Merge pull request #23097 from dmjio/halvm

Initial commit of HaLVM support

1 files changed, 10 insertions, 10 deletions

diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index f580de51a35c..42678e342be4 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -66,7 +66,8 @@ let
                        concatStringsSep enableFeature optionalAttrs toUpper;
 
   isGhcjs = ghc.isGhcjs or false;
-  packageDbFlag = if isGhcjs || versionOlder "7.6" ghc.version
+  isHaLVM = ghc.isHaLVM or false;
+  packageDbFlag = if isGhcjs || isHaLVM || versionOlder "7.6" ghc.version
                   then "package-db"
                   else "package-conf";
 
@@ -99,16 +100,15 @@ let
     "--with-ghc-pkg=${ghc.cross.config}-ghc-pkg"
     "--with-gcc=${ghc.cc}"
     "--with-ld=${ghc.ld}"
-    "--hsc2hs-options=--cross-compile"
     "--with-hsc2hs=${nativeGhc}/bin/hsc2hs"
-  ];
+  ] ++ (if isHaLVM then [] else ["--hsc2hs-options=--cross-compile"]);
 
   crossCabalFlagsString =
     stdenv.lib.optionalString isCross (" " + stdenv.lib.concatStringsSep " " crossCabalFlags);
 
   defaultConfigureFlags = [
     "--verbose" "--prefix=$out" "--libdir=\\$prefix/lib/\\$compiler" "--libsubdir=\\$pkgid"
-    "--with-gcc=$CC"            # Clang won't work without that extra information.
+    "--with-gcc=$CC" # Clang won't work without that extra information.
     "--package-db=$packageConfDir"
     (optionalString (enableSharedExecutables && stdenv.isLinux) "--ghc-option=-optl=-Wl,-rpath=$out/lib/${ghc.name}/${pname}-${version}")
     (optionalString (enableSharedExecutables && stdenv.isDarwin) "--ghc-option=-optl=-Wl,-headerpad_max_install_names")
@@ -133,8 +133,9 @@ let
 
   setupCompileFlags = [
     (optionalString (!coreSetup) "-${packageDbFlag}=$packageConfDir")
-    (optionalString (isGhcjs || versionOlder "7.8" ghc.version) "-j$NIX_BUILD_CORES")
-    (optionalString (versionOlder "7.10" ghc.version) "-threaded") # https://github.com/haskell/cabal/issues/2398
+    (optionalString (isGhcjs || isHaLVM || versionOlder "7.8" ghc.version) "-j$NIX_BUILD_CORES")
+    # https://github.com/haskell/cabal/issues/2398
+    (optionalString (versionOlder "7.10" ghc.version && !isHaLVM) "-threaded")
   ];
 
   isHaskellPkg = x: (x ? pname) && (x ? version) && (x ? env);
@@ -319,11 +320,10 @@ stdenv.mkDerivation ({
         export NIX_${ghcCommandCaps}="${ghcEnv}/bin/${ghcCommand}"
         export NIX_${ghcCommandCaps}PKG="${ghcEnv}/bin/${ghcCommand}-pkg"
         export NIX_${ghcCommandCaps}_DOCDIR="${ghcEnv}/share/doc/ghc/html"
-        export NIX_${ghcCommandCaps}_LIBDIR="${ghcEnv}/lib/${ghcCommand}-${ghc.version}"
-        ${shellHook}
-      '';
+        '' + (if isHaLVM
+	       then ''export NIX_${ghcCommandCaps}_LIBDIR="${ghcEnv}/lib/HaLVM-${ghc.version}"''
+	       else ''export NIX_${ghcCommandCaps}_LIBDIR="${ghcEnv}/lib/${ghcCommand}-${ghc.version}"'') + "${shellHook}";
     };
-
   };
 
   meta = { inherit homepage license platforms; }