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misc/maintenance/reorder_addlibs.sh
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#!/usr/bin/env bash
# run this from ../..
if [ "$1" == "--really" ]; then
really_do_it=true
else
really_do_it=false
echo "$0: this will not really do anything, use --really for that."
fi
cd src
cat Makefile | perl -e ' @libdirs = (); while(<>){ if ($x && m/(\S+)\:/) { push @libdirs, $1; chop; print "$_ .phony
"; } if (m/have inter-dependencies/) {$x=1;}} print("all: " . join(" ", @libdirs) . "
"); print(".phony:
")' > Makefile.temp
# for each directory this automatic rule says, just print its name.
echo '%:' >> Makefile.temp
printf '\techo ${@F}
' >> Makefile.temp
# the following prints out the directory names in the order we want to
# have them in the ADDLIBS in the individual Makefiles; note, 'tac' reverses
# the order of its input lines.
make -s -f Makefile.temp all | grep -v all | grep -v .phony | tac > library_order
echo "Library order is:"
cat library_order
for f in */Makefile; do
echo "$0: processing $f"
cat $f | perl -e '
open(F, "<library_order") || die "opening file library_order";
$n = 1;
while (<F>) { chop; $library_name_to_order{$_} = $n; $order_to_library_name{$n} = $_; $n++; }
while(<>) {
if (m/^ADDLIBS = (.+)/) {
@addlibs = ();
$cur_line = $1;
while (1) {
if ($cur_line =~ s/\\$//) { $had_backslash = 1; } else { $had_backslash = 0; }
@A = split(" ", $cur_line);
push @addlibs, @A;
if (!$had_backslash) { last; } # break from the while loop.
if (!($cur_line = <>)) { last; }
}
@weird_libs = ();
%normal_lib_names = {};
foreach $lib (@addlibs) {
if ($lib =~ m|^\.\./(.+)/kaldi-(.+)\.a$| && $1 == $2 && defined $library_name_to_order{$1}) {
$normal_lib_names{$1} = 1;
} else { push @weird_libs, $lib; }
}
@normalized_addlibs = ();
for ($k = 1; $k < $n; $k++) {
$test_name = $order_to_library_name{$k};
if (defined $normal_lib_names{$test_name}) {
push @normalized_addlibs, "../$test_name/kaldi-$test_name.a";
}
}
if (@weird_libs > 0) { print STDERR "Unexpected libraries: " . join(":", @weird_libs) . "
"; }
# unexpected libraries that aren not part of the normal list will go last.
push @normalized_addlibs, @weird_libs;
@rearranged_lines = ();
$cur_line = "";
$max_partial_line_size = 70; # after the initial "ADDLIBS = " or spaces.
foreach $lib (@normalized_addlibs) {
if (length($cur_line . $lib . " ") > $max_partial_line_size) {
push @rearranged_lines, $cur_line; $cur_line = "";
}
$cur_line .= ($lib . " ");
}
if ($cur_line ne "") { push @rearranged_lines, $cur_line; }
$num_lines = @rearranged_lines;
for ($k = 0; $k < $num_lines; $k++) {
if ($k == 0) { print "ADDLIBS = "; } else { print " "; }
print $rearranged_lines[$k];
if ($k + 1 < $num_lines) { print "\\
"; } else { print "
"; }
}
} else {
print;
}
} ' > temp_makefile
diff $f temp_makefile
if $really_do_it; then
cp temp_makefile $f
fi
done
rm library_order Makefile.temp
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