intel: add intel compiler 2021.2.0

bsc/intel-compiler/wrapper2021.nix

@@ -0,0 +1,26 @@
+{
+  stdenv
+, gcc
+, iccUnwrapped
+, wrapCCWith
+}:
+
+let
+  targetConfig = stdenv.targetPlatform.config;
+  inherit gcc;
+in wrapCCWith rec {
+  cc = iccUnwrapped;
+  extraBuildCommands = ''
+    echo "-B${gcc.cc}/lib/gcc/${targetConfig}/${gcc.version}" >> $out/nix-support/cc-cflags
+    echo "-isystem ${iccUnwrapped}/include" >> $out/nix-support/cc-cflags
+    echo "-isystem ${iccUnwrapped}/include/icc" >> $out/nix-support/cc-cflags
+    echo "-L${gcc.cc}/lib/gcc/${targetConfig}/${gcc.version}" >> $out/nix-support/cc-ldflags
+    echo "-L${gcc.cc.lib}/lib" >> $out/nix-support/cc-ldflags
+
+    # Create the wrappers for icc and icpc
+    wrap icx  $wrapper $ccPath/icx
+    wrap icx  $wrapper $ccPath/icpx
+    wrap icx  $wrapper $ccPath/clang
+    wrap icx  $wrapper $ccPath/clang++
+  '';
+}