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264 lines
12 KiB
Nix
264 lines
12 KiB
Nix
#############################
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# Main derivation: mathcomp #
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########################################################################
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# This file mainly provides the `mathcomp` derivation, which is #
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# essentially a meta-package containing all core mathcomp libraries #
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# (ssreflect fingroup algebra solvable field character). They can be #
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# accessed individually through the paththrough attributes of mathcomp #
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# bearing the same names (mathcomp.ssreflect, etc). #
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# #
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# Do not use overrideAttrs, but overrideMathcomp instead, which #
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# regenerate a full mathcomp derivation with sub-derivations, and #
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# behave the same as `mathcomp_`, described below. #
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########################################################################
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############################################################
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# Compiling a custom version of mathcomp using `mathcomp_` #
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##############################################################################
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# The prefered way to compile a custom version of mathcomp (other than a #
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# released version which should be added to `mathcomp-config-initial` #
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# and pushed to nixpkgs), is to apply the function `coqPackages.mathcomp_` #
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# to either: #
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# - a string without slash, which is interpreted as a github revision, #
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# i.e. either a tag, a branch or a commit hash #
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# - a string with slashes "owner/p_1/.../p_n", which is interpreted as #
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# github owner "owner" and revision "p_1/.../p_n". #
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# - a path which is interpreted as a local source for the repository, #
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# the name of the version is taken to be the basename of the path #
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# i.e. if the path is /home/you/git/package/branch/, #
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# then "branch" is the name of the version #
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# - an attribute set which overrides some attributes (e.g. the src) #
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# if the version is updated, the name is automatically regenerated using #
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# the conventional schema "coq${coq.coq-version}-${pkgname}-${version}" #
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# - a "standard" override function (old: new_attrs) to override the default #
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# attribute set, so that you can use old.${field} to patch the derivation. #
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##############################################################################
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#########################################################################
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# Example of use: https://github.com/math-comp/math-comp/wiki/Using-nix #
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#########################################################################
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#################################
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# Adding a new mathcomp version #
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#############################################################################
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# When adding a new version of mathcomp, add an attribute to `sha256` (use #
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# ```sh #
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# nix-prefetch-url --unpack #
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# https://github.com/math-comp/math-comp/archive/version.tar.gz #
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# ``` #
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# to get the corresponding `sha256`) and to `coq-version` (read the release #
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# notes to check which versions of coq it is compatible with). Then add #
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# it in `preference version`, if not all mathcomp-extra packages are #
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# ready, you might want to give new release secondary priority. #
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#############################################################################
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{ stdenv, fetchFromGitHub, ncurses, which, graphviz,
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recurseIntoAttrs, withDoc ? false,
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coqPackages,
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mathcomp_, mathcomp, mathcomp-config,
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}:
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with builtins // stdenv.lib;
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let
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mathcomp-config-initial = rec {
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#######################################################################
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# CONFIGURATION (please edit this), it is exported as mathcomp-config #
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#######################################################################
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# sha256 of released mathcomp versions
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sha256 = {
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"1.11.0" = "06a71d196wd5k4wg7khwqb7j7ifr7garhwkd54s86i0j7d6nhl3c";
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"1.11+beta1" = "12i3zznwajlihzpqsiqniv20rklj8d8401lhd241xy4s21fxkkjm";
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"1.10.0" = "1b9m6pwxxyivw7rgx82gn5kmgv2mfv3h3y0mmjcjfypi8ydkrlbv";
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"1.9.0" = "0lid9zaazdi3d38l8042lczb02pw5m9wq0yysiilx891hgq2p81r";
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"1.8.0" = "07l40is389ih8bi525gpqs3qp4yb2kl11r9c8ynk1ifpjzpnabwp";
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"1.7.0" = "0wnhj9nqpx2bw6n1l4i8jgrw3pjajvckvj3lr4vzjb3my2lbxdd1";
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"1.6.1" = "1ilw6vm4dlsdv9cd7kmf0vfrh2kkzr45wrqr8m37miy0byzr4p9i";
