Add AM_CONDITIONAL for X11_UNAVAILABLE.

diff --git a/configure.ac b/configure.ac
index be24a80..8982dc6 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -40,6 +40,8 @@ AC_CHECK_HEADERS([fcntl.h stdlib.h string.h unistd.h])
 
 AC_CHECK_HEADERS([X11/Xaw/Command.h], , no_x=yes)
 
+AM_CONDITIONAL([X11_UNAVAILABLE], [test x$no_x = xyes])
+
 # Checks for typedefs, structures, and compiler characteristics.
 
 # Checks for library functions.