#13348: Set CPATH in sage-env
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Reporter: jdemeyer | Owner: GeorgSWeber
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.4
Component: build | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Jeroen Demeyer | Merged in:
Dependencies: | Stopgaps:
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Description changed by jdemeyer:
Old description:
> Since we're setting `LIBRARY_PATH` in `sage-env` (which is the ''compile-
> time'' equivalent of `LD_LIBRARY_PATH`, corresponding to the compiler
> flag `-L`), we should analogously set `CPATH` to `SAGE_LOCAL/include`
> (corresponding to the compiler flag `-I`).
>
> Within Sage, `SAGE_LOCAL` effectively acts as installation prefix, so
> this is the logical thing to do. A GCC compiled within Sage will already
> look at `SAGE_LOCAL/include` by default.
New description:
Since we're setting `LIBRARY_PATH` in `sage-env` (which is the ''compile-
time'' equivalent of `LD_LIBRARY_PATH`, corresponding to the compiler flag
`-L`), we should analogously set `CPATH` to `SAGE_LOCAL/include`
(corresponding to the compiler flag `-I`).
Within Sage, `SAGE_LOCAL` effectively acts as installation prefix, so this
is the logical thing to do. A GCC compiled within Sage will already look
at `SAGE_LOCAL/include` by default.
This doesn't immediately change anything, but it will allow simplifying
many `spkg-install` files by not having to care about
`-I$SAGE_LOCAL/include` anymore.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13348#comment:4>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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