Hello,

I installed Guix 0.8.3 on an Arch machine and tried to install zile, because it has few dependencies. Though some files are downloaded from hydra.gnu.org, guix tries to build packages. It fails at gcc's build at target s-attrtab. When doing "guix pull", building also fails at gcc-cross-boot0's target s-attrtab.

Looking around a bit, I found [0]. Apparently someone had the same issue, though discussion broke off, because the reporter wasn't able to provide the build log, so here it is for gcc-cross-boot0 (last 200 lines). Maybe we can just lift off where the previous discussion died.

Best regards,
Aljosha Papsch

[0] https://lists.gnu.org/archive/html/guix-devel/2014-11/msg00427.html
 # include_next <limits.h>
   ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/signal.h:32:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/sys/param.h:28,
                 from ../../gcc-4.9.3/gcc/system.h:266,
                 from ../../gcc-4.9.3/gcc/c-family/stub-objc.c:23:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/sigset.h:117:65:
 warning: invoking macro __SIGSETFN argument 3: empty macro arguments are 
undefined in ISO C90 and ISO C++98 [enabled by default]
 __SIGSETFN (__sigaddset, ((__set->__val[__word] |= __mask), 0), )
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/sigset.h:118:66:
 warning: invoking macro __SIGSETFN argument 3: empty macro arguments are 
undefined in ISO C90 and ISO C++98 [enabled by default]
 __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
                                                                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/stdlib.h:760:0,
                 from ../../gcc-4.9.3/gcc/system.h:226,
                 from ../../gcc-4.9.3/gcc/c-family/stub-objc.c:23:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:
 In function 'void* bsearch(const void*, const void*, size_t, size_t, 
__compar_fn_t)':
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:32:65:
 warning: cast from type 'const char*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
       __p = (void *) (((const char *) __base) + (__idx * __size));
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:39:18:
 warning: cast from type 'const void*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
  return (void *) __p;
                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl.h:61:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/fcntl.h:35,
                 from ../../gcc-4.9.3/gcc/system.h:317,
                 from ../../gcc-4.9.3/gcc/c-family/stub-objc.c:23:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:
 At global scope:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:312:27:
 warning: ISO C++ forbids zero-size array 'f_handle' [-Wpedantic]
   unsigned char f_handle[0];
                           ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/stdlib.h:760:0,
                 from ../../gcc-4.9.3/gcc/system.h:226,
                 from ../../gcc-4.9.3/gcc/c/c-lang.c:22:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:
 In function 'void* bsearch(const void*, const void*, size_t, size_t, 
__compar_fn_t)':
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:32:65:
 warning: cast from type 'const char*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
       __p = (void *) (((const char *) __base) + (__idx * __size));
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:39:18:
 warning: cast from type 'const void*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
  return (void *) __p;
                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl.h:61:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/fcntl.h:35,
                 from ../../gcc-4.9.3/gcc/system.h:317,
                 from ../../gcc-4.9.3/gcc/c/c-lang.c:22:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:
 At global scope:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:312:27:
 warning: ISO C++ forbids zero-size array 'f_handle' [-Wpedantic]
   unsigned char f_handle[0];
                           ^
g++ -c  -DIN_GCC_FRONTEND -DIN_GCC_FRONTEND -DIN_GCC_FRONTEND -g -O2 -DIN_GCC  
-DCROSS_DIRECTORY_STRUCTURE  -fno-exceptions -fno-rtti 
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings 
-Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long 
-Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -I. -I. 
-I../../gcc-4.9.3/gcc -I../../gcc-4.9.3/gcc/. -I../../gcc-4.9.3/gcc/../include 
-I../../gcc-4.9.3/gcc/../libcpp/include 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/build/./gmp 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/gmp 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/build/./mpfr/src 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/mpfr/src 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/mpc/src  
-I../../gcc-4.9.3/gcc/../libdecnumber -I../../gcc-4.9.3/gcc/../libdecnumber/dpd 
-I../libdecnumber -I../../gcc-4.9.3/gcc/../libbacktrace    -o attribs.o -MT 
attribs.o -MMD -MP -MF ./.deps/attribs.TPo ../../gcc-4.9.3/gcc/attribs.c
g++ -c  -DIN_GCC_FRONTEND -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE  
-fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing 
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long 
-Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -I. -Ic 
-I../../gcc-4.9.3/gcc -I../../gcc-4.9.3/gcc/c -I../../gcc-4.9.3/gcc/../include 
-I../../gcc-4.9.3/gcc/../libcpp/include 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/build/./gmp 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/gmp 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/build/./mpfr/src 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/mpfr/src 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/mpc/src  
-I../../gcc-4.9.3/gcc/../libdecnumber -I../../gcc-4.9.3/gcc/../libdecnumber/dpd 
-I../libdecnumber -I../../gcc-4.9.3/gcc/../libbacktrace    -o c/c-errors.o -MT 
c/c-errors.o -MMD -MP -MF c/.deps/c-errors.TPo ../../gcc-4.9.3/gcc/c/c-errors.c
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/sys/param.h:26:0,
                 from ../../gcc-4.9.3/gcc/system.h:266,
