No, I have xcode installed (which is mainly needed for gcc, ar, ld, etc.). I have lots of other GHC versions installed as well, so I don't think that's the issue. I think Duncan has been working on dtrace support, so maybe he has an idea. (CC'd). On 11 March 2011 18:51, Don Stewart wrote:

Missing XCode? Or is that not  relevant?

On Fri, Mar 11, 2011 at 10:39 AM, Thomas Schilling wrote:

...

I installed ghc (x86) from the bindist tarball like so:

$ wget http://www.haskell.org/ghc/dist/7.0.2/ghc-7.0.2-i386-apple-darwin.tar.bz2 $ tar -xjf ghc-7.0.2-i386-apple-darwin.tar.bz2 $ cd ghc-7.0.2-i386-apple-darwin $ ./configure --prefix=$HOME/local $ make install

$ ghc --version The Glorious Glasgow Haskell Compilation System, version 7.0.2

GHCi works fine:

$ ghc -e 3+4 7

However, if I want to compile a test file I get a weird dtrace error.

$ cat test.hs main = print 42

$ ghc --make test.hs [1 of 1] Compiling Main             ( test.hs, test.o ) Linking test ... error: Could not compile reconstructed dtrace script:

Unhandled typedefs encoding version v2 provider HaskellEvent {        probe thread_wakeup(EventCapNo,EventThreadID,EventCapNo);        probe thread__runnable(EventCapNo,EventThreadID);        probe migrate__thread(EventCapNo,EventThreadID,EventCapNo);        probe create__thread(EventCapNo,EventThreadID);        probe gc__work(EventCapNo);        probe gc(int, double, long,...)(EventCapNo);        probe gc__done(EventCapNo);        probe gc__start(EventCapNo);        probe gc__end(EventCapNo);        probe stop__thread(EventCapNo,EventThreadID,EventThreadStatus);        probe run__thread(EventCapNo,EventThreadID);        probe startup(EventCapNo);        probe user__msg(EventCapNo,char *); };

#pragma D attributes PRIVATE/PRIVATE/UNKNOWN provider HaskellEvent provider #pragma D attributes PRIVATE/PRIVATE/UNKNOWN provider HaskellEvent module #pragma D attributes PRIVATE/PRIVATE/UNKNOWN provider HaskellEvent function #pragma D attributes PRIVATE/PRIVATE/UNKNOWN provider HaskellEvent name #pragma D attributes PRIVATE/PRIVATE/UNKNOWN provider HaskellEvent args

ld: error creating dtrace DOF section collect2: ld returned 1 exit status

$ uname -mrsv Darwin 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386 i386

Any idea what's going on there?

/ Thomas -- Push the envelope. Watch it bend.

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