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Postings from June 2019
On Wed, 12 Jun 2019 15:41:24 +0100, ilmari@ilmari.org (Dagfinn Ilmari Mannsåker) wrote: > sisyphus <sisyphus359@gmail.com> writes: > > > On Wed, Jun 12, 2019 at 10:41 PM Dagfinn Ilmari Mannsåker > > <ilmari@ilmari.org> wrote: > > > >> sisyphus <sisyphus359@gmail.com> writes: > >> > [...] > >> > >> Looking at the comments and code in perl.h, you can disable it by > >> passing -Accflags=-DUSE_PERL_ATOF=0 to Configure. > > > > Thanks. > > I've tested, and I can verify that does remove "USE_PERL_ATOF" > > from the "perl -V" output. > > > > But does configuring perl-5.30.0 with the > > "-Accflags=-DUSE_PERL_ATOF=0" argument alter perl's functionality > > in any way ? > > Looking at the code and comments in perl.h again > (https://github.com/perl/perl5/blob/maint-5.30/perl.h#L2353-L2378), > the difference is that it uses the system atof() function instead of > the perl-provided one: > > #ifdef USE_PERL_ATOF > # define Perl_atof(s) Perl_my_atof(s) > # define Perl_atof2(s, n) Perl_my_atof3(aTHX_ (s), &(n), 0) > #else > # define Perl_atof(s) (NV)atof(s) > # define Perl_atof2(s, n) ((n) = atof(s)) > #endif > #define my_atof2(a,b) my_atof3(a,b,0) Isn't that contradicting with -Accflags=-DUSE_PERL_ATOF=0 ? Shouldn't the define be #if instead of #ifdef then? > - ilmari -- H.Merijn Brand http://tux.nl Perl Monger http://amsterdam.pm.org/ using perl5.00307 .. 5.29 porting perl5 on HP-UX, AIX, and openSUSE http://mirrors.develooper.com/hpux/ http://www.test-smoke.org/ http://qa.perl.org http://www.goldmark.org/jeff/stupid-disclaimers/Thread Previous | Thread Next