diff --git a/fping-4.2-gcc10-extern.patch b/fping-4.2-gcc10-extern.patch
new file mode 100644
index 0000000..3ad0c64
--- /dev/null
+++ b/fping-4.2-gcc10-extern.patch
@@ -0,0 +1,12 @@
+diff -up fping-4.2/src/fping.h.extern fping-4.2/src/fping.h
+--- fping-4.2/src/fping.h.extern	2019-02-19 16:00:09.000000000 -0500
++++ fping-4.2/src/fping.h	2020-02-02 00:19:02.613997883 -0500
+@@ -11,7 +11,7 @@
+ void crash_and_burn( char *message );
+ void errno_crash_and_burn( char *message );
+ int in_cksum( unsigned short *p, int n );
+-int random_data_flag;
++extern int random_data_flag;
+ 
+ /* socket.c */
+ int  open_ping_socket_ipv4();
diff --git a/fping.spec b/fping.spec
index 9bb3e8c..5b17709 100644
--- a/fping.spec
+++ b/fping.spec
@@ -2,11 +2,12 @@
 
 Name: fping
 Version: 4.2
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: Scriptable, parallelized ping-like utility
 License: BSD with advertising
 URL: http://www.fping.org/
 Source0: http://fping.org/dist/%{name}-%{version}.tar.gz
+Patch0: fping-4.2-gcc10-extern.patch
 
 BuildRequires: gcc
 
@@ -17,7 +18,7 @@ monitoring of large numbers of systems, and is developed with ease of
 use in scripting in mind.
 
 %prep
-%autosetup
+%autosetup -p1
 
 %build
 %configure
@@ -33,6 +34,9 @@ use in scripting in mind.
 %{_mandir}/man8/*
 
 %changelog
+* Sun Feb  2 2020 Charles R. Anderson <cra@wpi.edu> - 4.2-3
+- Patch for GCC 10 requirement to use extern in header files when declaring global variables
+
 * Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 4.2-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild