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Old 12-08-2011, 07:15 AM
"Walter Dnes"
 
Default cxx/nocxx error building gcc-4.5.3-r1

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";
*

--
Walter Dnes <waltdnes@waltdnes.org>
 
Old 12-08-2011, 08:04 AM
Hinnerk van Bruinehsen
 
Default cxx/nocxx error building gcc-4.5.3-r1

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Hash: SHA1

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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