idrisPackages.idris: 1.0 -> 1.1.1

pkgs/development/idris-modules/build-idris-package.nix

@@ -4,8 +4,13 @@
 #       name and src.
 { stdenv, idris, gmp }: args: stdenv.mkDerivation ({
   preHook = ''
-    mkdir idris-libs
+    # Library import path
     export IDRIS_LIBRARY_PATH=$PWD/idris-libs
+    mkdir -p $IDRIS_LIBRARY_PATH
+
+    # Library install path
+    export IBCSUBDIR=$out/lib/${idris.name}
+    mkdir -p $IBCSUBDIR
 
     addIdrisLibs () {
       if [ -d $1/lib/${idris.name} ]; then
@@ -16,10 +21,6 @@
     envHooks+=(addIdrisLibs)
   '';
 
-  configurePhase = ''
-    export TARGET=$out/lib/${idris.name}
-  '';
-
   buildPhase = ''
     ${idris}/bin/idris --build *.ipkg
   '';
@@ -33,7 +34,7 @@
   '';
 
   installPhase = ''
-    ${idris}/bin/idris --install *.ipkg
+    ${idris}/bin/idris --install *.ipkg --ibcsubdir $IBCSUBDIR
   '';
 
   buildInputs = [ gmp ];