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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:
# FindX11
# -------
#
# Find X11 installation
#
# Try to find X11 on UNIX systems. The following values are defined
#
# ::
#
# X11_FOUND - True if X11 is available
# X11_INCLUDE_DIR - include directories to use X11
# X11_LIBRARIES - link against these to use X11
#
# and also the following more fine grained variables:
#
# ::
#
# X11_ICE_INCLUDE_PATH, X11_ICE_LIB, X11_ICE_FOUND
# X11_SM_INCLUDE_PATH, X11_SM_LIB, X11_SM_FOUND
# X11_X11_INCLUDE_PATH, X11_X11_LIB
# X11_Xaccessrules_INCLUDE_PATH, X11_Xaccess_FOUND
# X11_Xaccessstr_INCLUDE_PATH, X11_Xaccess_FOUND
# X11_Xau_INCLUDE_PATH, X11_Xau_LIB, X11_Xau_FOUND
# X11_Xcomposite_INCLUDE_PATH, X11_Xcomposite_LIB, X11_Xcomposite_FOUND
# X11_Xcursor_INCLUDE_PATH, X11_Xcursor_LIB, X11_Xcursor_FOUND
# X11_Xdamage_INCLUDE_PATH, X11_Xdamage_LIB, X11_Xdamage_FOUND
# X11_Xdmcp_INCLUDE_PATH, X11_Xdmcp_LIB, X11_Xdmcp_FOUND
# X11_Xext_LIB, X11_Xext_FOUND
# X11_dpms_INCLUDE_PATH, (in X11_Xext_LIB), X11_dpms_FOUND
# X11_XShm_INCLUDE_PATH, (in X11_Xext_LIB), X11_XShm_FOUND
# X11_Xshape_INCLUDE_PATH, (in X11_Xext_LIB), X11_Xshape_FOUND
# X11_xf86misc_INCLUDE_PATH, X11_Xxf86misc_LIB, X11_xf86misc_FOUND
# X11_xf86vmode_INCLUDE_PATH, X11_Xxf86vm_LIB X11_xf86vmode_FOUND
# X11_Xfixes_INCLUDE_PATH, X11_Xfixes_LIB, X11_Xfixes_FOUND
# X11_Xft_INCLUDE_PATH, X11_Xft_LIB, X11_Xft_FOUND
# X11_Xi_INCLUDE_PATH, X11_Xi_LIB, X11_Xi_FOUND
# X11_Xinerama_INCLUDE_PATH, X11_Xinerama_LIB, X11_Xinerama_FOUND
# X11_Xinput_INCLUDE_PATH, X11_Xinput_LIB, X11_Xinput_FOUND
# X11_Xkb_INCLUDE_PATH, X11_Xkb_FOUND
# X11_Xkblib_INCLUDE_PATH, X11_Xkb_FOUND
# X11_Xkbfile_INCLUDE_PATH, X11_Xkbfile_LIB, X11_Xkbfile_FOUND
# X11_Xmu_INCLUDE_PATH, X11_Xmu_LIB, X11_Xmu_FOUND
# X11_Xpm_INCLUDE_PATH, X11_Xpm_LIB, X11_Xpm_FOUND
# X11_XTest_INCLUDE_PATH, X11_XTest_LIB, X11_XTest_FOUND
# X11_Xrandr_INCLUDE_PATH, X11_Xrandr_LIB, X11_Xrandr_FOUND
# X11_Xrender_INCLUDE_PATH, X11_Xrender_LIB, X11_Xrender_FOUND
# X11_Xscreensaver_INCLUDE_PATH, X11_Xscreensaver_LIB, X11_Xscreensaver_FOUND
# X11_Xt_INCLUDE_PATH, X11_Xt_LIB, X11_Xt_FOUND
# X11_Xutil_INCLUDE_PATH, X11_Xutil_FOUND
# X11_Xv_INCLUDE_PATH, X11_Xv_LIB, X11_Xv_FOUND
# X11_XSync_INCLUDE_PATH, (in X11_Xext_LIB), X11_XSync_FOUND
#components list:
