* Makefile.in: Change method for compressing cygwin1.dll to avoid creating a
cygwin1.dll in the current directory. Ensure the addition of -nostdinc to
MINGW_CFLAGS.
* Makefile.in: Eliminate traces of cygwinisms. Don't link with libmsvcrt.a.
It's unneeded. Build .rc file on the fly from various sources.
* configure.in: Locate correct objcopy.
* configure: Regenerate.
* configure.in: New file.
* configure: New file.
* zlib/Makefile.am: New file.
* zlib/configure.in: New file.
* zlib/aclocal.m4: New file.
* zlib/acinclude.m4: New file.
* zlib/configure: Regenerate from configure.in.
* zlib/Makefile.in: Regenerate from Makefile.am