autoconf 2.52 creates a temporary 'autom4te.cache' directory, which shouldn't get shipped in a release tarball.
Index: buildconf =================================================================== RCS file: /home/cvspublic/apr/buildconf,v retrieving revision 1.21 diff -u -r1.21 buildconf --- buildconf 2001/10/03 09:10:02 1.21 +++ buildconf 2001/10/27 09:17:03 @@ -104,4 +104,7 @@ ### do some work to toss config.cache? autoconf +# Remove autoconf 2.5x's cache directory +rm -rf autom4te.cache + exit 0
