Move the compiler-selecting methods to ENV/shared

Closes #30210.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Use Pathname#split
Use a more descriptive variable name
osh: V6 Thompson Shell Port
osh: add 20140410 bottle.

Closes #30123.

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

Formula that use this do not load anymore.
leveldb: fix shared lib install name

Since we're renaming this library manually, we need to adjust the
install name accordingly, otherwise we will end up with an install name
of "libleveldb.dylib.1" instead of "libleveldb.1.dylib".

Fixes #30378.
leveldb: update 1.15.0 bottle.
goaccess 0.8.1
goaccess: update 0.8.1 bottle.

Closes #30374.
metaproxy 1.5.5
metaproxy: update 1.5.5 bottle.

Closes #30375.
antlr 4.3
cfitsio 3.370
ExifTool 9.65
glm 0.9.5.4
httpry 0.1.8
iso-codes 3.54
lcdf-typetools 2.101
libfixbuf 1.5.0