Re: [Openocd-development] Build problem with 1770 and Mac OS X

[Rick Altherr]

On May 13, 2009, at 8:42 PM, Zach Welch wrote:

On Wed, 2009-05-13 at 16:42 -0700, Rick Altherr wrote:

On May 13, 2009, at 3:41 PM, Edgar Grimberg wrote:

But at the end, I got a ld error like:

ld: duplicated symbol _Jim_SetResult_sprintf

Mac OS X 10.5.7 and GCC 4.0.1

I had no problems with the old build where libtoolize
is not needed.

Did the transition leave around any old objects in your tree?  I
remember having similar problems, and I think I recall finding a
bunch

of files that should not have been there. Try 'svn st --no- ignore'.

I also get

ld: duplicate symbol _Jim_SetResult_sprintf in
.libs/libopenocd.lax/libxsvf.a/xsvf.o and
.libs/libopenocd_la-openocd.o

on a clean tree.

Regards,
Edgar
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are declared JIM_STATIC which varies in meaning depending upon the
#defines set.  Preprocessing xsvf.c with the same options used during
a build shows that jim.h is declaring the following:

int (*Jim_SetResult_sprintf)( Jim_Interp *p, const char *fmt, ... );


Jim_SetResult_sprintf that is a function pointer. This only showed up
when using libtool since libtool builds with -fno-common.  Without
that, the global symbols are coalesced at link time.

This all seems to stem from the definition of JIM_STATIC.  It looks
like we are accidentally setting JIM_EXTENSION in command.h.  I tried
moving that definition into command.c but that causes duplicate
definitions between command.o and jim-eventloop.o.  Someone with more

It looks like the Jim functions are being defined oddly. Most of them Thus, every file that includes jim.h is defining a global symbol named knowledge of Jim and how extensions should work needs to look at this.

Thanks for doing this research.  Based on this, it looks like the
definition should be removed; it does not seem to be necessary or
appropriate for our situation.  My build works fine without it, so I
have attached a patch for others to test.

If this change resolves the problem, I will apply it.

Cheers,

Zach

<openocd-remove-define-jim-embedded.patch>

Appears to work on 10.5.7 w/ Xcode 3.1.2 as well.

--
Rick Altherr
kc8...@kc8apf.net


-- Unsigned

"He said he hadn't had a byte in three days. I had a short, so I split it with him."

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