I built the Git repository, but:

|> which girtod
/home/users/russel/Built/bin/girtod

|> girtod -i /usr/share/gir-1.0/GstMpegts-1.0.gir 
std.file.FileException@std/file.d(348): /usr/share/gir-1.0/GLib-2.0.gir: No such file or directory
----------------
??:? @trusted void[] std.file.readImpl(const(char)[], const(char)*, ulong) [0xc51ea62c]
??:? [0x1d214a86]
??:? [0x1d212753]
??:? [0x1d240edc]
??:? [0x1d2476cd]
??:? [0x1d247522]
??:? [0x1d247a31]
??:? [0x1d28b960]
??:? [0x1d286bef]
??:? [0x1d2485aa]
??:? [0x1d24855f]
??:? [0x1d248395]
??:? [0x1d2012ec]
??:? _aaApply [0xc4ca33b2]
??:? [0x1d200620]
??:? _D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ6runAllMFZ9__lambda1MFZv [0xc4caf90e]
??:? void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).tryExec(scope void delegate()) [0xc4caf84d]
??:? _d_run_main [0xc4caf744]
??:? [0x1d211e64]
??:? __libc_start_main [0xc3f4a2e0]
??:? [0x1d1fffe9]