From 12ab4c330373c58284e936798e6db1f5a325d81f Mon Sep 17 00:00:00 2001
From: Lancelot SIX <lsix@lancelotsix.com>
Date: Thu, 24 Jan 2019 22:23:22 +0100
Subject: [PATCH] libLAS: fix build

---
 pkgs/development/libraries/libLAS/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/libLAS/default.nix b/pkgs/development/libraries/libLAS/default.nix
index 7bd2a1ec5738..15ef9ee890a6 100644
--- a/pkgs/development/libraries/libLAS/default.nix
+++ b/pkgs/development/libraries/libLAS/default.nix
@@ -16,6 +16,7 @@ stdenv.mkDerivation rec {
     "-DGDAL_CONFIG=${gdal}/bin/gdal-config"
     "-DWITH_LASZIP=ON"
     "-DLASZIP_INCLUDE_DIR=${LASzip}/include"
+    "-DCMAKE_EXE_LINKER_FLAGS=-pthread"
   ];
 
   postFixup = stdenv.lib.optionalString stdenv.isDarwin ''