1 files changed, 52 insertions, 0 deletions
diff --git a/vms/writemain.pl b/vms/writemain.pl
new file mode 100644
index 0000000000..38b6670b10
--- /dev/null
+++ b/vms/writemain.pl
@@ -0,0 +1,52 @@
+#!./miniperl
+#
+# Create perlmain.c from miniperlmain.c, adding code to boot the
+# extensions listed on the command line.
+#
+
+if (-f 'miniperlmain.c') { $dir = ''; }
+elsif (-f '../miniperlmain.c') { $dir = '../'; }
+else { die "$0: Can't find miniperlmain.c\n"; }
+
+open (IN,"${dir}miniperlmain.c")
+  || die "$0: Can't open ${dir}miniperlmain.c: $!\n";
+open (OUT,">${dir}perlmain.c")
+  || die "$0: Can't open ${dir}perlmain.c: $!\n";
+
+while (<IN>) {
+  s/INTERN\.h/EXTERN\.h/;
+  print OUT;
+  last if /Do not delete this line--writemain depends on it/;
+}
+$ok = !eof(IN);
+close IN;
+
+if (!$ok) {
+  close OUT;
+  unlink "${dir}perlmain.c";
+  die "$0: Can't find marker line in ${dir}miniperlmain.c - aborting\n";
+}
+
+
+if ($#ARGV > -1) {
+  print OUT "    char *file = __FILE__;\n";
+}
+
+foreach $ext (@ARGV) {
+  print OUT "extern void	boot_${ext} _((CV* cv));\n"
+}
+
+foreach $ext (@ARGV) {
+  print "Adding $ext . . .\n";
+  if ($ext eq 'DynaLoader') {
+    # Must NOT install 'DynaLoader::boot_DynaLoader' as 'bootstrap'!
+    # boot_DynaLoader is called directly in DynaLoader.pm
+    print OUT "    newXS(\"${ext}::boot_${ext}\", boot_${ext}, file);\n"
+  }
+  else {
+    print OUT "    newXS(\"${ext}::bootstrap\", boot_${ext}, file);\n"
+  }
+}
+
+print OUT "}\n";
+close OUT;