830N/A

830N/A

830N/Ause strict;

830N/Ause warnings;

830N/Ause integer;

830N/Ause Getopt::Long;

830N/A

830N/Ause File::Find;

830N/A

830N/Amy $large_pic = ''; # -P

830N/Amy $single_file = ''; # -s

830N/Amy @shared_args = ();

830N/A

830N/Adie unless GetOptions(

830N/A "P" => \$large_pic,

830N/A "s" => \$single_file,

830N/A "shared=s" => \@shared_args

830N/A);

830N/A

830N/Amy $pic_size = $large_pic ? "PIC" : "pic";

830N/A

830N/Amy %compiler_pic_flags = ( 'cc' => "-K$pic_size -DPIC",

830N/A 'gcc' => "-f$pic_size -DPIC" );

830N/Amy %compiler_sharedobj_flags = ( 'cc' => '-G -z allextract',

830N/A 'gcc' => '-shared -Wl,-z,allextract' );

830N/A

830N/Amy %so_versions = ();

830N/Amy %ltlib_names = ();

830N/Amy @Makefiles;

830N/A

830N/Aforeach my $so ( @shared_args ) {

830N/A if ($so =~ m{^(.*)\.so\.([\d\.]+)}) {

830N/A $so_versions{$1} = $2;

830N/A } elsif ($so =~ m{^(.*)\.so$}) {

830N/A $so_versions{$1} = 'none';

830N/A } else {

830N/A die "Unable to parse --shared object name $so\n";

830N/A }

830N/A}

830N/A

830N/Asub rulename_to_filename {

830N/A my $rulename = $_[0];

830N/A if (exists($ltlib_names{$rulename})) {

830N/A return $ltlib_names{$rulename};

830N/A } else {

830N/A return $rulename;

830N/A }

830N/A}

830N/A

830N/Asub expand_macros {

830N/A my ($in, $macro_ref) = @_;

830N/A

830N/A $in =~ s{\$\(([^\)]+)\)}{

830N/A exists($macro_ref->{$1}) ? $macro_ref->{$1} : "" }msgex;

830N/A

830N/A return $in;

830N/A}

830N/A

830N/Asub scan_file {

830N/A if ($_ eq 'Makefile' && -f $_) {

830N/A my $old_file = $_;

830N/A

830N/A open my $OLD, '<', $old_file

830N/A or die "Can't open $old_file for reading: $!\n";

830N/A

830N/A # Read in original file and preprocess for data we'll need later

830N/A my $l = "";

830N/A my %makefile_macros = ();

830N/A my %makefile_ldflags = ();

830N/A my @makefile_ltlibs = ();

830N/A

830N/A while (my $n = <$OLD>) {

$l .= $n;

# handle line continuation

next if ($n =~ m/\\$/);

# Save macros for later expansion if needed

if ($l =~ m/^([^\#\s]*)\s*=\s*(.*?)\s*$/ms) {

$makefile_macros{$1} = $2;

}

if ($l =~ m/^([^\#\s]*)_la_LDFLAGS\s*=(.*)/ms) {

my $libname = $1;

my $flags = $2;

$makefile_ldflags{$libname} = $flags;

}

elsif ($l =~ m/^[^\#\s]*_LTLIBRARIES\s*=(.*)$/ms) {

push @makefile_ltlibs, $1;

}

$l = "";

}

close($OLD) or die;

foreach my $ltline ( @makefile_ltlibs ) {

my $ltline_exp = expand_macros($ltline, \%makefile_macros);

foreach my $ltl (split /\s+/, $ltline_exp) {

$ltl =~ s{\.la$}{}ms;

my $transformed = $ltl;

$transformed =~ s{[^\w\@]}{_}msg;

$ltlib_names{$transformed} = $ltl;

}

}

foreach my $librulename (keys %makefile_ldflags) {

my $libname = rulename_to_filename($librulename);

my $flags = expand_macros($makefile_ldflags{$librulename},

\%makefile_macros);

my $vers;

if ($flags =~ m/[\b\s]-version-(number|info)\s+(\S+)/ms) {

my $vtype = $1;

my $v = $2;

if (($vtype eq "info") && ($v =~ m/^(\d+):\d+:(\d+)$/ms)) {

$vers = $1 - $2;

} elsif ($v =~ m/^(\d+)[:\d]*$/ms) {

$vers = $1;

} else {

$vers = $v;

}

}

elsif ($flags =~ m/-avoid-version\b/ms) {

$vers = 'none';

}

my $ln = $libname;

if ($single_file) {

$ln = $File::Find::name . "::" . $libname;

}

if (defined($vers) && !defined($so_versions{$ln})) {

$so_versions{$ln} = $vers;

}

}

push @Makefiles, $File::Find::name;

}

}

sub modify_file {

my ($filename) = @_;

print "delibtoolizing $filename...\n";

my $old_file = $filename . '~';

my $new_file = $filename;

rename($new_file, $old_file) or

die "Can't rename $new_file to $old_file: $!\n";

open my $OLD, '<', $old_file

or die "Can't open $old_file for reading: $!\n";

open my $NEW, '>', $new_file

or die "Can't open $new_file for writing: $!\n";

my $compiler;

my @inlines = ();

