Bug #127014 for ExtUtils-MakeMaker: warning: nonnull parameter 'pv' will evaluate to 'true' on first encounter

> > Fri Aug 31 17:12:30 2018: Request 127014 was acted upon. > Transaction: Ticket created by jeff.holt@method-r.com > Queue: ExtUtils-MakeMaker > Subject: warning: nonnull parameter 'pv' will evaluate to 'true' on first encounter > Broken in: (no value) > Severity: (no value) > Owner: Nobody > Requestors: jeff.holt@method-r.com > Status: new > Ticket <URL: https://rt.cpan.org/Ticket/Display.html?id=127014 > > > > SUMMARY > > I cannot tell if this is an XS bug or a ExtUtils::MakeMaker bug. > > DETAILS > > Below is the output of the following script, with some whitespace added > between command executions. > > perl -MExtUtils::MakeMaker -e 'print $ExtUtils::MakeMaker::VERSION'; > cat Makefile.PL > cat test.xs > perl Makefile.PL > make > perl -v > uname -a > gcc --version > perl -V > > > > > $ perl -MExtUtils::MakeMaker -e 'print $ExtUtils::MakeMaker::VERSION'; > 7.34 > > > > > $ cat Makefile.PL > use ExtUtils::MakeMaker; > WriteMakefile(NAME=>'test', VERSION=>'0.15'); > > > > > $ cat test.xs > #include "EXTERN.h" > #include "perl.h" > #include "XSUB.h" > > MODULE = test PACKAGE = test > > void > testf() > PROTOTYPE: DISABLE > PREINIT: > int something = 0; > CODE: > something = 1; > > > > > > $ perl Makefile.PL > Generating a Unix-style Makefile > Writing Makefile for test > Writing MYMETA.yml and MYMETA.json > > > > > > $ make > Running Mkbootstrap for test () > chmod 644 "test.bs" > "/usr/local/ActivePerl-5.20/bin/perl-dynamic" -MExtUtils::Command::MM -e > 'cp_nonempty' -- test.bs blib/arch/auto/test/test.bs 644 > "/usr/local/ActivePerl-5.20/bin/perl-dynamic" > "/usr/local/ActivePerl-5.20/lib/ExtUtils/xsubpp" > -typemap '/usr/local/ActivePerl-5.20/lib/ExtUtils/typemap' test.xs > > test.xsc > mv test.xsc test.c > /Applications/Xcode.app/Contents/Developer/usr/bin/gcc -c -fno-common > -DPERL_DARWIN -no-cpp-precomp -arch x86_64 -DUSE_SITECUSTOMIZE > -DPERL_RELOCATABLE_INCPUSH -fno-strict-aliasing -pipe -fstack-protector > -O3 -DVERSION=\"0.15\" -DXS_VERSION=\"0.15\" > "-I/usr/local/ActivePerl-5.20/lib/CORE" test.c > In file included from test.xs:2: > In file included from /usr/local/ActivePerl-5.20/lib/CORE/perl.h:5199: > /usr/local/ActivePerl-5.20/lib/CORE/inline.h:311:9: warning: nonnull > parameter 'pv' will evaluate to 'true' on first encounter > [-Wpointer-bool-conversion] > if (pv && len > 1) { > ^~ ~~ > /usr/local/ActivePerl-5.20/lib/CORE/proto.h:1792:4: note: declared > 'nonnull' here > __attribute__nonnull__(pTHX_1) > ^ > /usr/local/ActivePerl-5.20/lib/CORE/perl.h:3100:60: note: expanded from > macro '__attribute__nonnull__' > # define __attribute__nonnull__(a) __attribute__((nonnull(a))) > ^ > 1 warning generated. > rm -f blib/arch/auto/test/test.bundle > gcc -mmacosx-version-min=10.5 -bundle -undefined dynamic_lookup > -Wl,-search_paths_first -arch x86_64 -fstack-protector test.o -o > blib/arch/auto/test/test.bundle \ > \ > > ld: warning: object file (test.o) was built for newer OSX version (10.13) > than being linked (10.5) > chmod 755 blib/arch/auto/test/test.bundle > > > > > > $ perl -v > > This is perl 5, version 20, subversion 2 (v5.20.2) built for > darwin-thread-multi-2level > (with 1 registered patch, see perl -V for more detail) > > Copyright 1987-2015, Larry Wall > > Binary build 2001 [298913] provided by ActiveState http://www. > ActiveState.com <http://www.activestate.com/> > Built Mar 19 2015 15:36:06 > > Perl may be copied only under the terms of either the Artistic License or > the > GNU General Public License, which may be found in the Perl 5 source kit. > > Complete documentation for Perl, including FAQ lists, should be found on > this system using "man perl" or "perldoc perl". If you have access to the > Internet, point your browser at http://www.perl.org/, the Perl Home Page. > > > > $ uname -a > Darwin MacBook-Pro 17.7.0 Darwin Kernel Version 17.7.0: Fri Jul 6 19:54:51 > PDT 