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Re: GCC of MinGW was updated to 4.5.0
From: |
Tatsuro MATSUOKA |
Subject: |
Re: GCC of MinGW was updated to 4.5.0 |
Date: |
Tue, 16 Mar 2010 10:41:26 +0900 (JST) |
Hello
I have found a problem that gcc-4.5.0 may not work correct when it is not
installed in C:\MinGW.
This is not good at octave packaging like current octave-3.2.3/mingw.
But this bug(?) can be avoided by addinf -I/mingw/include
Please see the threads,
http://old.nabble.com/gcc-4.5.0-:-Is-flag--I-mingw-include-always-needed---td27901832.html
I moved my mingw directory to c:\MinGW and try to test build octave by new gcc.
Regards
Tatsuro
--- Tatsuro MATSUOKA wrote:
> Hello
>
> For those who to build octave from source on MinGW platform.
>
> GCC of MinGW was updated to 4.5.0 on March 13, 2010.
>
> >From this release, linking shared runtime libraries are default except for C.
>
> >From release note
>
http://sourceforge.net/projects/mingw/files/MinGW%20Proposed/gcc-4.5.0_20100311-1/gcc-4.5.0_20100311-1-mingw32.RELEASE_NOTES.txt/view
> **********
> * Shared libgcc: If all modules are linked with -shared-libgcc,
> exceptions can be thrown across DLL boundaries. Note that this is
> the default for all languages other than C. To disable this, use
> -static-libgcc.
>
> * Shared libstdc++: By default, C++ modules are linked with a DLL version
> of libstdc++. To use the static version, use the -static-libstdc++ flag.
> *********
>
> The above change will be useful for libtool build for the development branch.
> I have just been noticed. I will try it from now
>
> Regards
>
> Tatsuro
>
>
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