From c2973f986d4fc5da938aaca158a8497751ef35f0 Mon Sep 17 00:00:00 2001
From: Austin Seipp <aseipp@pobox.com>
Date: Wed, 14 Feb 2018 00:15:48 -0600
Subject: [PATCH] yosys: 2018.02.04 -> 2018.02.14

Also fixes 'yosys -V' output to give the correct Git SHA1 revision.

Signed-off-by: Austin Seipp <aseipp@pobox.com>
---
 pkgs/development/compilers/yosys/default.nix | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/compilers/yosys/default.nix b/pkgs/development/compilers/yosys/default.nix
index eb96acafb9e..063fd71c043 100644
--- a/pkgs/development/compilers/yosys/default.nix
+++ b/pkgs/development/compilers/yosys/default.nix
@@ -2,18 +2,24 @@
 , pkgconfig, tcl, readline, libffi, python3, bison, flex
 }:
 
+with builtins;
+
 stdenv.mkDerivation rec {
   name = "yosys-${version}";
-  version = "2018.02.04";
+  version = "2018.02.14";
 
   srcs = [
     (fetchFromGitHub {
       owner  = "yosyshq";
       repo   = "yosys";
-      rev    = "0659d9eac7b546ee6f5acab46dbc83c91d556a34";
-      sha256 = "1hy21gxcp3q3hlbh5sh46h2340r11fwalkb9if9sbpc9y3279njj";
+      rev    = "c1abd3b02cab235334342f3520e2535eb74c5792";
+      sha256 = "0pzrplv4p0qzy115rg19lxv4w274iby337zfd7hhlinnpx3gzqvw";
       name   = "yosys";
     })
+
+    # NOTE: the version of abc used here is synchronized with
+    # the one in the yosys Makefile of the version above;
+    # keep them the same for quality purposes.
     (fetchFromBitbucket {
       owner  = "alanmi";
       repo   = "abc";
@@ -27,6 +33,12 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ tcl readline libffi python3 bison flex ];
+
+  patchPhase = ''
+    substituteInPlace ./Makefile \
+      --replace 'echo UNKNOWN' 'echo ${substring 0 10 (elemAt srcs 0).rev}'
+  '';
+
   preBuild = ''
     chmod -R u+w ../yosys-abc
     ln -s ../yosys-abc abc