Update doxygen message.

Configure only looks for doxygen if --enable-docs is passed,
so report that as the issue instead.

diff --git a/doc/Makefile.am b/doc/Makefile.am
index cfc9bbc..1745901 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -107,7 +107,7 @@ doxygen-build.stamp: Doxyfile $(top_srcdir)/include/vorbis/*.h
        touch doxygen-build.stamp
 else
 doxygen-build.stamp:
-       echo "*** Warning: Doxygen not found; documentation will not be built."
+       echo "*** Warning: Documentation build is disabled."
        touch doxygen-build.stamp
 endif