Makefile.in | 4 2 + 2 - 0 !
common/sub/expr_gram.y | 2 2 + 0 - 0 !
2 files changed, 4 insertions(+), 2 deletions(-)

 sanitize bison usage
 use
   %define api.prefix {...}
 instead of crude
   sed -e 's/[yY][yY]/.../g'

 Thanks to Akim Demaille for the hint! (#960608)

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

 configure can't cope with option `--runstatedir=/run` ... just don't make it fail

common/compare.c | 2 1 + 1 - 0 !
1 file changed, 1 insertion(+), 1 deletion(-)

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