dnl ---------------------------------------------------------------------------

dnl Look for the curses libraries.  Older curses implementations may require

dnl termcap/termlib to be linked as well.

AC_DEFUN([CF_CURSES_LIBS],[

AC_CHECK_FUNC(initscr,,[

case $host_os in #(vi

freebsd*) #(vi

	AC_CHECK_LIB(mytinfo,tgoto,[LIBS="-lmytinfo $LIBS"])

	;;

hpux10.*|hpux11.*)

	AC_CHECK_LIB(cur_colr,initscr,[

		LIBS="-lcur_colr $LIBS"

		CFLAGS="-I/usr/include/curses_colr $CFLAGS"

		ac_cv_func_initscr=yes

		],[

	AC_CHECK_LIB(Hcurses,initscr,[

		# HP's header uses __HP_CURSES, but user claims _HP_CURSES.

		LIBS="-lHcurses $LIBS"

		CFLAGS="-D__HP_CURSES -D_HP_CURSES $CFLAGS"

		ac_cv_func_initscr=yes

		])])

	;;

linux*) # Suse Linux does not follow /usr/lib convention

	LIBS="$LIBS -L/lib"

	;;

esac

if test ".$With5lib" != ".no" ; then

if test -d /usr/5lib ; then

	# SunOS 3.x or 4.x

	CPPFLAGS="$CPPFLAGS -I/usr/5include"

	LIBS="$LIBS -L/usr/5lib"

fi

fi

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

	cf_save_LIBS="$LIBS"

	cf_term_lib=""

	cf_curs_lib=""

	# Check for library containing tgoto.  Do this before curses library

	# because it may be needed to link the test-case for initscr.

	AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[

		for cf_term_lib in termcap termlib unknown

		do

			AC_CHECK_LIB($cf_term_lib,tgoto,[break])

		done

	])

	# Check for library containing initscr

	test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"

	for cf_curs_lib in cursesX curses ncurses xcurses jcurses unknown

	do

		AC_CHECK_LIB($cf_curs_lib,initscr,[break])

	done

	test $cf_curs_lib = unknown && AC_ERROR(no curses library found)

	LIBS="-l$cf_curs_lib $cf_save_LIBS"

	if test "$cf_term_lib" = unknown ; 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 = no && AC_ERROR(Cannot link curses library)

	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)

	fi

fi

])])