AC_MSG_CHECKING(whether printw() requires argument of "const char *")
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([
#if defined(HAVE_NCURSES_H)
# include <ncurses.h>
#elif defined(HAVE_NCURSES_NCURSES_H)
# include <ncurses/ncurses.h>
#elif defined(HAVE_CURSES_H)
# include <curses.h>
#endif
],
[printw((const char *)"Test");]
)],
[ac_cv_compatible_printw=yes],
[ac_cv_compatible_printw=no]
)
LIBS=$ac_save_LIBS
cc_restore_flags
AC_MSG_RESULT([$ac_cv_compatible_printw])
if test "$ac_cv_compatible_printw" = no; then
AC_MSG_WARN([The printw() function of your ncurses or curses library is old, we will disable usage of the library. If you want to use this library anyway, please update to newer version of the library, ncurses 5.4 or later is recommended. You can get the library from http://www.gnu.org/software/ncurses/.])
AC_MSG_NOTICE([Disabling curses])
AC_DEFINE(HAVE_INCOMPATIBLE_PRINTW, 1, [Do we have incompatible printw() in curses library?])