From e216a63c7d732035a4127b7ed8061318ff9fb1df Mon Sep 17 00:00:00 2001
From: Linus Arver <linusarver@gmail.com>
Date: Sat, 25 Apr 2015 16:17:40 -0700
Subject: [PATCH] Add package: pcg-c

Also, add myself as maintainer.
---
 lib/maintainers.nix                           |  1 +
 pkgs/development/libraries/pcg-c/default.nix  | 38 +++++++++++++++++++
 .../libraries/pcg-c/prefix-variable.patch     | 15 ++++++++
 pkgs/top-level/all-packages.nix               |  2 +
 4 files changed, 56 insertions(+)
 create mode 100644 pkgs/development/libraries/pcg-c/default.nix
 create mode 100644 pkgs/development/libraries/pcg-c/prefix-variable.patch

diff --git a/lib/maintainers.nix b/lib/maintainers.nix
index c944414ce6c2..f0e87507ceb6 100644
--- a/lib/maintainers.nix
+++ b/lib/maintainers.nix
@@ -118,6 +118,7 @@
   lethalman = "Luca Bruno <lucabru@src.gnome.org>";
   lhvwb = "Nathaniel Baxter <nathaniel.baxter@gmail.com>";
   linquize = "Linquize <linquize@yahoo.com.hk>";
+  linus = "Linus Arver <linusarver@gmail.com>";
   lovek323 = "Jason O'Conal <jason@oconal.id.au>";
   ludo = "Ludovic Courtès <ludo@gnu.org>";
   madjar = "Georges Dubus <georges.dubus@compiletoi.net>";
diff --git a/pkgs/development/libraries/pcg-c/default.nix b/pkgs/development/libraries/pcg-c/default.nix
new file mode 100644
index 000000000000..4b8cedd90c73
--- /dev/null
+++ b/pkgs/development/libraries/pcg-c/default.nix
@@ -0,0 +1,38 @@
+{ stdenv, fetchzip }:
+
+with stdenv.lib;
+
+stdenv.mkDerivation rec {
+  version = "0.94";
+  name = "pcg-c-${version}";
+
+  src = fetchzip {
+    url = "http://www.pcg-random.org/downloads/${name}.zip";
+    sha256 = "0smm811xbvs03a5nc2668zd0178wnyri2h023pqffy767bpy1vlv";
+  };
+
+  enableParallelBuilding = true;
+
+  patches = [
+    ./prefix-variable.patch
+    ];
+
+  preInstall = ''
+    sed -i s,/usr/local,$out, Makefile
+    mkdir -p $out/lib $out/include
+  '';
+
+  meta = {
+    description = "A family of better random number generators";
+    homepage = "http://www.pcg-random.org/";
+    license = stdenv.lib.licenses.asl20;
+    longDescription = ''
+      PCG is a family of simple fast space-efficient statistically good
+      algorithms for random number generation. Unlike many general-purpose RNGs,
+      they are also hard to predict.
+    '';
+    platforms = platforms.unix;
+    maintainers = [ maintainers.linus ];
+    repositories.git = git://github.com/imneme/pcg-c.git;
+  };
+}
diff --git a/pkgs/development/libraries/pcg-c/prefix-variable.patch b/pkgs/development/libraries/pcg-c/prefix-variable.patch
new file mode 100644
index 000000000000..bfdcdfa7b17e
--- /dev/null
+++ b/pkgs/development/libraries/pcg-c/prefix-variable.patch
@@ -0,0 +1,15 @@
+diff --git a/Makefile b/Makefile
+index dddea44..fdb9401 100644
+--- a/Makefile
++++ b/Makefile
+@@ -30,8 +30,8 @@ all:
+ PREFIX = /usr/local
+ 
+ install: all
+-	install src/libpcg_random.a $PREFIX/lib
+-	install -m 0644 include/pcg_variants.h $PREFIX/include
++	install src/libpcg_random.a ${PREFIX}/lib
++	install -m 0644 include/pcg_variants.h ${PREFIX}/include
+ 
+ test:   all
+ 	cd test-low; $(MAKE) test
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3731cd40d598..ddb2349bdfb8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7259,6 +7259,8 @@ let
 
   pangoxsl = callPackage ../development/libraries/pangoxsl { };
 
+  pcg_c = callPackage ../development/libraries/pcg-c { };
+
   pcl = callPackage ../development/libraries/pcl {
     vtk = vtkWithQt4;
   };