SPS Linux live ISOs (Splux, 2026-09-01-4)

SPS Linux live images for 2026-09-01-4.

Use these instead of -3.

-3 died in setup while installing OpenSSL: make install ran pod2man,
which the live disc did not have. openssl 4.0.2-2 now uses no-docs and
install_sw, and puts libraries in lib64. pod2man is seeded on the disc
anyway.

This set also makes setup and SPS treat more than systemd and OpenRC as
PID 1, and writes compiler flags before the first sget:

• sps.conf: makejobs auto, rest-of-line cflags/cxxflags, march native
• setup writes /etc/sps/sps.conf before package builds
• --init systemd|openrc|s6|runit|dinit|shepherd
• stock service scripts under lib/setup/sv; pkin enables them for the
  init recorded in /etc/sps/init
• extra: init-s6, init-runit, init-dinit, init-shepherd plus Guile for
  Shepherd

Assets:

• sps-live-tty.iso - console live image with recipes and a compiler
• sps-live-tty-slim.iso - small console image; setup needs the network
• sps-live-plasma.iso - Plasma/Wayland live session (Konsole -> setup)

Checksums are in SHA256SUMS.

d94d23ade5a97af11e22cfa2921f8cb7a843f56ba86a1687a353d2f476ee3611  sps-live-tty.iso
6dfd582e40e82ed37dbfc8c18ad18a7fcf420522a059b02d583e0b483032d05c  sps-live-tty-slim.iso
e8eb5653b83e64da2c4a986a9ba2dff0fd8f41cf6af0e6b33d16d6ada46ba913  sps-live-plasma.iso

Flash the tty image for a source install. Slim has no gcc.