======
Newlib
======

http://sources.redhat.com/newlib/

Syscalls.c
----------
Implements the needed functions needed to link against newlib libs. See
http://www.yagarto.de/download/yagarto/syscalls.c


Build Error
-----------
Causes the following build error::

    c:/program files/yagarto/bin/../lib/gcc/arm-elf/4.4.1/../../../../arm-elf/lib\libc.a(lib_a-freer.o): In function `_malloc_trim_r':
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdlib/../../../../../newlib-1.17.0/newlib/libc/stdlib/mallocr.c:3326: undefined reference to `_sbrk_r'
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdlib/../../../../../newlib-1.17.0/newlib/libc/stdlib/mallocr.c:3335: undefined reference to `_sbrk_r'
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdlib/../../../../../newlib-1.17.0/newlib/libc/stdlib/mallocr.c:3340: undefined reference to `_sbrk_r'
    c:/program files/yagarto/bin/../lib/gcc/arm-elf/4.4.1/../../../../arm-elf/lib\libc.a(lib_a-makebuf.o): In function `__smakebuf_r':
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdio/../../../../../newlib-1.17.0/newlib/libc/stdio/makebuf.c:59: undefined reference to `_fstat_r'
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdio/../../../../../newlib-1.17.0/newlib/libc/stdio/makebuf.c:110: undefined reference to `_isatty_r'
    c:/program files/yagarto/bin/../lib/gcc/arm-elf/4.4.1/../../../../arm-elf/lib\libc.a(lib_a-mallocr.o): In function `malloc_extend_top':
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdlib/../../../../../newlib-1.17.0/newlib/libc/stdlib/mallocr.c:2160: undefined reference to `_sbrk_r'
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdlib/../../../../../newlib-1.17.0/newlib/libc/stdlib/mallocr.c:2197: undefined reference to `_sbrk_r'
    c:/program files/yagarto/bin/../lib/gcc/arm-elf/4.4.1/../../../../arm-elf/lib\libc.a(lib_a-stdio.o): In function `__sclose':
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdio/../../../../../newlib-1.17.0/newlib/libc/stdio/stdio.c:124: undefined reference to `_close_r'
    c:/program files/yagarto/bin/../lib/gcc/arm-elf/4.4.1/../../../../arm-elf/lib\libc.a(lib_a-stdio.o): In function `__sseek':
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdio/../../../../../newlib-1.17.0/newlib/libc/stdio/stdio.c:106: undefined reference to `_lseek_r'
    c:/program files/yagarto/bin/../lib/gcc/arm-elf/4.4.1/../../../../arm-elf/lib\libc.a(lib_a-stdio.o): In function `__swrite':
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdio/../../../../../newlib-1.17.0/newlib/libc/stdio/stdio.c:78: undefined reference to `_lseek_r'
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdio/../../../../../newlib-1.17.0/newlib/libc/stdio/stdio.c:86: undefined reference to `_write_r'
    c:/program files/yagarto/bin/../lib/gcc/arm-elf/4.4.1/../../../../arm-elf/lib\libc.a(lib_a-stdio.o): In function `__sread':
    C:\msys\1.0\home\yagarto\newlib-build\arm-elf\newlib\libc\stdio/../../../../../newlib-1.17.0/newlib/libc/stdio/stdio.c:48: undefined reference to `_read_r'
    collect2: ld returned 1 exit status
    make: *** [LPC2378STK.elf] Error 1
    make: Target `all' not remade because of errors.


2 Options for fixing it
-----------------------
1. Revert to previous version of the tools

or 

2. Add syscalls.c to the build