Performing x86_64-pc-elf-gcc test.o -o test.out -v -nostdlib --target=x86_64-pc-
elf -L/a/Proton/x86_64-pc-elf/x86_64-pc-elf/lib -lc -lm -lgcc
Using built-in specs.
COLLECT_GCC=a:\Proton\x86_64-pc-elf\bin\x86_64-pc-elf-gcc.exe
COLLECT_LTO_WRAPPER=a:/proton/x86_64-pc-elf/bin/../libexec/gcc/x86_64-pc-elf/4.8
.1/lto-wrapper.exe
Target: x86_64-pc-elf
Configured with: ../gcc-4.8.1/configure --prefix=/usr/local/x86_64-pc-elf --targ
et=x86_64-pc-elf --disable-nls --disable-shared --with-gmp=/usr/local/x86_64-pc-
elf --with-mpfr=/usr/local/x86_64-pc-elf --with-mpc=/usr/local/x86_64-pc-elf --w
ithout-headers --with-newlib --with-gnu-as --with-gnu-ld --enable-languages=c,c+
+ : (reconfigured) ../gcc-4.8.1/configure --prefix=/usr/local/x86_64-pc-elf --ta
rget=x86_64-pc-elf --disable-nls --disable-shared --with-gmp=/usr/local/x86_64-p
c-elf --with-mpfr=/usr/local/x86_64-pc-elf --with-mpc=/usr/local/x86_64-pc-elf -
-with-newlib --with-gnu-as --with-gnu-ld --disable-libssp --enable-languages=c,c
++
Thread model: single
gcc version 4.8.1 (GCC)
COMPILER_PATH=a:/proton/x86_64-pc-elf/bin/../libexec/gcc/x86_64-pc-elf/4.8.1/;a:
/proton/x86_64-pc-elf/bin/../libexec/gcc/;a:/proton/x86_64-pc-elf/bin/../lib/gcc
/x86_64-pc-elf/4.8.1/../../../../x86_64-pc-elf/bin/
LIBRARY_PATH=a:/proton/x86_64-pc-elf/bin/../lib/gcc/x86_64-pc-elf/4.8.1/;a:/prot
on/x86_64-pc-elf/bin/../lib/gcc/;a:/proton/x86_64-pc-elf/bin/../lib/gcc/x86_64-p
c-elf/4.8.1/../../../../x86_64-pc-elf/lib/
COLLECT_GCC_OPTIONS='-o' 'test.out' '-v' '-nostdlib' '-ftarget=x86_64-pc-elf' '-
La:/Proton/x86_64-pc-elf/x86_64-pc-elf/lib' '-mtune=generic' '-march=x86-64'
 a:/proton/x86_64-pc-elf/bin/../libexec/gcc/x86_64-pc-elf/4.8.1/collect2.exe -o
test.out -La:/Proton/x86_64-pc-elf/x86_64-pc-elf/lib -La:/proton/x86_64-pc-elf/b
in/../lib/gcc/x86_64-pc-elf/4.8.1 -La:/proton/x86_64-pc-elf/bin/../lib/gcc -La:/
proton/x86_64-pc-elf/bin/../lib/gcc/x86_64-pc-elf/4.8.1/../../../../x86_64-pc-el
f/lib test.o -lc -lm -lgcc
a:/proton/x86_64-pc-elf/bin/../lib/gcc/x86_64-pc-elf/4.8.1/../../../../x86_64-pc
-elf/bin/ld.exe: warning: cannot find entry symbol _start; defaulting to 0000000
0004000f0
a:/Proton/x86_64-pc-elf/x86_64-pc-elf/lib\libc.a(lib_a-sbrkr.o): In function `_s
brk_r':
A:\MinGW\msys\1.0\src\build-newlib\x86_64-pc-elf\newlib\libc\reent/../../../../.
./newlib-2.0.0/newlib/libc/reent/sbrkr.c:58: undefined reference to `sbrk'
a:/Proton/x86_64-pc-elf/x86_64-pc-elf/lib\libc.a(lib_a-writer.o): In function `_
write_r':
A:\MinGW\msys\1.0\src\build-newlib\x86_64-pc-elf\newlib\libc\reent/../../../../.
./newlib-2.0.0/newlib/libc/reent/writer.c:58: undefined reference to `write'
a:/Proton/x86_64-pc-elf/x86_64-pc-elf/lib\libc.a(lib_a-closer.o): In function `_
close_r':
A:\MinGW\msys\1.0\src\build-newlib\x86_64-pc-elf\newlib\libc\reent/../../../../.
./newlib-2.0.0/newlib/libc/reent/closer.c:53: undefined reference to `close'
a:/Proton/x86_64-pc-elf/x86_64-pc-elf/lib\libc.a(lib_a-fstatr.o): In function `_
fstat_r':
A:\MinGW\msys\1.0\src\build-newlib\x86_64-pc-elf\newlib\libc\reent/../../../../.
./newlib-2.0.0/newlib/libc/reent/fstatr.c:62: undefined reference to `fstat'
a:/Proton/x86_64-pc-elf/x86_64-pc-elf/lib\libc.a(lib_a-isattyr.o): In function `
_isatty_r':
A:\MinGW\msys\1.0\src\build-newlib\x86_64-pc-elf\newlib\libc\reent/../../../../.
./newlib-2.0.0/newlib/libc/reent/isattyr.c:58: undefined reference to `isatty'
a:/Proton/x86_64-pc-elf/x86_64-pc-elf/lib\libc.a(lib_a-lseekr.o): In function `_
lseek_r':
A:\MinGW\msys\1.0\src\build-newlib\x86_64-pc-elf\newlib\libc\reent/../../../../.
./newlib-2.0.0/newlib/libc/reent/lseekr.c:58: undefined reference to `lseek'
a:/Proton/x86_64-pc-elf/x86_64-pc-elf/lib\libc.a(lib_a-readr.o): In function `_r
ead_r':
A:\MinGW\msys\1.0\src\build-newlib\x86_64-pc-elf\newlib\libc\reent/../../../../.
./newlib-2.0.0/newlib/libc/reent/readr.c:58: undefined reference to `read'
collect2.exe: error: ld returned 1 exit status