p7zip: fix purity on Darwin

This should (I hope) get Hydra to build it. Fixes #24714
NixOS · Apr 7, 2017 · 9ae3f39 · 9ae3f39 · copumpkin · Apr 7, 2017
1 parent b9e5585
commit 9ae3f39
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/pkgs/tools/archivers/p7zip/default.nix b/pkgs/tools/archivers/p7zip/default.nix
@@ -16,6 +16,14 @@ stdenv.mkDerivation rec {
     })
   ];
 
+  # Default makefile is full of impurities on Darwin. The patch doesn't hurt Linux so I'm leaving it unconditional
+  postPatch = ''
+    sed -i '/CC=\/usr/d' makefile.macosx_llvm_64bits
+
+    # I think this is a typo and should be CXX? Either way let's kill it
+    sed -i '/XX=\/usr/d' makefile.macosx_llvm_64bits
+  '';
+
   preConfigure = ''
     makeFlagsArray=(DEST_HOME=$out)
     buildFlags=all3