don't compile Mac OS

[badmonstr]

src badmonstr$ sudo make -v
Password:
GNU Make 3.81
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.

This program built for i386-apple-darwin11.3.0

[badmonstr]

MacBook-Air-badmonstr:src badmonstr$ make
rm -f ../bin/*
rm -f *.bin *.exe
cc -Wall -W -pipe -O2 -std=gnu99 -o cap2hccapx.bin cap2hccapx.c
ld: can't open output file for writing: cap2hccapx.bin, errno=13 for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [native] Error 1