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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file LICENSE.rst or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindMsys
--------
.. versionadded:: 3.21
Finds MSYS, a POSIX-compatible environment that runs natively on Microsoft
Windows.
.. note::
This module is primarily intended for use in other :ref:`Find Modules` to help
locate programs when using the ``find_*()`` commands, such as
:command:`find_program`. In most cases, direct use of those commands is
sufficient. Use this module only if a specific program is known to be
installed via MSYS and is usable from Windows.
Result Variables
^^^^^^^^^^^^^^^^
This module defines the following variables:
``MSYS_INSTALL_PATH``
The path to the MSYS root installation directory.
Examples
^^^^^^^^
Finding the MSYS installation and using its path in a custom find module:
.. code-block:: cmake
:caption: FindFoo.cmake
find_package(Msys)
find_program(Foo_EXECUTABLE NAMES foo PATHS ${MSYS_INSTALL_PATH}/usr/bin)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Foo REQUIRED_VARS Foo_EXECUTABLE)
See Also
^^^^^^^^
* The :module:`FindCygwin` module to find Cygwin path in a similar way.
#]=======================================================================]
if (WIN32)
if(MSYS_INSTALL_PATH)
set(MSYS_CMD "${MSYS_INSTALL_PATH}/msys2_shell.cmd")
endif()
find_program(MSYS_CMD
NAMES msys2_shell.cmd
PATHS
# Typical install path for MSYS2 (https://repo.msys2.org/distrib/msys2-i686-latest.sfx.exe)
"C:/msys32"
# Typical install path for MSYS2 (https://repo.msys2.org/distrib/msys2-x86_64-latest.sfx.exe)
"C:/msys64"
# Git for Windows (https://gitforwindows.org/)
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\GitForWindows;InstallPath]"
)
get_filename_component(MSYS_INSTALL_PATH "${MSYS_CMD}" DIRECTORY)
mark_as_advanced(MSYS_CMD)
endif ()
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