Experimental Physics and
Industrial Control System

Andrew Johnson <[email protected]> · Mon, 20 Jun 2011 13:52:13 -0500

Hi Dirk,

On 2011-06-20 Dirk Zimoch wrote:
> 
> Unfortunately it seems that the Tornado 2.2 compiler (gcc-2.96, Linux
> version) does not understand  __attribute__((deprecated)):
> 
> warning: `deprecated' attribute directive ignored
> 
> So it seems that #ifdef __GNUC__ is not enough and the GCC version needs
> to be tested. However I don't know from which version on GCC understands
> deprecated. Maybe starting with version 3 ?

I can find it in the documentation for gcc 3.1 but not in 3.0.4.  I don't 
think anyone's really going to be using the 3.0.x versions of GCC any more and 
even if they do the result is only a warning, so I'll apply this patch:

=== modified file 'src/libCom/misc/compilerDependencies.h'

--- src/libCom/misc/compilerDependencies.h      2008-09-26 17:24:32 +0000
+++ src/libCom/misc/compilerDependencies.h      2011-06-20 18:48:47 +0000
@@ -95,7 +95,7 @@
 /*
  * Deprecation marker
  */
-#ifdef __GNUC__
+#if defined( __GNUC__ ) && (__GNUC__ > 2)
 # define EPICS_DEPRECATED __attribute__((deprecated))
 #else
 # define EPICS_DEPRECATED

Thanks,

- Andrew
-- 
Optimization is the process of taking something that works and
replacing it with something that almost works, but costs less.
-- Roger Needham


Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System