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111 lines
4.1 KiB
Nix
111 lines
4.1 KiB
Nix
{
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stdenv,
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lib,
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fetchFromGitHub,
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fetchpatch2,
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fetchurl,
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}:
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# This file is responsible for fetching the sage source and adding necessary patches.
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# It does not actually build anything, it just copies the patched sources to $out.
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# This is done because multiple derivations rely on these sources and they should
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# all get the same sources with the same patches applied.
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stdenv.mkDerivation rec {
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version = "10.7";
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pname = "sage-src";
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src = fetchFromGitHub {
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owner = "sagemath";
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repo = "sage";
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rev = version;
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hash = "sha256-nYlBmKQ9TD5EAVvNwo8YzqAd5IUCpTU3kBTqUH21IxQ=";
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};
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# contains essential files (e.g., setup.cfg) generated by the bootstrap script.
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# TODO: investigate https://github.com/sagemath/sage/pull/35950
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configure-src = fetchurl {
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# the hash below is the tagged commit's _parent_. it can also be found by looking for
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# the "configure" asset at https://github.com/sagemath/sage/releases/tag/${version}
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url = "mirror://sageupstream/configure/configure-858268b40010e5ed6da13488ad0f52cda4d1f70e.tar.gz";
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hash = "sha256-TsVX+wUWr+keCXmGQp1OHGXgNc7luajyGxfTwduSEtc=";
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};
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# Patches needed because of particularities of nix or the way this is packaged.
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# The goal is to upstream all of them and get rid of this list.
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nixPatches = [
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# Parallelize docubuild using subprocesses, fixing an isolation issue. See
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# https://groups.google.com/forum/#!topic/sage-packaging/YGOm8tkADrE
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./patches/sphinx-docbuild-subprocesses.patch
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# After updating smypow to (https://github.com/sagemath/sage/issues/3360)
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# we can now set the cache dir to be within the .sage directory. This is
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# not strictly necessary, but keeps us from littering in the user's HOME.
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./patches/sympow-cache.patch
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]
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++ lib.optionals (stdenv.cc.isClang) [
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# https://github.com/NixOS/nixpkgs/pull/264126
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# Dead links in python sysconfig cause LLVM linker warnings, leading to cython doctest failures.
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./patches/silence-linker.patch
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# Stack overflows during doctests; this does not change functionality.
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./patches/disable-singular-doctest.patch
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];
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# Since sage unfortunately does not release bugfix releases, packagers must
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# fix those bugs themselves. This is for critical bugfixes, where "critical"
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# == "causes (transient) doctest failures / somebody complained".
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bugfixPatches = [
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# compile libs/gap/element.pyx with -O1
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# a more conservative version of https://github.com/sagemath/sage/pull/37951
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./patches/gap-element-crash.patch
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# https://github.com/sagemath/sage/pull/40895, positively reviewed
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(fetchpatch2 {
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name = "doctest-absolute-path.patch";
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url = "https://github.com/sagemath/sage/commit/3de32dccd2e32e5452ca3adf5bd63cbacb64ba9d.patch?full_index=1";
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hash = "sha256-rp+9d8Y6kifWzufE07GWU68txPn//w7uMn4LcpITaBs=";
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})
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];
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# Patches needed because of package updates. We could just pin the versions of
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# dependencies, but that would lead to rebuilds, confusion and the burdons of
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# maintaining multiple versions of dependencies. Instead we try to make sage
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# compatible with never dependency versions when possible. All these changes
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# should come from or be proposed to upstream. This list will probably never
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# be empty since dependencies update all the time.
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packageUpgradePatches = [
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];
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patches = nixPatches ++ bugfixPatches ++ packageUpgradePatches;
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# do not create .orig backup files if patch applies with fuzz
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patchFlags = [
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"--no-backup-if-mismatch"
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"-p1"
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];
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# harmless broken symlinks to (not) generated files used by sage-the-distro
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dontCheckForBrokenSymlinks = true;
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postPatch = ''
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# Make sure sage can at least be imported without setting any environment
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# variables. It won't be close to feature complete though.
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sed -i \
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"s|var(\"SAGE_ROOT\".*|var(\"SAGE_ROOT\", \"$out\")|" \
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src/sage/env.py
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# sage --docbuild unsets JUPYTER_PATH, which breaks our docbuilding
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# https://trac.sagemath.org/ticket/33650#comment:32
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sed -i "/export JUPYTER_PATH/d" src/bin/sage
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'';
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buildPhase = "# do nothing";
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installPhase = ''
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cp -r . "$out"
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tar xzf ${configure-src} -C "$out"
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rm "$out/configure"
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'';
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}
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