On Tue, Mar 27, 2001 at 12:26:48AM +1000, Drew Parsons wrote: > My latest package viewmol has a -ldb entry in the makefile. > > I asked on this list where on earth I'd find libdb.so to compile against, > and you helpfully pointed me to libdb2-dev. > > However, since then, libdb3[-dev] has come out, so I figured I would > dutifully compile against it. > > But to my surprise, I discovered that libdb3-dev does not provide > /usr/lib/libdb.[so,a] at all! It only has libdb3.so. > > I don't understand. Is this a bug? Or is libdb.so forever to be fated > identical to libdb2.so ? libdb3[-dev] docs are empty and therefore of no > help.
libdb.so was historically from libc6-dev. When upstream glibc removed db2 support, we had to offset it so that packages still compiled against -ldb, which was then pointed to the compatible libdb2.so. Now, with db3, I want to be sure that everyone realizes that they are compiling against libdb3, since the binary on-disk format of the .db's is different. So, you have to explicitly tell your builds that you want -ldb3, so there is no cause for surprises. Note, you may want to be sure that upgrades from you db2 compile to db3 support will not cause anything to break. The libdb3-util package comes with a db3_upgrade program which will upgrade existing db2 databases in place. Or you can read db3-doc and find the db_upgrade function where this can be done automatically in your program. Ben -- -----------=======-=-======-=========-----------=====------------=-=------ / Ben Collins -- ...on that fantastic voyage... -- Debian GNU/Linux \ ` [EMAIL PROTECTED] -- [EMAIL PROTECTED] -- [EMAIL PROTECTED] ' `---=========------=======-------------=-=-----=-===-======-------=--=---'
