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Saturday, November 5, 2022

[FIXED] How can I add a default include path for GCC in Linux?

 November 05, 2022     environment-variables, gcc, include, linux     No comments   

Issue

I'd like GCC to include files from $HOME/include in addition to the usual include directories, but there doesn't seem to be an analogue to $LD_LIBRARY_PATH.

I know I can just add the include directory at command line when compiling (or in the makefile), but I'd really like a universal approach here, as in the library case.


Solution

Try setting C_INCLUDE_PATH (for C header files) or CPLUS_INCLUDE_PATH (for C++ header files).

As Ciro mentioned, CPATH will set the path for both C and C++ (and any other language).

More details in GCC's documentation.



Answered By - jcrossley3
Answer Checked By - Katrina (PHPFixing Volunteer)
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