# File lib/phusion_passenger/platform_info/compiler.rb, line 318 def self.dmalloc_ldflags if !ENV['DMALLOC_LIBS'].to_s.empty? return ENV['DMALLOC_LIBS'] end if RUBY_PLATFORM =~ /darwin/ ['/opt/local', '/usr/local', '/usr'].each do |prefix| filename = "#{prefix}/lib/libdmallocthcxx.a" if File.exist?(filename) return filename end end return nil else return "-ldmallocthcxx" end end