+ for my $var (qw(
+ CC SYSTEM BASE_DIR CONFIG_DIR MODULE_DIR BINARY_DIR BUILD_DIR
+ STARTSCRIPT DESTINATION EXTRA_DIR SOCKETENGINE
+ )) {
+ s/\@$var\@/$config{$var}/g;
+ }
+ s/\@EXECUTABLE\@/$exe/ if defined $exe;
+ s/\@VERSION\@/$version/ if defined $version;
+
+ if ($file eq 'main.mk') {
+ print "Writing \e[1;32mGNUmakefile\e[0m ...\n";
+
+ my $mk_tmp = $_;
+ s/\@IFDEF (\S+)/ifdef $1/g;
+ s/\@IFNDEF (\S+)/ifndef $1/g;
+ s/\@IFEQ (\S+) (\S+)/ifeq ($1,$2)/g;
+ s/\@ELSIFEQ (\S+) (\S+)/else ifeq ($1,$2)/g;
+ s/\@ELSE/else/g;
+ s/\@ENDIF/endif/g;
+ s/ *\@BSD_ONLY .*\n//g;
+ s/\@GNU_ONLY //g;
+ s/\@DO_EXPORT (.*)/export $1/g;
+ open MKF, '>GNUmakefile' or die "Can't write to GNUmakefile: $!";
+ print MKF $_;
+ close MKF;
+
+ print "Writing \e[1;32mBSDmakefile\e[0m ...\n";
+ $_ = $mk_tmp;
+ s/\@IFDEF (\S+)/.if defined($1)/g;
+ s/\@IFNDEF (\S+)/.if !defined($1)/g;
+ s/\@IFEQ (\S+) (\S+)/.if $1 == $2/g;
+ s/\@ELSIFEQ (\S+) (\S+)/.elif $1 == $2/g;
+ s/\@ELSE/.else/g;
+ s/\@ENDIF/.endif/g;
+ s/\@BSD_ONLY //g;
+ s/ *\@GNU_ONLY .*\n//g;
+ $mk_tmp = $_;
+ $mk_tmp =~ s#\@DO_EXPORT (.*)#"MAKEENV += ".join ' ', map "$_='\${$_}'", split /\s/, $1#eg;
+ open MKF, '>BSDmakefile' or die "Can't write to BSDmakefile: $!";
+ print MKF $mk_tmp;
+ close MKF;
+ } else {