From de8b1a1b71d528b0eb77f97c18b5c4f197f333b2 Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Sat, 10 Apr 2021 13:33:26 +0200
Subject: [PATCH] overlay/zstd: do not build tests

---
 overlay/default.nix | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/overlay/default.nix b/overlay/default.nix
index faec51f..fc3a0a8 100644
--- a/overlay/default.nix
+++ b/overlay/default.nix
@@ -247,4 +247,19 @@ in nullPkgs // {
     '';
   }) zlib;
 
+  zstd = let
+    static = true;
+    legacySupport = false;
+  in overrideAttrsHost (attrs: rec {
+    cmakeFlags = lib.attrsets.mapAttrsToList
+      (name: value: "-DZSTD_${name}:BOOL=${if value then "ON" else "OFF"}") {
+        BUILD_SHARED = !static;
+        BUILD_STATIC = static;
+        PROGRAMS_LINK_SHARED = !static;
+        LEGACY_SUPPORT = legacySupport;
+        BUILD_TESTS = doCheck;
+      };
+    doCheck = stdenv.hostPlatform == stdenv.buildPlatform;
+  }) prev.zstd;
+
 }