Makefile | 2 1 + 1 - 0 !
1 file changed, 1 insertion(+), 1 deletion(-)

 avoid closure-compiler
 closure-compiler is too ancient in Debian

exports.py | 2 1 + 1 - 0 !
1 file changed, 1 insertion(+), 1 deletion(-)

 explicitly use python3

Makefile | 5 0 + 5 - 0 !
1 file changed, 5 deletions(-)

 drop custom compiler flags

Makefile | 5 5 + 0 - 0 !
1 file changed, 5 insertions(+)

 workaround failing documentation build on ppc64el