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};
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# versions of coq compatible with released mathcomp versions
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coq-versions = {
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"1.11.0" = flip elem [ "8.7" "8.8" "8.9" "8.10" "8.11" "8.12" ];
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"1.11+beta1" = flip elem [ "8.7" "8.8" "8.9" "8.10" "8.11" "8.12" ];
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"1.10.0" = flip elem [ "8.7" "8.8" "8.9" "8.10" "8.11" ];
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"1.9.0" = flip elem [ "8.7" "8.8" "8.9" "8.10" ];
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"1.8.0" = flip elem [ "8.7" "8.8" "8.9" ];
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"1.7.0" = flip elem [ "8.6" "8.7" "8.8" "8.9" ];
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"1.6.1" = flip elem [ "8.5"];
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};
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# sets the default version of mathcomp given a version of Coq
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# this is currently computed using version-perference below
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# but it can be set to a fixed version number
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preferred-version = let v = head (
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filter (mc: mathcomp-config.coq-versions.${mc} coq.coq-version)
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mathcomp-config.version-preferences ++ ["0.0.0"]);
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in if v == "0.0.0" then head mathcomp-config.version-preferences else v;
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# mathcomp preferred versions by decreasing order
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# (the first version in the list will be tried first)
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version-preferences =
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[ "1.10.0" "1.11.0" "1.9.0" "1.8.0" "1.7.0" "1.6.1" ];
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# list of core mathcomp packages sorted by dependency order
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packages = _version: # unused in current versions of mathcomp
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# because the following list of packages is fixed for
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# all versions of mathcomp up to 1.11.0
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[ "ssreflect" "fingroup" "algebra" "solvable" "field" "character" "all" ];
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# compute the dependencies of the core package pkg
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# (assuming the total ordering above, change if necessary)
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deps = version: pkg: if pkg == "single" then [] else
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(pred-split-list (x: x == pkg) (mathcomp-config.packages version)).left;
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};
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##############################################################
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# COMPUTED using the configuration above (edit with caution) #
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##############################################################
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# generic split function (TODO: move to lib?)
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pred-split-list = pred: l:
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let loop = v: l: if l == [] then {left = v; right = [];}
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else let hd = builtins.head l; tl = builtins.tail l; in
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if pred hd then {left = v; right = tl;} else loop (v ++ [hd]) tl;
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in loop [] l;
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pkgUp = l: r: l // r // {
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meta = (l.meta or {}) // (r.meta or {});
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passthru = (l.passthru or {}) // (r.passthru or {});
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};
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coq = coqPackages.coq;
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mathcomp-deps = mathcomp-config.deps mathcomp.config.preferred-version;
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# default set of attributes given a 'package' name.
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# this attribute set will be extended using toOverrideFun
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default-attrs = package:
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let
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pkgpath = if package == "single" then "mathcomp" else "mathcomp/${package}";
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pkgname = if package == "single" then "mathcomp" else "mathcomp-${package}";
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pkgallMake = ''
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echo "all.v" > Make
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echo "-I ." >> Make
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echo "-R . mathcomp.all" >> Make
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'';
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in
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rec {
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version = "master";
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name = "coq${coq.coq-version}-${pkgname}-${version}";
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nativeBuildInputs = optionals withDoc [ graphviz ];
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buildInputs = [ ncurses which ] ++ (with coq.ocamlPackages; [ ocaml findlib camlp5 ]);
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propagatedBuildInputs = [ coq ];
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enableParallelBuilding = true;
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buildFlags = optional withDoc "doc";
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COQBIN = "${coq}/bin/";
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preBuild = ''
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patchShebangs etc/utils/ssrcoqdep || true
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cd ${pkgpath}
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'' + optionalString (package == "all") pkgallMake;
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installPhase = ''
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make -f Makefile.coq COQLIB=$out/lib/coq/${coq.coq-version}/ install
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'' + optionalString withDoc ''
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make -f Makefile.coq install-doc DOCDIR=$out/share/coq/${coq.coq-version}/
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'';
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meta = with stdenv.lib; {
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homepage = "https://math-comp.github.io/";
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license = licenses.cecill-b;
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maintainers = [ maintainers.vbgl maintainers.jwiegley maintainers.cohencyril ];
