Oops, had the sense of the test for the existence of alloca() backwards.

diff --git a/configure.in b/configure.in
index 6775dd6..a597687 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -421,7 +421,7 @@ then
     AC_MSG_RESULT($srcdir/popt)
     BUILD_POPT='$(popt_OBJS)'
     CFLAGS="$CFLAGS -I$srcdir/popt"
-    if test -z "$ALLOCA"
+    if test -n "$ALLOCA"
     then
        # this can be removed when/if we add an included alloca.c; see
        #  autoconf documentation on AC_FUNC_ALLOCA