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{ stdenv
, fetchurl
, fetchpatch
, m4
, gmp
# don't remove any packages -- results in a ~1.3G size increase
# see https://github.com/NixOS/nixpkgs/pull/38754 for a discussion
, keepAllPackages ? true
}:
stdenv.mkDerivation rec {
pname = "gap";
# https://www.gap-system.org/Releases/
# newer versions (4.9.0) are available, but still considered beta (https://github.com/gap-system/gap/wiki/GAP-4.9-release-notes)
version = "4r8p10";
pkgVer = "2018_01_15-13_02";
name = "${pname}-${version}";
src = let
# 4r8p10 -> 48
majorminor = stdenv.lib.replaceStrings ["r"] [""] (
builtins.head (stdenv.lib.splitString "p" version) # 4r8p10 -> 4r8
);
in
fetchurl {
url = "https://www.gap-system.org/pub/gap/gap${majorminor}/tar.bz2/gap${version}_${pkgVer}.tar.bz2";
sha256 = "0wzfdjnn6sfiaizbk5c7x44rhbfayis4lf57qbqqg84c7dqlwr6f";
};
# remove all non-essential packages (which take up a lot of space)
preConfigure = stdenv.lib.optionalString (!keepAllPackages) ''
find pkg -type d -maxdepth 1 -mindepth 1 \
-not -name 'GAPDoc-*' \
-not -name 'autpgrp*' \
-exec echo "Removing package {}" \; \
-exec rm -r {} \;
'';
configureFlags = [ "--with-gmp=system" ];
buildInputs = [ m4 gmp ];
patches = [
# fix infinite loop in writeandcheck() when writing an error message fails.
(fetchpatch {
url = "https://git.sagemath.org/sage.git/plain/build/pkgs/gap/patches/writeandcheck.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
sha256 = "1r1511x4kc2i2mbdq1b61rb6p3misvkf1v5qy3z6fmn6vqwziaz1";
})
];
doCheck = true;
checkTarget = "testinstall";
# "teststandard" is a superset of testinstall. It takes ~1h instead of ~1min.
# tests are run twice, once with all packages loaded and once without
# checkTarget = "teststandard";
preCheck = ''
# gap tests check that the home directory exists
export HOME="$TMP/gap-home"
mkdir -p "$HOME"
'';
postCheck = ''
# The testsuite doesn't exit with a non-zero exit code on failure.
# It leaves its logs in dev/log however.
# grep for error messages
if grep ^##### dev/log/*; then
exit 1
fi
'';
postBuild = ''
pushd pkg
bash ../bin/BuildPackages.sh
popd
'';
installPhase = ''
mkdir -p "$out/bin" "$out/share/gap/"
cp -r . "$out/share/gap/build-dir"
sed -e "/GAP_DIR=/aGAP_DIR='$out/share/gap/build-dir/'" -i "$out/share/gap/build-dir/bin/gap.sh"
ln -s "$out/share/gap/build-dir/bin/gap.sh" "$out/bin/gap"
'';
meta = with stdenv.lib; {
description = "Computational discrete algebra system";
maintainers = with maintainers;
[
raskin
chrisjefferson
];
platforms = platforms.all;
# keeping all packages increases the package size considerably, wchich
# is why a local build is preferable in that situation. The timeframe
# is reasonable and that way the binary cache doesn't get overloaded.
hydraPlatforms = stdenv.lib.optionals (!keepAllPackages) platforms;
license = licenses.gpl2;
homepage = http://gap-system.org/;
};
}
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