bitbang: Fix FTBFS with GCC 10
authorAndreas Fritiofson <andreas.fritiofson@gmail.com>
Fri, 17 Apr 2020 11:49:28 +0000 (13:49 +0200)
committerAntonio Borneo <borneo.antonio@gmail.com>
Fri, 24 Apr 2020 16:44:13 +0000 (17:44 +0100)
commitc60252ac2b636c4d99b766a574b9df0966151696
treed245d2c433912779982b9aff812f00abb3551c1a
parentbed0215573269cd9f85d23eaa15a27ce13a53e87
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