Carl Dong 880660acfa depends: Fully determine path for darwin_{CC,CXX}
Instead of doing the awkward /bin path prepending at config.site
creation time, set darwin_{CC,CXX} in a way that fully determines the
program's path (clang/clang++) similar to how AC_PATH_{TOOL,PROG} would
do.

Also see the added comment block in depends/Makefile for more context on
determining $PATH for our config.site.
2021-01-07 14:22:36 -05:00
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