Description: <short summary of the patch>
 TODO: Put a short summary on the line above and replace this paragraph
 with a longer explanation of this change. Complete the meta-information
 with other relevant fields (see below for details). To make it easier, the
 information below has been extracted from the changelog. Adjust it or drop
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 .
 perl-byacc (2.0-9) unstable; urgency=medium
 .
   * QA upload.
 .
   * Updated vcs in d/control to Salsa.
   * Added d/gbp.conf to enforce the use of pristine-tar.
   * Updated Standards-Version from 3.9.8 to 4.7.0.
   * Moved to debhelper compat level 13 and enabled hardening and reproducible build.
Author: Petter Reinholdtsen <pere@debian.org>

---
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Bug: <upstream-bugtracker-url>
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Last-Update: 2024-04-25

--- perl-byacc-2.0.orig/main.c
+++ perl-byacc-2.0/main.c
@@ -1,5 +1,6 @@
 #include "defs.h"
 #include <signal.h>
+#include <unistd.h>
 
 #define VERSION "Berkeley yacc version 1.8.2 (C or perl)"