dnl CF_CURSES_LIBS version: 41 updated: 2017/12/31 19:23:43
dnl --------------
dnl Look for the curses libraries.  Older curses implementations may require
dnl termcap/termlib to be linked as well.  Call CF_CURSES_CPPFLAGS first.
AC_DEFUN([CF_CURSES_LIBS],[

AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
AC_MSG_CHECKING(if we have identified curses libraries)
AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
	[initscr(); tgoto("?", 0,0)],
	cf_result=yes,
	cf_result=no)
AC_MSG_RESULT($cf_result)

if test "$cf_result" = no ; then
case $host_os in
(freebsd*)
	AC_CHECK_LIB(mytinfo,tgoto,[CF_ADD_LIBS(-lmytinfo)])
	;;
(hpux10.*)
	# Looking at HPUX 10.20, the Hcurses library is the oldest (1997), cur_colr
	# next (1998), and xcurses "newer" (2000).  There is no header file for
	# Hcurses; the subdirectory curses_colr has the headers (curses.h and
	# term.h) for cur_colr
	if test "x$cf_cv_screen" = "xcurses_colr"
	then
		AC_CHECK_LIB(cur_colr,initscr,[
			CF_ADD_LIBS(-lcur_colr)
			ac_cv_func_initscr=yes
			],[
		AC_CHECK_LIB(Hcurses,initscr,[
			# HP's header uses __HP_CURSES, but user claims _HP_CURSES.
			CF_ADD_LIBS(-lHcurses)
			CPPFLAGS="$CPPFLAGS -D__HP_CURSES -D_HP_CURSES"
			ac_cv_func_initscr=yes
			])])
	fi
	;;
(linux*)
	case `arch 2>/dev/null` in
	(x86_64)
		if test -d /lib64
		then
			CF_ADD_LIBDIR(/lib64)
		else
			CF_ADD_LIBDIR(/lib)
		fi
		;;
	(*)
		CF_ADD_LIBDIR(/lib)
		;;
	esac
	;;
(sunos3*|sunos4*)
	if test "x$cf_cv_screen" = "xcurses_5lib"
	then
		if test -d /usr/5lib ; then
			CF_ADD_LIBDIR(/usr/5lib)
			CF_ADD_LIBS(-lcurses -ltermcap)
		fi
	fi
	ac_cv_func_initscr=yes
	;;
esac

if test ".$ac_cv_func_initscr" != .yes ; then
	cf_save_LIBS="$LIBS"

	if test ".${cf_cv_ncurses_version:-no}" != .no
	then
		cf_check_list="ncurses curses cursesX"
	else
		cf_check_list="cursesX curses ncurses"
	fi

	# Check for library containing tgoto.  Do this before curses library
	# because it may be needed to link the test-case for initscr.
	if test "x$cf_term_lib" = x
	then
		AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
			for cf_term_lib in $cf_check_list otermcap termcap tinfo termlib unknown
			do
				AC_CHECK_LIB($cf_term_lib,tgoto,[
					: ${cf_nculib_root:=$cf_term_lib}
					break
				])
			done
		])
	fi

	# Check for library containing initscr
	test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
	if test "x$cf_curs_lib" = x
	then
		for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
		do
			LIBS="-l$cf_curs_lib $cf_save_LIBS"
			if test "$cf_term_lib" = unknown || test "$cf_term_lib" = "$cf_curs_lib" ; then
				AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
				AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
					[initscr()],
					[cf_result=yes],
					[cf_result=no])
				AC_MSG_RESULT($cf_result)
				test $cf_result = yes && break
			elif test "$cf_curs_lib" = "$cf_term_lib" ; then
				cf_result=no
			elif test "$cf_term_lib" != predefined ; then
				AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
				AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
					[initscr(); tgoto((char *)0, 0, 0);],
					[cf_result=no],
					[
					LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
					AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
						[initscr()],
						[cf_result=yes],
						[cf_result=error])
					])
				AC_MSG_RESULT($cf_result)
				test $cf_result != error && break
			fi
		done
	fi
	test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found)
fi
fi

])dnl
