From 8a999d15ebfb929a5f5fc5b08be6a23848f29710 Mon Sep 17 00:00:00 2001
From: Patrick Hilhorst <git@hilhorst.be>
Date: Tue, 5 Jun 2018 20:06:09 +0200
Subject: [PATCH] iasl: integrate upstream patch for acpica/acpica#387 (#41481)

---
 pkgs/development/compilers/iasl/default.nix | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/compilers/iasl/default.nix b/pkgs/development/compilers/iasl/default.nix
index 535b1a33d13e..b923f7f65192 100644
--- a/pkgs/development/compilers/iasl/default.nix
+++ b/pkgs/development/compilers/iasl/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, bison, flex}:
+{stdenv, fetchurl, fetchpatch, bison, flex}:
 
 stdenv.mkDerivation rec {
   name = "iasl-${version}";
@@ -11,14 +11,18 @@ stdenv.mkDerivation rec {
 
   NIX_CFLAGS_COMPILE = [
     "-O3"
-    # See: https://github.com/acpica/acpica/issues/387:
-    "-Wno-error=format-overflow"
   ];
 
   buildFlags = "iasl";
 
   buildInputs = [ bison flex ];
 
+  patches = fetchpatch {
+    /* https://github.com/acpica/acpica/pull/389 */
+    url = "https://github.com/acpica/acpica/commit/935ca65f7806a3ef9bd02a947e50f3a1f586ac67.patch";
+    sha256 = "0jz4bakifphm425shbd1j99hldgy71m7scl8mwibm441d56l3ydf";
+  };
+
   installPhase =
     ''
       install -d $out/bin