I was built fgfs with download_and_compile.sh -i, but OpenRTI link error.
[quote from terminal]
  Linking CXX executable CMakeFiles/CMakeRelink.dir/fgadmin
  Linking CXX executable CMakeFiles/CMakeRelink.dir/fgai
  /usr/bin/ld: warning: libOpenRTI.so.1, needed by /home/aoki-kiyohito/bin/install/openrti/lib/x86_64-linux-gnu/libRTI-NG.so, not found (try using -rpath or -rpath-link)
  /home/aoki-kiyohito/bin/install/openrti/lib/x86_64-linux-gnu/libRTI-NG.so: undefined reference to `OpenRTI::Federate::getTransportationType(std::string const&) const'
....
[/quote]

But , ls -l /home/aoki-kiyohito/bin/install/openrti/lib/x86_64-linux-gnu/ are found this librarys.
[quote from terminal]
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      15 11月 23 21:30 libFedTime.so -> libFedTime.so.1
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      19 11月 23 21:30 libFedTime.so.1 -> libFedTime.so.1.3.0
  -rw-r--r-- 1 aoki-kiyohito aoki-kiyohito   40977 11月 24 01:02 libFedTime.so.1.3.0
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      15 11月 23 21:30 libOpenRTI.so -> libOpenRTI.so.1
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      19 11月 23 21:30 libOpenRTI.so.1 -> libOpenRTI.so.1.0.0
  -rw-r--r-- 1 aoki-kiyohito aoki-kiyohito 1873664 11月 24 01:02 libOpenRTI.so.1.0.0
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      14 11月 23 21:30 libRTI-NG.so -> libRTI-NG.so.1
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      18 11月 23 21:30 libRTI-NG.so.1 -> libRTI-NG.so.1.3.0
  -rw-r--r-- 1 aoki-kiyohito aoki-kiyohito  581935 11月 24 01:02 libRTI-NG.so.1.3.0
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      19 11月 23 21:30 libfedtime1516.so ->  libfedtime1516.so.1
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      23 11月 23 21:30 libfedtime1516.so.1 -> libfedtime1516.so.1.0.0
  -rw-r--r-- 1 aoki-kiyohito aoki-kiyohito  101138 11月 24 01:02 libfedtime1516.so.1.0.0
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      20 11月 23 21:30 libfedtime1516e.so -> libfedtime1516e.so.1
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      24 11月 23 21:30 libfedtime1516e.so.1 -> libfedtime1516e.so.1.0.0
  -rw-r--r-- 1 aoki-kiyohito aoki-kiyohito    6810 11月 27 21:00 libfedtime1516e.so.1.0.0
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      15 11月 23 21:30 librti1516.so -> librti1516.so.1
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      19 11月 23 21:30 librti1516.so.1 -> librti1516.so.1.0.0
  -rw-r--r-- 1 aoki-kiyohito aoki-kiyohito 1000099 11月 24 01:02 librti1516.so.1.0.0
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      16 11月 23 21:30 librti1516e.so -> librti1516e.so.1
  lrwxrwxrwx 1 aoki-kiyohito aoki-kiyohito      20 11月 23 21:30 librti1516e.so.1 -> librti1516e.so.1.0.0
  -rw-r--r-- 1 aoki-kiyohito aoki-kiyohito 1442072 11月 27 21:00 librti1516e.so.1.0.0
[/quote]