--- /dev/null
+use strict;
+use warnings;
+use Devel::CallParser;
+use Devel::CallChecker;
+use IO::File;
+use ExtUtils::MakeMaker;
+
+IO::File->new('callchecker0.h', 'w')->print(
+ Devel::CallChecker::callchecker0_h,
+);
+
+IO::File->new('callparser.h', 'w')->print(
+ Devel::CallParser::callparser0_h,
+);
+
+WriteMakefile(
+ NAME => 'Gather::Once',
+);