hangs with no error message

[sebsto]

I just download and compiled ldid.
Compilation did produce a few warnings but nothing severe

marsu:ldid sst$ ./make.sh

• flags=()
• sdk=/Developer/SDKs/MacOSX10.5.sdk
• [[ -e /Developer/SDKs/MacOSX10.5.sdk ]]
• g++ -arch i386 -arch x86_64 -o ldid ldid.cpp -I. -x c lookup2.c sha1.c
  ldid.cpp: In function ‘int main(int, const char**)’:
  ldid.cpp:700: warning: format ‘%u’ expects type ‘unsigned int’, but argument 3 has type ‘size_t’
  ldid.cpp: In function ‘int main(int, const char**)’:
  ldid.cpp:700: warning: format ‘%u’ expects type ‘unsigned int’, but argument 3 has type ‘size_t’

marsu:ldid sst$ ./ldid
usage: ./ldid -S[entitlements.xml]
./ldid -e MobileSafari
./ldid -S cat
./ldid -Stfp.xml gdb

marsu:Debug-iphoneos sst$ ldid -S mybinary
^C

Execution hangs with no error message :