CMake/Modules/FindX11.cmake

150 lines
5.4 KiB
CMake

#
# try to find X11 on UNIX systems.
#
# The following values are defined
# CMAKE_HAS_X - True if X11 is available
# CMAKE_X_INCLUDE_DIRS - include directories to use X11
# CMAKE_X_LIBS - link against these to use X11
IF (UNIX)
SET(CMAKE_HAS_X 0)
SET(CMAKE_X11_INC_SEARCH_PATH
/usr/X11R6/include
/usr/local/include
/usr/include/X11
/usr/openwin/include
/usr/openwin/share/include
/opt/graphics/OpenGL/include
/usr/include
)
SET(CMAKE_X11_LIB_SEARCH_PATH
/usr/X11R6/lib
/usr/local/lib
/usr/openwin/lib
/usr/lib
)
FIND_PATH(CMAKE_X11_INCLUDE_PATH X11/X.h ${CMAKE_X11_INC_SEARCH_PATH})
FIND_PATH(CMAKE_Xlib_INCLUDE_PATH X11/Xlib.h ${CMAKE_X11_INC_SEARCH_PATH})
FIND_PATH(CMAKE_Xutil_INCLUDE_PATH X11/Xutil.h ${CMAKE_X11_INC_SEARCH_PATH})
FIND_LIBRARY(CMAKE_X11_LIB X11 ${CMAKE_X11_LIB_SEARCH_PATH})
FIND_LIBRARY(CMAKE_Xext_LIB Xext ${CMAKE_X11_LIB_SEARCH_PATH})
IF(CMAKE_X11_INCLUDE_PATH)
SET(CMAKE_X_INCLUDE_DIRS ${CMAKE_X_INCLUDE_DIRS} ${CMAKE_X11_INCLUDE_PATH})
ENDIF(CMAKE_X11_INCLUDE_PATH)
IF(CMAKE_Xlib_INCLUDE_PATH)
SET(CMAKE_X_INCLUDE_DIRS ${CMAKE_X_INCLUDE_DIRS} ${CMAKE_Xlib_INCLUDE_PATH})
ENDIF(CMAKE_Xlib_INCLUDE_PATH)
IF(CMAKE_Xutil_INCLUDE_PATH)
SET(CMAKE_X_INCLUDE_DIRS ${CMAKE_X_INCLUDE_DIRS} ${CMAKE_Xutil_INCLUDE_PATH})
ENDIF(CMAKE_Xutil_INCLUDE_PATH)
IF(CMAKE_X11_LIB)
SET(CMAKE_X_LIBS ${CMAKE_X_LIBS} ${CMAKE_X11_LIB})
ENDIF(CMAKE_X11_LIB)
IF(CMAKE_Xext_LIB)
SET(CMAKE_X_LIBS ${CMAKE_X_LIBS} ${CMAKE_Xext_LIB})
ENDIF(CMAKE_Xext_LIB)
# Deprecated variable for backwards compatibility with CMake 1.4
IF(CMAKE_X11_INCLUDE_PATH)
IF(CMAKE_X_LIBS)
SET(CMAKE_HAS_X 1)
ENDIF(CMAKE_X_LIBS)
ENDIF(CMAKE_X11_INCLUDE_PATH)
IF(CMAKE_HAS_X)
INCLUDE(${CMAKE_ROOT}/Modules/CheckFunctionExists.cmake)
INCLUDE(${CMAKE_ROOT}/Modules/CheckLibraryExists.cmake)
# Translated from an autoconf-generated configure script.
# See libs.m4 in autoconf's m4 directory.
IF($ENV{ISC} MATCHES "^yes$")
SET(CMAKE_X_EXTRA_LIBS -lnsl_s -linet)
ELSE($ENV{ISC} MATCHES "^yes$")
SET(CMAKE_X_EXTRA_LIBS "")
