+# Store a cleaned up version of the MakeMaker version,
+# since we need to behave differently in a variety of
+# ways based on the MM version.
+my $makemaker = eval $ExtUtils::MakeMaker::VERSION;
+
+# If we are passed a param, do a "newer than" comparison.
+# Otherwise, just return the MakeMaker version.
+sub makemaker {
+ ( @_ < 2 or $makemaker >= eval($_[1]) ) ? $makemaker : 0
+}
+
+# Ripped from ExtUtils::MakeMaker 6.56, and slightly modified
+# as we only need to know here whether the attribute is an array
+# or a hash or something else (which may or may not be appendable).
+my %makemaker_argtype = (
+ C => 'ARRAY',
+ CONFIG => 'ARRAY',
+# CONFIGURE => 'CODE', # ignore
+ DIR => 'ARRAY',
+ DL_FUNCS => 'HASH',
+ DL_VARS => 'ARRAY',
+ EXCLUDE_EXT => 'ARRAY',
+ EXE_FILES => 'ARRAY',
+ FUNCLIST => 'ARRAY',
+ H => 'ARRAY',
+ IMPORTS => 'HASH',
+ INCLUDE_EXT => 'ARRAY',
+ LIBS => 'ARRAY', # ignore ''
+ MAN1PODS => 'HASH',
+ MAN3PODS => 'HASH',
+ META_ADD => 'HASH',
+ META_MERGE => 'HASH',
+ PL_FILES => 'HASH',
+ PM => 'HASH',
+ PMLIBDIRS => 'ARRAY',
+ PMLIBPARENTDIRS => 'ARRAY',
+ PREREQ_PM => 'HASH',
+ CONFIGURE_REQUIRES => 'HASH',
+ SKIP => 'ARRAY',
+ TYPEMAPS => 'ARRAY',
+ XS => 'HASH',
+# VERSION => ['version',''], # ignore
+# _KEEP_AFTER_FLUSH => '',
+
+ clean => 'HASH',
+ depend => 'HASH',
+ dist => 'HASH',
+ dynamic_lib=> 'HASH',
+ linkext => 'HASH',
+ macro => 'HASH',
+ postamble => 'HASH',
+ realclean => 'HASH',
+ test => 'HASH',
+ tool_autosplit => 'HASH',
+
+ # special cases where you can use makemaker_append
+ CCFLAGS => 'APPENDABLE',
+ DEFINE => 'APPENDABLE',
+ INC => 'APPENDABLE',
+ LDDLFLAGS => 'APPENDABLE',
+ LDFROM => 'APPENDABLE',
+);
+