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CMake/Modules/Qt4ConfigDependentSettings.cmake
Brad King 86578eccf2 Simplify CMake per-source license notices 
Per-source copyright/license notice headers that spell out copyright holder
names and years are hard to maintain and often out-of-date or plain wrong.
Precise contributor information is already maintained automatically by the
version control tool.  Ultimately it is the receiver of a file who is
responsible for determining its licensing status, and per-source notices are
merely a convenience.  Therefore it is simpler and more accurate for
each source to have a generic notice of the license name and references to
more detailed information on copyright holders and full license terms.

Our `Copyright.txt` file now contains a list of Contributors whose names
appeared source-level copyright notices.  It also references version control
history for more precise information.  Therefore we no longer need to spell
out the list of Contributors in each source file notice.

Replace CMake per-source copyright/license notice headers with a short
description of the license and links to `Copyright.txt` and online information
available from "https://cmake.org/licensing".  The online URL also handles
cases of modules being copied out of our source into other projects, so we
can drop our notices about replacing links with full license text.

Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority
of the replacements mechanically.  Manually fix up shebang lines and trailing
newlines in a few files.  Manually update the notices in a few files that the
script does not handle.
2016-09-27 15:14:44 -04:00

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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# Qt4ConfigDependentSettings
# --------------------------
#
#
#
# This file is included by FindQt4.cmake, don't include it directly.
###############################################
#
# configuration/system dependent settings
#
###############################################
# find dependencies for some Qt modules
# when doing builds against a static Qt, they are required
# when doing builds against a shared Qt, they are not required
# if a user needs the dependencies, and they couldn't be found, they can set
# the variables themselves.
set(QT_QTGUI_LIB_DEPENDENCIES "")
set(QT_QTCORE_LIB_DEPENDENCIES "")
set(QT_QTNETWORK_LIB_DEPENDENCIES "")
set(QT_QTOPENGL_LIB_DEPENDENCIES "")
set(QT_QTDBUS_LIB_DEPENDENCIES "")
set(QT_QTHELP_LIB_DEPENDENCIES ${QT_QTCLUCENE_LIBRARY})
if(Q_WS_WIN)
# On Windows, qconfig.pri has "shared" for shared library builds
if(NOT QT_CONFIG MATCHES "shared")
set(QT_IS_STATIC 1)
endif()
else()
# On other platforms, check file extension to know if its static
if(QT_QTCORE_LIBRARY_RELEASE)
get_filename_component(qtcore_lib_ext "${QT_QTCORE_LIBRARY_RELEASE}" EXT)
if("${qtcore_lib_ext}" STREQUAL "${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(QT_IS_STATIC 1)
endif()
endif()
if(QT_QTCORE_LIBRARY_DEBUG)
get_filename_component(qtcore_lib_ext "${QT_QTCORE_LIBRARY_DEBUG}" EXT)
if(${qtcore_lib_ext} STREQUAL ${CMAKE_STATIC_LIBRARY_SUFFIX})
set(QT_IS_STATIC 1)
endif()
endif()
endif()
# build using shared Qt needs -DQT_DLL on Windows
if(Q_WS_WIN AND NOT QT_IS_STATIC)
set(QT_DEFINITIONS ${QT_DEFINITIONS} -DQT_DLL)
endif()
if(NOT QT_IS_STATIC)
return()
endif()
# QtOpenGL dependencies
find_package(OpenGL)
set (QT_QTOPENGL_LIB_DEPENDENCIES ${OPENGL_glu_LIBRARY} ${OPENGL_gl_LIBRARY})
## system png
if(QT_QCONFIG MATCHES "system-png")
find_package(PNG)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${PNG_LIBRARY})
endif()
## system jpeg
if(QT_QCONFIG MATCHES "system-jpeg")
find_package(JPEG)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${JPEG_LIBRARIES})
endif()
## system tiff
if(QT_QCONFIG MATCHES "system-tiff")
find_package(TIFF)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${TIFF_LIBRARIES})
endif()
## system mng
if(QT_QCONFIG MATCHES "system-mng")
find_library(MNG_LIBRARY NAMES mng)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${MNG_LIBRARY})
endif()
# for X11, get X11 library directory
if(Q_WS_X11)
find_package(X11)
endif()
## X11 SM
if(QT_QCONFIG MATCHES "x11sm")
if(X11_SM_LIB AND X11_ICE_LIB)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${X11_SM_LIB} ${X11_ICE_LIB})
endif()
endif()
## Xi
if(QT_QCONFIG MATCHES "tablet")
