Fwd: Re: [Mingw-w64-public] Out of memory for cc1plus

[xunxun]

如果你的gcc编译器在编译阶段报告内存溢出，可以加入

-ftrack-macro-expansion=0

-------- Original Message --------

Subject:	Re: [Mingw-w64-public] Out of memory for cc1plus
Date:	Thu, 25 Dec 2014 05:29:34 +0100
From:	Óscar Fuentes <o...@wanadoo.es>
Reply-To:	mingw-w6...@lists.sourceforge.net
To:	mingw-w6...@lists.sourceforge.net

Edward Diener <eldlist...@tropicsoft.com>
writes:

> I am seeing an out of memory message of:
>
> "cc1plus.exe: out of memory allocating 65536 bytes"
>
> when compiling code using mingw-64 from gcc-4.8.1, gcc-4.8.2, gcc-4.8.3, 
> gcc-4.9.0, and gcc-4.9.1. Nor is this just a mingw-64 problem as I am 
> seeing the same error when compiling the same code with mingw and gcc-4.8.1.
>
> Strangely this error does not occur when compiling the exact same code 
> using versions from mingw of gcc-4.3.0 through gcc-4.7.2.
>
> The code is heavily preprocessor code for my VMD library, which also 
> depends on the Boost PP library. In other words the code is almost 
> entirely involved with testing macro expansions in the libray. As a 
> piece of related information, which may not be very relevant, the latest 
> clang and versions of vc++ from vc++8 through vc++12 do not exhibit any 
> out of memory errors.

See if http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56746 applies to your
case. If the answer is affirmative, passing -ftrack-macro-expansion=0
will reduce memory usage.


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[xunxun]

如果想自己编译gcc，那么可以参照https://gcc.gnu.org/ml/gcc-patches/2012-04/msg01595.html把这个默认参数给改掉

-- 
Best Regards,
xunxun