64-bit woes
64-bit woes
- Subject: 64-bit woes
- From: DV Henkel-Wallace <email@hidden>
- Date: Fri, 25 Apr 2008 12:22:57 -0700
I am having trouble compiling an app for 64 bit and wonder if there's
a bug or if I'm clueless (or both...).
I took a working app, compiled it 64-bit, and found it hung. OK. But
with a bit more digging I discovered the following (Xcode 3.0 on a CD2):
You can get a very boring app by doing the following:
- start xcode.
- make a new project -- a cocoa app.
- press build and go.
But if you change the app's Architectures to 64-bit (and make no other
changes), do a Clean All, and then press build and go, you get an app
stuck in the SBBoD (about which more below). The actual problem is a
bus error in AppKit: InstallEventLoopTimerInternal, which seems kind
of basic to be having a null pointer passed in.
==
GDB is also acting weird.
The debugger should catch this but isn't -- it just sits there
patiently. But if you set a breakpoint on main, start the app, and
then continue it from the breakpoint, gdb sees the trap correctly.
Anyway:
1 - Am I doing something wrong? or...
2 - are these known issues? or...
3 - should I file some reports?
I couldnt find any mention on the web -- and it's hard to believe that
64-bit apps don't work since it's a much-touted feature that
presumably people are trying to use.
Thanks,
g
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