From ac6adc82609c6b1248aa28fca97ec46879434885 Mon Sep 17 00:00:00 2001
From: Andreas Rammhold <andreas@rammhold.de>
Date: Wed, 31 Jul 2019 21:51:15 +0200
Subject: [PATCH] crc32c: init at 1.1.0

---
 pkgs/development/libraries/crc32c/default.nix | 24 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 2 files changed, 26 insertions(+)
 create mode 100644 pkgs/development/libraries/crc32c/default.nix

diff --git a/pkgs/development/libraries/crc32c/default.nix b/pkgs/development/libraries/crc32c/default.nix
new file mode 100644
index 00000000000..916ec5b703b
--- /dev/null
+++ b/pkgs/development/libraries/crc32c/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, fetchFromGitHub, cmake, gflags }:
+stdenv.mkDerivation rec {
+  pname = "crc32c";
+  version = "1.1.0";
+
+  src = fetchFromGitHub {
+    owner = "google";
+    repo = "crc32c";
+    rev = version;
+    sha256 = "1sazkis9rzbrklfrvk7jn1mqywnq4yghmzg94mxd153h8b1sb149";
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ gflags ];
+  NIX_CFLAGS_COMPILE = stdenv.lib.optional stdenv.isAarch64 "-march=armv8-a+crc";
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/google/crc32c;
+    description = "CRC32C implementation with support for CPU-specific acceleration instructions";
+    license = with licenses; [ bsd3 ];
+    maintainers = with maintainers; [ andir ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0d02357f003..638ee6703db 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -755,6 +755,8 @@ in
 
   crumbs = callPackage ../applications/misc/crumbs { };
 
+  crc32c = callPackage ../development/libraries/crc32c { };
+
   cue = callPackage ../development/tools/cue { };
 
   deskew = callPackage ../applications/graphics/deskew { };