Remove unnecessary memoization from FormulaInstaller#build_argv
Reduce the number of ways options can be passed to the installer
Let commands decide what mode the installer should use
Fix typo
libpng 1.5.18
sbcl: 1.1.16 and a more rigorous test

Closes #27132.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
add check for /Library Python

Closes #24788.
pocl 0.9 Added patch that fixes one invalid check in configure.

Wrongly recognized build mode of llvm in addition to optimization level -Os caused some invalid functionality. More details in https://github.com/pocl/pocl/issues/59.
pocl 0.9: fixed patch to be before install.
pocl: add 0.9 bottle.