-my $module_path = $ENV{SEARCHPATH} || ".";
-my $prog_objcopy = $ENV{OBJCOPY} || "${cross_compile_prefix}objcopy";
-my $prog_cc = $ENV{CC} || "${cross_compile_prefix}gcc";
-my $prog_ld = $ENV{LD} || "${cross_compile_prefix}ld";
-my $prog_cp = $ENV{PROG_CP} || "cp";
-my $prog_gzip = $ENV{PROG_GZIP} || "gzip";
-my $compress = $ENV{OPT_COMPRESS} || 0;
-my $strip = $ENV{OPT_STRIP} || 1;
+my $module_path = $ENV{SEARCHPATH} || ".";
+my $prog_objcopy = $ENV{OBJCOPY} || "${cross_compile_prefix}objcopy";
+my $prog_cc = $ENV{CC} || "${cross_compile_prefix}gcc";
+my $prog_ld = $ENV{LD} || "${cross_compile_prefix}ld";
+my $prog_cp = $ENV{PROG_CP} || "cp";
+my $prog_gzip = $ENV{PROG_GZIP} || "gzip";
+my $compress = $ENV{OPT_COMPRESS} || 0;
+my $strip = $ENV{OPT_STRIP} || 1;
+my $output_dir = $ENV{OUTPUT_DIR} || '.';
+my $make_inc_file = $ENV{MAKE_INC_FILE} || "mod.make.inc";
+