newer gcc versions generate ".section .text" instead of just ".text"
in their assembler output. This patch makes sure that we don't end up
with a superfluous ".section" that makes the build fail.
Add -Wno-unused-but-set-variable to CFLAGS if the flag exists.
Change-Id: I7f24c987433cc5886dde2af27498d3331cbda303
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/252
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
8d427ece81