Use last intel compiler 2020 version

bsc/intel-compiler/default.nix

@@ -5,7 +5,7 @@
 , icc-unwrapped
 , wrapCCWith
 , libstdcxxHook
-, intel-license
+, icc-license
 }:
 
 let
@@ -19,7 +19,7 @@ in wrapCCWith rec {
     echo "-L${gcc.cc}/lib/gcc/${targetConfig}/${gcc.version}" >> $out/nix-support/cc-ldflags
     echo "-L${gcc.cc.lib}/lib" >> $out/nix-support/cc-ldflags
 
-    echo "export INTEL_LICENSE_FILE=${intel-license}" \
+    echo "export INTEL_LICENSE_FILE=${icc-license}" \
       >> $out/nix-support/setup-hook
 
     # Create the wrappers for icc and icpc

bsc/intel-compiler/icc2020.nix

@@ -6,11 +6,11 @@
 }:
 
 stdenv.mkDerivation rec {
-  version = "2019.1.217";
+  version = "${year}.${v_a}.${v_b}";
   name = "intel-compiler-${version}";
 
   # From Arch Linux PKGBUILD
-  dir_nr="16526";
+  dir_nr="16527";
   year="2020";
   v_a="1";
   v_b="217";

default.nix

@@ -43,11 +43,15 @@ let
       enableDebug = false;
     };
 
-    icc-unwrapped = callPackage ./bsc/intel-compiler/icc.nix {
+    # By default we use Intel compiler 2020 update 1
+    icc-unwrapped = icc2020-unwrapped;
+    icc2020-unwrapped = callPackage ./bsc/intel-compiler/icc2020.nix {
     };
 
+    # A wrapper script that puts all the flags and environment vars properly and
+    # calls the intel compiler binary
     icc = callPackage bsc/intel-compiler/default.nix {
-      intel-license = icc-license;
+      inherit icc-unwrapped icc-license;
     };
 
     icc-license = callPackage bsc/intel-compiler/license.nix {