Gabriel Dos Reis - Re: Is -fvisibility patch possible on GCC 3.3.x (original) (raw)

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• From: Gabriel Dos Reis
• To: "Gary M Mann"
• Cc:
• Date: 06 Nov 2005 13:24:44 +0100
• Subject: Re: Is -fvisibility patch possible on GCC 3.3.x
• References: 20051105212631.631D388@brinstar.nerim.net

"Gary M Mann" Gary@mann.uk.net writes:

| Hi, | | The -fvisibility feature in GCC 4.0 is a really useful way of hiding all | non-public symbols in a dynamic shared object. | | While I'm aware of a patch which backports this feature to GCC 3.4 (over at | nedprod.com), I was wondering whether there is a similar patch available for | GCC 3.3. I'm aware that GCC 3.3 (and some vintages of 3.2) support the | attribute means of setting a symbol's visibility, but I want to be able | to change the default visibility for all symbols. | | The problem is that we're stuck for now with the GCC 3.3 compiler as we need | v5 ABI compatibility for Orbix 6.2 and cannot move to 3.4 until Iona catch | up. | | Does anyone know if such a patch exists, or even if it is feasible in the | 3.3 framework?

I'm not aware of any such patch. However, beware that the visibility patch comes with its own can of worms.

-- Gaby

• Follow-Ups:
  • RE: Is -fvisibility patch possible on GCC 3.3.x
    * From: Gary M Mann