Subject: bug#41209: closed (Re: bug#41209: AVR toolchain fails to build)

From: [email-masked] (GNU bug Tracking System)
Date: Wed, 13 May 2020 19:15:02 +0000

Your bug report

#41209: AVR toolchain fails to build

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to [email-masked].

-- 
41209: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41209
GNU Bug Tracking System
Contact [email-masked] with problems

Subject: Re: bug#41209: AVR toolchain fails to build
From: Marius Bakke <[email-masked]>
To: Ricardo Wurmus <[email-masked]>, [email-masked]
Date: Wed, 13 May 2020 21:14:01 +0200
List-Id: <debbugs-submit.debbugs.gnu.org>

Ricardo Wurmus <[email-masked]> writes:

> avr-toolchain-5.5.0 fails to build.  It seems to be mixing headers from
> GCC 5 and GCC 7:
>
> --8<---------------cut here---------------start------------->8---
> In file included from /gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:36:0,
>                  from ../../gcc-5.5.0/libcpp/system.h:214,
>                  from ../../gcc-5.5.0/libcpp/directives.c:22:
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:118:11: error: ‘::div_t’ has not been declared
>    using ::div_t;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:119:11: error: ‘::ldiv_t’ has not been declared
>    using ::ldiv_t;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:121:11: error: ‘::abort’ has not been declared
>    using ::abort;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:122:11: error: ‘::abs’ has not been declared
>    using ::abs;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:123:11: error: ‘::atexit’ has not been declared
>    using ::atexit;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:129:11: error: ‘::atof’ has not been declared
>    using ::atof;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:130:11: error: ‘::atoi’ has not been declared
>    using ::atoi;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:131:11: error: ‘::atol’ has not been declared
>    using ::atol;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:132:11: error: ‘::bsearch’ has not been declared
>    using ::bsearch;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:133:11: error: ‘::calloc’ has not been declared
>    using ::calloc;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:134:11: error: ‘::div’ has not been declared
>    using ::div;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:135:11: error: ‘::exit’ has not been declared
>    using ::exit;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:136:11: error: ‘::free’ has not been declared
>    using ::free;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:137:11: error: ‘::getenv’ has not been declared
>    using ::getenv;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:138:11: error: ‘::labs’ has not been declared
>    using ::labs;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:139:11: error: ‘::ldiv’ has not been declared
>    using ::ldiv;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:140:11: error: ‘::malloc’ has not been declared
>    using ::malloc;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:142:11: error: ‘::mblen’ has not been declared
>    using ::mblen;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:143:11: error: ‘::mbstowcs’ has not been declared
>    using ::mbstowcs;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:144:11: error: ‘::mbtowc’ has not been declared
>    using ::mbtowc;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:146:11: error: ‘::qsort’ has not been declared
>    using ::qsort;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:152:11: error: ‘::rand’ has not been declared
>    using ::rand;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:153:11: error: ‘::realloc’ has not been declared
>    using ::realloc;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:154:11: error: ‘::srand’ has not been declared
>    using ::srand;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:155:11: error: ‘::strtod’ has not been declared
>    using ::strtod;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:156:11: error: ‘::strtol’ has not been declared
>    using ::strtol;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:157:11: error: ‘::strtoul’ has not been declared
>    using ::strtoul;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:158:11: error: ‘::system’ has not been declared
