CMake/Help/release/dev/mingw-search-prefixes.rst at 8735cbba5da527ac4ae98ca74b8a0d896b275827 - CMake - Gitea - ZeroTwo

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Brad King 5e5132e1b1 MinGW: Search for packages in standard MSYSTEM environment prefixes

MSYS2 and similar MinGW/MSYS distributions define development
environments with a `MSYSTEM` environment variable.  Each such
environment has a documented installation prefix for its packages,
often provided by a `MSYSTEM_PREFIX` environment variable.
Since commit 84a25fc263 (cmake_host_system_information: Add
MSYSTEM_PREFIX query, 2023-09-08) we can look up this prefix.

Add `$MSYSTEM_PREFIX/local` and `$MSYSTEM_PREFIX` to our system search
prefixes when targeting MinGW under `MSYSTEM` environments.  This is
their equivalent to `/usr/local` and `/usr`, which we search by default
on UNIX systems.

Issue: #24216

2023-09-13 08:35:59 -04:00

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 mingw-search-prefixes
 ---------------------
 * When using MinGW tools in a ``MSYSTEM`` environment on Windows,
   the ``$MSYSTEM_PREFIX/local`` and ``$MSYSTEM_PREFIX`` prefixes are
   now added to :variable:`CMAKE_SYSTEM_PREFIX_PATH`.