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Diffstat (limited to 'share/cmake-3.22/Modules/FindCurses.cmake')
| -rw-r--r-- | share/cmake-3.22/Modules/FindCurses.cmake | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/share/cmake-3.22/Modules/FindCurses.cmake b/share/cmake-3.22/Modules/FindCurses.cmake new file mode 100644 index 0000000..bfa1d6f --- /dev/null +++ b/share/cmake-3.22/Modules/FindCurses.cmake @@ -0,0 +1,276 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.rst: +FindCurses +---------- + +Find the curses or ncurses include file and library. + +Result Variables +^^^^^^^^^^^^^^^^ + +This module defines the following variables: + +``CURSES_FOUND`` + True if Curses is found. +``CURSES_INCLUDE_DIRS`` + The include directories needed to use Curses. +``CURSES_LIBRARIES`` + The libraries needed to use Curses. +``CURSES_CFLAGS`` + .. versionadded:: 3.16 + + Parameters which ought be given to C/C++ compilers when using 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. + +Set ``CURSES_NEED_NCURSES`` to ``TRUE`` before the +``find_package(Curses)`` call if NCurses functionality is required. + +.. versionadded:: 3.10 + Set ``CURSES_NEED_WIDE`` to ``TRUE`` before the + ``find_package(Curses)`` call if unicode functionality is required. + +Backward Compatibility +^^^^^^^^^^^^^^^^^^^^^^ + +The following variable are provided for backward compatibility: + +``CURSES_INCLUDE_DIR`` + Path to Curses include. Use ``CURSES_INCLUDE_DIRS`` instead. +``CURSES_LIBRARY`` + Path to Curses library. Use ``CURSES_LIBRARIES`` instead. +#]=======================================================================] + +include(${CMAKE_CURRENT_LIST_DIR}/CheckLibraryExists.cmake) + +# we don't know anything about cursesw, so only ncurses +# may be ncursesw +if(NOT CURSES_NEED_WIDE) + set(NCURSES_LIBRARY_NAME "ncurses") + set(CURSES_FORM_LIBRARY_NAME "form") +else() + set(NCURSES_LIBRARY_NAME "ncursesw") + set(CURSES_FORM_LIBRARY_NAME "formw") + # Also, if we are searching for wide curses - we are actually searching + # for ncurses, we don't know about any other unicode version. + set(CURSES_NEED_NCURSES TRUE) +endif() + +find_library(CURSES_CURSES_LIBRARY NAMES curses) + +find_library(CURSES_NCURSES_LIBRARY NAMES "${NCURSES_LIBRARY_NAME}" ) +set(CURSES_USE_NCURSES FALSE) + +if(CURSES_NCURSES_LIBRARY AND ((NOT CURSES_CURSES_LIBRARY) OR CURSES_NEED_NCURSES)) + set(CURSES_USE_NCURSES TRUE) +endif() +# http://cygwin.com/ml/cygwin-announce/2010-01/msg00002.html +# cygwin ncurses stopped providing curses.h symlinks see above +# message. Cygwin is an ncurses package, so force ncurses on +# cygwin if the curses.h is missing +if(CURSES_NCURSES_LIBRARY AND CYGWIN) + if (CURSES_NEED_WIDE) + if(NOT EXISTS /usr/include/ncursesw/curses.h) + set(CURSES_USE_NCURSES TRUE) + endif() + else() + if(NOT EXISTS /usr/include/curses.h) + set(CURSES_USE_NCURSES