>    using ::system;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:160:11: error: ‘::wcstombs’ has not been declared
>    using ::wcstombs;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:161:11: error: ‘::wctomb’ has not been declared
>    using ::wctomb;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:168:10: error: ‘ldiv_t’ does not name a type
>    inline ldiv_t
>           ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:214:11: error: ‘::lldiv_t’ has not been declared
>    using ::lldiv_t;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:220:11: error: ‘::_Exit’ has not been declared
>    using ::_Exit;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:224:11: error: ‘::llabs’ has not been declared
>    using ::llabs;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:226:10: error: ‘lldiv_t’ does not name a type
>    inline lldiv_t
>           ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:230:11: error: ‘::lldiv’ has not been declared
>    using ::lldiv;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:241:11: error: ‘::atoll’ has not been declared
>    using ::atoll;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:242:11: error: ‘::strtoll’ has not been declared
>    using ::strtoll;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:243:11: error: ‘::strtoull’ has not been declared
>    using ::strtoull;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:245:11: error: ‘::strtof’ has not been declared
>    using ::strtof;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:246:11: error: ‘::strtold’ has not been declared
>    using ::strtold;
>            ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:254:22: error: ‘__gnu_cxx::lldiv_t’ has not been declared
>    using ::__gnu_cxx::lldiv_t;
>                       ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:256:22: error: ‘__gnu_cxx::_Exit’ has not been declared
>    using ::__gnu_cxx::_Exit;
>                       ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:258:22: error: ‘__gnu_cxx::llabs’ has not been declared
>    using ::__gnu_cxx::llabs;
>                       ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:259:22: error: ‘__gnu_cxx::div’ has not been declared
>    using ::__gnu_cxx::div;
>                       ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:260:22: error: ‘__gnu_cxx::lldiv’ has not been declared
>    using ::__gnu_cxx::lldiv;
>                       ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:262:22: error: ‘__gnu_cxx::atoll’ has not been declared
>    using ::__gnu_cxx::atoll;
>                       ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:263:22: error: ‘__gnu_cxx::strtof’ has not been declared
>    using ::__gnu_cxx::strtof;
>                       ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:264:22: error: ‘__gnu_cxx::strtoll’ has not been declared
>    using ::__gnu_cxx::strtoll;
>                       ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:265:22: error: ‘__gnu_cxx::strtoull’ has not been declared
>    using ::__gnu_cxx::strtoull;
>                       ^
> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:266:22: error: ‘__gnu_cxx::strtold’ has not been declared
>    using ::__gnu_cxx::strtold;
>                       ^
> In file included from ../../gcc-5.5.0/libcpp/system.h:214:0,
>                  from ../../gcc-5.5.0/libcpp/directives.c:22:
> /gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:38:12: error: ‘std::abort’ has not been declared
>  using std::abort;
>             ^
> /gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:39:12: error: ‘std::atexit’ has not been declared
>  using std::atexit;
>             ^
> /gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:40:12: error: ‘std::exit’ has not been declared
>  using std::exit;
>             ^
> /gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:51:12: error: ‘std::div_t’ has not been declared
>  using std::div_t;
>             ^
> /gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:52:12: error: ‘std::ldiv_t’ has not been declared
>  using std::ldiv_t;
>             ^
> /gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:55:12: error: ‘std::atof’ has not been declared
>  using std::atof;
>             ^
> /gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:56:12: error: ‘std::atoi’ has not been declared
>  using std::atoi;
> --8<---------------cut here---------------end--------------->8---

