diff options
Diffstat (limited to 'Modules/FindCurses.cmake')
| -rw-r--r-- | Modules/FindCurses.cmake | 210 |
1 files changed, 118 insertions, 92 deletions
diff --git a/Modules/FindCurses.cmake b/Modules/FindCurses.cmake index 09d1ba401..4365e996e 100644 --- a/Modules/FindCurses.cmake +++ b/Modules/FindCurses.cmake @@ -1,36 +1,53 @@ -# - Find the curses include file and library +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#.rst: +# FindCurses +# ---------- # -# 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 +# Find the curses or ncurses include file and library. # -# Set CURSES_NEED_NCURSES to TRUE before the find_package() command if NCurses -# functionality is required. - -#============================================================================= -# Copyright 2001-2009 Kitware, Inc. +# 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. # -# Distributed under the OSI-approved BSD License (the "License"); -# see accompanying file Copyright.txt for details. +# Set ``CURSES_NEED_NCURSES`` to ``TRUE`` before the +# ``find_package(Curses)`` call if NCurses functionality is required. # -# 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.) +# 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(${CMAKE_CURRENT_LIST_DIR}/CheckLibraryExists.cmake) find_library(CURSES_CURSES_LIBRARY NAMES curses ) find_library(CURSES_NCURSES_LIBRARY NAMES ncurses ) set(CURSES_USE_NCURSES FALSE) -if(CURSES_NCURSES_LIBRARY AND NOT CURSES_CURSES_LIBRARY) +if(CURSES_NCURSES_LIBRARY AND ((NOT CURSES_CURSES_LIBRARY) OR CURSES_NEED_NCURSES)) set(CURSES_USE_NCURSES TRUE) endif() # http://cygwin.com/ml/cygwin-announce/2010-01/msg00002.html @@ -56,7 +73,9 @@ endif() # prefix as the library was found, if still not found, try curses.h with the # default search paths. if(CURSES_CURSES_LIBRARY AND CURSES_NEED_NCURSES) - include(${CMAKE_CURRENT_LIST_DIR}/CheckLibraryExists.cmake) + 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) @@ -67,77 +86,94 @@ if(CURSES_CURSES_LIBRARY AND CURSES_NEED_NCURSES) set(CURSES_USE_NCURSES TRUE) endif() endif() + cmake_pop_check_state() endif() - -if(NOT CURSES_USE_NCURSES) - find_file(CURSES_HAVE_CURSES_H curses.h ) - find_path(CURSES_CURSES_H_PATH curses.h ) - get_filename_component(_cursesLibDir "${CURSES_CURSES_LIBRARY}" PATH) +if(CURSES_USE_NCURSES) + get_filename_component(_cursesLibDir "${CURSES_NCURSES_LIBRARY}" PATH) get_filename_component(_cursesParentDir "${_cursesLibDir}" PATH) - # for compatibility with older FindCurses.cmake this has to be in the cache - # FORCE must not be used since this would break builds which preload a cache wqith these variables set - set(CURSES_INCLUDE_PATH "${CURSES_CURSES_H_PATH}" - CACHE FILEPATH "The curses include path") - set(CURSES_LIBRARY "${CURSES_CURSES_LIBRARY}" - CACHE FILEPATH "The curses library") + # 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 "${_cursesLibDir}") + find_library(CURSES_EXTRA_LIBRARY tinfo ) + endif() else() -# we need to find ncurses - get_filename_component(_cursesLibDir "${CURSES_NCURSES_LIBRARY}" PATH) + get_filename_component(_cursesLibDir "${CURSES_CURSES_LIBRARY}" PATH) get_filename_component(_cursesParentDir "${_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 - HINTS "${_cursesParentDir}/include") - - find_path(CURSES_NCURSES_INCLUDE_PATH ncurses.h ncurses/ncurses.h - ncurses/curses.h) - find_path(CURSES_NCURSES_INCLUDE_PATH curses.h - HINTS "${_cursesParentDir}/include") - - # for compatibility with older FindCurses.cmake this has to be in the cache - # FORCE must not be used since this would break builds which preload - # however if the value of the variable has NOTFOUND in it, then - # it is OK to force, and we need to force in order to have it work. - # a cache wqith these variables set - # only put ncurses include and library into - # variables if they are found - if(NOT CURSES_NCURSES_INCLUDE_PATH AND CURSES_HAVE_NCURSES_NCURSES_H) - get_filename_component(CURSES_NCURSES_INCLUDE_PATH - "${CURSES_HAVE_NCURSES_NCURSES_H}" PATH) + find_path(CURSES_INCLUDE_PATH + NAMES curses.h + HINTS "${_cursesParentDir}/include" + ) + + # Previous versions of FindCurses provided these values. + if(NOT DEFINED CURSES_CURSES_H_PATH) + set(CURSES_CURSES_H_PATH "${CURSES_INCLUDE_PATH}") endif() - if(CURSES_NCURSES_INCLUDE_PATH AND CURSES_NCURSES_LIBRARY) - set( FORCE_IT ) - if(CURSES_INCLUDE_PATH MATCHES NOTFOUND) - set(FORCE_IT FORCE) - endif() - set(CURSES_INCLUDE_PATH "${CURSES_NCURSES_INCLUDE_PATH}" - CACHE FILEPATH "The curses include path" ${FORCE_IT}) - set( FORCE_IT) - if(CURSES_LIBRARY MATCHES NOTFOUND) - set(FORCE_IT FORCE) - endif() - set(CURSES_LIBRARY "${CURSES_NCURSES_LIBRARY}" - CACHE FILEPATH "The curses library" ${FORCE_IT}) + if(NOT DEFINED CURSES_LIBRARY) + set(CURSES_LIBRARY "${CURSES_CURSES_LIBRARY}") endif() - endif() -find_library(CURSES_EXTRA_LIBRARY cur_colr HINTS "${_cursesLibDir}") -find_library(CURSES_EXTRA_LIBRARY cur_colr ) +# Report whether each possible header name exists in the include directory. +if(NOT DEFINED CURSES_HAVE_NCURSES_NCURSES_H) + if(EXISTS "${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 ) -# for compatibility with older FindCurses.cmake this has to be in the cache -# FORCE must not be used since this would break builds which preload a cache -# qith these variables set -set(FORM_LIBRARY "${CURSES_FORM_LIBRARY}" - CACHE FILEPATH "The curses form library") +# Previous versions of FindCurses provided these values. +if(NOT DEFINED FORM_LIBRARY) + set(FORM_LIBRARY "${CURSES_FORM_LIBRARY}") +endif() # Need to provide the *_LIBRARIES set(CURSES_LIBRARIES ${CURSES_LIBRARY}) @@ -150,27 +186,17 @@ if(CURSES_FORM_LIBRARY) set(CURSES_LIBRARIES ${CURSES_LIBRARIES} ${CURSES_FORM_LIBRARY}) endif() -# Proper name is *_INCLUDE_DIR -set(CURSES_INCLUDE_DIR ${CURSES_INCLUDE_PATH}) +# 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_LIBRARY - CURSES_CURSES_INCLUDE_PATH CURSES_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 ) - |