Provide override for standard headers in C++ #448
Merged
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Using Cxx on a system like Gentoo or some supercomputers with multiple
compilers installed in non-standard locations will result in Cxx not finding
the standard library. This change allows users to specify where to find
the system includes in a way that doesn't requiring forking Cxx to make
these changes. Since these systems are inherently non-standard, these
changes are unlikely to be fixed with a change to
CollectLinuxHeaderPaths!
so providing anoverride is better.
This patch is an updated version of pull request #324 and #283 which no longer
compile with the current version of Cxx. It also serves as a solution to the issue
raised #315 that doesn't require a solution like VPetukhov suggested which
essentially forks Cxx for every user with these nonstandard locations.