scons: Remove -Werror for the gem5 21.1 release

While gem5 compiles on all our supported compilers, removing the -Werror
flag on the stable branch ensures that, as new compilers are released
with stricters warnings, gem5 remains compilable.

Change-Id: If306785e3f0822e1c435e1f10bf507a9e7a87eb6
Reviewed-by: Bobby R. Bruce <>
Maintainer: Bobby R. Bruce <>
Tested-by: kokoro <>
1 file changed