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src/docs/linux/debugging_gtk.md
Tom Anderson abdbd6a60e Fix some links in docs/linux
The documents are already in linux/ so they should not have linux/ in the path,
otherwise the link will be invalid.

R=sky

Change-Id: Iff06ba371672bc5f1d7c06d54babb90e3b4edbcf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1992800
Auto-Submit: Thomas Anderson <thomasanderson@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#729782}
2020-01-09 16:59:27 +00:00

53 lines
1.3 KiB
Markdown

# Linux Debugging GTK
## Making warnings fatal
See
[Running GLib Applications](http://developer.gnome.org/glib/stable/glib-running.html)
for notes on how to make GTK warnings fatal.
## Using GTK Debug packages
sudo apt-get install libgtk-3-0-dbg
Make sure that you're building a binary that matches your architecture (e.g.
64-bit on a 64-bit machine), and there you go.
### Source
You'll likely want to get the source for gtk too so that you can step through
it. You can tell gdb that you've downloaded the source to your system's GTK by
doing:
```shell
$ cd /my/dir
$ apt-get source libgtk-3-0
$ gdb ...
(gdb) set substitute-path /build/buildd /my/dir
```
NOTE: I tried debugging pango in a similar manner, but for some reason gdb
didn't pick up the symbols from the symbols from the `-dbg` package. I ended up
building from source and setting my `LD_LIBRARY_PATH`.
See [building_debug_gtk.md](building_debug_gtk.md) for more on how
to build your own debug version of GTK.
## Parasite
http://chipx86.github.com/gtkparasite/ is great. Go check out the site for more
about it.
Install it with
sudo apt-get install gtkparasite
And then run Chrome with
GTK_MODULES=gtkparasite ./out/Debug/chrome
## GDK_DEBUG
Use `GDK_DEBUG=nograbs` to run GTK+ without grabs. This is useful for gdb
sessions.