# ICE SM Xaccess Xauth Xcomposite XCursor XDamage Xdmcp dpms
# xf86misc xf86vmode Xfixes Xft XInput Xkblib Xkbfile Xmu Xpm
# Xscreensaver Xshape XShm Xt XTest Xv Xsync
if (UNIX)
set(X11_FOUND 0)
# X11 is never a framework and some header files may be
# found in tcl on the mac
set(CMAKE_FIND_FRAMEWORK_SAVE ${CMAKE_FIND_FRAMEWORK})
set(CMAKE_FIND_FRAMEWORK NEVER)
set(X11_INC_SEARCH_PATH
/usr/pkg/xorg/include
/usr/X11R6/include
/usr/X11R7/include
/usr/include/X11
/usr/openwin/include
/usr/openwin/share/include
/opt/graphics/OpenGL/include
/opt/X11/include
)
set(X11_LIB_SEARCH_PATH
/usr/pkg/xorg/lib
/usr/X11R6/lib
/usr/X11R7/lib
/usr/openwin/lib
/opt/X11/lib
)
find_path(X11_X11_INCLUDE_PATH X11/X.h ${X11_INC_SEARCH_PATH})
find_path(X11_Xlib_INCLUDE_PATH X11/Xlib.h ${X11_INC_SEARCH_PATH})
find_path(X11_Xutil_INCLUDE_PATH X11/Xutil.h ${X11_INC_SEARCH_PATH})
# Solaris lacks XKBrules.h, so we should skip kxkbd there. Is this relevant for modern Solaris?
find_library(X11_X11_LIB X11 ${X11_LIB_SEARCH_PATH})
get_filename_component(X11_REALPATH ${X11_X11_LIB} REALPATH)
get_filename_component(X11_SO_VERSION ${X11_REALPATH} EXT)
string(SUBSTRING ${X11_SO_VERSION} 4 -1 X11_VERSION)
set(X11_X11_VERSION ${X11_VERSION})
find_package_handle_standard_args(X11_X11
REQUIRED_VARS
X11_X11_LIB
X11_X11_INCLUDE_PATH
X11_Xlib_INCLUDE_PATH
X11_Xutil_INCLUDE_PATH
VERSION_VAR
X11_X11_VERSION
)
mark_as_advanced(
X11_X11_LIB
X11_X11_INCLUDE_PATH
X11_Xlib_INCLUDE_PATH
X11_Xutil_INCLUDE_PATH
)
set(X11_X11_INCLUDE_DIR "${X11_X11_INCLUDE_PATH}" "${X11_Xlib_INCLUDE_PATH}" "${X11_Xutil_INCLUDE_PATH}")
if(X11_X11_FOUND)
include(CheckFunctionExists)
include(CheckLibraryExists)
# Translated from an autoconf-generated configure script.
# See libs.m4 in autoconf's m4 directory.
if($ENV{ISC} MATCHES "^yes$")
set(X11_X_EXTRA_LIBS -lnsl_s -linet)
else()
set(X11_X_EXTRA_LIBS "")
# See if XOpenDisplay in X11 works by itself.
CHECK_LIBRARY_EXISTS("${X11_LIBRARIES}" "XOpenDisplay" "${X11_LIBRARY_DIR}" X11_LIB_X11_SOLO)
if(NOT X11_LIB_X11_SOLO)
# Find library needed for dnet_ntoa.
CHECK_LIBRARY_EXISTS("dnet" "dnet_ntoa" "" X11_LIB_DNET_HAS_DNET_NTOA)
if (X11_LIB_DNET_HAS_DNET_NTOA)
set (X11_X_EXTRA_LIBS ${X11_X_EXTRA_LIBS} -ldnet)
else ()
CHECK_LIBRARY_EXISTS("dnet_stub" "dnet_ntoa" "" X11_LIB_DNET_STUB_HAS_DNET_NTOA)
if (X11_LIB_DNET_STUB_HAS_DNET_NTOA)
set (X11_X_EXTRA_LIBS ${X11_X_EXTRA_LIBS} -ldnet_stub)
endif ()
endif ()
endif()
