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#!/usr/bin/perl -w
#
# Find dependancies. Simple dpkg-shlibdeps wrapper.

use strict;
use Cwd;
use Debian::Debhelper::Dh_Lib;
init();

foreach my $package (@{$dh{DOPACKAGES}}) {
	my $tmp=tmpdir($package);
	my $ext=pkgext($package);

	my @filelist;
	my $ff;

	# Generate a list of ELF binaries in the package, ignoring any
	# we were told to exclude.
	my $find_options='';
	if (defined($dh{EXCLUDE_FIND}) && $dh{EXCLUDE_FIND} ne '') {
		$find_options="! \\( $dh{EXCLUDE_FIND} \\)";
	}
	foreach my $file (split(/\n/,`find $tmp -type f \\( -perm +111 -or -name "*.so*" \\) $find_options`)) {
		# TODO: this is slow, optimize. Ie, file can run once on multiple files..
		$ff=`file "$file"`;
		if ($ff=~m/ELF/ && $ff!~/statically linked/) {
			push @filelist,$file;
		}
	}

	if (@filelist) {
		if ($dh{L_PARAMS}) {
			# Force the path absolute.
			unless ($dh{L_PARAMS}=~m:^/:) {
				$dh{L_PARAMS}=getcwd()."/$dh{L_PARAMS}";
			}
			$ENV{'LD_LIBRARY_PATH'}=$dh{L_PARAMS};
			verbose_print("LD_LIBRARY_PATH=$dh{L_PARAMS} \\");
		}
		doit("dpkg-shlibdeps","-Tdebian/${ext}substvars",@{$dh{U_PARAMS}},'-dDepends',@filelist);
	}
}