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[](http://hackage.haskell.org/package/cpphs)
[](https://www.stackage.org/package/cpphs)
[](https://stackage.org/nightly/package/cpphs)
[](https://github.com/haskell-pkg-janitors/cpphs/actions)
cpphs
=====
A liberalised re-implementation of `cpp`, the C pre-processor.
`cpphs` is a re-implementation of the C pre-processor that is both more compatible with Haskell,
and itself written in Haskell so that it can be distributed with compilers.
This version of the C pre-processor is pretty-much feature-complete and compatible with traditional (K&R) pre-processors.
Additional features include: a plain-text mode; an option to unlit literate code files; and an option to turn off macro-expansion.
Usage
-----
cpphs [filename | -Dsym | -Dsym=val | -Ipath]+ [-Ofile]
[ --include=file ]*
[ --nomacro | --noline | --nowarn | --strip | --strip-eol |
--pragma | --text | --hashes | --layout | --unlit |
--linepragma ]*
[ --cpp compatopts ]
For fuller details, see [docs/index.html](docs/index.html).
If you want to use `cpphs` as a completely drop-in replacement for the
real cpp, that is, to accept the same arguments, and have broadly
the same behaviour in response to them, then use the `--cpp` compatibility
option.
Copyright
---------
(c) 2004-2017 Malcolm Wallace (Malcolm.Wallace@me.com)
Licence
-------
These library modules are distributed under the terms of the LGPL.
The application module `cpphs.hs` is GPL.
This software comes with no warranty. Use at your own risk.
If you have a commercial use for cpphs, and feel the terms of the (L)GPL
are too onerous, you have the option of distributing unmodified binaries
(only, not sources) under the terms of a different licence (see
LICENCE-commercial).
Website
-------
Description see: https://hackage.haskell.org/package/cpphs
Old homepage: https://archives.haskell.org/projects.haskell.org/cpphs/
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