diff --git a/0001-bitbang-Fix-FTBFS-with-GCC-10.patch b/0001-bitbang-Fix-FTBFS-with-GCC-10.patch
new file mode 100644
index 0000000..0ed274d
--- /dev/null
+++ b/0001-bitbang-Fix-FTBFS-with-GCC-10.patch
@@ -0,0 +1,34 @@
+From c60252ac2b636c4d99b766a574b9df0966151696 Mon Sep 17 00:00:00 2001
+From: Andreas Fritiofson <andreas.fritiofson@gmail.com>
+Date: Fri, 17 Apr 2020 13:49:28 +0200
+Subject: [PATCH] bitbang: Fix FTBFS with GCC 10
+
+GCC 10 defaults to -fno-common which breaks the sharing of bitbang_swd
+struct between bitbang drivers due to a missing extern.
+
+Change-Id: I2b4122f7939cec91a72284006748f99a23548324
+Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
+Reviewed-on: http://openocd.zylin.com/5592
+Tested-by: jenkins
+Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
+Reviewed-by: Jonathan McDowell <noodles-openocd@earth.li>
+---
+ src/jtag/drivers/bitbang.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/jtag/drivers/bitbang.h b/src/jtag/drivers/bitbang.h
+index edb779ca..bbbc693d 100644
+--- a/src/jtag/drivers/bitbang.h
++++ b/src/jtag/drivers/bitbang.h
+@@ -56,7 +56,7 @@ struct bitbang_interface {
+ 	void (*swdio_drive)(bool on);
+ };
+ 
+-const struct swd_driver bitbang_swd;
++extern const struct swd_driver bitbang_swd;
+ 
+ extern bool swd_mode;
+ 
+-- 
+2.25.0
+
diff --git a/openocd.changes b/openocd.changes
index e5fe2ea..34a011d 100644
--- a/openocd.changes
+++ b/openocd.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Jun  7 08:31:54 UTC 2020 - Matwey Kornilov <matwey.kornilov@gmail.com>
+
+- Add 0001-bitbang-Fix-FTBFS-with-GCC-10.patch: fix building for gcc 10
+
 -------------------------------------------------------------------
 Mon Feb  3 15:14:43 UTC 2020 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/openocd.spec b/openocd.spec
index 8158ad1..61e6359 100644
--- a/openocd.spec
+++ b/openocd.spec
@@ -36,6 +36,7 @@ Source0:        http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.
 Source1:        http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.bz2.sig
 Source2:        http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.bz2.sha1
 Source3:        %name.keyring
+Patch0:         0001-bitbang-Fix-FTBFS-with-GCC-10.patch
 BuildRequires:  autoconf >= 2.64
 BuildRequires:  automake
 BuildRequires:  fdupes
@@ -81,6 +82,7 @@ This package provides hardware description files and documentation.
 
 %prep
 %setup -q
+%patch0 -p1
 
 %build
 %if !%{external_jimtcl}