I found that developer tools are not as readily available as others. In El Capitan, in the terminal, I just used gcc -v, then he said gcc was not available and asked if I want to install the Apple Developer Tools command line. No Xcode download required. Terminal session below:
Pauls-MBP:~ paulhillman$ gcc -v xcode-select: note: no developer tools were found at '/Applications/Xcode.app', requesting install. Choose an option in the dialog to download the command line developer tools. Pauls-MBP:~ paulhillman$ gcc -v Configured with:
phillman5 Nov 30 '16 at 3:42 on 2016-11-30 03:42
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