[project @ 1997-09-10 09:51:04 by simonm]

minor mod to the happy configuration.

configure.in

@@ -388,11 +388,14 @@ AC_SUBST(CompressSuffix)
 dnl ** check for installed happy binary + version
 #
 AC_HAPPY
-if expr $HappyVersion \< "1.3" >/dev/null; then
+
+if test x"$HappyCmd" != x; then
+   if expr $HappyVersion \< "1.3" >/dev/null; then
 	echo "   Happy Version 1.3 or later is required to compile GHC."
 	echo "   Using the Happy sources in the tree.";
 	HappyCmd=""
-fi;
+   fi
+fi
 
 #
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