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d02e58c470
1f646c6cFindCurses: Detect and satisfy ncurses dependency on tinfo0e4a2c7eFindCurses: Honor CURSES_NEED_NCURSES when curses is found
203 lines
7.2 KiB
CMake
203 lines
7.2 KiB
CMake
#.rst:
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# FindCurses
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# ----------
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#
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# Find the curses include file and library
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#
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#
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#
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# ::
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#
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# CURSES_FOUND - system has Curses
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# CURSES_INCLUDE_DIR - the Curses include directory
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# CURSES_LIBRARIES - The libraries needed to use Curses
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# CURSES_HAVE_CURSES_H - true if curses.h is available
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# CURSES_HAVE_NCURSES_H - true if ncurses.h is available
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# CURSES_HAVE_NCURSES_NCURSES_H - true if ncurses/ncurses.h is available
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# CURSES_HAVE_NCURSES_CURSES_H - true if ncurses/curses.h is available
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# CURSES_LIBRARY - set for backwards compatibility with 2.4 CMake
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#
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#
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#
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# Set CURSES_NEED_NCURSES to TRUE before the find_package() command if
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# NCurses functionality is required.
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#=============================================================================
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# Copyright 2001-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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find_library(CURSES_CURSES_LIBRARY NAMES curses )
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find_library(CURSES_NCURSES_LIBRARY NAMES ncurses )
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set(CURSES_USE_NCURSES FALSE)
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if(CURSES_NCURSES_LIBRARY AND ((NOT CURSES_CURSES_LIBRARY) OR CURSES_NEED_NCURSES))
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set(CURSES_USE_NCURSES TRUE)
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endif()
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# http://cygwin.com/ml/cygwin-announce/2010-01/msg00002.html
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# cygwin ncurses stopped providing curses.h symlinks see above
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# message. Cygwin is an ncurses package, so force ncurses on
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# cygwin if the curses.h is missing
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if(CYGWIN)
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if(NOT EXISTS /usr/include/curses.h)
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set(CURSES_USE_NCURSES TRUE)
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endif()
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endif()
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# Not sure the logic is correct here.
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# If NCurses is required, use the function wsyncup() to check if the library
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# has NCurses functionality (at least this is where it breaks on NetBSD).
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# If wsyncup is in curses, use this one.
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# If not, try to find ncurses and check if this has the symbol.
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# Once the ncurses library is found, search the ncurses.h header first, but
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# some web pages also say that even with ncurses there is not always a ncurses.h:
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# http://osdir.com/ml/gnome.apps.mc.devel/2002-06/msg00029.html
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# So at first try ncurses.h, if not found, try to find curses.h under the same
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# prefix as the library was found, if still not found, try curses.h with the
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# default search paths.
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if(CURSES_CURSES_LIBRARY AND CURSES_NEED_NCURSES)
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include(${CMAKE_CURRENT_LIST_DIR}/CheckLibraryExists.cmake)
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include(${CMAKE_CURRENT_LIST_DIR}/CMakePushCheckState.cmake)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_QUIET ${Curses_FIND_QUIETLY})
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CHECK_LIBRARY_EXISTS("${CURSES_CURSES_LIBRARY}"
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wsyncup "" CURSES_CURSES_HAS_WSYNCUP)
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if(CURSES_NCURSES_LIBRARY AND NOT CURSES_CURSES_HAS_WSYNCUP)
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CHECK_LIBRARY_EXISTS("${CURSES_NCURSES_LIBRARY}"
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wsyncup "" CURSES_NCURSES_HAS_WSYNCUP)
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if( CURSES_NCURSES_HAS_WSYNCUP)
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set(CURSES_USE_NCURSES TRUE)
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endif()
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endif()
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cmake_pop_check_state()
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endif()
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if(NOT CURSES_USE_NCURSES)
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find_file(CURSES_HAVE_CURSES_H curses.h )
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find_path(CURSES_CURSES_H_PATH curses.h )
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get_filename_component(_cursesLibDir "${CURSES_CURSES_LIBRARY}" PATH)
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get_filename_component(_cursesParentDir "${_cursesLibDir}" PATH)
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# for compatibility with older FindCurses.cmake this has to be in the cache
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# FORCE must not be used since this would break builds which preload a cache wqith these variables set
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set(CURSES_INCLUDE_PATH "${CURSES_CURSES_H_PATH}"
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CACHE FILEPATH "The curses include path")
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set(CURSES_LIBRARY "${CURSES_CURSES_LIBRARY}"
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CACHE FILEPATH "The curses library")
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else()
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# we need to find ncurses
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get_filename_component(_cursesLibDir "${CURSES_NCURSES_LIBRARY}" PATH)
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get_filename_component(_cursesParentDir "${_cursesLibDir}" PATH)
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find_file(CURSES_HAVE_NCURSES_H ncurses.h)
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find_file(CURSES_HAVE_NCURSES_NCURSES_H ncurses/ncurses.h)
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find_file(CURSES_HAVE_NCURSES_CURSES_H ncurses/curses.h)
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find_file(CURSES_HAVE_CURSES_H curses.h
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HINTS "${_cursesParentDir}/include")
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find_path(CURSES_NCURSES_INCLUDE_PATH ncurses.h ncurses/ncurses.h
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ncurses/curses.h)
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find_path(CURSES_NCURSES_INCLUDE_PATH curses.h
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HINTS "${_cursesParentDir}/include")
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# for compatibility with older FindCurses.cmake this has to be in the cache
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# FORCE must not be used since this would break builds which preload
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# however if the value of the variable has NOTFOUND in it, then
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# it is OK to force, and we need to force in order to have it work.
