Add with-packages wrapper for idris

pkgs/development/idris-modules/with-packages-wrapper.nix

@@ -0,0 +1,38 @@
+{ stdenv, idris, packages }: stdenv.mkDerivation {
+  inherit (idris) name;
+
+  inherit packages;
+
+  unpackPhase = ''
+    cat >idris.c <<EOF
+    #include <stdlib.h>
+    #include <unistd.h>
+    #include <stdio.h>
+
+    int main (int argc, char ** argv) {
+      /* idris currently only supports a single library path, so respect it if the user set it */
+      setenv("IDRIS_LIBRARY_PATH", "$out/lib/${idris.name}", 0);
+      execv("${idris}/bin/idris", argv);
+      perror("executing ${idris}/bin/idris");
+      return 127;
+    }
+    EOF
+  '';
+
+  buildPhase = ''
+    gcc -O3 -o idris idris.c
+  '';
+
+  installPhase = ''
+    mkdir -p $out/lib/${idris.name}
+    for package in $packages
+    do
+      ln -sv $package/lib/${idris.name}/* $out/lib/${idris.name}
+    done
+
+    mkdir -p $out/bin
+    mv idris $out/bin
+  '';
+
+  stripAllList = [ "bin" ];
+}