Re: [gentoo-user] cxx/nocxx error building gcc-4.5.3-r1

[Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>]

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Hi,

since you have not posted your specific USE-flags, it gets harder to
help you. I think you could try to add cxx to your USE-flags.
If the does not help you, you should post your USE-flags and
eventually the output of emerge --info to make it easier for us to
help you.

regards

Hinnerk

On 08.12.2011 09:15, Walter Dnes wrote:
> I'm doing a fresh 32-bit install on an older Dell with an AMD K8,
> for experimentation.  I'm getting a build failure on gcc as listed
> below.  I start off my USE variable with "-*" and then add on stuff
> as necessary. A Google search turned up 
> http://www.gossamer-threads.com/lists/gentoo/dev/242446 where
> vapier says...
> 
>> this way when i do cut over from USE=nocxx to USE=cxx, we don't
>> end up with users missing C++ compilers simply because they have
>> old make.conf settings that started out with: USE="-* ..."
> 
> That appears to be relavant to me.  But I'm not a developer, and I 
> don't claim to totally understand what he's talking about.  I do
> have some ebuilds that use C++.  Should I add "cxx" to my USE
> variable?  The build error message follows...
> 
> * Fixing misc issues in configure files * Applying
> gcc-configure-texinfo.patch ... * Touching generated files *
> Touching gcc/cstamp-h.in *   Touching gcc/config.in *   Touching
> libjava/aclocal.m4 *   Touching libjava/Makefile.in *   Touching
> libjava/configure * Applying gcc-spec-env.patch ...
>>>> Source unpacked in
>>>> /var/tmp/portage/sys-devel/gcc-4.5.3-r1/work Compiling source
>>>> in /var/tmp/portage/sys-devel/gcc-4.5.3-r1/work/gcc-4.5.3
>>>> ...
> * CFLAGS="-O2 -march=native -pipe" * CXXFLAGS="-O2 -march=native
> -pipe" * Configuring gcc ... * We are migrating USE=nocxx to
> USE=cxx, but your USE settings do not make * sense.  Please make
> sure these two flags line up logically in your setup. * ERROR:
> sys-devel/gcc-4.5.3-r1 failed (compile phase): *   USE='cxx nocxx'
> and USE='-cxx -nocxx' make no sense * * Call stack: *
> ebuild.sh, line   56:  Called src_compile *   environment, line
> 4463:  Called toolchain_src_compile *   environment, line 5158:
> Called gcc_do_configure *   environment, line 2417:  Called die *
> The specific snippet of code: *               die "USE='cxx nocxx'
> and USE='-cxx -nocxx' make no sense"; *
> 

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