Make pod2html a regular script without substitutions

This will make the CPAN dist easier. For the perl core, we still need
substitutions to get the right she-bang as we don't go through EU::MM to fix it
for us. For that, we add utils/pod2html.PL.

3 files changed, 63 insertions, 6 deletions

diff --git a/utils/Makefile b/utils/Makefile
index 5506a14a89..a3a5540f48 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -10,9 +10,9 @@ RUN =   # Used mainly cross-compilation setups.
 # Files to be built with variable substitution after miniperl is
 # available.  Dependencies handled manually below (for now).
 
-pl = c2ph.PL config_data.PL corelist.PL cpan.PL h2ph.PL h2xs.PL instmodsh.PL json_pp.PL perlbug.PL perldoc.PL perlivp.PL pl2pm.PL prove.PL ptar.PL ptardiff.PL ptargrep.PL cpanp-run-perl.PL cpanp.PL cpan2dist.PL shasum.PL splain.PL libnetcfg.PL piconv.PL enc2xs.PL xsubpp.PL
-plextract = c2ph config_data corelist cpan h2ph h2xs instmodsh json_pp perlbug perldoc perlivp pl2pm prove ptar ptardiff ptargrep cpanp-run-perl cpanp cpan2dist shasum splain libnetcfg piconv enc2xs xsubpp
-plextractexe = ./c2ph ./config_data ./corelist ./cpan ./h2ph ./h2xs ./json_pp ./instmodsh ./perlbug ./perldoc ./perlivp ./pl2pm ./prove ./ptar ./ptardiff ./ptargrep ./cpanp-run-perl ./cpanp ./cpan2dist ./shasum ./splain ./libnetcfg ./piconv ./enc2xs ./xsubpp
+pl = c2ph.PL config_data.PL corelist.PL cpan.PL h2ph.PL h2xs.PL instmodsh.PL json_pp.PL perlbug.PL perldoc.PL perlivp.PL pl2pm.PL prove.PL ptar.PL ptardiff.PL ptargrep.PL cpanp-run-perl.PL cpanp.PL cpan2dist.PL shasum.PL splain.PL libnetcfg.PL piconv.PL enc2xs.PL xsubpp.PL pod2html.PL
+plextract = c2ph config_data corelist cpan h2ph h2xs instmodsh json_pp perlbug perldoc perlivp pl2pm prove ptar ptardiff ptargrep cpanp-run-perl cpanp cpan2dist shasum splain libnetcfg piconv enc2xs xsubpp pod2html
+plextractexe = ./c2ph ./config_data ./corelist ./cpan ./h2ph ./h2xs ./json_pp ./instmodsh ./perlbug ./perldoc ./perlivp ./pl2pm ./prove ./ptar ./ptardiff ./ptargrep ./cpanp-run-perl ./cpanp ./cpan2dist ./shasum ./splain ./libnetcfg ./piconv ./enc2xs ./xsubpp ./pod2html
 
 all: $(plextract) 
 
@@ -69,6 +69,8 @@ enc2xs:		enc2xs.PL ../config.sh
 
 xsubpp:		xsubpp.PL ../config.sh
 
+pod2html:	pod2html.PL ../config.sh ../ext/Pod-Html/bin/pod2html
+
 clean:
 
 realclean:
diff --git a/utils/Makefile.SH b/utils/Makefile.SH
index f4daec28b9..1942ec88ad 100644
--- a/utils/Makefile.SH
+++ b/utils/Makefile.SH
@@ -48,9 +48,9 @@ cat >>Makefile <<'!NO!SUBS!'
 # Files to be built with variable substitution after miniperl is
 # available.  Dependencies handled manually below (for now).
 