TRUE) + endif() + endif() +endif() + + +# 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_CURSES_LIBRARY AND CURSES_NEED_NCURSES) + include(${CMAKE_CURRENT_LIST_DIR}/CMakePushCheckState.cmake) + cmake_push_check_state() + set(CMAKE_REQUIRED_QUIET ${Curses_FIND_QUIETLY}) + CHECK_LIBRARY_EXISTS("${CURSES_CURSES_LIBRARY}" + wsyncup "" CURSES_CURSES_HAS_WSYNCUP) + + if(CURSES_NCURSES_LIBRARY AND NOT CURSES_CURSES_HAS_WSYNCUP) + CHECK_LIBRARY_EXISTS("${CURSES_NCURSES_LIBRARY}" + wsyncup "" CURSES_NCURSES_HAS_WSYNCUP) + if( CURSES_NCURSES_HAS_WSYNCUP) + set(CURSES_USE_NCURSES TRUE) + endif() + endif() + cmake_pop_check_state() + +endif() + +if(CURSES_USE_NCURSES) + get_filename_component(_cursesLibDir "${CURSES_NCURSES_LIBRARY}" PATH) + get_filename_component(_cursesParentDir "${_cursesLibDir}" PATH) + + # Use CURSES_NCURSES_INCLUDE_PATH if set, for compatibility. + if(CURSES_NCURSES_INCLUDE_PATH) + if (CURSES_NEED_WIDE) + find_path(CURSES_INCLUDE_PATH + NAMES ncursesw/ncurses.h ncursesw/curses.h ncursesw.h cursesw.h + PATHS ${CURSES_NCURSES_INCLUDE_PATH} + NO_DEFAULT_PATH + ) + else() + find_path(CURSES_INCLUDE_PATH + NAMES ncurses/ncurses.h ncurses/curses.h ncurses.h curses.h + PATHS ${CURSES_NCURSES_INCLUDE_PATH} + NO_DEFAULT_PATH + ) + endif() + endif() + + if (CURSES_NEED_WIDE) + set(CURSES_TINFO_LIBRARY_NAME tinfow) + find_path(CURSES_INCLUDE_PATH + NAMES ncursesw/ncurses.h ncursesw/curses.h ncursesw.h cursesw.h + HINTS "${_cursesParentDir}/include" + ) + else() + set(CURSES_TINFO_LIBRARY_NAME tinfo) + find_path(CURSES_INCLUDE_PATH + NAMES ncurses/ncurses.h ncurses/curses.h ncurses.h curses.h + HINTS "${_cursesParentDir}/include" + ) + endif() + + # Previous versions of FindCurses provided these values. + if(NOT DEFINED CURSES_LIBRARY) + set(CURSES_LIBRARY "${CURSES_NCURSES_LIBRARY}") + endif() + + CHECK_LIBRARY_EXISTS("${CURSES_NCURSES_LIBRARY}" + cbreak "" CURSES_NCURSES_HAS_CBREAK) + CHECK_LIBRARY_EXISTS("${CURSES_NCURSES_LIBRARY}" + nodelay "" CURSES_NCURSES_HAS_NODELAY) + if(NOT CURSES_NCURSES_HAS_CBREAK OR NOT CURSES_NCURSES_HAS_NODELAY) + find_library(CURSES_EXTRA_LIBRARY "${CURSES_TINFO_LIBRARY_NAME}" HINTS "${_cursesLibDir}") + find_library(CURSES_EXTRA_LIBRARY "${CURSES_TINFO_LIBRARY_NAME}" ) + + mark_as_advanced( + CURSES_EXTRA_LIBRARY + ) + endif() +else() + get_filename_component(_cursesLibDir "${CURSES_CURSES_LIBRARY}" PATH) + get_filename_component(_cursesParentDir "${_cursesLibDir}" PATH) + + #We can't find anything with CURSES_NEED_WIDE because we know + #only about ncursesw unicode curses version + if(NOT CURSES_NEED_WIDE) + find_path(CURSES_INCLUDE_PATH + NAMES curses.h + HINTS "${_cursesParentDir}/include" + ) + endif() + + # Previous versions of FindCurses provided these values. + if(NOT DEFINED CURSES_CURSES_H_PATH) + set(CURSES_CURSES_H_PATH "${CURSES_INCLUDE_PATH}") + endif() + if(NOT DEFINED