From a55c66c6ae15576e65155eb545ebeb8702961f1f Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Mon, 4 Mar 2019 12:00:11 -0600
Subject: [PATCH] linuxPackages.bcc: fix build

flex is needed as buildInput too (headers, libfl),
recent strictDeps change in python caught this.

Fixes #56724
---
 pkgs/os-specific/linux/bcc/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/os-specific/linux/bcc/default.nix b/pkgs/os-specific/linux/bcc/default.nix
index d66c5dad771..885de8163be 100644
--- a/pkgs/os-specific/linux/bcc/default.nix
+++ b/pkgs/os-specific/linux/bcc/default.nix
@@ -19,7 +19,7 @@ python.pkgs.buildPythonApplication rec {
   buildInputs = [
     llvmPackages.llvm llvmPackages.clang-unwrapped kernel
     elfutils luajit netperf iperf
-    systemtap.stapBuild
+    systemtap.stapBuild flex
   ];
 
   patches = [