Rémi Bernon (@rbernon) commented about configure:
then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++11 features" >&5 printf %s "checking for $CXX option to enable C++11 features... " >&6; } -if test ${ac_cv_prog_cxx_cxx11+y} +if test ${ac_cv_prog_cxx_11+y} then : printf %s "(cached) " >&6 else $as_nop
- ac_cv_prog_cxx_cxx11=no
- ac_cv_prog_cxx_11=no
ac_save_CXX=$CXX
You don't have to, and should not commit configure changes (for reasons like here, this is an unrelated change).