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# a cache wqith these variables set
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# only put ncurses include and library into
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# variables if they are found
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if(NOT CURSES_NCURSES_INCLUDE_PATH AND CURSES_HAVE_NCURSES_NCURSES_H)
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get_filename_component(CURSES_NCURSES_INCLUDE_PATH
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"${CURSES_HAVE_NCURSES_NCURSES_H}" PATH)
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endif()
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if(CURSES_NCURSES_INCLUDE_PATH AND CURSES_NCURSES_LIBRARY)
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set( FORCE_IT )
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if(CURSES_INCLUDE_PATH MATCHES NOTFOUND)
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set(FORCE_IT FORCE)
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endif()
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set(CURSES_INCLUDE_PATH "${CURSES_NCURSES_INCLUDE_PATH}"
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CACHE FILEPATH "The curses include path" ${FORCE_IT})
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set( FORCE_IT)
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if(CURSES_LIBRARY MATCHES NOTFOUND)
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set(FORCE_IT FORCE)
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endif()
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set(CURSES_LIBRARY "${CURSES_NCURSES_LIBRARY}"
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CACHE FILEPATH "The curses library" ${FORCE_IT})
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endif()
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CHECK_LIBRARY_EXISTS("${CURSES_NCURSES_LIBRARY}"
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cbreak "" CURSES_NCURSES_HAS_CBREAK)
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if(NOT CURSES_NCURSES_HAS_CBREAK)
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find_library(CURSES_EXTRA_LIBRARY tinfo HINTS "${_cursesLibDir}")
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find_library(CURSES_EXTRA_LIBRARY tinfo )
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CHECK_LIBRARY_EXISTS("${CURSES_EXTRA_LIBRARY}"
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cbreak "" CURSES_TINFO_HAS_CBREAK)
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endif()
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endif()
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if (NOT CURSES_TINFO_HAS_CBREAK)
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find_library(CURSES_EXTRA_LIBRARY cur_colr HINTS "${_cursesLibDir}")
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find_library(CURSES_EXTRA_LIBRARY cur_colr )
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endif()
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find_library(CURSES_FORM_LIBRARY form HINTS "${_cursesLibDir}")
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find_library(CURSES_FORM_LIBRARY form )
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# for compatibility with older FindCurses.cmake this has to be in the cache
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# FORCE must not be used since this would break builds which preload a cache
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# qith these variables set
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set(FORM_LIBRARY "${CURSES_FORM_LIBRARY}"
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CACHE FILEPATH "The curses form library")
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# Need to provide the *_LIBRARIES
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set(CURSES_LIBRARIES ${CURSES_LIBRARY})
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if(CURSES_EXTRA_LIBRARY)
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set(CURSES_LIBRARIES ${CURSES_LIBRARIES} ${CURSES_EXTRA_LIBRARY})
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endif()
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if(CURSES_FORM_LIBRARY)
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set(CURSES_LIBRARIES ${CURSES_LIBRARIES} ${CURSES_FORM_LIBRARY})
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endif()
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# Proper name is *_INCLUDE_DIR
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set(CURSES_INCLUDE_DIR ${CURSES_INCLUDE_PATH})
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# handle the QUIETLY and REQUIRED arguments and set CURSES_FOUND to TRUE if
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# all listed variables are TRUE
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Curses DEFAULT_MSG
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CURSES_LIBRARY CURSES_INCLUDE_PATH)
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mark_as_advanced(
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CURSES_INCLUDE_PATH
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CURSES_LIBRARY
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CURSES_CURSES_INCLUDE_PATH
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CURSES_CURSES_LIBRARY
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CURSES_NCURSES_INCLUDE_PATH
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CURSES_NCURSES_LIBRARY
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CURSES_EXTRA_LIBRARY
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FORM_LIBRARY
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CURSES_LIBRARIES
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CURSES_INCLUDE_DIR
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CURSES_CURSES_HAS_WSYNCUP
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CURSES_NCURSES_HAS_WSYNCUP
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CURSES_NCURSES_HAS_CBREAK
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CURSES_TINFO_HAS_CBREAK
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)
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