cc/gcc programming - where are the includes?

Christoph Kukulies kuku at
Wed Dec 19 11:21:38 UTC 2018

Thanks. I have Xcode installed and I’m developing an App presently. I need to run a small server on my mac as well and I thought the best would be to run it in a terminal and compile it with a C-compiler of choice. Need not to be gcc. Just the default one. And thanks Ruben for the tip using the CPATH variable.


> Am 19.12.2018 um 11:48 schrieb Chris Jones <jonesc at>:
> Hi,
> First things first. Do you really need GCC ? The primary compilers in macOS are now based on clang, and I recommend you use these instead of GCC for a number of reasons. To have access to these you need to make sure you have Xcode etc. installed. see
> For details related to using these compilers with MacPorts.
> Chris
> On 19/12/2018 8:32 am, Christoph Kukulies wrote:
>> Does it require a special package to be installed when one wants to develop under cc or gcc in macOS?
>> I was writing a little C program starting with
>> #include <sys/types.h>
>> and the compiler doesn’t find anything (what I would be normally under /usr/include
>>>> Christoph

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