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So, I'm trying to compile Ardour, on my 64-bit Mac (OS X 10.8.5), but it can't find some header files. The header files are located in /opt/local/include, which doesn't show up in gcc's list of search paths, as returned by gcc -x c++ -v -E /dev/null.

I've read How do I add a directory to C header include path?, and tried setting C_INCLUDE_PATH=/opt/local/include, but nothing's changed - gcc still doesn't list it as an include path. (I also tried CPP_INCLUDE_PATH, just in case - no dice.) I can't (reasonably) add a command line option to specifically include that directory, since the project uses a config script. Any ideas?

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Erhannis
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  • Possible duplicate of [How to add a default include path for gcc in linux?](https://stackoverflow.com/questions/558803/how-to-add-a-default-include-path-for-gcc-in-linux) – gobernador Aug 10 '17 at 14:14

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Typically for C++ it should be:

CPLUS_INCLUDE_PATH=/opt/local/include 
export CPLUS_INCLUDE_PATH

You can also set that in your .bash_profile for future use.

l'L'l
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