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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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plc-user
96 lines
4.2 KiB
CMake
96 lines
4.2 KiB
CMake
# Copyright 2006-2026 The QElectroTech Team
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# This file is part of QElectroTech.
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#
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# QElectroTech is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# QElectroTech is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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message(" - find_spacemouse")
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# QET_ENABLE_SPACEMOUSE (cmake/developer_options.cmake) is off by default,
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# so none of this runs, and the default build is entirely unaffected: no new
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# dependency, no new source files, no new symbols.
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#
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# When it is on, QET_SPACEMOUSE_BACKEND picks how the device is read -- see
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# sources/spacemouse/spacemousebackend.h for what a backend is:
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# spnav Linux, through the spacenavd daemon (libspnav)
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# hid any platform, directly over USB (hidapi), no 3Dconnexion driver
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# auto spnav on Linux when libspnav is found, hid otherwise
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# On macOS the 3DxWare backend is added to whichever of these is chosen.
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# A backend whose library is not found downgrades the option to off with a
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# warning, rather than failing configure for an opt-in feature.
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set(QET_SPACEMOUSE_BACKEND "auto" CACHE STRING "3D mouse backend: auto, spnav or hid")
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set_property(CACHE QET_SPACEMOUSE_BACKEND PROPERTY STRINGS auto spnav hid)
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set(QET_SPACEMOUSE_ENABLED FALSE)
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set(QET_SPACEMOUSE_BACKEND_SPNAV_ENABLED FALSE)
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set(QET_SPACEMOUSE_BACKEND_HID_ENABLED FALSE)
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set(QET_SPACEMOUSE_BACKEND_CONNEXION_ENABLED FALSE)
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if(QET_ENABLE_SPACEMOUSE)
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find_package(PkgConfig)
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set(_qet_spacemouse_try_spnav FALSE)
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set(_qet_spacemouse_try_hid FALSE)
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if(QET_SPACEMOUSE_BACKEND STREQUAL "spnav")
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set(_qet_spacemouse_try_spnav TRUE)
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elseif(QET_SPACEMOUSE_BACKEND STREQUAL "hid")
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set(_qet_spacemouse_try_hid TRUE)
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else()
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if(UNIX AND NOT APPLE)
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set(_qet_spacemouse_try_spnav TRUE)
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endif()
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set(_qet_spacemouse_try_hid TRUE)
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endif()
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# libspnav: Debian/Ubuntu's libspnav-dev ships spnav.pc.
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if(_qet_spacemouse_try_spnav AND PkgConfig_FOUND)
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pkg_check_modules(SPNAV IMPORTED_TARGET spnav)
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if(SPNAV_FOUND)
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set(QET_SPACEMOUSE_ENABLED TRUE)
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set(QET_SPACEMOUSE_BACKEND_SPNAV_ENABLED TRUE)
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add_definitions(-DQET_SPACEMOUSE_BACKEND_SPNAV)
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message("QET_ENABLE_SPACEMOUSE ON (backend: libspnav ${SPNAV_VERSION})")
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endif()
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endif()
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# hidapi: hidapi-hidraw.pc on Linux (libhidapi-dev), hidapi.pc from
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# MSYS2 (mingw-w64-ucrt-x86_64-hidapi) and Homebrew (hidapi).
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if(NOT QET_SPACEMOUSE_ENABLED AND _qet_spacemouse_try_hid AND PkgConfig_FOUND)
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pkg_search_module(HIDAPI IMPORTED_TARGET hidapi-hidraw hidapi)
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if(HIDAPI_FOUND)
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set(QET_SPACEMOUSE_ENABLED TRUE)
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set(QET_SPACEMOUSE_BACKEND_HID_ENABLED TRUE)
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add_definitions(-DQET_SPACEMOUSE_BACKEND_HID)
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message("QET_ENABLE_SPACEMOUSE ON (backend: hidapi ${HIDAPI_VERSION})")
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endif()
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endif()
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# macOS: with 3DxWare installed the device can only be read through
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# 3DxWare, so its backend comes too, whichever backend was asked for.
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# It loads 3DxWare's library at run time and needs nothing to build.
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if(APPLE)
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set(QET_SPACEMOUSE_ENABLED TRUE)
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set(QET_SPACEMOUSE_BACKEND_CONNEXION_ENABLED TRUE)
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add_definitions(-DQET_SPACEMOUSE_BACKEND_CONNEXION)
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message("QET_ENABLE_SPACEMOUSE ON (backend: 3DxWare when installed)")
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endif()
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if(QET_SPACEMOUSE_ENABLED)
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add_definitions(-DQET_SPACEMOUSE_SUPPORT)
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else()
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message(WARNING "QET_ENABLE_SPACEMOUSE is ON but no library was found for the "
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"'${QET_SPACEMOUSE_BACKEND}' backend (libspnav-dev for spnav, "
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"hidapi for hid, via pkg-config) -- building WITHOUT 3D mouse support.")
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endif()
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endif()
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