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# - Find the curses include file and library
#
# CURSES_FOUND - system has Curses
# CURSES_INCLUDE_DIR - the Curses include directory
# CURSES_LIBRARIES - The libraries needed to use Curses
# CURSES_HAVE_CURSES_H - true if curses.h is available
# CURSES_HAVE_NCURSES_H - true if ncurses.h is available
# CURSES_HAVE_NCURSES_NCURSES_H - true if ncurses/ncurses.h is available
# CURSES_HAVE_NCURSES_CURSES_H - true if ncurses/curses.h is available
# CURSES_LIBRARY - set for backwards compatibility with 2.4 CMake
#
# Set CURSES_NEED_NCURSES to TRUE before the FIND_PACKAGE() command if NCurses
# functionality is required.
FIND_LIBRARY(CURSES_LIBRARY NAMES curses )
FIND_LIBRARY(CURSES_NCURSES_LIBRARY NAMES ncurses )
SET(CURSES_USE_NCURSES FALSE)
IF(CURSES_NCURSES_LIBRARY AND NOT CURSES_LIBRARY)
SET(CURSES_USE_NCURSES TRUE)
ENDIF(CURSES_NCURSES_LIBRARY AND NOT CURSES_LIBRARY)
# Not sure the logic is correct here.
# If NCurses is required, use the function wsyncup() to check if the library
# has NCurses functionality (at least this is where it breaks on NetBSD).
# If wsyncup is in curses, use this one.
# If not, try to find ncurses and check if this has the symbol.
# Once the ncurses library is found, search the ncurses.h header first, but
# some web pages also say that even with ncurses there is not always a ncurses.h:
# http://osdir.com/ml/gnome.apps.mc.devel/2002-06/msg00029.html
# So at first try ncurses.h, if not found, try to find curses.h under the same
# prefix as the library was found, if still not found, try curses.h with the
# default search paths.
IF(CURSES_LIBRARY AND CURSES_NEED_NCURSES)
INCLUDE(CheckLibraryExists)
CHECK_LIBRARY_EXISTS("${CURSES_LIBRARY}" wsyncup "" CURSES_CURSES_HAS_WSYNCUP)
IF(CURSES_NCURSES_LIBRARY AND NOT CURSES_CURSES_HAS_WSYNCUP)
CHECK_LIBRARY_EXISTS("${CURSES_NCURSES_LIBRARY}" wsyncup "" CURSES_NCURSES_HAS_WSYNCUP)
IF( CURSES_NCURSES_HAS_WSYNCUP)
SET(CURSES_USE_NCURSES TRUE)
ENDIF( CURSES_NCURSES_HAS_WSYNCUP)
ENDIF(CURSES_NCURSES_LIBRARY AND NOT CURSES_CURSES_HAS_WSYNCUP)
ENDIF(CURSES_LIBRARY AND CURSES_NEED_NCURSES)
IF(NOT CURSES_USE_NCURSES)
FIND_FILE(CURSES_HAVE_CURSES_H curses.h )
FIND_PATH(CURSES_CURSES_H_PATH curses.h )
SET(CURSES_INCLUDE_PATH "${CURSES_CURSES_H_PATH}")
GET_FILENAME_COMPONENT(_cursesLibDir "${CURSES_LIBRARY}" PATH)
GET_FILENAME_COMPONENT(_cursesParentDir "${_cursesLibDir}" PATH)
ELSE(NOT CURSES_USE_NCURSES)
# we need to find ncurses
GET_FILENAME_COMPONENT(_cursesLibDir "${CURSES_NCURSES_LIBRARY}" PATH)
GET_FILENAME_COMPONENT(_cursesParentDir "${_cursesLibDir}" PATH)
FIND_FILE(CURSES_HAVE_NCURSES_H ncurses.h)
FIND_FILE(CURSES_HAVE_NCURSES_NCURSES_H ncurses/ncurses.h)
FIND_FILE(CURSES_HAVE_NCURSES_CURSES_H ncurses/curses.h)
FIND_FILE(CURSES_HAVE_CURSES_H curses.h PATHS "${_cursesParentDir}/include" NO_DEFAULT_PATH)
FIND_FILE(CURSES_HAVE_CURSES_H curses.h)
FIND_PATH(CURSES_NCURSES_INCLUDE_PATH ncurses.h ncurses/ncurses.h ncurses/curses.h)
FIND_PATH(CURSES_NCURSES_INCLUDE_PATH curses.h PATHS "${_cursesParentDir}/include" NO_DEFAULT_PATH)
FIND_PATH(CURSES_NCURSES_INCLUDE_PATH curses.h)
SET(CURSES_INCLUDE_PATH "${CURSES_NCURSES_INCLUDE_PATH}")
SET(CURSES_LIBRARY "${CURSES_NCURSES_LIBRARY}" CACHE FILEPATH "path to curses")
ENDIF(NOT CURSES_USE_NCURSES)
FIND_LIBRARY(CURSES_EXTRA_LIBRARY cur_colr PATHS "${_cursesLibDir}" NO_DEFAULT_PATH)
FIND_LIBRARY(CURSES_EXTRA_LIBRARY cur_colr )
FIND_LIBRARY(CURSES_FORM_LIBRARY form PATHS "${_cursesLibDir}" NO_DEFAULT_PATH)
FIND_LIBRARY(CURSES_FORM_LIBRARY form )
# Need to provide the *_LIBRARIES
SET(CURSES_LIBRARIES ${CURSES_LIBRARY})
IF(CURSES_EXTRA_LIBRARY)
SET(CURSES_LIBRARIES ${CURSES_LIBRARIES} ${CURSES_EXTRA_LIBRARY})
ENDIF(CURSES_EXTRA_LIBRARY)
IF(CURSES_FORM_LIBRARY)
SET(CURSES_LIBRARIES ${CURSES_LIBRARIES} ${CURSES_FORM_LIBRARY})
ENDIF(CURSES_FORM_LIBRARY)
# Proper name is *_INCLUDE_DIR
SET(CURSES_INCLUDE_DIR ${CURSES_INCLUDE_PATH})
# handle the QUIETLY and REQUIRED arguments and set CURSES_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Curses DEFAULT_MSG CURSES_LIBRARY CURSES_INCLUDE_PATH)
# for compatibility
SET(FORM_LIBRARY "${CURSES_FORM_LIBRARY}")
MARK_AS_ADVANCED(
CURSES_INCLUDE_PATH
CURSES_LIBRARY
CURSES_CURSES_INCLUDE_PATH
CURSES_LIBRARY
CURSES_NCURSES_INCLUDE_PATH
CURSES_NCURSES_LIBRARY
CURSES_EXTRA_LIBRARY
FORM_LIBRARY
CURSES_LIBRARIES
CURSES_INCLUDE_DIR
CURSES_CURSES_HAS_WSYNCUP
CURSES_NCURSES_HAS_WSYNCUP
)
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