I was trying to configure with a specific Berkeley DB, and ran across this bug in configure. This is on Mac OS X with an unmodified working copy at r1043705.
[[[ svn-hackers:svn-trunk Hyrum$ ./configure --enable-maintainer-mode --with-serf=/opt/local --with-apr=/opt/local --with-apr-util=/opt/local --disable-shared --with-berkeley-db=/opt/local/include/db46/db.h:/opt/local/include/db46/:/opt/local/lib/db46/:db .... configure: creating ./config.status config.status: creating Makefile config.status: creating tools/backup/hot-backup.py config.status: creating tools/hook-scripts/commit-access-control.pl config.status: creating subversion/bindings/swig/perl/native/Makefile.PL config.status: creating packages/solaris/pkginfo config.status: creating subversion/svn_private_config.h config.status: executing svn_private_config.h commands /opt/local/bin/gsed: -e expression #1, char 30: unknown option to `s' svn-hackers:svn-trunk Hyrum$ ]]] I'm not sure where or why sed is getting an error in its expression. This is GNU sed, version 4.2.1. -Hyrum