From 160d7bed45316496a9b2b1de103bf326bbb4ff3c Mon Sep 17 00:00:00 2001
From: Benjamin Porter <FreedomBen@users.noreply.github.com>
Date: Sun, 26 Apr 2020 10:52:50 -0600
Subject: [PATCH] Fix compile error on GCC 10 (Fedora 32)

GCC 10 complains about the unused variable called "unused"

Adding `extern` to the declarations fixes the error.

Fixes #301
---
 compat-pledge.c       | 2 +-
 compat-reallocarray.c | 2 +-
 compat-strtonum.c     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/compat-pledge.c b/compat-pledge.c
index 26676997..25dacf9f 100644
--- a/compat-pledge.c
+++ b/compat-pledge.c
@@ -1,6 +1,6 @@
 #include "config.h"
 
-int unused;
+extern int unused;
 
 #ifndef HAVE_PLEDGE
 
diff --git a/compat-reallocarray.c b/compat-reallocarray.c
index 109832df..9a7406b7 100644
--- a/compat-reallocarray.c
+++ b/compat-reallocarray.c
@@ -1,6 +1,6 @@
 #include "config.h"
 
-int unused;
+extern int unused;
 
 #ifndef HAVE_REALLOCARRAY
 
diff --git a/compat-strtonum.c b/compat-strtonum.c
index 411de46a..e1c3b5e7 100644
--- a/compat-strtonum.c
+++ b/compat-strtonum.c
@@ -1,6 +1,6 @@
 #include "config.h"
 
-int unused;
+extern int unused;
 
 #ifndef HAVE_STRTONUM