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Pre-compiled Headers ? [message #468068]

Mon, 03 August 2009 21:25

Rob

Messages: 6
Registered: July 2009

Junior Member

Is there a way to setup and use precompiled headers in CDT using GCC?
If so, How would I do this?

Thanks,

Rob

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Re: Pre-compiled Headers ? [message #468170 is a reply to message #468068]

Tue, 04 August 2009 13:09

Axel Mueller

Messages: 1973
Registered: July 2009

Senior Member

Rob wrote:

> Is there a way to setup and use precompiled headers in CDT using GCC?
> If so, How would I do this?

> Thanks,

> Rob
You should read the GCC manual howto use precompiled headers. It has
nothing to do with the CDT.

Axel

http://gcc.gnu.org/onlinedocs/gcc-4.4.1/gcc/Precompiled-Head ers.html#Precompiled-Headers

Before you ask
- search this forum
- see the FAQ http://wiki.eclipse.org/CDT/User/FAQ
- google

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Re: Pre-compiled Headers ? [message #468239 is a reply to message #468170]

Tue, 04 August 2009 15:47

Eclipse User

Originally posted by: loaden.gmail.com

I hope too.

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Re: Pre-compiled Headers ? [message #489546 is a reply to message #468068]

Sun, 04 October 2009 18:35

John

Messages: 1
Registered: October 2009

Junior Member

Hi,

I've been using the following workaround to get precompiled headers to work a bit more nicely with eclipse:

http://jdleesmiller.blogspot.com/2009/10/amazing-ruby-precom piled-header-hack.html

HTH.

John.

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Re: Pre-compiled Headers ? [message #491062 is a reply to message #468068]

Tue, 13 October 2009 05:21

David Brady

Messages: 5
Registered: October 2009

Junior Member

It's a nice little hack, but it requires external software. You can do this entirely in Eclipse through a slightly uglier hack, I've discovered.

If you create a Resource Custom Build Step on your header file, you can specify the output name as "../stdafx.gch", and just copy/paste your compiler options into the command box.

Then you create a new make target (stdafx.gch), and add "make stdafx.gch" as a prebuild step.

The upside of this technique is that you can have multiple PCHs, (so you could have one per configuration), but the drawback is that it's still a hack, and you need to be careful to ensure that your PCH compiler options are the same as your compiler options for your other files.

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