# File src/ruby_supportlib/phusion_passenger/platform_info/openssl.rb, line 31
    def self.openssl_extra_cflags
      if PlatformInfo.os_name_simple == "macosx"
        if File.exist?("/usr/include/openssl")
          ""
        else
          # OS X >= 10.11 El Capitan no longer include
          # OpenSSL development headers. Use the one from
          # Homebrew.
          "-I/usr/local/opt/openssl/include"
        end
      else
        ""
      end
    end