I just updated the package too. Jay
2011/5/3 Matthew Flatt <[email protected]>: > I've pushed a rewrite for the `ffi-lib' docs. The rewrite encourages a > list of version numbers, if only to hold a single version number > followed by `#f' (i.e., a versionless library as a fallback). > > At Mon, 2 May 2011 19:20:54 -0400, Danny Yoo wrote: >> I notice that Sqlite's library is usually installed as >> 'libsqlite3.so.0' on a user's system, but the sqlite PLaneT package: >> >> >> http://planet.racket-lang.org/display.ss?package=sqlite.plt&owner=jaymccarthy >> >> appears to assume that the library is named libsqlite3.so. J G Cho >> ran across this a week or so ago >> (http://www.mail-archive.com/[email protected]/msg05318.html) and >> I ran across the same issue this afternoon. >> >> >> I guess it's easy to "fix" this by creating a dynamic link, but I >> don't think this is the right solution. According to section 3.1.1 of >> the Program Library HOWTO: >> >> http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html >> >> the expectation is that FFI library writers should be linking to the >> "soname", not the "linker" name. To fix this for the sqllite bindings >> in particular, the call to ffi-lib in the bindings file >> ("sqllite-ffi.rkt") needs to provide the version number, from >> >> (define sqlite (ffi-lib "libsqlite3")) >> >> to: >> >> (define sqlite (ffi-lib "libsqlite3" "0")) >> >> >> >> The default policy for ffi-lib, however, is to use the linker name >> convention if no second argument is passed to ffi-lib: >> >> >> http://docs.racket-lang.org/foreign/Loading_Foreign_Libraries.html#(def._((lib._ >> ffi/unsafe..rkt)._ffi-lib)) >> >> which seems to encourage this confusion. Can the documentation to >> ffi-lib be revised to more vigorously encourage the use of the version >> argument? >> _________________________________________________ >> For list-related administrative tasks: >> http://lists.racket-lang.org/listinfo/users > -- Jay McCarthy <[email protected]> Assistant Professor / Brigham Young University http://faculty.cs.byu.edu/~jay "The glory of God is Intelligence" - D&C 93 _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users