Fixed in fd96ae4a709c5509f2d78af3968d64fe805ad1ef, thanks!

Subject: AVR toolchain fails to build
From: Ricardo Wurmus <[email-masked]>
To: [email-masked]
Date: Tue, 12 May 2020 16:00:06 +0200
List-Id: <debbugs-submit.debbugs.gnu.org>

avr-toolchain-5.5.0 fails to build.  It seems to be mixing headers from
GCC 5 and GCC 7:

--8<---------------cut here---------------start------------->8---
In file included from /gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:36:0,
                 from ../../gcc-5.5.0/libcpp/system.h:214,
                 from ../../gcc-5.5.0/libcpp/directives.c:22:
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:118:11: error: ‘::div_t’ has not been declared
   using ::div_t;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:119:11: error: ‘::ldiv_t’ has not been declared
   using ::ldiv_t;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:121:11: error: ‘::abort’ has not been declared
   using ::abort;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:122:11: error: ‘::abs’ has not been declared
   using ::abs;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:123:11: error: ‘::atexit’ has not been declared
   using ::atexit;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:129:11: error: ‘::atof’ has not been declared
   using ::atof;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:130:11: error: ‘::atoi’ has not been declared
   using ::atoi;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:131:11: error: ‘::atol’ has not been declared
   using ::atol;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:132:11: error: ‘::bsearch’ has not been declared
   using ::bsearch;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:133:11: error: ‘::calloc’ has not been declared
   using ::calloc;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:134:11: error: ‘::div’ has not been declared
   using ::div;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:135:11: error: ‘::exit’ has not been declared
   using ::exit;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:136:11: error: ‘::free’ has not been declared
   using ::free;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:137:11: error: ‘::getenv’ has not been declared
   using ::getenv;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:138:11: error: ‘::labs’ has not been declared
   using ::labs;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:139:11: error: ‘::ldiv’ has not been declared
   using ::ldiv;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:140:11: error: ‘::malloc’ has not been declared
   using ::malloc;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:142:11: error: ‘::mblen’ has not been declared
   using ::mblen;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:143:11: error: ‘::mbstowcs’ has not been declared
   using ::mbstowcs;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:144:11: error: ‘::mbtowc’ has not been declared
   using ::mbtowc;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:146:11: error: ‘::qsort’ has not been declared
   using ::qsort;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:152:11: error: ‘::rand’ has not been declared
   using ::rand;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:153:11: error: ‘::realloc’ has not been declared
   using ::realloc;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:154:11: error: ‘::srand’ has not been declared
   using ::srand;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:155:11: error: ‘::strtod’ has not been declared
   using ::strtod;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:156:11: error: ‘::strtol’ has not been declared
   using ::strtol;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:157:11: error: ‘::strtoul’ has not been declared
   using ::strtoul;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:158:11: error: ‘::system’ has not been declared
   using ::system;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:160:11: error: ‘::wcstombs’ has not been declared
   using ::wcstombs;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:161:11: error: ‘::wctomb’ has not been declared
   using ::wctomb;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:168:10: error: ‘ldiv_t’ does not name a type
   inline ldiv_t
          ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:214:11: error: ‘::lldiv_t’ has not been declared
   using ::lldiv_t;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:220:11: error: ‘::_Exit’ has not been declared
   using ::_Exit;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:224:11: error: ‘::llabs’ has not been declared
   using ::llabs;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:226:10: error: ‘lldiv_t’ does not name a type
   inline lldiv_t
          ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:230:11: error: ‘::lldiv’ has not been declared
   using ::lldiv;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:241:11: error: ‘::atoll’ has not been declared
   using ::atoll;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:242:11: error: ‘::strtoll’ has not been declared
   using ::strtoll;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:243:11: error: ‘::strtoull’ has not been declared
   using ::strtoull;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:245:11: error: ‘::strtof’ has not been declared
   using ::strtof;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:246:11: error: ‘::strtold’ has not been declared
   using ::strtold;
           ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:254:22: error: ‘__gnu_cxx::lldiv_t’ has not been declared
   using ::__gnu_cxx::lldiv_t;
                      ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:256:22: error: ‘__gnu_cxx::_Exit’ has not been declared
   using ::__gnu_cxx::_Exit;
                      ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:258:22: error: ‘__gnu_cxx::llabs’ has not been declared
   using ::__gnu_cxx::llabs;
                      ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:259:22: error: ‘__gnu_cxx::div’ has not been declared
   using ::__gnu_cxx::div;
                      ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:260:22: error: ‘__gnu_cxx::lldiv’ has not been declared
   using ::__gnu_cxx::lldiv;
                      ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:262:22: error: ‘__gnu_cxx::atoll’ has not been declared
   using ::__gnu_cxx::atoll;
                      ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:263:22: error: ‘__gnu_cxx::strtof’ has not been declared
   using ::__gnu_cxx::strtof;
                      ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:264:22: error: ‘__gnu_cxx::strtoll’ has not been declared
   using ::__gnu_cxx::strtoll;
                      ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:265:22: error: ‘__gnu_cxx::strtoull’ has not been declared
   using ::__gnu_cxx::strtoull;
                      ^
/gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:266:22: error: ‘__gnu_cxx::strtold’ has not been declared
   using ::__gnu_cxx::strtold;
                      ^
In file included from ../../gcc-5.5.0/libcpp/system.h:214:0,
                 from ../../gcc-5.5.0/libcpp/directives.c:22:
/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:38:12: error: ‘std::abort’ has not been declared
 using std::abort;
            ^
/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:39:12: error: ‘std::atexit’ has not been declared
 using std::atexit;
            ^
/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:40:12: error: ‘std::exit’ has not been declared
 using std::exit;
            ^
/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:51:12: error: ‘std::div_t’ has not been declared
 using std::div_t;
            ^
/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:52:12: error: ‘std::ldiv_t’ has not been declared
 using std::ldiv_t;
            ^
/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:55:12: error: ‘std::atof’ has not been declared
 using std::atof;
            ^
/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:56:12: error: ‘std::atoi’ has not been declared
 using std::atoi;
--8<---------------cut here---------------end--------------->8---

-- 
Ricardo