Re: macosx mex error: failed to install .mex file function `myhello'

[John W. Eaton]

On  3-Jan-2007, Thomas Treichl wrote:

| Aha, I see, never tried the "nm" command. This is my output:
| 
|    macmini:~/Developement/octave/examples Thomas$ nm myhello.o
|    0000006a S ___i686.get_pc_thunk.bx
|    00000000 T _mexFunction
|             U _mxCreateDoubleMatrix
|             U _mxGetPr

Please try the following patch.

Thanks,

jwe

src/ChangeLog:

2007-01-03  John W. Eaton  <address@hidden>

        * dynamic-ld.cc (octave_dynamic_loader::do_load_mex): Also check
        for _mexFunction.


Index: src/dynamic-ld.cc
===================================================================
RCS file: /cvs/octave/src/dynamic-ld.cc,v
retrieving revision 1.76
diff -u -u -r1.76 dynamic-ld.cc
--- src/dynamic-ld.cc   19 Oct 2006 01:27:35 -0000      1.76
+++ src/dynamic-ld.cc   3 Jan 2007 16:46:59 -0000
@@ -413,9 +413,17 @@
 
              if (! function)
                {
-                 function = mex_file.search (STRINGIFY (F77_FUNC (mexfunction, 
MEXFUNCTION)));
-                 if (function)
-                   have_fmex = true;
+                 // FIXME -- can we determine this C mangling scheme
+                 // automatically at run time or configure time?
+
+                 function = mex_file.search ("_mexFunction");
+
+                 if (! function)
+                   {
+                     function = mex_file.search (STRINGIFY (F77_FUNC 
(mexfunction, MEXFUNCTION)));
+                     if (function)
+                       have_fmex = true;
+                   }
                }
            }
          else