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nixpkgs/pkgs/applications/science/math/gap/default.nix

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{ stdenv
, lib
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, fetchurl
, fetchpatch
, makeWrapper
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, m4
, gmp
# one of
# - "minimal" (~400M):
# Install the bare minimum of packages required by gap to start.
# This is likely to break a lot of stuff. Do not expect upstream support with
# this configuration.
# - "standard" (~700M):
# Install the "standard packages" which gap autoloads by default. These
# packages are effectively considered a part of gap.
# - "full" (~1.7G):
# Install all available packages. This takes a lot of space.
, packageSet ? "standard"
# Kept for backwards compatibility. Overrides packageSet to "full".
, keepAllPackages ? false
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}:
let
# packages absolutely required for gap to start
# `*` represents the version where applicable
requiredPackages = [
"GAPDoc-*"
"primgrp-*"
"SmallGrp-*"
"transgrp"
];
# packages autoloaded by default if available
autoloadedPackages = [
"atlasrep"
"autpgrp-*"
"alnuth-*"
"crisp-*"
"ctbllib"
"FactInt-*"
"fga"
"irredsol-*"
"laguna-*"
"polenta-*"
"polycyclic-*"
"resclasses-*"
"sophus-*"
"tomlib-*"
];
keepAll = keepAllPackages || (packageSet == "full");
packagesToKeep = requiredPackages ++ lib.optionals (packageSet == "standard") autoloadedPackages;
# Generate bash script that removes all packages from the `pkg` subdirectory
# that are not on the whitelist. The whitelist consists of strings expected by
# `find`'s `-name`.
removeNonWhitelistedPkgs = whitelist: ''
find pkg -type d -maxdepth 1 -mindepth 1 \
'' + (lib.concatStringsSep "\n" (map (str: "-not -name '${str}' \\") whitelist)) + ''
-exec echo "Removing package {}" \; \
-exec rm -r '{}' \;
'';
in
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stdenv.mkDerivation rec {
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pname = "gap";
# https://www.gap-system.org/Releases/
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version = "4.10.1";
src = fetchurl {
url = "https://www.gap-system.org/pub/gap/gap-${lib.versions.major version}.${lib.versions.minor version}/tar.bz2/gap-${version}.tar.bz2";
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sha256 = "136s0zvhcw41fshj5zgsrjcy2kd58cdh2m3ddp5rdizi4rx54f10";
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};
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# remove all non-essential packages (which take up a lot of space)
preConfigure = lib.optionalString (!keepAll) (removeNonWhitelistedPkgs packagesToKeep) + ''
patchShebangs .
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'';
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configureFlags = [ "--with-gmp=system" ];
buildInputs = [
m4
gmp
];
nativeBuildInputs = [
makeWrapper
];
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patches = [
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# https://github.com/gap-system/gap/pull/3294
(fetchpatch {
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name = "add-make-install-targets.patch";
url = "https://github.com/gap-system/gap/commit/3361c172e6c5ff3bb3f01ba9d6f1dd4ad42cea80.patch";
sha256 = "1kwp9qnfvmlbpf1c3rs6j5m2jz22rj7a4hb5x1gj9vkpiyn5pdyj";
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})
];
# "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";
doInstallCheck = true;
installCheckTarget = "testinstall";
preInstallCheck = ''
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# gap tests check that the home directory exists
export HOME="$TMP/gap-home"
mkdir -p "$HOME"
# make sure gap is in PATH
export PATH="$out/bin:$PATH"
# make sure we don't accidentally use the wrong gap binary
rm -r bin
# like the defaults the Makefile, but use gap from PATH instead of the
# one from builddir
installCheckFlagsArray+=(
"TESTGAP=gap --quitonbreak -b -m 100m -o 1g -q -x 80 -r -A"
"TESTGAPauto=gap --quitonbreak -b -m 100m -o 1g -q -x 80 -r"
)
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'';
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
'';
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postBuild = ''
pushd pkg
bash ../bin/BuildPackages.sh
popd
'';
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installTargets = [
"install-libgap"
"install-headers"
];
# full `make install` is not yet implemented, just for libgap and headers
postInstall = ''
# Install config.h, which is not currently handled by `make install-headers`
cp gen/config.h "$out/include/gap"
mkdir -p "$out/bin" "$out/share/gap/"
mkdir -p "$out/share/gap"
echo "Copying files to target directory"
cp -ar . "$out/share/gap/build-dir"
makeWrapper "$out/share/gap/build-dir/bin/gap.sh" "$out/bin/gap" \
--set GAP_DIR $out/share/gap/build-dir
'';
preFixup = ''
# patchelf won't strip references to the build dir if it still exists
rm -rf pkg
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'';
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meta = with lib; {
description = "Computational discrete algebra system";
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maintainers = with maintainers;
[
raskin
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chrisjefferson
timokau
];
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platforms = platforms.all;
broken = stdenv.isDarwin;
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# 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 = lib.optionals (!keepAllPackages) meta.platforms;
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license = licenses.gpl2;
homepage = http://gap-system.org/;
};
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}