diff options
Diffstat (limited to 'lib/ExtUtils/MM_Unix.pm')
| -rw-r--r-- | lib/ExtUtils/MM_Unix.pm | 111 |
1 files changed, 100 insertions, 11 deletions
diff --git a/lib/ExtUtils/MM_Unix.pm b/lib/ExtUtils/MM_Unix.pm index d189898c98..7669167d68 100644 --- a/lib/ExtUtils/MM_Unix.pm +++ b/lib/ExtUtils/MM_Unix.pm @@ -8,8 +8,8 @@ use strict; use vars qw($VERSION $Is_Mac $Is_OS2 $Is_VMS $Is_Win32 $Verbose %pm %static $Xsubpp_Version); -$VERSION = substr q$Revision: 1.114 $, 10; -# $Id: MM_Unix.pm,v 1.113 1997/02/11 21:54:09 k Exp $ +$VERSION = substr q$Revision: 1.118 $, 10; +# $Id: MM_Unix.pm,v 1.118 1997/08/01 09:42:52 k Exp $ Exporter::import('ExtUtils::MakeMaker', qw( $Verbose &neatvalue)); @@ -181,6 +181,7 @@ sub ExtUtils::MM_Unix::export_list ; sub ExtUtils::MM_Unix::extliblist ; sub ExtUtils::MM_Unix::file_name_is_absolute ; sub ExtUtils::MM_Unix::find_perl ; +sub ExtUtils::MM_Unix::fixin ; sub ExtUtils::MM_Unix::force ; sub ExtUtils::MM_Unix::guess_name ; sub ExtUtils::MM_Unix::has_link_code ; @@ -1103,6 +1104,86 @@ specified by @ExtUtils::MakeMaker::MM_Sections. =over 2 +=item fixin + +Inserts the sharpbang or equivalent magic number to a script + +=cut + +sub fixin { # stolen from the pink Camel book, more or less + my($self,@files) = @_; + my($does_shbang) = $Config::Config{'sharpbang'} =~ /^\s*\#\!/; + my($file,$interpreter); + for $file (@files) { + local(*FIXIN); + local(*FIXOUT); + open(FIXIN, $file) or Carp::croak "Can't process '$file': $!"; + local $/ = "\n"; + chomp(my $line = <FIXIN>); + next unless $line =~ s/^\s*\#!\s*//; # Not a shbang file. + # Now figure out the interpreter name. + my($cmd,$arg) = split ' ', $line, 2; + $cmd =~ s!^.*/!!; + + # Now look (in reverse) for interpreter in absolute PATH (unless perl). + if ($cmd eq "perl") { + $interpreter = $Config{perlpath}; + } else { + my(@absdirs) = reverse grep {$self->file_name_is_absolute} $self->path; + $interpreter = ''; + my($dir); + foreach $dir (@absdirs) { + if ($self->maybe_command($cmd)) { + warn "Ignoring $interpreter in $file\n" if $Verbose && $interpreter; + $interpreter = $self->catfile($dir,$cmd); + } + } + } + # Figure out how to invoke interpreter on this machine. + + my($shb) = ""; + if ($interpreter) { + print STDOUT "Changing sharpbang in $file to $interpreter" if $Verbose; + if ($does_shbang) { + $shb .= "$Config{'sharpbang'}$interpreter"; + $shb .= ' ' . $arg if defined $arg; + $shb .= "\n"; + } + $shb .= qq{ +eval 'exec $interpreter $arg -S \$0 \${1+"\$\@"}' + if \$running_under_some_shell; +}; + } else { + warn "Can't find $cmd in PATH, $file unchanged" + if $Verbose; + next; + } + + unless ( rename($file, "$file.bak") ) { + warn "Can't modify $file"; + next; + } + unless ( open(FIXOUT,">$file") ) { + warn "Can't create new $file: $!\n"; + next; + } + my($dev,$ino,$mode) = stat FIXIN; + $mode = 0755 unless $dev; + chmod $mode, $file; + + # Print out the new #! line (or equivalent). + local $\; + undef $/; + print FIXOUT $shb, <FIXIN>; + close FIXIN; + close FIXOUT; + unlink "$file.bak"; + } continue { + chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; + system("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';; + } +} + =item force (o) Just writes FORCE: @@ -1280,7 +1361,6 @@ sub init_dirscan { # --- File and Directory Lists (.xs .pm .pod etc) # my $fh = new FileHandle; local *FH; my($ispod)=0; - # one day test, if $/ can be set to '' safely (is the bug fixed that was in 5.001m?) # if ($fh->open("<$name")) { if (open(FH,"<$name")) { # while (<$fh>) { @@ -1297,7 +1377,9 @@ sub init_dirscan { # --- File and Directory Lists (.xs .pm .pod etc) $ispod = 1; } if( $ispod ) { - $manifypods{$name} = $self->catfile('$(INST_MAN1DIR)',basename($name).'.$(MAN1EXT)'); + $manifypods{$name} = + $self->catfile('$(INST_MAN1DIR)', + basename($name).'.$(MAN1EXT)'); } } } @@ -1901,23 +1983,27 @@ sub installbin { $fromto{$from}=$to; } @to = values %fromto; - push(@m, " + push(@m, qq{ EXE_FILES = @{$self->{EXE_FILES}} +FIXIN = \$(PERL) -I\$(PERL_ARCHLIB) -I\$(PERL_LIB) -MExtUtils::MakeMaker \\ + -e "MY->fixin(shift)" + all :: @to $self->{NOECHO}\$(NOOP) realclean :: $self->{RM_F} @to -"); +}); while (($from,$to) = each %fromto) { last unless defined $from; my $todir = dirname($to); push @m, " -$to: $from $self->{MAKEFILE} ".$self->catfile($todir,'.exists')." +$to: $from $self->{MAKEFILE} " . $self->catdir($todir,'.exists') . " $self->{NOECHO}$self->{RM_F} $to $self->{CP} $from $to + \$(FIXIN) $to "; } join "", @m; @@ -2431,18 +2517,21 @@ sub parse_version { $inpod = /^=(?!cut)/ ? 1 : /^=cut/ ? 0 : $inpod; next if $inpod; chop; - next unless /\$(([\w\:\']*)\bVERSION)\b.*\=/; + # next unless /\$(([\w\:\']*)\bVERSION)\b.*\=/; + next unless /([\$*])(([\w\:\']*)\bVERSION)\b.*\=/; my $eval = qq{ package ExtUtils::MakeMaker::_version; no strict; - \$$1=undef; do { + local $1$2; + \$$2=undef; do { $_ - }; \$$1 + }; \$$2 }; local($^W) = 0; - $result = eval($eval) || 0; + $result = eval($eval); die "Could not eval '$eval' in $parsefile: $@" if $@; + $result = "undef" unless defined $result; last; } close FH; |