From 3fdf8a8f68b98831a068736d220f920dca4460ed Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.ross@midstall.com>
Date: Thu, 25 Jul 2024 13:28:29 -0700
Subject: [PATCH] sourceHighlight: fix tests with llvm

---
 pkgs/tools/text/source-highlight/default.nix | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/text/source-highlight/default.nix b/pkgs/tools/text/source-highlight/default.nix
index 07ed74f91c73..715b9d8ce91d 100644
--- a/pkgs/tools/text/source-highlight/default.nix
+++ b/pkgs/tools/text/source-highlight/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchpatch, fetchurl, boost, updateAutotoolsGnuConfigScriptsHook }:
+{ lib, stdenv, fetchpatch, fetchurl, boost, updateAutotoolsGnuConfigScriptsHook, llvmPackages }:
 
 stdenv.mkDerivation rec {
   pname = "source-highlight";
@@ -46,7 +46,10 @@ stdenv.mkDerivation rec {
   # necessary to build on FreeBSD native pending inclusion of
   # https://git.savannah.gnu.org/cgit/config.git/commit/?id=e4786449e1c26716e3f9ea182caf472e4dbc96e0
   nativeBuildInputs = [ updateAutotoolsGnuConfigScriptsHook ];
-  buildInputs = [ boost ];
+  buildInputs = [ boost ]
+    ++ lib.optional (stdenv.targetPlatform.useLLVM or false) (llvmPackages.compiler-rt.override {
+      doFakeLibgcc = true;
+    });
 
   configureFlags = [
     "--with-boost=${boost.out}"
@@ -71,4 +74,7 @@ stdenv.mkDerivation rec {
     platforms = platforms.unix;
     maintainers = with maintainers; [ SuperSandro2000 ];
   };
+} // lib.optionalAttrs (stdenv.targetPlatform.useLLVM or false) {
+  # Force linking to "libgcc" so tests pass
+  NIX_CFLAGS_COMPILE = "-lgcc";
 }