -S --needed mingw-w64-ucrt-x86_64-wxwidgets3.2


.. note::
When building for a different target (32-bit) substitute the corresponding MinGW packages (``mingw-w64-i686-*``).


.. _wxwidgets-versions:
Expand All @@ -115,7 +114,7 @@ but 3.3.x is not yet used for released binaries.
Install CLI and GUI from source
--------------------------------

Navigate to the Gambit source directory (use the "MSYS2 MinGW 64-bit" terminal on Windows) and run:
Navigate to the Gambit source directory (use the "MSYS2 UCRT64" terminal on Windows) and run:

.. code-block:: bash

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