From 976ee287c863520e0fae4518b51d1e254a732bc2 Mon Sep 17 00:00:00 2001
From: Andrew Childs <lorne@cons.org.nz>
Date: Wed, 26 May 2021 22:39:23 +0900
Subject: [PATCH] bmake: fix build on darwin

---
 .../tools/build-managers/bmake/default.nix    | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/pkgs/development/tools/build-managers/bmake/default.nix b/pkgs/development/tools/build-managers/bmake/default.nix
index e79e06a71f4e..d2b0e5a45dba 100644
--- a/pkgs/development/tools/build-managers/bmake/default.nix
+++ b/pkgs/development/tools/build-managers/bmake/default.nix
@@ -18,6 +18,31 @@ stdenv.mkDerivation rec {
     ./fix-unexport-env-test.patch
   ];
 
+  # The generated makefile is a small wrapper for calling ./boot-strap
+  # with a given op. On a case-insensitive filesystem this generated
+  # makefile clobbers a distinct, shipped, Makefile and causes
+  # infinite recursion during tests which eventually fail with
+  # "fork: Resource temporarily unavailable"
+  configureFlags = [
+    "--without-makefile"
+  ];
+
+  buildPhase = ''
+    runHook preBuild
+
+    ./boot-strap --prefix=$out -o . op=build
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    ./boot-strap --prefix=$out -o . op=install
+
+    runHook postInstall
+  '';
+
   setupHook = ./setup-hook.sh;
 
   meta = with lib; {