smaller configure

diff --git a/configure.ac b/configure.ac
index 5a139d9..29d47f0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -17,21 +17,16 @@ AC_CHECK_HEADERS([sys/types.h unistd.h stdlib.h string.h])
 
 dnl Check for libraries
 AC_ARG_ENABLE([ncurses],
-              AS_HELP_STRING([--disable-ncurses],
-                             [disables ncurses support (default enabled)]),
-                             [enable_curses=n],[enable_curses=y])
-if test "$enable_curses" = y; then
+              AS_HELP_STRING([--disable-ncurses], [disables ncurses support (default enabled)]))
+if test "${enable_curses}" != "no"; then
     AC_CHECK_LIB([ncurses], [initscr], [],
                  AC_MSG_ERROR([Need ncurses to compile ncurses support.]))
     CFLAGS="$CFLAGS -DUSE_NCURSES"
 fi
 
 AC_ARG_ENABLE([pty],
-              AS_HELP_STRING([--disable-pty],
-                             [disables pty support (default enabled)]),
-                             [enable_pty=n],[enable_pty=y])
-
-if test "$enable_pty" = y; then
+              AS_HELP_STRING([--disable-pty], [disables pty support (default enabled)]))
+if test "${enable_pty}" != "no"; then
     AC_CHECK_LIB([util], [forkpty], [],
                  AC_MSG_ERROR([Need util library (forkpty function) to compile pty support.]))
     CFLAGS="$CFLAGS -DUSE_PTY"