# Find library needed for gethostbyname.
CHECK_FUNCTION_EXISTS("gethostbyname" CMAKE_HAVE_GETHOSTBYNAME)
if(NOT CMAKE_HAVE_GETHOSTBYNAME)
CHECK_LIBRARY_EXISTS("nsl" "gethostbyname" "" CMAKE_LIB_NSL_HAS_GETHOSTBYNAME)
if (CMAKE_LIB_NSL_HAS_GETHOSTBYNAME)
set (X11_X_EXTRA_LIBS ${X11_X_EXTRA_LIBS} -lnsl)
else ()
CHECK_LIBRARY_EXISTS("bsd" "gethostbyname" "" CMAKE_LIB_BSD_HAS_GETHOSTBYNAME)
if (CMAKE_LIB_BSD_HAS_GETHOSTBYNAME)
set (X11_X_EXTRA_LIBS ${X11_X_EXTRA_LIBS} -lbsd)
endif ()
endif ()
endif()
# Find library needed for connect.
CHECK_FUNCTION_EXISTS("connect" CMAKE_HAVE_CONNECT)
if(NOT CMAKE_HAVE_CONNECT)
CHECK_LIBRARY_EXISTS("socket" "connect" "" CMAKE_LIB_SOCKET_HAS_CONNECT)
if (CMAKE_LIB_SOCKET_HAS_CONNECT)
set (X11_X_EXTRA_LIBS -lsocket ${X11_X_EXTRA_LIBS})
endif ()
endif()
# Find library needed for remove.
CHECK_FUNCTION_EXISTS("remove" CMAKE_HAVE_REMOVE)
if(NOT CMAKE_HAVE_REMOVE)
CHECK_LIBRARY_EXISTS("posix" "remove" "" CMAKE_LIB_POSIX_HAS_REMOVE)
if (CMAKE_LIB_POSIX_HAS_REMOVE)
set (X11_X_EXTRA_LIBS ${X11_X_EXTRA_LIBS} -lposix)
endif ()
endif()
# Find library needed for shmat.
CHECK_FUNCTION_EXISTS("shmat" CMAKE_HAVE_SHMAT)
if(NOT CMAKE_HAVE_SHMAT)
CHECK_LIBRARY_EXISTS("ipc" "shmat" "" CMAKE_LIB_IPS_HAS_SHMAT)
if (CMAKE_LIB_IPS_HAS_SHMAT)
set (X11_X_EXTRA_LIBS ${X11_X_EXTRA_LIBS} -lipc)
endif ()
endif()
endif()
list(APPEND X11_LIBRARIES
"${X11_X11_LIB}")
list(APPEND X11_INCLUDE_DIR
"${X11_X11_INCLUDE_PATH}"
"${X11_Xlib_INCLUDE_PATH}"
"${X11_Xutil_INCLUDE_PATH}")
if(NOT TARGET X11::X11)
add_library(X11::X11 UNKNOWN IMPORTED)
set_target_properties(X11::X11 PROPERTIES
IMPORTED_LOCATION "${X11_X11_LIB}"
INTERFACE_INCLUDE_DIRECTORIES "${X11_X11_INCLUDE_DIR}"
INTERFACE_COMPILE_OPTIONS "${X11_X_EXTRA_LIBS}"
)
endif()
list(APPEND X11_TARGETS
"X11::X11")
endif ()
