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[Bug ld/12017] Would like to disable compiler warning re use of tmpnam

From: nickc at redhat dot com
Subject: [Bug ld/12017] Would like to disable compiler warning re use of tmpnam
Date: Thu, 19 Jan 2012 17:12:15 +0000


Nick Clifton <nickc at redhat dot com> changed:

           What    |Removed                     |Added
                 CC|                            |nickc at redhat dot com

--- Comment #2 from Nick Clifton <nickc at redhat dot com> 2012-01-19 17:12:15 
UTC ---
As has been pointed out the warning is actually originating in the C library
that you are using, not the compiler or the linker.

There are a couple of workarounds that might be applicable to you:

  *) You could post-process gcc's output and strip out the warning message.

  *) You could remove the offending section (.gnu.warning) from the C library
(in the tmpman.o archive element).

  *) You could use a custom linker script that discards the particular
.gnu.warning section.

Fixing the problem by disabling all warnings generated via .gnu.warning
sections is a very bad idea.  These warnings are not meant to be ignored.  The
specific tmpnam warning could be suppressed[1] but I am not particularly keen
on the idea.


[1]: Search the linker sources for instances of warn_multiple_gp to see how
this has already been done for a different warning message.

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