From a7e9047db399b8162d9596b28b68976c34e0ebf6 Mon Sep 17 00:00:00 2001
From: Stephen OBrien <wayofthepie@gmail.com>
Date: Fri, 27 Nov 2020 08:07:30 +0000
Subject: doc: convert coq to commonmark

---
 doc/languages-frameworks/coq.section.md | 40 +++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 doc/languages-frameworks/coq.section.md

(limited to 'doc/languages-frameworks/coq.section.md')

diff --git a/doc/languages-frameworks/coq.section.md b/doc/languages-frameworks/coq.section.md
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+# Coq {#sec-language-coq}
+
+Coq libraries should be installed in `$(out)/lib/coq/${coq.coq-version}/user-contrib/`. Such directories are automatically added to the `$COQPATH` environment variable by the hook defined in the Coq derivation.
+
+Some extensions (plugins) might require OCaml and sometimes other OCaml packages. The `coq.ocamlPackages` attribute can be used to depend on the same package set Coq was built against.
+
+Coq libraries may be compatible with some specific versions of Coq only. The `compatibleCoqVersions` attribute is used to precisely select those versions of Coq that are compatible with this derivation.
+
+Here is a simple package example. It is a pure Coq library, thus it depends on Coq. It builds on the Mathematical Components library, thus it also takes `mathcomp` as `buildInputs`. Its `Makefile` has been generated using `coq_makefile` so we only have to set the `$COQLIB` variable at install time.
+
+```nix
+{ stdenv, fetchFromGitHub, coq, mathcomp }:
+
+stdenv.mkDerivation rec {
+  name = "coq${coq.coq-version}-multinomials-${version}";
+  version = "1.0";
+  src = fetchFromGitHub {
+    owner = "math-comp";
+    repo = "multinomials";
+    rev = version;
+    sha256 = "1qmbxp1h81cy3imh627pznmng0kvv37k4hrwi2faa101s6bcx55m";
+  };
+
+  buildInputs = [ coq ];
+  propagatedBuildInputs = [ mathcomp ];
+
+  installFlags = "COQLIB=$(out)/lib/coq/${coq.coq-version}/";
+
+  meta = {
+    description = "A Coq/SSReflect Library for Monoidal Rings and Multinomials";
+    inherit (src.meta) homepage;
+    license = stdenv.lib.licenses.cecill-b;
+    inherit (coq.meta) platforms;
+  };
+
+  passthru = {
+    compatibleCoqVersions = v: builtins.elem v [ "8.5" "8.6" "8.7" ];
+  };
+}
+```
-- 
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