if(X11_Xi_LIB)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${X11_Xi_LIB})
endif()
endif()
## Xrender
if(QT_QCONFIG MATCHES "xrender")
if(X11_Xrender_LIB)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${X11_Xrender_LIB})
endif()
endif()
## Xrandr
if(QT_QCONFIG MATCHES "xrandr")
if(X11_Xrandr_LIB)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${X11_Xrandr_LIB})
endif()
endif()
## Xcursor
if(QT_QCONFIG MATCHES "xcursor")
if(X11_Xcursor_LIB)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${X11_Xcursor_LIB})
endif()
endif()
## Xinerama
if(QT_QCONFIG MATCHES "xinerama")
if(X11_Xinerama_LIB)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${X11_Xinerama_LIB})
endif()
endif()
## Xfixes
if(QT_QCONFIG MATCHES "xfixes")
if(X11_Xfixes_LIB)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${X11_Xfixes_LIB})
endif()
endif()
## fontconfig
if(QT_QCONFIG MATCHES "fontconfig")
find_library(QT_FONTCONFIG_LIBRARY NAMES fontconfig)
mark_as_advanced(QT_FONTCONFIG_LIBRARY)
if(QT_FONTCONFIG_LIBRARY)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${QT_FONTCONFIG_LIBRARY})
endif()
endif()
## system-freetype
if(QT_QCONFIG MATCHES "system-freetype")
find_package(Freetype)
if(FREETYPE_LIBRARIES)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${FREETYPE_LIBRARIES})
endif()
endif()
## system-zlib
if(QT_QCONFIG MATCHES "system-zlib")
find_package(ZLIB)
set(QT_QTCORE_LIB_DEPENDENCIES ${QT_QTCORE_LIB_DEPENDENCIES} ${ZLIB_LIBRARIES})
endif()
## openssl
if(NOT Q_WS_WIN)
set(_QT_NEED_OPENSSL 0)
if(QT_VERSION_MINOR LESS 4 AND QT_QCONFIG MATCHES "openssl")
set(_QT_NEED_OPENSSL 1)
endif()
if(QT_VERSION_MINOR GREATER 3 AND QT_QCONFIG MATCHES "openssl-linked")
set(_QT_NEED_OPENSSL 1)
endif()
if(_QT_NEED_OPENSSL)
find_package(OpenSSL)
if(OPENSSL_LIBRARIES)
set(QT_QTNETWORK_LIB_DEPENDENCIES ${QT_QTNETWORK_LIB_DEPENDENCIES} ${OPENSSL_LIBRARIES})
endif()
endif()
endif()
## dbus
if(QT_QCONFIG MATCHES "dbus")
find_library(QT_DBUS_LIBRARY NAMES dbus-1 )
if(QT_DBUS_LIBRARY)
set(QT_QTDBUS_LIB_DEPENDENCIES ${QT_QTDBUS_LIB_DEPENDENCIES} ${QT_DBUS_LIBRARY})
endif()
mark_as_advanced(QT_DBUS_LIBRARY)
endif()
## glib
if(QT_QCONFIG MATCHES "glib")
# Qt 4.2.0+ uses glib-2.0
find_library(QT_GLIB_LIBRARY NAMES glib-2.0 )
find_library(QT_GTHREAD_LIBRARY NAMES gthread-2.0 )
mark_as_advanced(QT_GLIB_LIBRARY)
mark_as_advanced(QT_GTHREAD_LIBRARY)
if(QT_GLIB_LIBRARY AND QT_GTHREAD_LIBRARY)
set(QT_QTCORE_LIB_DEPENDENCIES ${QT_QTCORE_LIB_DEPENDENCIES}
${QT_GTHREAD_LIBRARY} ${QT_GLIB_LIBRARY})
endif()
# Qt 4.5+ also links to gobject-2.0
if(QT_VERSION_MINOR GREATER 4)
find_library(QT_GOBJECT_LIBRARY NAMES gobject-2.0 PATHS ${_glib_query_output} )
mark_as_advanced(QT_GOBJECT_LIBRARY)
if(QT_GOBJECT_LIBRARY)
set(QT_QTCORE_LIB_DEPENDENCIES ${QT_QTCORE_LIB_DEPENDENCIES}
${QT_GOBJECT_LIBRARY})
endif()
endif()
endif()
## clock-monotonic, just see if we need to link with rt
if(QT_QCONFIG MATCHES "clock-monotonic")
set(CMAKE_REQUIRED_LIBRARIES_SAVE ${CMAKE_REQUIRED_LIBRARIES})
set(CMAKE_REQUIRED_LIBRARIES rt)
CHECK_SYMBOL_EXISTS(_POSIX_TIMERS "unistd.h;time.h" QT_POSIX_TIMERS)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES_SAVE})
if(QT_POSIX_TIMERS)
find_library(QT_RT_LIBRARY NAMES rt)
mark_as_advanced(QT_RT_LIBRARY)
if(QT_RT_LIBRARY)
set(QT_QTCORE_LIB_DEPENDENCIES ${QT_QTCORE_LIB_DEPENDENCIES} ${QT_RT_LIBRARY})
endif()
endif()
endif()
if(Q_WS_X11)
# X11 libraries Qt always depends on
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} ${X11_Xext_LIB} ${X11_X11_LIB})
set(CMAKE_THREAD_PREFER_PTHREAD 1)
find_package(Threads)
if(CMAKE_USE_PTHREADS_INIT)
set(QT_QTCORE_LIB_DEPENDENCIES ${QT_QTCORE_LIB_DEPENDENCIES} ${CMAKE_THREAD_LIBS_INIT})
endif()
set (QT_QTCORE_LIB_DEPENDENCIES ${QT_QTCORE_LIB_DEPENDENCIES} ${CMAKE_DL_LIBS})
endif()
if(Q_WS_WIN)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} imm32 winmm)
set(QT_QTCORE_LIB_DEPENDENCIES ${QT_QTCORE_LIB_DEPENDENCIES} ws2_32)
endif()
if(Q_WS_MAC)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} "-framework Carbon")
# Qt 4.0, 4.1, 4.2 use QuickTime
if(QT_VERSION_MINOR LESS 3)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} "-framework QuickTime")
endif()
# Qt 4.2+ use AppKit
if(QT_VERSION_MINOR GREATER 1)
set(QT_QTGUI_LIB_DEPENDENCIES ${QT_QTGUI_LIB_DEPENDENCIES} "-framework AppKit")
endif()
set(QT_QTCORE_LIB_DEPENDENCIES ${QT_QTCORE_LIB_DEPENDENCIES} "-framework ApplicationServices")
endif()
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