I'm writing a program that makes extensive use of vectors and am developing with Qt Creator 2.0.1 on Mac OS X 10.6.6 for the first time.
As I am debugging, I can see literals and arrays just fine in the Locals and Watchers
window, but as soon as I go to expand a vector, in this case of type Student
, I get this tree:
The other person I am working with on this is using the same version of Qt Creator on Ubuntu and can see the contents of the vectors just fine. What am I doing wrong?
This is his debugger:
QtCreator 2.6 has support for Mac FSF GDB (7.5) support. FSF GDB supports python which allows qtcreator to properly display QVector, QSet, QList, QString, etc. It can be download from macports.
To install FSF GDB 7.5:
sudo port install gdb
Give FSF GDB permission to debug applications:
sudo codesign -s gdb-cert /opt/local/bin/ggdb
If gdb-cert isn't found, create a gdb-cert by clicking on the link below, and follow the directions for "Creating a certificate":
http://sourceware.org/gdb/wiki/BuildingOnDarwin
If you don't give permission to ggdb, you'll get a:
Unable to find Mach task port for process-id 28885: (os/kern) failure (0x5). (please check gdb is codesigned - see taskgated(8))
Change the kit debugger in QtCreator
Change the path from /usr/bin/gdb to /opt/local/bin/ggdb
By default FSF GDB fails to handle breakpoints correctly because mac clang++ doesn't export debug symbols. To export the debugging symbols, dsymutil needs to be run manually. Luckly, dysmutil command can be run automatically after link the program using qmake. Add the following lines in your .pro file:
macx { CONFIG(debug, debug|release) { QMAKE_POST_LINK = dsymutil \\"MyApp.app/Contents/MacOS/MyApp\\" } }
You need to build the debugging helper. Should be under Tools -> Options ...
Once the debugging helper is built, you can visualize std::string, QString and containers as well.
There should be a rebuild button in same the place as where you choose which version of Qt to use.
这两个答案是正确的:一个人不能在mac上使用基于python的调试助手,仍然有一个与Apple的gdb一起使用的C ++版本。
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