# See if XOpenDisplay in X11 works by itself.
CHECK_LIBRARY_EXISTS("${CMAKE_X_LIBS}" "XOpenDisplay" "" CMAKE_LIB_X11_SOLO)
IF(NOT CMAKE_LIB_X11_SOLO)
# Find library needed for dnet_ntoa.
CHECK_LIBRARY_EXISTS("dnet" "dnet_ntoa" "" CMAKE_LIB_DNET_HAS_DNET_NTOA)
IF (CMAKE_LIB_DNET_HAS_DNET_NTOA)
SET (CMAKE_X_EXTRA_LIBS ${CMAKE_X_EXTRA_LIBS} -ldnet)
ELSE (CMAKE_LIB_DNET_HAS_DNET_NTOA)
CHECK_LIBRARY_EXISTS("dnet_stub" "dnet_ntoa" "" CMAKE_LIB_DNET_STUB_HAS_DNET_NTOA)
IF (CMAKE_LIB_DNET_STUB_HAS_DNET_NTOA)
SET (CMAKE_X_EXTRA_LIBS ${CMAKE_X_EXTRA_LIBS} -ldnet_stub)
ENDIF (CMAKE_LIB_DNET_STUB_HAS_DNET_NTOA)
ENDIF (CMAKE_LIB_DNET_HAS_DNET_NTOA)
ENDIF(NOT CMAKE_LIB_X11_SOLO)
# 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 (CMAKE_X_EXTRA_LIBS ${CMAKE_X_EXTRA_LIBS} -lnsl)
ELSE (CMAKE_LIB_NSL_HAS_GETHOSTBYNAME)
CHECK_LIBRARY_EXISTS("bsd" "gethostbyname" "" CMAKE_LIB_BSD_HAS_GETHOSTBYNAME)
IF (CMAKE_LIB_BSD_HAS_GETHOSTBYNAME)
SET (CMAKE_X_EXTRA_LIBS ${CMAKE_X_EXTRA_LIBS} -lbsd)
ENDIF (CMAKE_LIB_BSD_HAS_GETHOSTBYNAME)
ENDIF (CMAKE_LIB_NSL_HAS_GETHOSTBYNAME)
ENDIF(NOT CMAKE_HAVE_GETHOSTBYNAME)
# 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 (CMAKE_X_EXTRA_LIBS -lsocket ${CMAKE_X_EXTRA_LIBS})
ENDIF (CMAKE_LIB_SOCKET_HAS_CONNECT)
ENDIF(NOT CMAKE_HAVE_CONNECT)
# 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 (CMAKE_X_EXTRA_LIBS ${CMAKE_X_EXTRA_LIBS} -lposix)
ENDIF (CMAKE_LIB_POSIX_HAS_REMOVE)
ENDIF(NOT CMAKE_HAVE_REMOVE)
# 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 (CMAKE_X_EXTRA_LIBS ${CMAKE_X_EXTRA_LIBS} -lipc)
ENDIF (CMAKE_LIB_IPS_HAS_SHMAT)
ENDIF(NOT CMAKE_HAVE_SHMAT)
ENDIF($ENV{ISC} MATCHES "^yes$")
CHECK_LIBRARY_EXISTS("ICE" "IceConnectionNumber" ""
CMAKE_LIB_ICE_HAS_ICECONNECTIONNUMBER)
IF(CMAKE_LIB_ICE_HAS_ICECONNECTIONNUMBER)
SET (CMAKE_X_PRE_LIBS -lSM -lICE)
ENDIF(CMAKE_LIB_ICE_HAS_ICECONNECTIONNUMBER)
# Build the final list of libraries.
SET (CMAKE_X_LIBS ${CMAKE_X_PRE_LIBS} ${CMAKE_X_LIBS} ${CMAKE_X_EXTRA_LIBS})
ENDIF(CMAKE_HAS_X)
MARK_AS_ADVANCED(
CMAKE_X11_INCLUDE_PATH
CMAKE_X11_LIB
CMAKE_Xext_LIB
CMAKE_Xlib_INCLUDE_PATH
CMAKE_Xutil_INCLUDE_PATH
CMAKE_X_LIBS
)
ENDIF (UNIX)