/*
* Fill vector 'lines' with dependencies of given 'filename'
*/
void collectDependencies(std::string filename, std::vector<std::string>& lines)
{
// execute "otool -L" on the given file and collect the command's output
std::string cmd = "otool -L " + filename;
std::string output = system_get_output(cmd);
if(output.find("can't open file")!=std::string::npos or output.find("No such file")!=std::string::npos or output.size()<1)
{
std::cerr << "Cannot find file " << filename << " to read its dependencies" << std::endl;
exit(1);
}
// split output
tokenize(output, "\n", &lines);
}
void collectRpaths(const std::string& filename)
{
if (!fileExists(filename))
{
std::cerr << "\n/!\\ WARNING : can't collect rpaths for inexistent file '" << filename << "'\n";
return;
}
std::string cmd = "otool -l " + filename;
std::string output = system_get_output(cmd);
std::vector<std::string> lc_lines;
tokenize(output, "\n", &lc_lines);
size_t pos = 0;
bool read_rpath = false;
while (pos < lc_lines.size())
{
std::string line = lc_lines[pos];
pos++;
if (read_rpath)
{
size_t start_pos = line.find("path ");
size_t end_pos = line.find(" (");
if (start_pos == std::string::npos || end_pos == std::string::npos)
{
std::cerr << "\n/!\\ WARNING: Unexpected LC_RPATH format\n";
continue;
}
start_pos += 5;
std::string rpath = line.substr(start_pos, end_pos - start_pos);
rpaths.insert(rpath);
rpaths_per_file[filename].push_back(rpath);
read_rpath = false;
continue;
}
if (line.find("LC_RPATH") != std::string::npos)
{
read_rpath = true;
pos++;
}
}
}