2018; root:xnu-4570.71.3~2/RELEASE_X86_64 x86_64 > > > > $ gcc --version > Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr > --with-gxx-include-dir=/usr/include/c++/4.2.1 > Apple LLVM version 9.1.0 (clang-902.0.39.2) > Target: x86_64-apple-darwin17.7.0 > Thread model: posix > InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeD > efault.xctoolchain/usr/bin > > > $ perl -V > Summary of my perl5 (revision 5 version 20 subversion 2) configuration: > > Platform: > osname=darwin, osvers=10.8.0, archname=darwin-thread-multi-2level > uname='darwin neko 10.8.0 darwin kernel version 10.8.0: tue jun 7 > 16:33:36 pdt 2011; root:xnu-1504.15.3~1release_i386 i386 ' > config_args='-ders -Dcc=gcc -Dusethreads -Duseithreads > -Uinstallusrbinperl -Ulocincpth= -Uloclibpth= -Duse64bitint -Ud_poll > -Ui_poll -Ui_libutil -Aldflags=-Wl,-search_paths_first > -Alddlflags=-Wl,-search_paths_first -Accflags=-arch x86_64 -Aldflags=-arch > x86_64 -Alddlflags=-arch x86_64 -Accflags=-DUSE_SITECUSTOMIZE > -Duselargefiles -Accflags=-DPERL_RELOCATABLE_INCPUSH > -Accflags=-fno-merge-constants -Dprefix=/usr/local/ActivePerl-5.20 > -Dprivlib=/usr/local/ActivePerl-5.20/lib > -Darchlib=/usr/local/ActivePerl-5.20/lib > -Dsiteprefix=/usr/local/ActivePerl-5.20/site > -Dsitelib=/usr/local/ActivePerl-5.20/site/lib > -Dsitearch=/usr/local/ActivePerl-5.20/site/lib -Dsed=/usr/bin/sed > -Duseshrplib -Dcf_by=ActiveState -Dcf_email=support@ActiveState.com' > hint=recommended, useposix=true, d_sigaction=define > useithreads=define, usemultiplicity=define > use64bitint=define, use64bitall=define, uselongdouble=undef > usemymalloc=n, bincompat5005=undef > Compiler: > cc='/Applications/Xcode.app/Contents/Developer/usr/bin/gcc', ccflags > ='-fno-common -DPERL_DARWIN -no-cpp-precomp -arch x86_64 > -DUSE_SITECUSTOMIZE -DPERL_RELOCATABLE_INCPUSH -fno-strict-aliasing -pipe > -fstack-protector', > optimize='-O3', > cppflags='-no-cpp-precomp -fno-common -DPERL_DARWIN -no-cpp-precomp > -arch x86_64 -DUSE_SITECUSTOMIZE -DPERL_RELOCATABLE_INCPUSH > -fno-merge-constants -fno-strict-aliasing -pipe -fstack-protector' > ccversion='', gccversion='Apple LLVM version 9.1.0 (clang-902.0.39.2)', > gccosandvers='' > intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678 > d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16 > ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', > lseeksize=8 > alignbytes=8, prototype=define > Linker and Libraries: > ld='gcc -mmacosx-version-min=10.5', ldflags =' -Wl,-search_paths_first > -arch x86_64 -fstack-protector' > libpth=/usr/lib > libs=-ldbm -ldl -lm -lutil -lc > perllibs=-ldl -lm -lutil -lc > libc=, so=dylib, useshrplib=true, libperl=libperl.dylib > gnulibc_version='' > Dynamic Linking: > dlsrc=dl_dlopen.xs, dlext=bundle, d_dlsymun=undef, ccdlflags=' ' > cccdlflags=' ', lddlflags=' -bundle -undefined dynamic_lookup > -Wl,-search_paths_first -arch x86_64 -fstack-protector' > > > Characteristics of this binary (from libperl): > Compile-time options: HAS_TIMES MULTIPLICITY PERLIO_LAYERS > PERL_DONT_CREATE_GVSV > PERL_HASH_FUNC_ONE_AT_A_TIME_HARD > PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP > PERL_NEW_COPY_ON_WRITE PERL_PRESERVE_IVUV > PERL_RELOCATABLE_INCPUSH USE_64_BIT_ALL > USE_64_BIT_INT USE_ITHREADS USE_LARGE_FILES > USE_LOCALE USE_LOCALE_COLLATE USE_LOCALE_CTYPE > USE_LOCALE_NUMERIC USE_PERLIO USE_PERL_ATOF > USE_REENTRANT_API USE_SITECUSTOMIZE > Locally applied patches: > ActivePerl Build 2001 [298913] > Built under darwin > Compiled at Mar 19 2015 15:36:06 > %ENV: > PERL5LIB="/Users/jholt/Source/mrprof/src/perlmods:/Users/jho > lt/Source/mrprof/src" > PERL_HOME="/usr/local/ActivePerl-5.20" > @INC: > /Users/jholt/Source/mrprof/src/perlmods > /Users/jholt/Source/mrprof/src > /Users/jholt/Library/ActivePerl-5.20/lib > /usr/local/ActivePerl-5.20/site/lib > /usr/local/ActivePerl-5.20/lib > .

> Yes, it looks like this specific problem does not exist in 5.22, 5.24, > and > 5.26. I can upgrade to 5.22, fortunately. > > Please close this case. >