Replace the default fatal ACTION-IF-NOT-FOUND clause of the

polypaudio PKG_CHECK_MODULES() call with one that appropriately
disables the module in the build. Previously, configure died
here if polypaudio was not available.


git-svn-id: http://svn.xiph.org/trunk/ao@8185 0101bb08-14d6-0310-b084-bc0e0c8e3800

configure.in

@@ -351,7 +351,8 @@ AC_ARG_ENABLE(polyp, [  --enable-polyp       include Polypaudio output plugin ],
 
 have_polyp=no
 if test "x$BUILD_POLYP" = "xyes" ; then
-    PKG_CHECK_MODULES(POLYP, [ polyplib-simple >= 0.6 ],have_polyp=yes)
+    PKG_CHECK_MODULES(POLYP, [ polyplib-simple >= 0.6 ],
+	[have_polyp=yes],[have_polyp=no])
     AC_SUBST(POLYP_LIBS)
     AC_SUBST(POLYP_CFLAGS)
 fi