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| -rw-r--r-- | find-modules/FindWayland.cmake | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/find-modules/FindWayland.cmake b/find-modules/FindWayland.cmake new file mode 100644 index 00000000..21014fc4 --- /dev/null +++ b/find-modules/FindWayland.cmake @@ -0,0 +1,193 @@ +# Try to find Wayland on a Unix system +# +# This will define: +# +# Wayland_FOUND - True if Wayland is available +# Wayland_LIBRARIES - Link these to use Wayland +# Wayland_INCLUDE_DIRS - Include directory for Wayland +# Wayland_DEFINITIONS - Compiler flags for using Wayland +# Wayland_VERSION_STRING - Found Wayland version +# +# In addition the following more fine grained variables will be defined: +# +# Wayland_Client_FOUND Wayland_Client_INCLUDE_DIR Wayland_Client_LIBRARY Wayland_Client_VERSION_STRING +# Wayland_Server_FOUND Wayland_Server_INCLUDE_DIR Wayland_Server_LIBRARY Wayland_Server_VERSION_STRING +# Wayland_Cursor_FOUND Wayland_Cursor_INCLUDE_DIR Wayland_Cursor_LIBRARY Wayland_Cursor_VERSION_STRING +# Wayland_Egl_FOUND Wayland_Egl_INCLUDE_DIR Wayland_Egl_LIBRARY Wayland_Egl_VERSION_STRING +# +# Additionally, the following imported targets will be defined: +# +# Wayland::Client +# Wayland::Server +# Wayland::Cursor +# Wayland::Egl +# +# Copyright (c) 2014 Martin Gräßlin <mgraesslin@kde.org> +# +# Redistribution and use is allowed according to the terms of the BSD license. +# For details see the accompanying COPYING-CMAKE-SCRIPTS file. + +if(CMAKE_VERSION VERSION_LESS 2.8.12) + message(FATAL_ERROR "CMake 2.8.12 is required by FindWayland.cmake") +endif() +if(CMAKE_MINIMUM_REQUIRED_VERSION VERSION_LESS 2.8.12) + message(AUTHOR_WARNING "Your project should require at least CMake 2.8.12 to use FindWayland.cmake") +endif() + +set(knownComponents Client + Server + Cursor + Egl + ) + +unset(unknownComponents) + +set(pkgConfigModules) + +if (Wayland_FIND_COMPONENTS) + set(comps ${Wayland_FIND_COMPONENTS}) +else() + set(comps ${knownComponents}) +endif() + +# iterate through the list of requested components, and check that we know them all. +# If not, fail. +foreach(comp ${comps}) + list(FIND knownComponents ${comp} index ) + if("${index}" STREQUAL "-1") + list(APPEND unknownComponents "${comp}") + else() + if("${comp}" STREQUAL "Client") + list(APPEND pkgConfigModules "wayland-client") + elseif("${comp}" STREQUAL "Server") + list(APPEND pkgConfigModules "wayland-server") + elseif("${comp}" STREQUAL "Cursor") + list(APPEND pkgConfigModules "wayland-cursor") + elseif("${comp}" STREQUAL "Egl") + list(APPEND pkgConfigModules "wayland-egl") + endif() + endif() +endforeach() + + +if(DEFINED unknownComponents) + set(msgType STATUS) + if(Wayland_FIND_REQUIRED) + set(msgType FATAL_ERROR) + endif() + if(NOT Wayland_FIND_QUIETLY) + message(${msgType} "Wayland: requested unknown components ${unknownComponents}") + endif() + return() +endif() + +macro(_wayland_handle_component _comp) + set(_header ) + set(_lib ) + set(_pkgconfig_module_var) + if("${_comp}" STREQUAL "Client") + set(_header "wayland-client.h") + set(_lib "wayland-client") + set(_pkgconfig_module_var "wayland-client") + elseif("${_comp}" STREQUAL "Server") + set(_header "wayland-server.h") + set(_lib "wayland-server") + set(_pkgconfig_module_var "wayland-server") + elseif("${_comp}" STREQUAL "Cursor") + set(_header "wayland-cursor.h") + set(_lib "wayland-cursor") + set(_pkgconfig_module_var "wayland-cursor") + elseif("${_comp}" STREQUAL "Egl") + set(_header "wayland-egl.h") + set(_lib "wayland-egl") + set(_pkgconfig_module_var "wayland-egl") + endif() + + find_path(Wayland_${_comp}_INCLUDE_DIR + NAMES ${_header} + HINTS ${PKG_Wayland_INCLUDE_DIRS} + ) + find_library(Wayland_${_comp}_LIBRARY + NAMES ${_lib} + HINTS ${PKG_Wayland_LIBRARY_DIRS} + ) + + if(Wayland_${_comp}_INCLUDE_DIR AND Wayland_${_comp}_LIBRARY) + list(APPEND Wayland_INCLUDE_DIRS ${Wayland_${_comp}_INCLUDE_DIR}) + list(APPEND Wayland_LIBRARIES ${Wayland_${_comp}_LIBRARY}) + endif() + + if(PKG_Wayland_VERSION AND NOT PKG_Wayland_${_pkgconfig_module_var}_VERSION) + # this is what gets set if we only search for one module + set(Wayland_${_comp}_VERSION_STRING "${PKG_Wayland_VERSION}") + else() + set(Wayland_${_comp}_VERSION_STRING "${PKG_Wayland_${_pkgconfig_module_var}_VERSION}") + endif() + + if(NOT Wayland_VERSION_STRING) + set(Wayland_VERSION_STRING ${Wayland_${_comp}_VERSION_STRING}) + endif() + + find_package_handle_standard_args(Wayland_${_comp} + FOUND_VAR + Wayland_${_comp}_FOUND + REQUIRED_VARS + Wayland_${_comp}_LIBRARY + Wayland_${_comp}_INCLUDE_DIR + VERSION_VAR + Wayland_${_comp}_VERSION_STRING + ) + + mark_as_advanced( + Wayland_${_comp}_LIBRARY + Wayland_${_comp}_INCLUDE_DIR + ) + + if(Wayland_${_comp}_FOUND AND NOT TARGET Wayland::${_comp}) + add_library(Wayland::${_comp} UNKNOWN IMPORTED) + set_target_properties(Wayland::${_comp} PROPERTIES + IMPORTED_LOCATION "${Wayland_${_comp}_LIBRARY}" + INTERFACE_COMPILE_OPTIONS "${Wayland_DEFINITIONS}" + INTERFACE_INCLUDE_DIRECTORIES "${Wayland_${_comp}_INCLUDE_DIR}" + ) + endif() +endmacro() + +if(NOT WIN32) + include(FindPackageHandleStandardArgs) + # Use pkg-config to get the directories and then use these values + # in the FIND_PATH() and FIND_LIBRARY() calls + find_package(PkgConfig) + pkg_check_modules(PKG_Wayland QUIET ${pkgConfigModules}) + + set(Wayland_DEFINITIONS ${PKG_Wayland_CFLAGS_OTHER}) + + foreach(comp ${comps}) + _wayland_handle_component(${comp}) + endforeach() + + if(Wayland_INCLUDE_DIRS) + list(REMOVE_DUPLICATES Wayland_INCLUDE_DIRS) + endif() + + find_package_handle_standard_args(Wayland + FOUND_VAR + Wayland_FOUND + REQUIRED_VARS + Wayland_LIBRARIES + Wayland_INCLUDE_DIRS + VERSION_VAR + Wayland_VERSION_STRING + HANDLE_COMPONENTS + ) + +else() + message(STATUS "Wayland is not available on Windows.") + set(Wayland_FOUND FALSE) +endif() + +include(FeatureSummary) +set_package_properties(Wayland PROPERTIES + URL "http://wayland.freedesktop.org" + DESCRIPTION "C library implementation of the Wayland protocol: a protocol for a compositor to talk to its clients" +) |