# 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