[Plplot-cvs] SF.net SVN: plplot:[8765] trunk/bindings/octave/matwrap/wrap_octave.pl

[<and...@us...>]

Revision: 8765
          http://plplot.svn.sourceforge.net/plplot/?rev=8765&view=rev
Author:   andrewross
Date:     2008-09-10 09:06:14 +0000 (Wed, 10 Sep 2008)

Log Message:
-----------
Add GCC visibilty pragma in around plplot_octave functions to ensure 
they have default visibility. Ensures that octave works with 
-fvisibility=hidden. Should be a nop on other systems or where 
-fvisibility is not used.

Modified Paths:
--------------
    trunk/bindings/octave/matwrap/wrap_octave.pl

Modified: trunk/bindings/octave/matwrap/wrap_octave.pl
===================================================================
--- trunk/bindings/octave/matwrap/wrap_octave.pl	2008-09-10 08:59:31 UTC (rev 8764)
+++ trunk/bindings/octave/matwrap/wrap_octave.pl	2008-09-10 09:06:14 UTC (rev 8765)
@@ -95,6 +95,13 @@
 sub finish {
   print OUTFILE qq[
 
+// The following section needs to be default visibility. The DEFUN_DLD macro 
+// defines several functions so we can't easily individually tag them, and so
+// we resort to using the GGC pragma instead. What happens on Windows?
+#if defined(__GNUC__) && __GNUC__ > 3
+#pragma GCC visibility push(default)
+#endif
+
 //
 // The main dispatch function.  This function calls the appropriate wrapper
 // based on the value of the first argument.
@@ -116,6 +123,10 @@
   }
 }
 
+#if defined(__GNUC__) && __GNUC__ > 3
+#pragma GCC visibility pop
+#endif
+
 ";
 
   close(OUTFILE);		# Done with this file.


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