123 lines
5.4 KiB
CMake
123 lines
5.4 KiB
CMake
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# - Try to find Glib and its components (gio, gobject etc)
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# Once done, this will define
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#
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# GLIB_FOUND - system has Glib
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# GLIB_INCLUDE_DIRS - the Glib include directories
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# GLIB_LIBRARIES - link these to use Glib
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#
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# Optionally, the COMPONENTS keyword can be passed to find_package()
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# and Glib components can be looked for. Currently, the following
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# components can be used, and they define the following variables if
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# found:
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#
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# gio: GLIB_GIO_LIBRARIES
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# gobject: GLIB_GOBJECT_LIBRARIES
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# gmodule: GLIB_GMODULE_LIBRARIES
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# gthread: GLIB_GTHREAD_LIBRARIES
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#
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# Note that the respective _INCLUDE_DIR variables are not set, since
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# all headers are in the same directory as GLIB_INCLUDE_DIRS.
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#
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# Copyright (C) 2012 Raphael Kubo da Costa <rakuco@webkit.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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# 1. Redistributions of source code must retain the above 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 above 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 COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
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# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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find_package(PkgConfig)
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pkg_check_modules(PC_GLIB QUIET glib-2.0)
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find_library(GLIB_LIBRARIES
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NAMES glib-2.0
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HINTS ${PC_GLIB_LIBDIR}
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${PC_GLIB_LIBRARY_DIRS}
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)
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# Files in glib's main include path may include glibconfig.h, which,
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# for some odd reason, is normally in $LIBDIR/glib-2.0/include.
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get_filename_component(_GLIB_LIBRARY_DIR ${GLIB_LIBRARIES} PATH)
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find_path(GLIBCONFIG_INCLUDE_DIR
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NAMES glibconfig.h
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HINTS ${PC_LIBDIR} ${PC_LIBRARY_DIRS} ${_GLIB_LIBRARY_DIR}
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${PC_GLIB_INCLUDEDIR} ${PC_GLIB_INCLUDE_DIRS}
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PATH_SUFFIXES glib-2.0/include
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)
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find_path(GLIB_INCLUDE_DIR
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NAMES glib.h
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HINTS ${PC_GLIB_INCLUDEDIR}
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${PC_GLIB_INCLUDE_DIRS}
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PATH_SUFFIXES glib-2.0
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)
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set(GLIB_INCLUDE_DIRS ${GLIB_INCLUDE_DIR} ${GLIBCONFIG_INCLUDE_DIR})
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# Version detection
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if (EXISTS "${GLIBCONFIG_INCLUDE_DIR}/glibconfig.h")
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file(READ "${GLIBCONFIG_INCLUDE_DIR}/glibconfig.h" GLIBCONFIG_H_CONTENTS)
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string(REGEX MATCH "#define GLIB_MAJOR_VERSION ([0-9]+)" _dummy "${GLIBCONFIG_H_CONTENTS}")
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set(GLIB_VERSION_MAJOR "${CMAKE_MATCH_1}")
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string(REGEX MATCH "#define GLIB_MINOR_VERSION ([0-9]+)" _dummy "${GLIBCONFIG_H_CONTENTS}")
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set(GLIB_VERSION_MINOR "${CMAKE_MATCH_1}")
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string(REGEX MATCH "#define GLIB_MICRO_VERSION ([0-9]+)" _dummy "${GLIBCONFIG_H_CONTENTS}")
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set(GLIB_VERSION_MICRO "${CMAKE_MATCH_1}")
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set(GLIB_VERSION "${GLIB_VERSION_MAJOR}.${GLIB_VERSION_MINOR}.${GLIB_VERSION_MICRO}")
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endif ()
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# Additional Glib components. We only look for libraries, as not all of them
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# have corresponding headers and all headers are installed alongside the main
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# glib ones.
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foreach (_component ${GLIB_FIND_COMPONENTS})
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if (${_component} STREQUAL "gio")
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find_library(GLIB_GIO_LIBRARIES NAMES gio-2.0 HINTS ${_GLIB_LIBRARY_DIR})
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set(ADDITIONAL_REQUIRED_VARS ${ADDITIONAL_REQUIRED_VARS} GLIB_GIO_LIBRARIES)
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elseif (${_component} STREQUAL "gobject")
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find_library(GLIB_GOBJECT_LIBRARIES NAMES gobject-2.0 HINTS ${_GLIB_LIBRARY_DIR})
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set(ADDITIONAL_REQUIRED_VARS ${ADDITIONAL_REQUIRED_VARS} GLIB_GOBJECT_LIBRARIES)
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elseif (${_component} STREQUAL "gmodule")
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find_library(GLIB_GMODULE_LIBRARIES NAMES gmodule-2.0 HINTS ${_GLIB_LIBRARY_DIR})
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set(ADDITIONAL_REQUIRED_VARS ${ADDITIONAL_REQUIRED_VARS} GLIB_GMODULE_LIBRARIES)
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elseif (${_component} STREQUAL "gthread")
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find_library(GLIB_GTHREAD_LIBRARIES NAMES gthread-2.0 HINTS ${_GLIB_LIBRARY_DIR})
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set(ADDITIONAL_REQUIRED_VARS ${ADDITIONAL_REQUIRED_VARS} GLIB_GTHREAD_LIBRARIES)
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elseif (${_component} STREQUAL "gio-unix")
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# gio-unix is compiled as part of the gio library, but the include paths
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# are separate from the shared glib ones. Since this is currently only used
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# by WebKitGTK+ we don't go to extraordinary measures beyond pkg-config.
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pkg_check_modules(GIO_UNIX QUIET gio-unix-2.0)
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endif ()
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endforeach ()
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(GLIB REQUIRED_VARS GLIB_INCLUDE_DIRS GLIB_LIBRARIES ${ADDITIONAL_REQUIRED_VARS}
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VERSION_VAR GLIB_VERSION)
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mark_as_advanced(
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GLIBCONFIG_INCLUDE_DIR
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GLIB_GIO_LIBRARIES
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GLIB_GIO_UNIX_LIBRARIES
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GLIB_GMODULE_LIBRARIES
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GLIB_GOBJECT_LIBRARIES
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GLIB_GTHREAD_LIBRARIES
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GLIB_INCLUDE_DIR
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GLIB_INCLUDE_DIRS
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GLIB_LIBRARIES
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)
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