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This queue is for tickets about the ExtUtils-MakeMaker CPAN distribution.

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The Basics
Id: 72104
Status: open
Priority: 0/
Queue: ExtUtils-MakeMaker

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Owner: Nobody in particular
Requestors: jesse.thompson [...] doit.wisc.edu
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Bug Information
Severity: Normal
Broken in: (no value)
Fixed in: (no value)



Subject: Executables installed by EU::MM not compatible with -Duserelocatableinc
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When I build perl with -Duserelocatableinc, and then move perl to another directory, and then install cpanm (it successfully installs), I am unable to run cpanm directly ./Configure \ -Dprefix=/opt \ -des \ -Duserelocatableinc ... sudo mv /opt/perl-5.14.2 /opt/perl-somethingelse sudo /opt/perl-somethingelse/bin/perl ./cpanm App::cpanminus Fetching http://search.cpan.org/CPAN/authors/id/M/MI/MIYAGAWA/App-cpanminus-1.5003.tar.gz ... OK Configuring App-cpanminus-1.5003 ... OK Building and testing App-cpanminus-1.5003 for App::cpanminus ... OK Successfully installed App-cpanminus-1.5003 head /opt/perl-somethingelse/bin/cpanm #!/opt/perl-5.14.2/bin/perl eval 'exec /opt/perl-5.14.2/bin/perl -S $0 ${1+"$@"}' if 0; # not running under some shell ... sudo /opt/perl-somethingelse/bin/cpanm sudo: unable to execute /opt/perl-somethingelse/bin/cpanm: No such file or directory ll /opt/perl-somethingelse/bin/cpanm -r-xr-xr-x 1 root root 318K Nov 1 13:45 /opt/perl-somethingelse/bin/cpanm sudo /opt/perl-somethingelse/bin/perl /opt/perl-somethingelse/bin/cpanm Some::Module (works OK) Miyagawa suggests... - https://github.com/miyagawa/cpanminus/issues/126# " I believe it is MakeMaker that adds the shebang line like that and is common for all the executables installed by MakeMaker, not just cpanm. "
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MakeMaker puts in that #! line, see ExtUtils::MM_Unix->_fixin_replace_shebang. It uses %Config to know what to do. $Config{startperl}, $Config{perlpath} and $Config{sharpbang}. If those are incorrect, it won't know any better. Please check those out.


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