dependencies - Homebrew: `brew uses --installed gcc` does not give any result -



dependencies - Homebrew: `brew uses --installed gcc` does not give any result -

i want list of installed packages depend on gcc (installed homebrew). when try:

brew uses --installed gcc

it gives no result. , if check e.g. r's dependencies brew deps r, returns gcc (among others). assume brew uses should @ to the lowest degree homecoming value r.

did encounter similar problem , shed lite on this?

this not authoritative answer, appears me because r depends on :fortran, kind of virtual dependency can resolved in different ways. brew deps answers question, need install before installing formula. , in case decides installing gcc way satisfy :fortran requirement. reverse apparently not supported: doesn't know looking @ gcc can used resolve virtual dependency :fortran. plausible if 1 considers way virtual dependencies implemented in homebrew. usually, looks around in file scheme see if required binary available (including ones supplied outside of homebrew), doesn't found formula dependency link 1 time finds candidate.

(in fact, case might more complex. if @ brew deps r --tree, see dependency on :gcc, level of virtual dependency.)

although not straight related question, note deps default recursive uses not. in order symmetric picture, you'd need utilize deps -1 or uses --recursive.

gcc dependencies homebrew uses

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