# Read in original file and preprocess for data we'll need later

my $l = "";

while (my $n = <$OLD>) {

$l .= $n;

# handle line continuation

next if ($n =~ m/\\$/);

if ($l =~ m/^\s*CC\s*=(?:.*\s+)?(\S*cc)/) {

$compiler = $1;

}

push @inlines, $l;

$l = "";

}

close($OLD) or die;

my $compiler_type = 'cc'; # default to Sun Studio

if (defined($compiler) && ($compiler =~ m/gcc/)) {

$compiler_type = 'gcc';

}

my $picflags = $compiler_pic_flags{$compiler_type};

my $sharedobjflags = $compiler_sharedobj_flags{$compiler_type};

my $curtarget = "";

foreach $l (@inlines) {

chomp $l;

# Remove libtool script from compile steps &

# add PIC flags that libtool normally provides

$l =~ s{\$\(LIBTOOL\)

(?:[\\\s]+ \$\(LT_QUIET\))?

(?:[\\\s]+ \$\(AM_V_lt\))?

(?:[\\\s]+ --tag=(?:CC|CXX))?

(?:[\\\s]+ \$\(AM_LIBTOOLFLAGS\) [\\\s]+ \$\(LIBTOOLFLAGS\))?

[\\\s]+ --mode=compile

[\\\s]+ (\$\(CC\)|\$\(CCAS\)|\$\(CXX\)|\$\(COMPILE\))

}{$1 $picflags}xs;

# Remove libtool script from link step

$l =~ s{\$\(LIBTOOL\)

(?:[\\\s]+ \$\(LT_QUIET\))?

(?:[\\\s]+ \$\(AM_V_lt\))?

(?:[\\\s]+ --tag=(?:CC|CXX))?

(?:[\\\s]+ \$\(AM_LIBTOOLFLAGS\) [\\\s]+ \$\(LIBTOOLFLAGS\))?

[\\\s]+ --mode=link

}{}xs;

# Change -rpath to -R in link arguments

$l =~ s{(\s*)-rpath(\s*)}{$1-R$2}msg;

# Change flags for building shared object from arguments to libtool

# script into arguments to linker

if ($l =~ m/_la_LDFLAGS\s*=/) {

$l =~ s{(\s*$sharedobjflags)+\b}{}msg;

$l =~ s{(_la_LDFLAGS\s*=\s*)}{$1 $sharedobjflags }ms;

$l =~ s{(\s+)-avoid-version\b}{$1}ms;

$l =~ s{(\s+)-module\b}{$1}ms;

$l =~ s{(\s+)-version-(?:number|info)\s+\S+}{$1-h \$\@}ms;

$l =~ s{(\s+)-no-undefined\b}{$1-z defs}ms;

}

# Change file names

my @so_list = keys %so_versions;

if ($single_file) {

my $pat = $filename . "::";

@so_list = grep(/^$pat/, @so_list);

}

foreach my $so (@so_list) {

my $v = $so_versions{$so};

if ($v eq 'none') {

$l =~ s{$so\.la\b}{$so.so}msg;

} else {

$l =~ s{$so\.la\b}{$so.so.$v}msg;

}

}

$l =~ s{\.la\b}{.a}msg;

$l =~ s{\.libs/([\*%])\.o\b}{$1.lo}msg;

$l =~ s{\.lo\b}{.o}msg;

my $newtarget = $curtarget;

if ($l =~ m/^(\S+):/) {

$newtarget = $1;

} elsif ($l =~ m/^\s*$/) {

$newtarget = "";

}

if ($curtarget ne $newtarget) { # end of rules for a target

# Need to add in .so links that libtool makes for .la installs

if ($curtarget =~ m/^install-(.*)LTLIBRARIES$/ms) {

my $dirname = $1;

my $installrule = <<'END_RULE';

list='$(<DIRNAME>_LTLIBRARIES)'; for p in $$list; do \

so=$${p%.[[:digit:]]} ; \

if [[ "$$p" != "$$so" ]] ; then \

echo "rm -f $(DESTDIR)$(<DIRNAME>dir)/$$so" ; \

rm -f $(DESTDIR)$(<DIRNAME>dir)/$$so ; \

echo "ln -s $$p $(DESTDIR)$(<DIRNAME>dir)/$$so" ; \

ln -s $$p $(DESTDIR)$(<DIRNAME>dir)/$$so ; \

fi; \

done

$installrule =~ s/\<DIRNAME\>/$dirname/msg;

$l .= $installrule;

}

$curtarget = $newtarget;

}

# Static libraries

if ($curtarget =~ m/^.*\.a$/) {

$l =~ s{\$\(\w*LINK\)}{\$(AR) cru $curtarget}ms;

$l =~ s{\$\(\w*(?:LIBS|LIBADD)\)}{}msg;

$l =~ s{(\$\((?:\w*_)?AR\).*\s+)-R\s*\$\(libdir\)}{$1}msg;

}

print $NEW $l, "\n";

$l = "";

}

close($NEW) or die;

}

find(\&scan_file, @ARGV);

foreach my $mf ( @Makefiles ) {

modify_file($mf);

}