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Return the default R-configured C compiler (possibly with flags)

Source: R/parse-headers.R
r_cc.Rd

This function queries common places to find the C compiler used by R. It checks Sys.getenv("CC"), then R CMD config CC, and finally cc on PATH. The returned value may include flags (e.g., 'gcc -std=...').

Usage

r_cc()

Value

Character scalar with compiler program (or empty string).