                 from ../../gcc-4.9.3/gcc/attribs.c:21:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/limits.h:123:3:
 warning: #include_next is a GCC extension [enabled by default]
 # include_next <limits.h>
   ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/signal.h:32:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/sys/param.h:28,
                 from ../../gcc-4.9.3/gcc/system.h:266,
                 from ../../gcc-4.9.3/gcc/attribs.c:21:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/sigset.h:117:65:
 warning: invoking macro __SIGSETFN argument 3: empty macro arguments are 
undefined in ISO C90 and ISO C++98 [enabled by default]
 __SIGSETFN (__sigaddset, ((__set->__val[__word] |= __mask), 0), )
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/sigset.h:118:66:
 warning: invoking macro __SIGSETFN argument 3: empty macro arguments are 
undefined in ISO C90 and ISO C++98 [enabled by default]
 __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
                                                                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/sys/param.h:26:0,
                 from ../../gcc-4.9.3/gcc/system.h:266,
                 from ../../gcc-4.9.3/gcc/c/c-errors.c:22:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/limits.h:123:3:
 warning: #include_next is a GCC extension [enabled by default]
 # include_next <limits.h>
   ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/signal.h:32:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/sys/param.h:28,
                 from ../../gcc-4.9.3/gcc/system.h:266,
                 from ../../gcc-4.9.3/gcc/c/c-errors.c:22:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/sigset.h:117:65:
 warning: invoking macro __SIGSETFN argument 3: empty macro arguments are 
undefined in ISO C90 and ISO C++98 [enabled by default]
 __SIGSETFN (__sigaddset, ((__set->__val[__word] |= __mask), 0), )
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/sigset.h:118:66:
 warning: invoking macro __SIGSETFN argument 3: empty macro arguments are 
undefined in ISO C90 and ISO C++98 [enabled by default]
 __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
                                                                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/stdlib.h:760:0,
                 from ../../gcc-4.9.3/gcc/system.h:226,
                 from ../../gcc-4.9.3/gcc/attribs.c:21:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:
 In function 'void* bsearch(const void*, const void*, size_t, size_t, 
__compar_fn_t)':
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:32:65:
 warning: cast from type 'const char*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
       __p = (void *) (((const char *) __base) + (__idx * __size));
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:39:18:
 warning: cast from type 'const void*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
  return (void *) __p;
                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl.h:61:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/fcntl.h:35,
                 from ../../gcc-4.9.3/gcc/system.h:317,
                 from ../../gcc-4.9.3/gcc/attribs.c:21:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:
 At global scope:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:312:27:
 warning: ISO C++ forbids zero-size array 'f_handle' [-Wpedantic]
   unsigned char f_handle[0];
                           ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/stdlib.h:760:0,
                 from ../../gcc-4.9.3/gcc/system.h:226,
                 from ../../gcc-4.9.3/gcc/c/c-errors.c:22:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:
 In function 'void* bsearch(const void*, const void*, size_t, size_t, 
__compar_fn_t)':
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:32:65:
 warning: cast from type 'const char*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
       __p = (void *) (((const char *) __base) + (__idx * __size));
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:39:18:
 warning: cast from type 'const void*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
  return (void *) __p;
                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl.h:61:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/fcntl.h:35,
                 from ../../gcc-4.9.3/gcc/system.h:317,
                 from ../../gcc-4.9.3/gcc/c/c-errors.c:22:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:
 At global scope:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:312:27:
 warning: ISO C++ forbids zero-size array 'f_handle' [-Wpedantic]
   unsigned char f_handle[0];
                           ^
g++ -c  -DIN_GCC_FRONTEND -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE  
-fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing 
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long 
-Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -I. -Ic 
-I../../gcc-4.9.3/gcc -I../../gcc-4.9.3/gcc/c -I../../gcc-4.9.3/gcc/../include 
-I../../gcc-4.9.3/gcc/../libcpp/include 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/build/./gmp 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/gmp 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/build/./mpfr/src 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/mpfr/src 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/mpc/src  
-I../../gcc-4.9.3/gcc/../libdecnumber -I../../gcc-4.9.3/gcc/../libdecnumber/dpd 
-I../libdecnumber -I../../gcc-4.9.3/gcc/../libbacktrace    -o c/c-decl.o -MT 
c/c-decl.o -MMD -MP -MF c/.deps/c-decl.TPo ../../gcc-4.9.3/gcc/c/c-decl.c
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/sys/param.h:26:0,
                 from ../../gcc-4.9.3/gcc/system.h:266,
                 from ../../gcc-4.9.3/gcc/c/c-decl.c:28:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/limits.h:123:3:
 warning: #include_next is a GCC extension [enabled by default]
 # include_next <limits.h>
   ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/signal.h:32:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/sys/param.h:28,
                 from ../../gcc-4.9.3/gcc/system.h:266,
