From ab8e2e46d9e0e7be3158b473c4b59fec8f79287b Mon Sep 17 00:00:00 2001
From: Arthur Gautier <baloo@superbaloo.net>
Date: Tue, 11 May 2021 12:01:35 +0000
Subject: [PATCH] hashcat: fixup opencl support (#121961)

This fixes the following compilation error:
```
clBuildProgram(): CL_BUILD_PROGRAM_FAILURE

/run/user/1000/comgr-64ff7f/input/CompileSource:2252:18: fatal error:
cannot open file
'/run/user/1000/comgr-64ff7f/input/inc_comp_multi_bs.cl': No such file
or directory
        #include COMPARE_M
                 ^
/run/user/1000/comgr-64ff7f/input/CompileSource:16:19: note: expanded
from macro 'COMPARE_M'
                  ^
1 error generated.
Error: Failed to compile opencl source (from CL or HIP source to LLVM
IR).
```

Signed-off-by: Arthur Gautier <baloo@superbaloo.net>
---
 pkgs/tools/security/hashcat/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/tools/security/hashcat/default.nix b/pkgs/tools/security/hashcat/default.nix
index 173fdc8b18d2..ba46fbde2d62 100644
--- a/pkgs/tools/security/hashcat/default.nix
+++ b/pkgs/tools/security/hashcat/default.nix
@@ -28,7 +28,9 @@ stdenv.mkDerivation rec {
 
   preFixup = ''
     for f in $out/share/hashcat/OpenCL/*.cl; do
+      # Rewrite files to be included for compilation at runtime for opencl offload
       sed "s|#include \"\(.*\)\"|#include \"$out/share/hashcat/OpenCL/\1\"|g" -i "$f"
+      sed "s|#define COMPARE_\([SM]\) \"\(.*\.cl\)\"|#define COMPARE_\1 \"$out/share/hashcat/OpenCL/\2\"|g" -i "$f"
     done
   '';