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70645
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dmacks [...] netspace.org
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Subject: t/30shell.t warning if Makefile.PL not called with absolute interpretter path
Date: Wed, 31 Aug 2011 13:14:07 -0400
To: bug-CPAN@rt.cpan.org
From: "Daniel Macks" <dmacks@netspace.org>
Running self-tests of CPAN-1.9800 on OS X 10.6 against Apple's perl-5.10.0: $ ARCHFLAGS="" /usr/bin/arch -i386 perl5.10.0 Makefile.PL PERL="/usr/bin/arch -i386 perl5.10.0" PREFIX=/sw INSTALLPRIVLIB=/sw/lib/perl5/5.10.0 INSTALLARCHLIB=/sw/lib/perl5/5.10.0/darwin-thread-multi-2level INSTALLSITELIB=/sw/lib/perl5/5.10.0 INSTALLSITEARCH=/sw/lib/perl5/5.10.0/darwin-thread-multi-2level INSTALLMAN1DIR=/sw/share/man/man1 INSTALLMAN3DIR=/sw/share/man/man3 INSTALLSITEMAN1DIR=/sw/share/man/man1 INSTALLSITEMAN3DIR=/sw/share/man/man3 INSTALLBIN=/sw/bin INSTALLSITEBIN=/sw/bin INSTALLSCRIPT=/sw/bin [no unusual output] $ make [the usual build messages, nothing unsual] $ make check [...] t/30shell.t .. Use of uninitialized value in concatenation (.) or string at t/30shell.t line 84. The /usr/bin/arch game is just my specific case of calling Makefile.PL with a non-absolute path to the perl interp. It works fine (and it should) because "perl5.10.0" is in my PATH. That causes the warning because t/30shell.t does: my @stat = stat $^X; The interp name that is propagated via $^X is whatever was passed to Makefile.PL, in this case "perl5.10.0", but it's neither an absolute path a relative one from anywhere predictable, so it can't be stat()ed. What does work (for me) is:     my $interp = `which $^X`; # $^X might be found in PATH not rel/abs path     chomp $interp;     my @stat = stat $interp; The portable solution would probably be to check if the original stat() fails, and if so fall back to my workaround, or else try this instead of original if $^X isn't absolute (avoids pitfall of a local filename that happens to match interp-name but isn't the interp?). Or else just use File::Which. dan -- Daniel Macks dmacks@netspace.org


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