Added new README.

README

@@ -1,6 +1,23 @@
-An evolving effort to automate generation of a XOmB toolchain and crosscompiler.
+This script will build general buildtools for a 64 bit elf target. It will compile:
 
-currently dies during the second GCC phase with the bizarre error:
+binutils (ld, bfd, gas)
-"/home/wolfwood/repos/buildtools/build/gcc-obj/./gcc/include-fixed/time.h:12: error: conflicting types for 'clock_t'
+gmp
-/home/wolfwood/repos/buildtools/local/x86_64-pc-xomb/include/sys/types.h:104: note: previous declaration of 'clock_t' was here
+mpfr
-"
+gcc (gcc, g++)
+newlib
+
+USAGE:
+
+To use this, add OS specific hooks to newlib, edit build.sh line 1 and give the name of the os target, and run
+
+./build.sh
+
+This will build the tools in the 'local' directory.
+
+FEATURES:
+
+1. Will compile a complete C and C++ toolchain.
+
+BUGS:
+
+1. Does not compile fortran target.