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# - Try to find readline include dirs and libraries
#
# Usage of this module as follows:
#
# find_package(Readline)
#
# Variables used by this module, they can change the default behaviour and need
# to be set before calling find_package:
#
# Readline_ROOT_DIR Set this variable to the root installation of
# readline if the module has problems finding the
# proper installation path.
#
# Variables defined by this module:
#
# READLINE_FOUND System has readline, include and lib dirs found
# GNU_READLINE_FOUND Version of readline found is GNU readline, not libedit!
# LIBEDIT_FOUND Version of readline found is libedit, not GNU readline!
# Readline_INCLUDE_DIR The readline include directories.
# Readline_LIBRARY The readline library.
# GNU_READLINE_LIBRARY The GNU readline library or empty string.
# LIBEDIT_LIBRARY The libedit library or empty string.
find_path(Readline_ROOT_DIR
NAMES include/readline/readline.h
PATHS /usr/local/opt/readline/ /opt/local/ /usr/local/ /usr/
NO_DEFAULT_PATH
)
find_path(Readline_INCLUDE_DIR
NAMES readline/readline.h
PATHS ${Readline_ROOT_DIR}/include
NO_DEFAULT_PATH
)
find_library(Readline_LIBRARY
NAMES readline
PATHS ${Readline_ROOT_DIR}/lib
NO_DEFAULT_PATH
)
find_library(Termcap_LIBRARY
NAMES tinfo termcap ncursesw ncurses cursesw curses
)
if(Readline_INCLUDE_DIR AND Readline_LIBRARY)
set(READLINE_FOUND TRUE)
else(Readline_INCLUDE_DIR AND Readline_LIBRARY)
FIND_LIBRARY(Readline_LIBRARY NAMES readline PATHS Readline_ROOT_DIR)
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Readline DEFAULT_MSG Readline_INCLUDE_DIR Readline_LIBRARY )
MARK_AS_ADVANCED(Readline_INCLUDE_DIR Readline_LIBRARY)
endif(Readline_INCLUDE_DIR AND Readline_LIBRARY)
mark_as_advanced(
Readline_ROOT_DIR
Readline_INCLUDE_DIR
Readline_LIBRARY
)
set(CMAKE_REQUIRED_INCLUDES ${Readline_INCLUDE_DIR})
set(CMAKE_REQUIRED_LIBRARIES ${Readline_LIBRARY})
include(CheckFunctionExists)
check_function_exists(rl_copy_text HAVE_COPY_TEXT)
check_function_exists(rl_filename_completion_function HAVE_COMPLETION_FUNCTION)
if(NOT HAVE_COMPLETION_FUNCTION)
if (Readline_LIBRARY)
set(CMAKE_REQUIRED_LIBRARIES ${Readline_LIBRARY} ${Termcap_LIBRARY})
endif(Readline_LIBRARY)
check_function_exists(rl_copy_text HAVE_COPY_TEXT_TC)
check_function_exists(rl_filename_completion_function HAVE_COMPLETION_FUNCTION_TC)
set(HAVE_COMPLETION_FUNCTION ${HAVE_COMPLETION_FUNCTION_TC})
set(HAVE_COPY_TEXT ${HAVE_COPY_TEXT_TC})
if(HAVE_COMPLETION_FUNCTION)
set(Readline_LIBRARY ${Readline_LIBRARY} ${Termcap_LIBRARY})
endif(HAVE_COMPLETION_FUNCTION)
endif(NOT HAVE_COMPLETION_FUNCTION)
set(LIBEDIT_LIBRARY "")
set(GNU_READLINE_LIBRARY "")
if(HAVE_COMPLETION_FUNCTION AND HAVE_COPY_TEXT)
set(GNU_READLINE_FOUND TRUE)
set(GNU_READLINE_LIBRARY ${Readline_LIBRARY})
elseif(READLINE_FOUND AND NOT HAVE_COPY_TEXT)
set(LIBEDIT_FOUND TRUE)
set(LIBEDIT_LIBRARY ${Readline_LIBRARY})
endif(HAVE_COMPLETION_FUNCTION AND HAVE_COPY_TEXT)
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