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cmake_minimum_required(VERSION 3.5)
project(swipl-readline)
include("../cmake/PrologPackage.cmake")
if(POLICY CMP0074)
cmake_policy(SET CMP0074 NEW)
endif()
find_package(Curses)
find_package(Readline)
if(APPLE AND
READLINE_FOUND AND
NOT Readline_INCLUDE_DIR MATCHES "/local/" AND
NOT Readline_INCLUDE_DIR MATCHES "/opt/homebrew/" AND
NOT Readline_INCLUDE_DIR MATCHES "${MACOSX_DEPENDENCIES_FROM}")
message(WARNING "Found readline at ${Readline_INCLUDE_DIR}, which
looks like Apple readline. We need GNU readline. Dropping
the readline interface")
set(READLINE_FOUND OFF CACHE BOOL
"Forced readline to OFF because headers come from Apple" FORCE)
endif()
if(READLINE_FOUND)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${Readline_LIBRARY})
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${Readline_LIBRARY})
# Headers depend on <stdio.h>
set(CMAKE_REQUIRED_FLAGS "-include stdio.h")
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${Readline_INCLUDE_DIR})
AC_CHECK_HEADERS(poll.h readline/readline.h readline/history.h)
AC_CHECK_FUNCS(poll
rl_completion_matches rl_insert_close
rl_set_prompt rl_clear_pending_input
rl_cleanup_after_signal
rl_filename_completion_function)
check_symbol_exists(rl_readline_state readline/readline.h HAVE_RL_READLINE_STATE)
check_symbol_exists(rl_done readline/readline.h HAVE_RL_DONE)
check_symbol_exists(rl_event_hook readline/readline.h HAVE_RL_EVENT_HOOK)
configure_file(config.h.cmake config.h)
swipl_plugin(
readline
MODULE readline4pl
C_SOURCES readline4pl.c
C_LIBS ${Readline_LIBRARY}
C_INCLUDE_DIR ${Readline_INCLUDE_DIR}
PL_LIBS readline.pl)
pkg_doc(readline
SECTION
SOURCE readline.pl libreadline.tex)
endif(READLINE_FOUND)
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