From 3c9253463973a5fdba463265dcfc9cc2c515b145 Mon Sep 17 00:00:00 2001
From: Alex James <git@alextjam.es>
Date: Tue, 13 May 2025 20:54:36 -0500
Subject: [PATCH] pcl: limit libopenmp dependency to Clang

---
 pkgs/by-name/pc/pcl/package.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/pc/pcl/package.nix b/pkgs/by-name/pc/pcl/package.nix
index cd99ff04647c..f57975508c8e 100644
--- a/pkgs/by-name/pc/pcl/package.nix
+++ b/pkgs/by-name/pc/pcl/package.nix
@@ -41,6 +41,8 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-UCuQMWGwe+YxeGj0Y6m5IT58NW2lAWN5RqyZnvyFSr4=";
   };
 
+  strictDeps = true;
+
   # remove attempt to prevent (x86/x87-specific) extended precision use
   # when SSE not detected
   postPatch = lib.optionalString (!stdenv.hostPlatform.isx86) ''
@@ -59,8 +61,7 @@ stdenv.mkDerivation (finalAttrs: {
     libpcap
     libsForQt5.qtbase
     libusb1
-    llvmPackages.openmp
-  ];
+  ] ++ lib.optionals stdenv.cc.isClang [ llvmPackages.openmp ];
 
   propagatedBuildInputs = [
     boost