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256 lines
8.4 KiB
CMake
256 lines
8.4 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindCurses
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----------
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Find the curses or ncurses include file and library.
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Result Variables
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^^^^^^^^^^^^^^^^
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This module defines the following variables:
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``CURSES_FOUND``
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True if Curses is found.
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``CURSES_INCLUDE_DIRS``
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The include directories needed to use Curses.
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``CURSES_LIBRARIES``
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The libraries needed to use Curses.
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``CURSES_HAVE_CURSES_H``
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True if curses.h is available.
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``CURSES_HAVE_NCURSES_H``
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True if ncurses.h is available.
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``CURSES_HAVE_NCURSES_NCURSES_H``
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True if ``ncurses/ncurses.h`` is available.
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``CURSES_HAVE_NCURSES_CURSES_H``
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True if ``ncurses/curses.h`` is available.
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Set ``CURSES_NEED_NCURSES`` to ``TRUE`` before the
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``find_package(Curses)`` call if NCurses functionality is required.
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Set ``CURSES_NEED_WIDE`` to ``TRUE`` before the
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``find_package(Curses)`` call if unicode functionality is required.
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Backward Compatibility
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^^^^^^^^^^^^^^^^^^^^^^
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The following variable are provided for backward compatibility:
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``CURSES_INCLUDE_DIR``
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Path to Curses include. Use ``CURSES_INCLUDE_DIRS`` instead.
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``CURSES_LIBRARY``
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Path to Curses library. Use ``CURSES_LIBRARIES`` instead.
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#]=======================================================================]
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include(${CMAKE_CURRENT_LIST_DIR}/CheckLibraryExists.cmake)
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# we don't know anything about cursesw, so only ncurses
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# may be ncursesw
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if(NOT CURSES_NEED_WIDE)
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set(NCURSES_LIBRARY_NAME "ncurses")
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else()
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set(NCURSES_LIBRARY_NAME "ncursesw")
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# Also, if we are searchig fo wide curses - we are actually searching
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# for ncurses, we don't know about any other unicode version.
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set(CURSES_NEED_NCURSES TRUE)
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endif()
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find_library(CURSES_CURSES_LIBRARY NAMES curses )
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find_library(CURSES_NCURSES_LIBRARY NAMES "${NCURSES_LIBRARY_NAME}" )
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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 (CURSES_NEED_WIDE)
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if(NOT EXISTS /usr/include/ncursesw/curses.h)
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set(CURSES_USE_NCURSES TRUE)
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endif()
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else()
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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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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}/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("${CURSES_NCURSES_LIBRARY}"
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wsyncup "" CURSES_NCURSES_HAS_WSYNCUP)
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if( CURSES_NCURSES_HAS_WSYNCUP)
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set(CURSES_USE_NCURSES TRUE)
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endif()
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endif()
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cmake_pop_check_state()
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endif()
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if(CURSES_USE_NCURSES)
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get_filename_component(_cursesLibDir "${CURSES_NCURSES_LIBRARY}" PATH)
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get_filename_component(_cursesParentDir "${_cursesLibDir}" PATH)
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# Use CURSES_NCURSES_INCLUDE_PATH if set, for compatibility.
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if(CURSES_NCURSES_INCLUDE_PATH)
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if (CURSES_NEED_WIDE)
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find_path(CURSES_INCLUDE_PATH
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NAMES ncursesw/ncurses.h ncursesw/curses.h
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PATHS ${CURSES_NCURSES_INCLUDE_PATH}
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NO_DEFAULT_PATH
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)
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else()
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find_path(CURSES_INCLUDE_PATH
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NAMES ncurses/ncurses.h ncurses/curses.h ncurses.h curses.h
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PATHS ${CURSES_NCURSES_INCLUDE_PATH}
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NO_DEFAULT_PATH
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)
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endif()
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endif()
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if (CURSES_NEED_WIDE)
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find_path(CURSES_INCLUDE_PATH
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NAMES ncursesw/ncurses.h ncursesw/curses.h
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HINTS "${_cursesParentDir}/include"
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)
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else()
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find_path(CURSES_INCLUDE_PATH
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NAMES ncurses/ncurses.h ncurses/curses.h ncurses.h curses.h
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HINTS "${_cursesParentDir}/include"
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)
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endif()
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# Previous versions of FindCurses provided these values.
