+ x make $mflags clean
+ if [ "x$1" != x. ]; then
+ find -type f
+ else
+ git-ls-files -o
+ fi | perl -ne '
+ s{^\./}{};
+ s{^}{/};
+ next if m{^/ct-files$};
+ next if m{^/autom4te\.cache/};
+ next if m{/Makefile$};
+ next if m{\.mk$};
+ next if m{^/common\.make$};
+ next if m{^/(?:config|\.makefiles)\.stamp$};
+ next if m{^/config\.(?:log|status|h)$};
+ warn "clean in '"$1"' missed $_";
+ $bad=1;
+ END { exit $bad; }
+ '