Commits
Brian Gesiak committed b8f7254151d
Revert "[gardening] Remove unused code."
This reverts commit 141f68a0ba7c931c9ce475a30fd0354a9ab80515.
Although it appears as if the code is unused, in reality this variable
must be set in order to be referenced elsewhere as
`${SWIFT_SDK_${CFLAGS_SDK}_PATH}`.