Newlib compilation

[Ian Collins <ian at kiwiplan dot co dot nz>]

Why can't I get newlib (from the ftp.cygnus.com/pub/gnuwin32/latest
cdk-src.tar) to compile?
I am trying to create a cygwin.dll, and it appears that newlib is a
dependant of winsup so tries to make it.

So far, while trying to make winsup (using make all-target-winsup in src
directory), all of my problems have been with making newlib. These are,

1. No configure file in newlib directory (so I downloaded newlib-1.8.0
from ftp.cygnus.com and stole it from there. The src makefile was then
able to create the newlib makefiles and continue).

2. limits.h wouldn't compile (this was documented as a problem in the
mailing list, which I overcame).

3. src/newlib/libc/stdlib/mallocr.c couldn't find <sys/mman.h> (Looking
through mallocr.c, I noticed that this wasn't supported in WIN32, so I
commented it out).

4. mallocr.c still won't compile as sbrk is multiply defined.

At this point, I thought that I'd ask. What have I done wrong? Surely
others have managed to get newlib to compile from latest/cdk-src.tar (or
have they?). Am I missing something intrinsic here?

I extracted the cdk-src file,

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