From 5badc25f5839346bfaa9983855850891d7346fc8 Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Sun, 14 Nov 2021 22:12:01 +0000
Subject: [PATCH] pcl: fix build on aarch64

---
 pkgs/development/libraries/pcl/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/libraries/pcl/default.nix b/pkgs/development/libraries/pcl/default.nix
index ee8f4dfe2e0a..8afcdbf33f23 100644
--- a/pkgs/development/libraries/pcl/default.nix
+++ b/pkgs/development/libraries/pcl/default.nix
@@ -32,6 +32,12 @@ stdenv.mkDerivation rec {
     sha256 = "0jhvciaw43y6iqqk7hyxnfhn1b4bsw5fpy04s01r5pkcsjjbdbqc";
   };
 
+  # remove attempt to prevent (x86/x87-specific) extended precision use
+  # when SSE not detected
+  postPatch = lib.optionalString (!(stdenv.isi686 || stdenv.isx86_64)) ''
+    sed -i '/-ffloat-store/d' cmake/pcl_find_sse.cmake
+  '';
+
   nativeBuildInputs = [ pkg-config cmake wrapQtAppsHook ];
   buildInputs = [
     eigen