From 2d7031a82ab29a46dadcda5e8c8645b62967f699 Mon Sep 17 00:00:00 2001
From: Luna Nova <git@lunnova.dev>
Date: Sat, 12 Sep 2026 11:18:44 -0700
Subject: [PATCH] bcc: remove refs to LLVM static libs that bloated closure by
 2G

---
 pkgs/by-name/bc/bcc/package.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/by-name/bc/bcc/package.nix b/pkgs/by-name/bc/bcc/package.nix
index 8f1b3f9d310d..97536fffdeaa 100644
--- a/pkgs/by-name/bc/bcc/package.nix
+++ b/pkgs/by-name/bc/bcc/package.nix
@@ -16,6 +16,7 @@
   nixosTests,
   python3Packages,
   readline,
+  removeReferencesTo,
   replaceVars,
   zip,
 }:
@@ -55,6 +56,7 @@ python3Packages.buildPythonApplication rec {
     flex
     llvmPackages.llvm
     makeWrapper
+    removeReferencesTo
     zip
   ];
 
@@ -112,8 +114,17 @@ python3Packages.buildPythonApplication rec {
 
   postFixup = ''
     wrapPythonProgramsIn "$out/share/bcc/tools" "$out ''${pythonPath[*]}"
+  ''
+  # Remove string refs to LLVM static libs that are unused at runtime and bloat closure by 2G
+  + ''
+    remove-references-to -t ${lib.getLib llvmPackages.llvm} -t ${lib.getLib llvmPackages.libclang} $out/lib/libbcc.so.*
   '';
 
+  disallowedReferences = [
+    (lib.getLib llvmPackages.llvm)
+    (lib.getLib llvmPackages.libclang)
+  ];
+
   outputs = [
     "out"
     "man"