Dear MacPort users,
this is an Email to qt-interest due to problems of sqlite support in
Qt4 using macPorts' sqlite3 port. See the end for macPorts-specific
questions, please.
On 05.01.2008, at 10:46, Dimitri wrote:
I am the MacPorts (www.macports.org) maintainer of Qt4 for Mac OS X.
I understand this MacPort is a binary package for MacOS made from a
vanilla Qt/Mac source package. Is that correct?
Yes.
However, we do (yet) not distribute binary packages but "recipes" to
build them on the destination machine.
When executed the qt4-mac Portfile (recipe) downloads the source from
TrollTech and builds it..
By the way, you shouldn't have to force:
-largefile
-stl
You definitely shouldn't need:
-no-nis
-no-cups
These are Qt/X11 only.
Okay, but thet should not hurd, I guess.
We are having some problems with sqlite support when using the
system-sqlite (sqlite 3.5.4), i.e., calls to sqlite3_set_auxdata
fail (confirmed, for example, for sqliteman and the books demo of
Qt4).
[...]
Starting the books demo gives the following backtrace:
[...]
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x000000000000003d
Crashed Thread: 0
Thread 0 Crashed:
0 libsqlite3.0.dylib 0x95f0a56e
sqlite3_set_auxdata + 6062
1 libsqlite3.0.dylib 0x95f380b2
sqlite3RegisterBuiltinFunctions + 178
2 libsqlite3.0.dylib 0x010d2f41 openDatabase + 961
3 libsqlite3.0.dylib 0x010d3033 sqlite3_open16 + 131
4 libqsqlite.dylib 0x010a6124 [...]
This could as well be an issue with SQLite. It would be interesting
to see how the system SQLite library itself has been built.
It's build using this Portfile
http://trac.macports.org/projects/macports/browser/trunk/dports/databases/sqlite3/Portfile
What are the arguments passed to sqlite3_open16? It would be worth
writing a non-Qt program and passing the same arguments to
sqlite3_open16. Does it also crash?
For the books example this should be the call from within Qt's
bool QSQLiteDriver::open(const QString & db, const QString &, const
QString &, const QString &, int, const QString &conOpts)
which is this:
if (sqlite3_open16(db.constData(), &d->access) == SQLITE_OK) {
We get there from books.app
QSqlError initDb()
which contains
QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
...
MacPorts question: Are people successfully using MacPorts' sqlite3
port? Are you using the functions in question?
sqlite3_open16
sqlite3_set_auxdata
Are there any known issues with these functions on Mac OS X or in
MacPorts?
Greetings,
Jochen
--
Einigkeit und Recht und Freiheit http://www.Jochen-Kuepper.de
Liberté, Égalité, Fraternité GnuPG key: CC1B0B4D
Sex, drugs and rock-n-roll
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