nixpkgs/pkgs/applications/science/logic/twelf/default.nix

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{ stdenv, fetchurl, pkgconfig, smlnj, rsync }:
stdenv.mkDerivation rec {
name = "twelf-${version}";
version = "1.7.1";
src = fetchurl {
url = "//twelf.plparty.org/releases/twelf-src-1.7.1.tar.gz";
sha256 = "0fi1kbs9hrdrm1x4k13angpjasxlyd1gc3ys8ah54i75qbcd9c4i";
};
buildInputs = [ pkgconfig smlnj rsync ];
buildPhase = ''
export SMLNJ_HOME=${smlnj}
make smlnj
'';
installPhase = ''
ensureDir $out/bin
rsync -av bin/* $out/bin/
ensureDir $out/share/emacs/site-lisp/twelf/
rsync -av emacs/ $out/share/emacs/site-lisp/twelf/
ensureDir $out/share/twelf/examples
rsync -av examples/ $out/share/twelf/examples/
ensureDir $out/share/twelf/vim
rsync -av vim/ $out/share/twelf/vim/
'';
meta = {
description = "Twelf logic proof assistant";
longDescription = ''
Twelf is a language used to specify, implement, and prove properties of
deductive systems such as programming languages and logics. Large
research projects using Twelf include the TALT typed assembly language,
a foundational proof-carrying-code system, and a type safety proof for
Standard ML.
'';
homepage = http://twelf.org/wiki/Main_Page;
license = "MIT";
maintainers = with stdenv.lib.maintainers; [ jwiegley ];
platforms = stdenv.lib.platforms.unix;
};
}