[tlbuild] build info updates

[Ken Brown]

On 3/1/2021 6:14 PM, Karl Berry wrote:
> Hi again. Now that we've been through a round of builds, I'd like to
> update the build information for the various platforms, i.e., any
> options you're giving to ./Build or however else you're creating these
> things. Aside from contextgarden, github, mac, which are online.

> i386-cygwin, x86_64-cygwin: gcc-4.8.2, cygwin-1.7.29.
>    ./Build (with --enable-xindy for i386).

i386-cygwin, x86_64-cygwin: gcc-10.2.0, cygwin-3.1.7.

TL_CONFIGURE_ARGS="--enable-xindy --enable-shared CLISP=/path/to/clisp.exe 
LDFLAGS='-Wl,--no-insert-timestamp -Wl,--stack,0x800000'" ./Build