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platforms = coq.meta.platforms;
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};
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passthru = {
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mathcompDeps = mathcomp-deps package;
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inherit package mathcomp-config;
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compatibleCoqVersions = _: true;
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};
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};
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# converts a string, path or attribute set into an override function
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toOverrideFun = overrides:
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if isFunction overrides then overrides else old:
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let
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pkgname = if old.passthru.package == "single" then "mathcomp"
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else "mathcomp-${old.passthru.package}";
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string-attrs = if hasAttr overrides mathcomp-config.sha256 then
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let version = overrides;
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in {
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inherit version;
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src = fetchFromGitHub {
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owner = "math-comp";
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repo = "math-comp";
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rev = "mathcomp-${version}";
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sha256 = mathcomp-config.sha256.${version};
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};
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passthru = old.passthru // {
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compatibleCoqVersions = mathcomp-config.coq-versions.${version};
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mathcompDeps = mathcomp-config.deps version old.passthru.package;
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};
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}
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else
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let splitted = filter isString (split "/" overrides);
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owner = head splitted;
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ref = concatStringsSep "/" (tail splitted);
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version = head (reverseList splitted);
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in if length splitted == 1 then {
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inherit version;
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src = fetchTarball "https://github.com/math-comp/math-comp/archive/${version}.tar.gz";
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} else {
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inherit version;
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src = fetchTarball "https://github.com/${owner}/math-comp/archive/${ref}.tar.gz";
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};
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attrs =
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if overrides == null || overrides == "" then _: {}
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else if isString overrides then string-attrs
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else if isPath overrides then { version = baseNameOf overrides; src = overrides; }
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else if isAttrs overrides then pkgUp old overrides
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else let overridesStr = toString overrides; in
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abort "${overridesStr} not a legitimate overrides";
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in
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attrs // (if attrs?version && ! (attrs?name)
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then { name = "coq${coq.coq-version}-${pkgname}-${attrs.version}"; } else {});
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# generates {ssreflect = «derivation ...» ; ... ; character = «derivation ...», ...}
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mkMathcompGenSet = pkgs: o:
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fold (pkg: pkgs: pkgs // {${pkg} = mkMathcompGen pkg o;}) {} pkgs;
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# generates the derivation of one mathcomp package.
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mkMathcompGen = package: overrides:
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let
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up = x: o: x // (toOverrideFun o x);
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fixdeps = attrs:
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let version = attrs.version or "master";
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mcdeps = if package == "single" then {}
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else mkMathcompGenSet (filter isString attrs.passthru.mathcompDeps) overrides;
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allmc = mkMathcompGenSet (mathcomp-config.packages version ++ [ "single" ]) overrides;
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in {
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propagatedBuildInputs = [ coq ]
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++ filter isDerivation attrs.passthru.mathcompDeps
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++ attrValues mcdeps
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;
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passthru = allmc //
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{ overrideMathcomp = o: mathcomp_ (old: up (up old overrides) o); };
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};
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in
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stdenv.mkDerivation (up (up (default-attrs package) overrides) fixdeps);
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in
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{
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mathcomp-config = mathcomp-config-initial;
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mathcomp_ = mkMathcompGen "all";
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mathcomp = mathcomp_ mathcomp-config.preferred-version;
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# mathcomp-single = mathcomp.single;
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ssreflect = mathcomp.ssreflect;
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mathcomp-ssreflect = mathcomp.ssreflect;
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mathcomp-fingroup = mathcomp.fingroup;
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mathcomp-algebra = mathcomp.algebra;
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mathcomp-solvable = mathcomp.solvable;
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mathcomp-field = mathcomp.field;
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mathcomp-character = mathcomp.character;
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}
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