CURSES_LIBRARY) + set(CURSES_LIBRARY "${CURSES_CURSES_LIBRARY}") + endif() +endif() + +# Report whether each possible header name exists in the include directory. +if(NOT DEFINED CURSES_HAVE_NCURSES_NCURSES_H) + if(CURSES_NEED_WIDE) + if(EXISTS "${CURSES_INCLUDE_PATH}/ncursesw/ncurses.h") + set(CURSES_HAVE_NCURSES_NCURSES_H "${CURSES_INCLUDE_PATH}/ncursesw/ncurses.h") + endif() + elseif(EXISTS "${CURSES_INCLUDE_PATH}/ncurses/ncurses.h") + set(CURSES_HAVE_NCURSES_NCURSES_H "${CURSES_INCLUDE_PATH}/ncurses/ncurses.h") + endif() + if(NOT DEFINED CURSES_HAVE_NCURSES_NCURSES_H) + set(CURSES_HAVE_NCURSES_NCURSES_H "CURSES_HAVE_NCURSES_NCURSES_H-NOTFOUND") + endif() +endif() +if(NOT DEFINED CURSES_HAVE_NCURSES_CURSES_H) + if(CURSES_NEED_WIDE) + if(EXISTS "${CURSES_INCLUDE_PATH}/ncursesw/curses.h") + set(CURSES_HAVE_NCURSES_CURSES_H "${CURSES_INCLUDE_PATH}/ncursesw/curses.h") + endif() + elseif(EXISTS "${CURSES_INCLUDE_PATH}/ncurses/curses.h") + set(CURSES_HAVE_NCURSES_CURSES_H "${CURSES_INCLUDE_PATH}/ncurses/curses.h") + endif() + if(NOT DEFINED CURSES_HAVE_NCURSES_CURSES_H) + set(CURSES_HAVE_NCURSES_CURSES_H "CURSES_HAVE_NCURSES_CURSES_H-NOTFOUND") + endif() +endif() +if(NOT CURSES_NEED_WIDE) + #ncursesw can't be found for this paths + if(NOT DEFINED CURSES_HAVE_NCURSES_H) + if(EXISTS "${CURSES_INCLUDE_PATH}/ncurses.h") + set(CURSES_HAVE_NCURSES_H "${CURSES_INCLUDE_PATH}/ncurses.h") + else() + set(CURSES_HAVE_NCURSES_H "CURSES_HAVE_NCURSES_H-NOTFOUND") + endif() + endif() + if(NOT DEFINED CURSES_HAVE_CURSES_H) + if(EXISTS "${CURSES_INCLUDE_PATH}/curses.h") + set(CURSES_HAVE_CURSES_H "${CURSES_INCLUDE_PATH}/curses.h") + else() + set(CURSES_HAVE_CURSES_H "CURSES_HAVE_CURSES_H-NOTFOUND") + endif() + endif() +endif() + +find_library(CURSES_FORM_LIBRARY "${CURSES_FORM_LIBRARY_NAME}" HINTS "${_cursesLibDir}") +find_library(CURSES_FORM_LIBRARY "${CURSES_FORM_LIBRARY_NAME}" ) + +# Previous versions of FindCurses provided these values. +if(NOT DEFINED FORM_LIBRARY) + set(FORM_LIBRARY "${CURSES_FORM_LIBRARY}") +endif() + +# Need to provide the *_LIBRARIES +set(CURSES_LIBRARIES ${CURSES_LIBRARY}) + +if(CURSES_EXTRA_LIBRARY) + set(CURSES_LIBRARIES ${CURSES_LIBRARIES} ${CURSES_EXTRA_LIBRARY}) +endif() + +if(CURSES_FORM_LIBRARY) + set(CURSES_LIBRARIES ${CURSES_LIBRARIES} ${CURSES_FORM_LIBRARY}) +endif() + +# Provide the *_INCLUDE_DIRS and *_CFLAGS results. +set(CURSES_INCLUDE_DIRS ${CURSES_INCLUDE_PATH}) +set(CURSES_INCLUDE_DIR ${CURSES_INCLUDE_PATH}) # compatibility + +find_package(PkgConfig QUIET) +if(PKG_CONFIG_FOUND) + pkg_check_modules(NCURSES QUIET ${NCURSES_LIBRARY_NAME}) + set(CURSES_CFLAGS ${NCURSES_CFLAGS_OTHER}) +endif() + +include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(Curses DEFAULT_MSG + CURSES_LIBRARY CURSES_INCLUDE_PATH) + +mark_as_advanced( + CURSES_INCLUDE_PATH + CURSES_CURSES_LIBRARY + CURSES_NCURSES_LIBRARY + CURSES_FORM_LIBRARY + ) |