-pl = c2ph.PL config_data.PL corelist.PL cpan.PL h2ph.PL h2xs.PL instmodsh.PL json_pp.PL perlbug.PL perldoc.PL perlivp.PL pl2pm.PL prove.PL ptar.PL ptardiff.PL ptargrep.PL cpanp-run-perl.PL cpanp.PL cpan2dist.PL shasum.PL splain.PL libnetcfg.PL piconv.PL enc2xs.PL xsubpp.PL
-plextract = c2ph config_data corelist cpan h2ph h2xs instmodsh json_pp perlbug perldoc perlivp pl2pm prove ptar ptardiff ptargrep cpanp-run-perl cpanp cpan2dist shasum splain libnetcfg piconv enc2xs xsubpp
-plextractexe = ./c2ph ./config_data ./corelist ./cpan ./h2ph ./h2xs ./json_pp ./instmodsh ./perlbug ./perldoc ./perlivp ./pl2pm ./prove ./ptar ./ptardiff ./ptargrep ./cpanp-run-perl ./cpanp ./cpan2dist ./shasum ./splain ./libnetcfg ./piconv ./enc2xs ./xsubpp
+pl = c2ph.PL config_data.PL corelist.PL cpan.PL h2ph.PL h2xs.PL instmodsh.PL json_pp.PL perlbug.PL perldoc.PL perlivp.PL pl2pm.PL prove.PL ptar.PL ptardiff.PL ptargrep.PL cpanp-run-perl.PL cpanp.PL cpan2dist.PL shasum.PL splain.PL libnetcfg.PL piconv.PL enc2xs.PL xsubpp.PL pod2html.PL
+plextract = c2ph config_data corelist cpan h2ph h2xs instmodsh json_pp perlbug perldoc perlivp pl2pm prove ptar ptardiff ptargrep cpanp-run-perl cpanp cpan2dist shasum splain libnetcfg piconv enc2xs xsubpp pod2html
+plextractexe = ./c2ph ./config_data ./corelist ./cpan ./h2ph ./h2xs ./json_pp ./instmodsh ./perlbug ./perldoc ./perlivp ./pl2pm ./prove ./ptar ./ptardiff ./ptargrep ./cpanp-run-perl ./cpanp ./cpan2dist ./shasum ./splain ./libnetcfg ./piconv ./enc2xs ./xsubpp ./pod2html
 
 all: $(plextract) 
 
@@ -107,6 +107,8 @@ enc2xs:		enc2xs.PL ../config.sh
 
 xsubpp:		xsubpp.PL ../config.sh
 
+pod2html:	pod2html.PL ../config.sh ../ext/Pod-Html/bin/pod2html
+
 clean:
 
 realclean:
diff --git a/utils/pod2html.PL b/utils/pod2html.PL
new file mode 100644
index 0000000000..696624f163
--- /dev/null
+++ b/utils/pod2html.PL
@@ -0,0 +1,53 @@
+#!/usr/local/bin/perl
+
+use Config;
+use File::Basename qw(&basename &dirname);
+use Cwd;
+
+# List explicitly here the variables you want Configure to
+# generate.  Metaconfig only looks for shell variables, so you
+# have to mention them as if they were shell variables, not
+# %Config entries.  Thus you write
+#  $startperl
+# to ensure Configure will look for $Config{startperl}.
+
+# This forces PL files to create target in same directory as PL file.
+# This is so that make depend always knows where to find PL derivatives.
+my $origdir = cwd;
+chdir dirname($0);
+my $file = basename($0, '.PL');
+$file .= '.com' if $^O eq 'VMS';
+
+open OUT,">$file" or die "Can't create $file: $!";
+
+print "Extracting $file (with variable substitutions)\n";
+
+# In this section, perl variables will be expanded during extraction.
+# You can use $Config{...} to use Configure variables.
+
+print OUT <<"!GROK!THIS!";
+$Config{startperl}
+    eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
+	if \$running_under_some_shell;
+!GROK!THIS!
+
+use File::Spec;
+
+my $script = File::Spec->catfile(
+    File::Spec->catdir(
+        File::Spec->updir, qw(ext Pod-Html bin),
+    ),
+    'pod2html',
+);
+
+if (open(IN, $script)) {
+    print OUT <IN>;
+    close IN;
+} else {
+    die "$0: cannot find '$script'\n";
+}
+
+close OUT or die "Can't close $file: $!";
+chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
+exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';
+chdir $origdir;