}
}
-
#
-# Create backup version of output file.
-#
-if ( ! -f $Makefile ) {
- # truncate() may not be implemented, so we
- # play it safe here.
- local(*TRUNC);
- open(TRUNC,"> $Makefile.bak") && close(TRUNC);
+# print dependencies
+#
+if ( $Makefile eq "-" ) {
+ #
+ # print dependencies to STDOUT
+ #
+ &print_deps();
+} elsif ( ! -f $Makefile ) {
+ #
+ # $Makefile does not exist, just print the deps.
+ #
+ open(NMKF,"> $Makefile") || die "$Pgm: can't open $Makefile: $!\n";
+ select(NMKF);
+ &print_deps();
+ close(NMKF);
} else {
- rename($Makefile,"$Makefile.bak");
-}
-# now copy Makefile.bak into Makefile, rm'ing old dependencies
-# and adding the new
-open(OMKF,"< $Makefile.bak") || die "$Pgm: can't open $Makefile.bak: $!\n";
-open(NMKF,"> $Makefile") || die "$Pgm: can't open $Makefile: $!\n";
-select(NMKF);
-$_ = <OMKF>;
-while ($_ && $_ ne $Begin_magic_str) { # copy through, 'til Begin_magic_str
- print $_;
- $_ = <OMKF>;
-}
-while ($_ && $_ ne $End_magic_str) { # delete 'til End_magic_str
- $_ = <OMKF>;
-}
-# insert dependencies
-print "$Begin_magic_str", @Depend_lines, $End_magic_str || die "Failed to write out dependencies ($!)";
+ #
+ # Create backup version of output file, then generate a new one.
+ #
+ rename($Makefile,"$Makefile.bak") || die "$Pgm: can't rename $Makefile: $!\n";
+
+ # now copy Makefile.bak into Makefile, rm'ing old dependencies
+ # and adding the new
+ open(OMKF,"< $Makefile.bak") || die "$Pgm: can't open $Makefile.bak: $!\n";
+ open(NMKF,"> $Makefile") || die "$Pgm: can't open $Makefile: $!\n";
+ select(NMKF);
+
+ $_ = <OMKF>;
+ while ($_ && $_ ne $Begin_magic_str) { # copy through, 'til Begin_magic_str
+ print $_;
+ $_ = <OMKF>;
+ }
+ while ($_ && $_ ne $End_magic_str) { # delete 'til End_magic_str
+ $_ = <OMKF>;
+ }
-while (<OMKF>) { # copy the rest through
- print $_ || die "Failed to write out dependencies ($!)";
+ &print_deps();
+
+ while (<OMKF>) { # copy the rest through
+ print $_ || die "Failed to write out dependencies ($!)";
+ }
+ close(NMKF) || exit(1);
+ close(OMKF) || exit(1);
}
-close(NMKF) || exit(1);
-close(OMKF) || exit(1);
+
exit 0;
+
+sub print_deps {
+ # insert dependencies
+ print "$Begin_magic_str", @Depend_lines, $End_magic_str || die "Failed to write out dependencies ($!)";
+}
+
sub mangle_command_line_args {
local(@Args) = @_;