* nongnu/packages/steam-client.scm: Update copyright.
(glibc-for-fhs, steam-ld.so.conf, steam-ld.so.cache): New variables.
(ld.so.conf->ld.so.cache, package->ld.so.conf): New functions.
(steam-client): Update to version 1.0.0.74.
Remove configure phase and add patch-makefile phase.
Remove use of LD_LIBRARY_PATH in wrap-program.
(fhs-min-libs, steam-client-libs): Update inputs for glibc-for-fhs and proton.
(make-container-wrapper): Add preserved vars for pressure vessel and debugging.
Expose paths to container for controller input and Valve Index.
(make-internal-script):
New container symlinks for ld.so.cache, ld.so.conf, and /etc/fonts.
(steam, steam-nvidia): Update run field.
Signed-off-by: ison <ison@airmail.cc>
c80b1b3f1f