Expose our packages in flake packages output

flake.nix

@@ -2,25 +2,37 @@
   inputs.nixpkgs.url = "nixpkgs";
 
   outputs = { self, nixpkgs, ...}:
-    let
+  let
+    system = "x86_64-linux";
+    pkgs = import nixpkgs {
+      inherit system;
       # For now we only support x86
-      system = "x86_64-linux";
+      overlays = [ self.overlays.default ];
-      pkgs = import nixpkgs {
+    };
-        inherit system;
+  in
-        overlays = [ self.overlays.default ];
-      };
-    in
     {
       bscOverlay = import ./overlay.nix;
       overlays.default = self.bscOverlay;
-      # full nixpkgs with our overlay applied
-      legacyPackages.${system} = pkgs;
-
-      hydraJobs = {
-        inherit (self.legacyPackages.${system}.bsc-ci) test pkgs;
-      };
 
       # propagate nixpkgs lib, so we can do bscpkgs.lib
       inherit (nixpkgs) lib;
+
+      # full nixpkgs with our overlay applied
+      legacyPackages.${system} = pkgs;
+
+      # packages added by our overlay
+      packages.${system} =
+        let
+          inherit (builtins) attrNames removeAttrs;
+          inherit (nixpkgs.lib) flip filterAttrs getAttrs pipe isDerivation;
+        in
+          # extract the names of the packages from the overlay, then get the
+          # actual packages from the full package set with the overlay applied
+          pipe (self.overlays.default null { inherit (nixpkgs) lib; } ) [
+            attrNames
+            (flip getAttrs pkgs)
+            (flip removeAttrs [ "bsc" ])
+            (filterAttrs (_: isDerivation))
+          ];
     };
 }

overlay.nix

@@ -88,9 +88,7 @@ in bscPkgs // {
       };
     };
 
-    pkgs = filterAttrs (_: isDerivation) bscPkgs;
+    pkgs = final.runCommand "ci-pkgs" { }
-
-    pkgsList = final.runCommand "ci-pkgs" { }
       "printf '%s\n' ${toString (collect isDerivation bscPkgs)} > $out";
 
     tests = final.runCommand "ci-tests" { }
@@ -98,7 +96,7 @@ in bscPkgs // {
 
     all = final.runCommand "ci-all" { }
     ''
-      deps="${toString [ final.bsc-ci.pkgsList final.bsc-ci.tests ]}"
+      deps="${toString [ final.bsc-ci.pkgs final.bsc-ci.tests ]}"
       cat $deps
       printf '%s\n' $deps > $out
     '';

pkgs/paraver/default.nix

@@ -1,4 +1,5 @@
-{ stdenv
+{
+  stdenv
 , fetchFromGitHub
 , autoreconfHook
 , boost
@@ -11,17 +12,14 @@
 , openssl
 , glibcLocales
 , wrapGAppsHook
-
-, enableDebug ? false
 }:
 
 let
   wx = wxGTK32;
-  version = "4.12.0";
 in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "wxparaver";
-  inherit version;
+  version = "4.12.0";
 
   src = fetchFromGitHub {
     owner = "bsc-performance-tools";
@@ -38,26 +36,21 @@ stdenv.mkDerivation {
     ./fix-boost-87.patch
   ];
 
+  hardeningDisable = [ "all" ];
+
   # Fix the PARAVER_HOME variable
   postPatch = ''
     sed -i 's@^PARAVER_HOME=.*$@PARAVER_HOME='$out'@g' docs/wxparaver
     sed -i '1aexport LOCALE_ARCHIVE="${glibcLocales}/lib/locale/locale-archive"' docs/wxparaver
   '';
 
+  dontStrip = true;
   enableParallelBuilding = true;
 
-  hardeningDisable = [ "all" ];
+  preConfigure = ''
-
+    export CFLAGS="-O3"
-  dontStrip = true;
+    export CXXFLAGS="-O3"
-
+  '';
-  env =
-    let
-      flags = if enableDebug then "-ggdb -Og" else "-O3";
-    in
-    {
-      CFLAGS = flags;
-      CXXFLAGS = flags;
-    };
 
   configureFlags = [
     "--with-boost=${boost}"
@@ -67,19 +60,19 @@ stdenv.mkDerivation {
   ];
 
   nativeBuildInputs = [
-    autoconf
-    automake
-    autoreconfHook
     wrapGAppsHook
   ];
 
   buildInputs = [
+    autoreconfHook
     boost
-    libxml2
+    libxml2.dev
     xml2
     wx
+    autoconf
+    automake
     paraverKernel
-    openssl
+    openssl.dev
   ];
 
   postInstall = ''

pkgs/paraver/kernel.nix

@@ -1,4 +1,5 @@
-{ stdenv
+{
+  stdenv
 , fetchFromGitHub
 , autoreconfHook
 , boost
@@ -8,16 +9,11 @@
 , automake
 , pkg-config
 , zlib
-
-, enableDebug ? false
 }:
 
-let
+stdenv.mkDerivation rec {
-  version = "4.12.0";
-in
-stdenv.mkDerivation {
   pname = "paraver-kernel";
-  inherit version;
+  version = "4.12.0";
 
   src = fetchFromGitHub {
     owner = "bsc-performance-tools";
@@ -38,31 +34,24 @@ stdenv.mkDerivation {
 
   dontStrip = true;
 
-  env =
+  preConfigure = ''
-    let
+    export CFLAGS="-O3 -DPARALLEL_ENABLED"
-      flags = "-DPARALLEL_ENABLED " + (if enableDebug then "-ggdb -Og" else "-O3");
+    export CXXFLAGS="-O3 -DPARALLEL_ENABLED"
-    in
+  '';
-    {
-      CFLAGS = flags;
-      CXXFLAGS = flags;
-    };
 
   configureFlags = [
     "--with-boost=${boost}"
     "--enable-openmp"
   ];
 
-  nativeBuildInputs = [
-    autoreconfHook
-    autoconf
-    automake
-    pkg-config
-  ];
-
   buildInputs = [
+    autoreconfHook
     boost
     libxml2.dev
     xml2
+    autoconf
+    automake
+    pkg-config
     zlib
   ];
 }

pkgs/paraver/release.nix

@@ -61,16 +61,13 @@ stdenv.mkDerivation rec {
     "--with-wx-config=${wx}/bin/wx-config"
   ];
 
-  nativeBuildInputs = [
-    autoconf
-    automake
-  ];
-
   buildInputs = [
     boost
     xml2
     libxml2.dev
     wx
+    autoconf
+    automake
     openssl.dev
   ];