Bruno Haible <br...@clisp.org> wrote: > Jim Meyering wrote: >> I'm reverting this patch, >> >> http://git.sv.gnu.org/gitweb/?p=gnulib.git;a=commitdiff;h=e48d8b47fb3eee8 >> >> since with the upcoming gcc-4.4 it causes a compilation error: >> >> regex_internal.h:189:55: error: integer overflow in preprocessor >> expression > > Looks right to me, too. > > Just for the record, "integer overflow in preprocessor expression" is a > warning, that becomes an error only if -Werror or -pedantic-errors is used. > [1][2] > > gnulib tries to avoid warnings on glibc systems, but does not guarantee > their complete absence.[3]
Right. The difference is that I require a warning-free build in coreutils/src/, and hence use -Werror there. With the newer gcc, this public header from gnulib evoked a warning (error-for-me) while building in src/.
