From 6cb654e501e03a49d3380e4decd17e62b0d71c6e Mon Sep 17 00:00:00 2001
From: Tyson Whitehead <twhitehead@gmail.com>
Date: Tue, 6 Feb 2018 22:10:02 -0500
Subject: [PATCH] octopus: Initial packaging

---
 pkgs/all-packages.nix    |  4 +++
 pkgs/octopus/default.nix | 59 ++++++++++++++++++++++++++++++++++++++++
 pkgs/octopus/libxc3.nix  | 24 ++++++++++++++++
 3 files changed, 87 insertions(+)
 create mode 100644 pkgs/octopus/default.nix
 create mode 100644 pkgs/octopus/libxc3.nix

diff --git a/pkgs/all-packages.nix b/pkgs/all-packages.nix
index 7af3ffb..3e29833 100644
--- a/pkgs/all-packages.nix
+++ b/pkgs/all-packages.nix
@@ -8,8 +8,12 @@ self: super: pkgs: with pkgs; {
 
   #firedrake = callPackage ./firedrake { };
 
+  libxc3 = callPackage ./octopus/libxc3.nix { };
+
   #meraculous = callPackage ./meraculous.nix { };
 
+  octopus = callPackage ./octopus { };
+
   #openfoam = callPackage ./openfoam.nix { };
 
   openslide = callPackage ./openslide { };
diff --git a/pkgs/octopus/default.nix b/pkgs/octopus/default.nix
new file mode 100644
index 0000000..8828352
--- /dev/null
+++ b/pkgs/octopus/default.nix
@@ -0,0 +1,59 @@
+# The following optional dependencies are not currently available
+#
+# pfft, pnfft, etdf_io, berkeleygw, sparskit, blacs elpa, parpack,
+# feast, libfm (think this is actually scafacos) poke, parmetis
+# (requires metis)
+#
+# The following optional dependencies are not suitable for given reason
+#
+# nlopt (only provides libnlopt_cxx which requires c++ compiler for linking)
+#
+
+{ stdenv, fetchurl, overrideCC, gcc5, gfortran5, perl, openmpi
+, libxc3, blas, liblapack, gsl, fftw, netcdffortran
+, arpack, libyaml }:
+
+
+(overrideCC stdenv gcc5).mkDerivation rec {
+  version = "7.2";
+  name = "octopus-${version}";
+
+  src = fetchurl {
+    url = "http://www.tddft.org/programs/octopus/down.php?file=${version}/octopus-${version}.tar.gz";
+    sha256 = "03zzmq72zdnjkhifbmlxs7ig7x6sf6mv8zv9mxhakm9hzwa9yn7m";
+  };
+
+  buildInputs = [
+    gfortran5
+    perl
+    openmpi
+    libxc3
+    blas
+    liblapack
+    gsl
+    fftw
+    netcdffortran
+    arpack
+    libyaml
+  ];
+
+  # Extend netcdf library combo test to include just -lnetcdff
+  postPatch = ''
+    patchShebangs build
+    sed -i -e 's/in "" -lnetcdf "-lnetcdff -lnetcdf";/in "" -lnetcdf "-lnetcdff -lnetcdf" -lnetcdff;/' configure
+  '';
+
+  configureFlags = [
+    "--enable-mpi"
+    "--with-libxc-prefix=${libxc3}"
+    "--with-fftw-prefix=${fftw.dev}"
+    "--with-netcdf-prefix=${netcdffortran}"
+  ];
+
+  meta = with stdenv.lib; {
+    homepage = http://octopus-code.org/wiki/Main_Page;
+    description = "Octopus is a scientific program aimed at the ab initio virtual experimentation.";
+    platforms = platforms.all;
+    license = licenses.gpl2;
+  };
+}
diff --git a/pkgs/octopus/libxc3.nix b/pkgs/octopus/libxc3.nix
new file mode 100644
index 0000000..50f1155
--- /dev/null
+++ b/pkgs/octopus/libxc3.nix
@@ -0,0 +1,24 @@
+{ stdenv, fetchurl, gfortran, perl }:
+
+stdenv.mkDerivation rec {
+  version = "3.0.1";
+  name = "libxc-${version}";
+
+  src = fetchurl {
+    url = "http://www.tddft.org/programs/octopus/down.php?file=libxc/${version}/libxc-${version}.tar.gz";
+    sha256 = "1xyac89yx03vm86rvk07ps1d39xss3amw46a1k53mv30mgr94rl3";
+  };
+
+  buildInputs = [ gfortran perl ];
+
+  postPatch = ''
+    patchShebangs src testsuite
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = http://octopus-code.org/wiki/Libxc;
+    description = "Libxc is a library of exchange-correlation functionals for density-functional theory.";
+    platforms = platforms.all;
+    license = licenses.gpl3;
+  };
+}