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Old 12-08-2011, 08:27 AM
Hinnerk van Bruinehsen
 
Default cxx/nocxx error building gcc-4.5.3-r1

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Just for clarification:
- -* means -cxx and -nocxx
This can produce the failure you get. Therefore you should set cxx
(normally you should want a c++ compiler).
If you have "-* cxx nocxx ...." you will have to remove one of the two
useflags.

Hinnerk


On 08.12.2011 10:04, Hinnerk van Bruinehsen wrote:
> 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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Old 12-08-2011, 11:45 PM
"Walter Dnes"
 
Default cxx/nocxx error building gcc-4.5.3-r1

On Thu, Dec 08, 2011 at 10:27:50AM +0100, Hinnerk van Bruinehsen wrote
>
> Just for clarification:
> - -* means -cxx and -nocxx
> This can produce the failure you get. Therefore you should set cxx
> (normally you should want a c++ compiler).
> If you have "-* cxx nocxx ...." you will have to remove one of the two
> useflags.

Thanks. It builds now, with "cxx" added to USE.

--
Walter Dnes <waltdnes@waltdnes.org>
 

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