Add Findepoll.cmake
- On FreeBSD epoll.h if provided through a library (from a port, epoll-shim) that emulates the Linux behavior. Make a CMake module for it to hide differences in systems behind a module. - Find epoll on FreeBSD and link to it Now on FreeBSD, tries to compile virtual_terminal.cpp, which will fail because that needs more patches.
This commit is contained in:
Tobias Berner
Adriaan de Groot
parent
0dce25ba0f
commit
33aff4fcd0
2 changed files with 99 additions and 0 deletions
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@ -309,6 +309,14 @@ set_package_properties(QAccessibilityClient PROPERTIES
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)
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set(HAVE_ACCESSIBILITY ${QAccessibilityClient_FOUND})
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if(CMAKE_SYSTEM MATCHES "FreeBSD")
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find_package(epoll)
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set_package_properties(epoll PROPERTIES DESCRIPTION "I/O event notification facility"
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TYPE REQUIRED
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PURPOSE "Needed for running kwin_wayland"
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)
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endif()
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include(ECMQMLModules)
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ecm_find_qmlmodule(QtQuick 2.3)
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ecm_find_qmlmodule(QtQuick.Controls 1.2)
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@ -578,6 +586,13 @@ if (HAVE_LINUX_VT_H)
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)
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endif()
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if(CMAKE_SYSTEM MATCHES "FreeBSD")
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# We know it has epoll, so supports VT as well
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set(kwin_SRCS ${kwin_SRCS}
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virtual_terminal.cpp
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)
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endif()
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kconfig_add_kcfg_files(kwin_SRCS settings.kcfgc)
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kconfig_add_kcfg_files(kwin_SRCS colorcorrection/colorcorrect_settings.kcfgc)
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kconfig_add_kcfg_files(kwin_SRCS rulesettings.kcfgc)
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@ -690,6 +705,12 @@ set_target_properties(kwin PROPERTIES
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target_link_libraries(kwin ${kwinLibs} kwinglutils ${epoxy_LIBRARY})
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generate_export_header(kwin EXPORT_FILE_NAME kwin_export.h)
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if(CMAKE_SYSTEM MATCHES "FreeBSD")
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# epoll is required, includes live under ${LOCALBASE}, separate library
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target_include_directories(kwin PUBLIC ${epoll_INCLUDE_DIRS})
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target_link_libraries(kwin ${kwinLibs} ${epoll_LIBRARIES})
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endif()
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add_executable(kwin_x11 main_x11.cpp)
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target_link_libraries(kwin_x11 kwin KF5::Crash Qt5::X11Extras)
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78
cmake/modules/Findepoll.cmake
Normal file
78
cmake/modules/Findepoll.cmake
Normal file
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@ -0,0 +1,78 @@
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#.rest:
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# FindEpoll
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# --------------
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#
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# Try to find epoll or epoll-shim on this system. This finds:
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# - some shim on Unix like systems (FreeBSD), or
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# - the kernel's epoll on Linux systems.
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#
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# This will define the following variables:
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#
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# ``epoll_FOUND``
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# True if epoll is available
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# ``epoll_LIBRARIES``
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# This has to be passed to target_link_libraries()
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# ``epoll_INCLUDE_DIRS``
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# This has to be passed to target_include_directories()
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#
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# On Linux, the libraries and include directories are empty,
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# even though epoll_FOUND may be set to TRUE. This is because
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# no special includes or libraries are needed. On other systems
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# these may be needed to use epoll.
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#=============================================================================
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# Copyright 2019 Tobias C. Berner <tcberner@FreeBSD.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#=============================================================================
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find_path(epoll_INCLUDE_DIRS sys/epoll.h PATH_SUFFIXES libepoll-shim)
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if(epoll_INCLUDE_DIRS)
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# On Linux there is no library to link against, on the BSDs there is.
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# On the BSD's, epoll is implemented through a library, libepoll-shim.
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if( CMAKE_SYSTEM_NAME MATCHES "Linux")
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set(epoll_FOUND TRUE)
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set(epoll_LIBRARIES "")
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set(epoll_INCLUDE_DIRS "")
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else()
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find_library(epoll_LIBRARIES NAMES epoll-shim)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(epoll
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FOUND_VAR
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epoll_FOUND
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REQUIRED_VARS
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epoll_LIBRARIES
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epoll_INCLUDE_DIRS
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)
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mark_as_advanced(epoll_LIBRARIES epoll_INCLUDE_DIRS)
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include(FeatureSummary)
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set_package_properties(epoll PROPERTIES
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URL "https://github.com/FreeBSDDesktop/epoll-shim"
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DESCRIPTION "small epoll implementation using kqueue"
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)
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endif()
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else()
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set(epoll_FOUND FALSE)
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endif()
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mark_as_advanced(epoll_LIBRARIES epoll_INCLUDE_DIRS)
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