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62930253a3
The change in commit v3.9.0-rc1~54^2 (FindCygwin: Use find_program instead of find_path, 2017-05-18) broke cases when `CYGWIN_INSTALL_PATH` is already set, e.g. on the command-line or by an earlier call to `find_package(Cygwin)`. Since `find_program` now finds the actual `cygwin.bat` file, use a separate cache entry to save the location and then compute `CYGWIN_INSTALL_PATH`. If `CYGWIN_INSTALL_PATH` is already set, use that to avoid `find_program` having to search.
25 lines
632 B
CMake
25 lines
632 B
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# FindCygwin
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# ----------
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#
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# this module looks for Cygwin
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if (WIN32)
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if(CYGWIN_INSTALL_PATH)
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set(CYGWIN_BAT "${CYGWIN_INSTALL_PATH}/cygwin.bat")
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endif()
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find_program(CYGWIN_BAT
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cygwin.bat
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"C:/Cygwin"
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"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Cygwin\\setup;rootdir]"
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"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Cygnus Solutions\\Cygwin\\mounts v2\\/;native]"
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)
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get_filename_component(CYGWIN_INSTALL_PATH "${CYGWIN_BAT}" DIRECTORY)
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mark_as_advanced(CYGWIN_BAT)
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endif ()
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