I just uploaded a x86_64-pc-cygwin target cross-toolchain for the i686
distro together with ~70 sysrooted libraries. All packages are named
with a cygwin64- prefix and are under the Devel category.
In order to use this toolchain, install at least
cygwin64-gcc-{core,g++}, as well as the *TEST* versions of the following
libraries: libcloog-isl4, libgmp10, libisl10, libmpc3, libmpfr4, plus
all indicated dependencies. Then, you can use cygport --64 to (try to)
cross-compile your package. Note that not all source packages can be
cross-compiled, and some may require changes to your cygport(3), the
build system, and/or the code in order to (cross-)compile correctly for
x86_64-cygwin.
The following libraries are also available for the toolchain:
bzip2, catgets, cloog-isl, cloog-ppl, crypt, db, e2fsprogs
(libcom_err/libss/etc.), expat, fontconfig, freetype2, gdbm, gettext,
gmp, gnutls, isl, libarchive, libbfd, libblkid, libedit, libffi,
libfontenc, libgcrypt, libgpg-error, libICE, libiconv, libmagic, libmpc,
libSM, libssh2, libtasn1, libtool, libuuid, libX11, libXau, libXaw,
libxcb, libXcomposite, libXdamage, libXdmcp, libXext, libXfixes, libXft,
libXi, libxml2, libXmu, libXpm, libXrender, libxslt, libXss, libXt,
lzo2, mpfr, ncurses, nettle, openssl, pcre, pixman, popt, ppl, python,
readline, sqlite3, tcl, tk, xcb-util, xcb-util-image, xcb-util-wm, zlib.
If you encounter any issues with this toolchain, or need particular
libraries to be added, please let me know here. Also, if any native
library maintainers want to take over their corresponding
cross-libraries as well, just let me know; sources, as always, are in
Ports git.
Yaakov