# All X11 components.
FOREACH (_component ${X11_FIND_COMPONENTS})
string(TOLOWER "${_component}" _lc_comp)
set(X11_${_component}_VERSION "${X11_VERSION}")
list(APPEND _comp_deps "X11::X11")
list(APPEND _comp_dep_vars "X11_X11_FOUND")
if (${_component} STREQUAL "Xaccess")
set(_comp_header XKBstr.h)
set(_library_name Xext)
elseif (${_component} STREQUAL "Xauth")
set(_library_name Xau)
elseif (${_component} STREQUAL "dpms")
set(_library_name Xext)
elseif (${_component} STREQUAL "xf86vmode")
set(_library_name Xxf86vm)
elseif (${_component} STREQUAL "XInput")
set(_library_name Xi)
elseif (${_component} STREQUAL "Xkb")
set(_comp_header XKB.h)
set(_library_name Xext)
elseif (${_component} STREQUAL "Xkblib")
list(APPEND _comp_deps "X11::Xaccess")
list(APPEND _comp_dep_vars "X11_Xaccess_FOUND")
set(_comp_header XKBlib.h)
set(_library_name Xext)
elseif (${_component} STREQUAL "Xkbfile")
set(_comp_header XKBfile.h)
elseif (${_component} STREQUAL "Xscreensaver")
set(_comp_header scrnsaver.h)
set(_library_name Xss)
elseif (${_component} STREQUAL "Xshape")
set(_comp_header shape.h)
set(_library_name Xext)
elseif (${_component} STREQUAL "XShm")
set(_library_name Xext)
elseif (${_component} STREQUAL "Xt")
set(_comp_header Intrinsic.h)
elseif (${_component} STREQUAL "XTest")
set(_library_name Xtst)
elseif (${_component} STREQUAL "Xv")
set(_comp_header Xvlib.h)
elseif (${_component} STREQUAL "Xsync")
set(_comp_header sync.h)
elseif (${_component} STREQUAL "X11")
continue()
endif()
find_path(X11_${_component}_INCLUDE_PATH
NAMES ${_comp_header} ${_component}.h ${_lc_comp}.h
HINTS ${X11_INC_SEARCH_PATH}
PATH_SUFFIXES X11 X11/extensions X11/${_component}
)
find_library(X11_${_component}_LIB
NAMES ${_library_name} ${_component} ${_lc_comp} X${_component}
HINTS ${X11_LIB_SEARCH_PATH}
)
find_package_handle_standard_args(X11_${_component}
REQUIRED_VARS
X11_${_component}_LIB
X11_${_component}_INCLUDE_PATH
${_comp_dep_vars}
VERSION_VAR
X11_${_component}_VERSION
)
mark_as_advanced(
X11_${_component}_LIB
X11_${_component}_INCLUDE_PATH
)
if(X11_${_component}_FOUND)
list(APPEND X11_LIBRARIES
"${X11_${_component}_LIB}")
list(APPEND X11_INCLUDE_DIR
"${X11_${_component}_INCLUDE_PATH}")
if(NOT TARGET X11::${_component})
add_library(X11::${_component} UNKNOWN IMPORTED)
set_target_properties(X11::${_component} PROPERTIES
IMPORTED_LOCATION "${X11_${_component}_LIB}"
INTERFACE_INCLUDE_DIRECTORIES "${X11_${_component}_INCLUDE_PATH}"
INTERFACE_LINK_LIBRARIES "${_comp_deps}"
)
endif()
list(APPEND X11_TARGETS
"X11::${_component}")
endif()
ENDFOREACH ()
FIND_PACKAGE_HANDLE_STANDARD_ARGS(X11
REQUIRED_VARS
X11_LIBRARIES
X11_INCLUDE_DIR
HANDLE_COMPONENTS
VERSION_VAR
X11_VERSION)
if(X11_LIBRARIES)
list(REMOVE_DUPLICATES X11_LIBRARIES)
endif()
if(X11_INCLUDE_DIR)
list(REMOVE_DUPLICATES X11_INCLUDE_DIR)
endif()
if(X11_TARGETS)
list(REMOVE_DUPLICATES X11_TARGETS)
endif()
set(CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK_SAVE})
set(CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET_SAVE})
endif ()
# X11_FIND_REQUIRED_<component> could be checked too
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