Errors gcc-4.9.1

➜  gcc-4.9.1  make
[ -f stage_final ] || echo stage3 > stage_final
mkdir host-x86_64-apple-darwin14.0.0
Configuring stage 1 in host-x86_64-apple-darwin14.0.0/intl
configure: creating cache ./config.cache
checking whether /Applications/Xcode.app/Contents/Developer/usr/bin/make sets $(MAKE)... yes
checking for a BSD-compatible install... /usr/bin/install -c
checking whether NLS is requested... yes
[...]
if [ x"" != x ]; then \
      /Users/Max13/Downloads/gcc-4.9.1/host-x86_64-apple-darwin14.0.0/prev-gcc/xgcc -B/Users/Max13/Downloads/gcc-4.9.1/host-x86_64-apple-darwin14.0.0/prev-gcc/ -B/usr/local/x86_64-apple-darwin14.0.0/bin/ -B/usr/local/x86_64-apple-darwin14.0.0/bin/ -B/usr/local/x86_64-apple-darwin14.0.0/lib/ -isystem /usr/local/x86_64-apple-darwin14.0.0/include -isystem /usr/local/x86_64-apple-darwin14.0.0/sys-include    -c -DHAVE_CONFIG_H -g -O2  -gtoggle  -I. -I../.././libiberty/../include  -W -Wall -Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic   ../.././libiberty/fdmatch.c -o pic/fdmatch.o; \
    else true; fi
/Users/Max13/Downloads/gcc-4.9.1/host-x86_64-apple-darwin14.0.0/prev-gcc/xgcc -B/Users/Max13/Downloads/gcc-4.9.1/host-x86_64-apple-darwin14.0.0/prev-gcc/ -B/usr/local/x86_64-apple-darwin14.0.0/bin/ -B/usr/local/x86_64-apple-darwin14.0.0/bin/ -B/usr/local/x86_64-apple-darwin14.0.0/lib/ -isystem /usr/local/x86_64-apple-darwin14.0.0/include -isystem /usr/local/x86_64-apple-darwin14.0.0/sys-include    -c -DHAVE_CONFIG_H -g -O2  -gtoggle  -I. -I../.././libiberty/../include  -W -Wall -Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic  ../.././libiberty/fdmatch.c -o fdmatch.o
xgcc: warning: couldn’t understand kern.osversion ‘14.0.0
if [ x"" != x ]; then \
      /Users/Max13/Downloads/gcc-4.9.1/host-x86_64-apple-darwin14.0.0/prev-gcc/xgcc -B/Users/Max13/Downloads/gcc-4.9.1/host-x86_64-apple-darwin14.0.0/prev-gcc/ -B/usr/local/x86_64-apple-darwin14.0.0/bin/ -B/usr/local/x86_64-apple-darwin14.0.0/bin/ -B/usr/local/x86_64-apple-darwin14.0.0/lib/ -isystem /usr/local/x86_64-apple-darwin14.0.0/include -isystem /usr/local/x86_64-apple-darwin14.0.0/sys-include    -c -DHAVE_CONFIG_H -g -O2  -gtoggle  -I. -I../.././libiberty/../include  -W -Wall -Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic   ../.././libiberty/fibheap.c -o pic/fibheap.o; \
    else true; fi
/Users/Max13/Downloads/gcc-4.9.1/host-x86_64-apple-darwin14.0.0/prev-gcc/xgcc -B/Users/Max13/Downloads/gcc-4.9.1/host-x86_64-apple-darwin14.0.0/prev-gcc/ -B/usr/local/x86_64-apple-darwin14.0.0/bin/ -B/usr/local/x86_64-apple-darwin14.0.0/bin/ -B/usr/local/x86_64-apple-darwin14.0.0/lib/ -isystem /usr/local/x86_64-apple-darwin14.0.0/include -isystem /usr/local/x86_64-apple-darwin14.0.0/sys-include    -c -DHAVE_CONFIG_H -g -O2  -gtoggle  -I. -I../.././libiberty/../include  -W -Wall -Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic  ../.././libiberty/fibheap.c -o fibheap.o
xgcc: warning: couldn’t understand kern.osversion ‘14.0.0
../.././libiberty/fibheap.c: In function ‘fibheap_union’:
../.././libiberty/fibheap.c:151:7: warning: implicit declaration of function ‘free’ [-Wimplicit-function-declaration]
       free (heapa);
       ^
../.././libiberty/fibheap.c:151:7: warning: incompatible implicit declaration of built-in function ‘free’
../.././libiberty/fibheap.c:156:7: warning: incompatible implicit declaration of built-in function ‘free’
       free (heapb);
       ^
../.././libiberty/fibheap.c:172:3: warning: incompatible implicit declaration of built-in function ‘free’
   free (heapb);
   ^
../.././libiberty/fibheap.c: In function ‘fibheap_extract_min’:
../.././libiberty/fibheap.c:190:7: warning: incompatible implicit declaration of built-in function ‘free’
       free (z);
       ^
../.././libiberty/fibheap.c: In function ‘fibheap_replace_key_data’:
../.././libiberty/fibheap.c:38:24: error: ‘LONG_MIN’ undeclared (first use in this function)
 #define FIBHEAPKEY_MIN LONG_MIN
                        ^
../.././libiberty/fibheap.c:220:30: note: in expansion of macro ‘FIBHEAPKEY_MIN’
   if (okey == key && okey != FIBHEAPKEY_MIN)
                              ^
../.././libiberty/fibheap.c:38:24: note: each undeclared identifier is reported only once for each function it appears in
 #define FIBHEAPKEY_MIN LONG_MIN
                        ^
../.././libiberty/fibheap.c:220:30: note: in expansion of macro ‘FIBHEAPKEY_MIN’
   if (okey == key && okey != FIBHEAPKEY_MIN)
                              ^
../.././libiberty/fibheap.c: In function ‘fibheap_delete_node’:
../.././libiberty/fibheap.c:38:24: error: ‘LONG_MIN’ undeclared (first use in this function)
 #define FIBHEAPKEY_MIN LONG_MIN
                        ^
../.././libiberty/fibheap.c:261:36: note: in expansion of macro ‘FIBHEAPKEY_MIN’
   fibheap_replace_key (heap, node, FIBHEAPKEY_MIN);
                                    ^
../.././libiberty/fibheap.c:265:7: warning: implicit declaration of function ‘abort’ [-Wimplicit-function-declaration]
       abort ();
       ^
../.././libiberty/fibheap.c:265:7: warning: incompatible implicit declaration of built-in function ‘abort’
../.././libiberty/fibheap.c: In function ‘fibheap_delete’:
../.././libiberty/fibheap.c:277:5: warning: incompatible implicit declaration of built-in function ‘free’
     free (fibheap_extr_min_node (heap));
     ^
../.././libiberty/fibheap.c: In function ‘fibheap_consolidate’:
../.././libiberty/fibheap.c:368:3: warning: implicit declaration of function ‘memset’ [-Wimplicit-function-declaration]
   memset (a, 0, sizeof (fibnode_t) * D);
   ^
../.././libiberty/fibheap.c:368:3: warning: incompatible implicit declaration of built-in function ‘memset’
make[3]: *** [fibheap.o] Error 1
make[2]: *** [all-stage2-libiberty] Error 2
make[1]: *** [stage2-bubble] Error 2
make: *** [all] Error 2