Сборка SIM

При сборке SIM вываливается вот с такими ошибками.
Подскажите, пожалуйста - что не хватает?




.libs/ltdl.o: In function `sys_dl_open':
.libs/ltdl.o(.text+0x30b): undefined reference to `dlopen'
.libs/ltdl.o(.text+0x325): undefined reference to `dlerror'
.libs/ltdl.o(.text+0x335): undefined reference to `dlerror'
.libs/ltdl.o: In function `sys_dl_close':
.libs/ltdl.o(.text+0x365): undefined reference to `dlclose'
.libs/ltdl.o(.text+0x37d): undefined reference to `dlerror'
.libs/ltdl.o(.text+0x391): undefined reference to `dlerror'
.libs/ltdl.o: In function `sys_dl_sym':
.libs/ltdl.o(.text+0x3ca): undefined reference to `dlsym'
.libs/ltdl.o(.text+0x3e4): undefined reference to `dlerror'
.libs/ltdl.o(.text+0x3f4): undefined reference to `dlerror'
.libs/ltdl.o: In function `lt_dlopen':
.libs/ltdl.o(.text+0x1559): undefined reference to `__ctype_b'
.libs/plugins.o: In function `SIM::cmp_plugin(SIM::pluginInfo, SIM::pluginInfo)':
.libs/plugins.o(.text+0x118): undefined reference to `__ctype_tolower'
.libs/plugins.o(.text+0x13d): undefined reference to `__ctype_tolower'
.libs/plugins.o(.text+0x161): undefined reference to `__ctype_tolower'
.libs/plugins.o(.text+0x181): undefined reference to `__ctype_tolower'
collect2: ld returned 1 exit status
make[3]: *** [libsimapi.la.closure] Error 1
make[3]: Leaving directory `/usr/local/src/sim-0.9.3/sim/api'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/usr/local/src/sim-0.9.3/sim'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/local/src/sim-0.9.3'
make: *** [all] Error 2