gcc on iMac running Sierra

[Jonathan Wakely]

On 27 December 2016 at 19:12, Richard Phillips wrote:
> The make to do gcc build fails looking for /usr/include. That file directory does not exist in
> in latest Mac OS(10.12.2). Guess it’s looking for /usr/local/include, since that’s where gimp, mac, and mpfr
> were placed. The installation went smoothly on an ubuntu linux system.

Looking in /usr/include is done by default, and is correct. To build
on Mac OS you need to install the C library headers into /usr/include
by installing the Xcode "Command Line Tools" package.