From 42c89295db3ea0e5629a745c01c856bb728864fd Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Thu, 26 Nov 2020 11:02:45 -0800
Subject: [PATCH] aws-c-common: fix build with cmake 3.19

---
 pkgs/development/libraries/aws-c-common/default.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/aws-c-common/default.nix b/pkgs/development/libraries/aws-c-common/default.nix
index b028813558f..6470566d5c7 100644
--- a/pkgs/development/libraries/aws-c-common/default.nix
+++ b/pkgs/development/libraries/aws-c-common/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake }:
+{ lib, stdenv, fetchFromGitHub, cmake, fetchpatch }:
 
 stdenv.mkDerivation rec {
   pname = "aws-c-common";
@@ -13,6 +13,15 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
+  # can be removed once https://github.com/awslabs/aws-c-common/pull/735 gets merged, and version bumped
+  patches = [
+    (fetchpatch {
+      name = "fix-re-export-of-target.patch";
+      url = "https://github.com/awslabs/aws-c-common/pull/735/commits/3fca5c629ce0c4d66f50f7152685f3fe73941cb4.patch";
+      sha256 = "056f9kyg1c4lwjq8n0r28w1n3zbwrwpi1wbqabk99gaayg46x35a";
+    })
+  ];
+
   NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin
     "-Wno-nullability-extension -Wno-typedef-redefinition";