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if(NOT DEFINED CURSES_LIBRARY)
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set(CURSES_LIBRARY "${CURSES_NCURSES_LIBRARY}")
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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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endif()
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else()
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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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#We can't find anything with CURSES_NEED_WIDE because we know
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#only about ncursesw unicode curses version
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if(NOT CURSES_NEED_WIDE)
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find_path(CURSES_INCLUDE_PATH
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NAMES curses.h
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HINTS "${_cursesParentDir}/include"
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)
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endif()
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# Previous versions of FindCurses provided these values.
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if(NOT DEFINED CURSES_CURSES_H_PATH)
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set(CURSES_CURSES_H_PATH "${CURSES_INCLUDE_PATH}")
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endif()
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if(NOT DEFINED CURSES_LIBRARY)
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set(CURSES_LIBRARY "${CURSES_CURSES_LIBRARY}")
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endif()
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endif()
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# Report whether each possible header name exists in the include directory.
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if(NOT DEFINED CURSES_HAVE_NCURSES_NCURSES_H)
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if(CURSES_NEED_WIDE)
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if(EXISTS "${CURSES_INCLUDE_PATH}/ncursesw/ncurses.h")
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set(CURSES_HAVE_NCURSES_NCURSES_H "${CURSES_INCLUDE_PATH}/ncursesw/ncurses.h")
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endif()
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elseif(EXISTS "${CURSES_INCLUDE_PATH}/ncurses/ncurses.h")
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set(CURSES_HAVE_NCURSES_NCURSES_H "${CURSES_INCLUDE_PATH}/ncurses/ncurses.h")
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endif()
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if(NOT DEFINED CURSES_HAVE_NCURSES_NCURSES_H)
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set(CURSES_HAVE_NCURSES_NCURSES_H "CURSES_HAVE_NCURSES_NCURSES_H-NOTFOUND")
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endif()
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endif()
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if(NOT DEFINED CURSES_HAVE_NCURSES_CURSES_H)
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if(CURSES_NEED_WIDE)
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if(EXISTS "${CURSES_INCLUDE_PATH}/ncursesw/curses.h")
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set(CURSES_HAVE_NCURSES_CURSES_H "${CURSES_INCLUDE_PATH}/ncursesw/curses.h")
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endif()
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elseif(EXISTS "${CURSES_INCLUDE_PATH}/ncurses/curses.h")
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set(CURSES_HAVE_NCURSES_CURSES_H "${CURSES_INCLUDE_PATH}/ncurses/curses.h")
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endif()
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if(NOT DEFINED CURSES_HAVE_NCURSES_CURSES_H)
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set(CURSES_HAVE_NCURSES_CURSES_H "CURSES_HAVE_NCURSES_CURSES_H-NOTFOUND")
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endif()
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endif()
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if(NOT CURSES_NEED_WIDE)
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#ncursesw can't be found for this paths
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if(NOT DEFINED CURSES_HAVE_NCURSES_H)
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if(EXISTS "${CURSES_INCLUDE_PATH}/ncurses.h")
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set(CURSES_HAVE_NCURSES_H "${CURSES_INCLUDE_PATH}/ncurses.h")
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else()
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set(CURSES_HAVE_NCURSES_H "CURSES_HAVE_NCURSES_H-NOTFOUND")
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endif()
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endif()
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if(NOT DEFINED CURSES_HAVE_CURSES_H)
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if(EXISTS "${CURSES_INCLUDE_PATH}/curses.h")
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set(CURSES_HAVE_CURSES_H "${CURSES_INCLUDE_PATH}/curses.h")
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else()
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set(CURSES_HAVE_CURSES_H "CURSES_HAVE_CURSES_H-NOTFOUND")
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endif()
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endif()
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endif()
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find_library(CURSES_FORM_LIBRARY form HINTS "${_cursesLibDir}")
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find_library(CURSES_FORM_LIBRARY form )
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# Previous versions of FindCurses provided these values.
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if(NOT DEFINED FORM_LIBRARY)
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set(FORM_LIBRARY "${CURSES_FORM_LIBRARY}")
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endif()
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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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# Provide the *_INCLUDE_DIRS result.
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set(CURSES_INCLUDE_DIRS ${CURSES_INCLUDE_PATH})
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set(CURSES_INCLUDE_DIR ${CURSES_INCLUDE_PATH}) # compatibility
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include(${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_CURSES_LIBRARY
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CURSES_NCURSES_LIBRARY
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CURSES_EXTRA_LIBRARY
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CURSES_FORM_LIBRARY
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)
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