r-modules: fix clustermq and rzmq build

rzmq uses pkgconfig.

clustermq now incorporates ZMQ libs directly, rather than using
the rzmq package. clustermq now uses zeromq and pkgconfig.

Both packages needed patchShebangs, due to pkgconfig.

pkgs/development/r-modules/default.nix

@@ -329,7 +329,8 @@ let
     rtiff = [ pkgs.libtiff.dev ];
     runjags = [ pkgs.jags ];
     RVowpalWabbit = [ pkgs.zlib.dev pkgs.boost ];
-    rzmq = [ pkgs.zeromq ];
+    rzmq = [ pkgs.zeromq pkgs.pkgconfig ];
+    clustermq = [ pkgs.zeromq ];
     SAVE = [ pkgs.zlib pkgs.bzip2 pkgs.icu pkgs.lzma pkgs.pcre ];
     sdcTable = [ pkgs.gmp pkgs.glpk ];
     seewave = [ pkgs.fftw.dev pkgs.libsndfile.dev ];
@@ -384,6 +385,7 @@ let
     nat = [ pkgs.which ];
     nat_templatebrains = [ pkgs.which ];
     pbdZMQ = lib.optionals stdenv.isDarwin [ pkgs.darwin.binutils ];
+    clustermq = [  pkgs.pkgconfig ];
     RMark = [ pkgs.which ];
     RPushbullet = [ pkgs.which ];
     RcppEigen = [ pkgs.libiconv ];
@@ -663,6 +665,14 @@ let
         '';
     });
 
+    rzmq = old.rzmq.overrideDerivation (attrs: {
+      preConfigure = "patchShebangs configure";
+    });
+
+    clustermq = old.clustermq.overrideDerivation (attrs: {
+      preConfigure = "patchShebangs configure";
+    });
+
     Cairo = old.Cairo.overrideDerivation (attrs: {
       NIX_LDFLAGS = "-lfontconfig";
     });