superenv: fix cpp shim

This sets cpp to use the compiler as cpp, and works with scripts which
pass values to cpp on stdin as well as with file arguments.

Closes #22155.
Revert "superenv: fix cpp shim"

This reverts commit dca89db55189a34f1c02d3f12a84eda8d81fd6d1.
vcsh: Add zsh completion.

Closes #22150.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
wy60 2.0.9

Wyse 60 compatible terminal emulator

Closes #22130.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
sdl2_mixer 2.0.0

Closes #21885.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
minc: revert to 2.1.13

2.2.20 doesn't build on OS X, known upstream

Closes #22152.
sundials: --enable-shared

Closes #22052.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
fossil: add json and tcl options

Closes #22020.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>