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Diffstat (limited to 'Modules/FindCurses.cmake')
-rw-r--r-- | Modules/FindCurses.cmake | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/Modules/FindCurses.cmake b/Modules/FindCurses.cmake new file mode 100644 index 0000000..e236c24 --- /dev/null +++ b/Modules/FindCurses.cmake @@ -0,0 +1,214 @@ +#.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_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. +# +# 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. + +#============================================================================= +# Copyright 2001-2014 Kitware, Inc. +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +include(${CMAKE_CURRENT_LIST_DIR}/CheckLibraryExists.cmake) + +find_library(CURSES_CURSES_LIBRARY NAMES curses ) + +find_library(CURSES_NCURSES_LIBRARY NAMES ncurses ) +set(CURSES_USE_NCURSES FALSE) + +if(CURSES_NCURSES_LIBRARY AND ((NOT CURSES_CURSES_LIBRARY) OR CURSES_NEED_NCURSES)) + set(CURSES_USE_NCURSES TRUE) +endif() +# http://cygwin.com/ml/cygwin-announce/2010-01/msg00002.html +# cygwin ncurses stopped providing curses.h symlinks see above +# message. Cygwin is an ncurses package, so force ncurses on +# cygwin if the curses.h is missing +if(CYGWIN) + if(NOT EXISTS /usr/include/curses.h) + set(CURSES_USE_NCURSES TRUE) + endif() +endif() + + +# Not sure the logic is correct here. +# If NCurses is required, use the function wsyncup() to check if the library +# has NCurses functionality (at least this is where it breaks on NetBSD). +# If wsyncup is in curses, use this one. +# If not, try to find ncurses and check if this has the symbol. +# Once the ncurses library is found, search the ncurses.h header first, but +# some web pages also say that even with ncurses there is not always a ncurses.h: +# http://osdir.com/ml/gnome.apps.mc.devel/2002-06/msg00029.html +# So at first try ncurses.h, if not found, try to find curses.h under the same +# prefix as the library was found, if still not found, try curses.h with the +# default search paths. +if(CURSES_CURSES_LIBRARY AND CURSES_NEED_NCURSES) + include(${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) + find_path(CURSES_INCLUDE_PATH + NAMES ncurses/ncurses.h ncurses/curses.h ncurses.h curses.h + PATHS ${CURSES_NCURSES_INCLUDE_PATH} + NO_DEFAULT_PATH + ) + endif() + + find_path(CURSES_INCLUDE_PATH + NAMES ncurses/ncurses.h ncurses/curses.h ncurses.h curses.h + HINTS "${_cursesParentDir}/include" + ) + + # 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) + if(NOT CURSES_NCURSES_HAS_CBREAK) + find_library(CURSES_EXTRA_LIBRARY tinfo HINTS "${_cursesLibDir}") + find_library(CURSES_EXTRA_LIBRARY tinfo ) + endif() +else() + get_filename_component(_cursesLibDir "${CURSES_CURSES_LIBRARY}" PATH) + get_filename_component(_cursesParentDir "${_cursesLibDir}" PATH) + + find_path(CURSES_INCLUDE_PATH + NAMES curses.h + HINTS "${_cursesParentDir}/include" + ) + + # 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(EXISTS "${CURSES_INCLUDE_PATH}/ncurses/ncurses.h") + set(CURSES_HAVE_NCURSES_NCURSES_H "${CURSES_INCLUDE_PATH}/ncurses/ncurses.h") + else() + set(CURSES_HAVE_NCURSES_NCURSES_H "CURSES_HAVE_NCURSES_NCURSES_H-NOTFOUND") + endif() +endif() +if(NOT DEFINED CURSES_HAVE_NCURSES_CURSES_H) + if(EXISTS "${CURSES_INCLUDE_PATH}/ncurses/curses.h") + set(CURSES_HAVE_NCURSES_CURSES_H "${CURSES_INCLUDE_PATH}/ncurses/curses.h") + else() + set(CURSES_HAVE_NCURSES_CURSES_H "CURSES_HAVE_NCURSES_CURSES_H-NOTFOUND") + endif() +endif() +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() + +find_library(CURSES_FORM_LIBRARY form HINTS "${_cursesLibDir}") +find_library(CURSES_FORM_LIBRARY form ) + +# Previous versions of FindCurses provided these values. +if(NOT DEFINED FORM_LIBRARY) + set(FORM_LIBRARY "${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 result. +set(CURSES_INCLUDE_DIRS ${CURSES_INCLUDE_PATH}) +set(CURSES_INCLUDE_DIR ${CURSES_INCLUDE_PATH}) # compatibility + +# handle the QUIETLY and REQUIRED arguments and set CURSES_FOUND to TRUE if +# all listed variables are TRUE +include(${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_EXTRA_LIBRARY + ) |