[ci] prepare CI on clang-14

.gitlab-ci.yml

@@ -45,3 +45,11 @@ tests-on-llvm-13:
    - nix/frama-ci.sh build -A frama-clang.on-llvm13.tests
   tags:
    - nix
+  when: manual
+
+tests-on-llvm-14:
+  stage: tests
+  script:
+   - nix/frama-ci.sh build -A frama-clang.on-llvm14.tests
+  tags:
+   - nix

nix/default.nix

@@ -4,7 +4,7 @@
    plugin_extend ? self: super: { }
  }:
 
-let old_pkgs = pkgs; in # c9cfbe0899514952bdd324c717c374d704e475ef commit introducing llvm-14
+let old_pkgs = pkgs; in
 
 let frama_clang_build =
   { pkgs?old_pkgs,
@@ -15,7 +15,7 @@ let frama_clang_build =
 (plugins.helpers.simple_plugin
    { inherit pkgs stdenv src opam2nix ocaml plugins plugin_extend;
      name = "frama-clang-on-llvm-" + llvm_version;
-     deps = [ llvm_package.clang-unwrapped llvm pkgs.gnused ];
+     deps = [ llvm_package.clang-unwrapped.dev llvm.dev pkgs.gnused ];
      opamPackages = [ "camlp5=7.14" ];
      preFramaCTests = ''
        echo CONFIGURING Why3 for Frama_Clang.
@@ -25,8 +25,8 @@ let frama_clang_build =
    });
     pkgs = import (
       builtins.fetchTarball {
-        url = "https://github.com/NixOS/nixpkgs/archive/ed2c99e65f4f5f4bf3bb3a3422f07fc8ec9a97ce.tar.gz";
-        sha256="1bp4fkswpl7s2clxbdbff8j42dsns4ihvc5l9399v9kapxb7wx5f";
+        url = "https://codeload.github.com/NixOS/nixpkgs/tar.gz/c9cfbe0899514952bdd324c717c374d704e475ef";
+        sha256="0jwlx0k723zm2cmj9ipddg5qi6qsv695ar0lxqqlafh9brzva5lf";
         }
       )
     {};
@@ -37,4 +37,5 @@ in
     { on-llvm11 = (frama_clang_build { llvm_version="11"; });
       on-llvm12 = (frama_clang_build { llvm_version="12"; });
       on-llvm13 = (frama_clang_build { inherit pkgs; llvm_version="13"; });
+      on-llvm14 = (frama_clang_build { inherit pkgs; llvm_version="14"; });
     })