From 792cb4f9d13450251c6344eed2b35f382c98df0d Mon Sep 17 00:00:00 2001
From: Alex Kiernan <alexk@zuma.ai>
Date: Thu, 19 Jan 2023 13:00:45 +0000
Subject: [PATCH] wscript: Add BISONFLAGS support

---
 wscript | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/wscript b/wscript
index 7329d6e46889..de51f1e9cdd9 100644
--- a/wscript
+++ b/wscript
@@ -140,6 +140,7 @@ def configure(ctx):
     # Ensure m4 is present, or bison will fail with SIGPIPE
     ctx.find_program('m4')
     ctx.load('bison')
+    ctx.add_os_flags('BISONFLAGS')
 
     for opt in opt_map:
         ctx.env[opt] = opt_map[opt]
@@ -911,6 +912,7 @@ int main(int argc, char **argv) {
     msg_setting("CFLAGS", " ".join(ctx.env.CFLAGS))
     msg_setting("LDFLAGS", " ".join(ctx.env.LDFLAGS))
     msg_setting("LINKFLAGS_NTPD", " ".join(ctx.env.LINKFLAGS_NTPD))
+    msg_setting("BISONFLAGS", ctx.env.BISONFLAGS)
     msg_setting("PREFIX", ctx.env.PREFIX)
     msg_setting("LIBDIR", ctx.env.LIBDIR)
     msg_setting("Droproot Support", droproot_type)