Randy Zwitch • 12/31/2015

21st Century C: Error 64 on OSX When Using Make

This article documents a specific error ('c99: invalid argument 'all' to -W Error 64') encountered on OSX while working through the '21st Century C' book. It provides three practical solutions: implementing the book's suggested workaround, modifying the Makefile to use 'cc', or switching the compiler to Clang. It's a technical troubleshooting guide for C developers on macOS.

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#debugging #compiler #c