>  Ok. In my case nspr4.dll is located in the mozilla library directory.
>  The "components" directory, with xpti.dat and compreg.dat, is a
>  subdirectory
>  of the the mozilla library directory.

That sounds correct so should work.

>  Are you saying that I need to hack the source code for pyxpcom to do this?
>  If so where?

The code I was referring to is in xpcom.cpp, line 529.  The block:

			// On Windows this by using locating a Moz DLL we depend
			// on, and assume it lives in that bin dir.  Different
			// moz build types (eg, xulrunner, suite) package
			// XPCOM itself differently - but all appear to offer
			// nspr4.dll - so this is what we use.
			char landmark[MAX_PATH+1];
			HMODULE hmod = GetModuleHandle("nspr4.dll");
			if (hmod==NULL) {
				PyErr_SetString(PyExc_RuntimeError, "We dont appear to be linked against
nspr4.dll");
				return PR_FALSE;
			}
			GetModuleFileName(hmod, landmark, sizeof(landmark)/sizeof(landmark[0]));

is attempting to locate the xpcom directory - which I believe should be the
directory with compreg.dat.  From what you described, I think you would find
that the directory portion of 'landmark' does point to the correct
directory.

>  Would be nice to avoid hardcoding since I would like to be able to
>  move around the install between machines without recompiling.

Yes, hence I said we need to find a better way :)

>  What mystifies me is that I haven't really changed much from the build
>  procedure that I used 8 months ago, but now the behavior is different.

I was guessing it was Mozilla itself that has moved on.  It sounds like I
may be wrong in this case.  I seem to have successful builds for both the
'xul_runner' and 'suite' projects.

>  By the way, my work-around is to remove compreg.dat and start mozilla
>  which then performs an auto-registration of components.

So once you have done that, stand-alone Python programs using xpcom again
work?  Bizarre...

Mark

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