                 from ../../gcc-4.9.3/gcc/c/c-decl.c:28:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/sigset.h:117:65:
 warning: invoking macro __SIGSETFN argument 3: empty macro arguments are 
undefined in ISO C90 and ISO C++98 [enabled by default]
 __SIGSETFN (__sigaddset, ((__set->__val[__word] |= __mask), 0), )
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/sigset.h:118:66:
 warning: invoking macro __SIGSETFN argument 3: empty macro arguments are 
undefined in ISO C90 and ISO C++98 [enabled by default]
 __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
                                                                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/stdlib.h:760:0,
                 from ../../gcc-4.9.3/gcc/system.h:226,
                 from ../../gcc-4.9.3/gcc/c/c-decl.c:28:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:
 In function 'void* bsearch(const void*, const void*, size_t, size_t, 
__compar_fn_t)':
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:32:65:
 warning: cast from type 'const char*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
       __p = (void *) (((const char *) __base) + (__idx * __size));
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:39:18:
 warning: cast from type 'const void*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
  return (void *) __p;
                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl.h:61:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/fcntl.h:35,
                 from ../../gcc-4.9.3/gcc/system.h:317,
                 from ../../gcc-4.9.3/gcc/c/c-decl.c:28:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:
 At global scope:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:312:27:
 warning: ISO C++ forbids zero-size array 'f_handle' [-Wpedantic]
   unsigned char f_handle[0];
                           ^
g++ -c  -DIN_GCC_FRONTEND -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE  
-fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing 
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long 
-Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -I. -Ic 
-I../../gcc-4.9.3/gcc -I../../gcc-4.9.3/gcc/c -I../../gcc-4.9.3/gcc/../include 
-I../../gcc-4.9.3/gcc/../libcpp/include 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/build/./gmp 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/gmp 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/build/./mpfr/src 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/mpfr/src 
-I/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/gcc-4.9.3/mpc/src  
-I../../gcc-4.9.3/gcc/../libdecnumber -I../../gcc-4.9.3/gcc/../libdecnumber/dpd 
-I../libdecnumber -I../../gcc-4.9.3/gcc/../libbacktrace    -o c/c-typeck.o -MT 
c/c-typeck.o -MMD -MP -MF c/.deps/c-typeck.TPo ../../gcc-4.9.3/gcc/c/c-typeck.c
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/sys/param.h:26:0,
                 from ../../gcc-4.9.3/gcc/system.h:266,
                 from ../../gcc-4.9.3/gcc/c/c-typeck.c:27:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/limits.h:123:3:
 warning: #include_next is a GCC extension [enabled by default]
 # include_next <limits.h>
   ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/signal.h:32:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/sys/param.h:28,
                 from ../../gcc-4.9.3/gcc/system.h:266,
                 from ../../gcc-4.9.3/gcc/c/c-typeck.c:27:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/sigset.h:117:65:
 warning: invoking macro __SIGSETFN argument 3: empty macro arguments are 
undefined in ISO C90 and ISO C++98 [enabled by default]
 __SIGSETFN (__sigaddset, ((__set->__val[__word] |= __mask), 0), )
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/sigset.h:118:66:
 warning: invoking macro __SIGSETFN argument 3: empty macro arguments are 
undefined in ISO C90 and ISO C++98 [enabled by default]
 __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
                                                                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/stdlib.h:760:0,
                 from ../../gcc-4.9.3/gcc/system.h:226,
                 from ../../gcc-4.9.3/gcc/c/c-typeck.c:27:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:
 In function 'void* bsearch(const void*, const void*, size_t, size_t, 
__compar_fn_t)':
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:32:65:
 warning: cast from type 'const char*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
       __p = (void *) (((const char *) __base) + (__idx * __size));
                                                                 ^
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/stdlib-bsearch.h:39:18:
 warning: cast from type 'const void*' to type 'void*' casts away qualifiers 
[-Wcast-qual]
  return (void *) __p;
                  ^
In file included from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl.h:61:0,
                 from 
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/fcntl.h:35,
                 from ../../gcc-4.9.3/gcc/system.h:317,
                 from ../../gcc-4.9.3/gcc/c/c-typeck.c:27:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:
 At global scope:
/gnu/store/bvm9979qakgpiibhk5wm435hp5l5r1kq-glibc-bootstrap-0/include/bits/fcntl-linux.h:312:27:
 warning: ISO C++ forbids zero-size array 'f_handle' [-Wpedantic]
   unsigned char f_handle[0];
                           ^
Makefile:2107: recipe for target 's-attrtab' failed
make[2]: *** [s-attrtab] Killed
make[2]: *** Waiting for unfinished jobs....
/gnu/store/iywv1my21ijicwgmdhvszi7zz6zhcvrn-bootstrap-binaries-0/bin/bash 
../../gcc-4.9.3/gcc/../move-if-change tmp-automata.c insn-automata.c
echo timestamp > s-automata
make[2]: Leaving directory 
'/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/build/gcc'
Makefile:3960: recipe for target 'all-gcc' failed
make[1]: *** [all-gcc] Error 2
make[1]: Leaving directory '/tmp/nix-build-gcc-cross-boot0-4.9.3.drv-0/build'
Makefile:846: recipe for target 'all' failed
make: *** [all] Error 2
phase `build' failed after 98 seconds

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