Need help to compile my source in Ubuntu 18.
Error:
Error:
C++:/tmp/ccIzlrEe.ltrans4.ltrans.o: In function `_GLOBAL__sub_I_g_databaseTasks.lto_priv.781': <artificial>:(.text.startup+0x1269): undefined reference to `__gmpz_init' <artificial>:(.text.startup+0x127a): undefined reference to `__gmpz_init2' /tmp/ccIzlrEe.ltrans7.ltrans.o: In function `Protocol::RSA_decrypt(NetworkMessage&)': <artificial>:(.text+0x17e9): undefined reference to `__gmpz_init2' <artificial>:(.text+0x17f6): undefined reference to `__gmpz_init2' <artificial>:(.text+0x1818): undefined reference to `__gmpz_import' <artificial>:(.text+0x1830): undefined reference to `__gmpz_powm' <artificial>:(.text+0x183d): undefined reference to `__gmpz_sizeinbase' <artificial>:(.text+0x1894): undefined reference to `__gmpz_export' <artificial>:(.text+0x189e): undefined reference to `__gmpz_clear' <artificial>:(.text+0x18a6): undefined reference to `__gmpz_clear' /tmp/ccIzlrEe.ltrans8.ltrans.o: In function `mainLoader(int, char**, ServiceManager*)': <artificial>:(.text+0x5689): undefined reference to `__gmpz_init2' <artificial>:(.text+0x569e): undefined reference to `__gmpz_init2' <artificial>:(.text+0x56a6): undefined reference to `__gmpz_init' <artificial>:(.text+0x56ba): undefined reference to `__gmpz_set_str' <artificial>:(.text+0x56ce): undefined reference to `__gmpz_set_str' <artificial>:(.text+0x56db): undefined reference to `__gmpz_set_ui' <artificial>:(.text+0x56ed): undefined reference to `__gmpz_mul' <artificial>:(.text+0x56fa): undefined reference to `__gmpz_init2' <artificial>:(.text+0x5707): undefined reference to `__gmpz_init2' <artificial>:(.text+0x5714): undefined reference to `__gmpz_init2' <artificial>:(.text+0x5724): undefined reference to `__gmpz_sub_ui' <artificial>:(.text+0x5734): undefined reference to `__gmpz_sub_ui' <artificial>:(.text+0x5742): undefined reference to `__gmpz_mul' <artificial>:(.text+0x5754): undefined reference to `__gmpz_invert' <artificial>:(.text+0x575c): undefined reference to `__gmpz_clear' <artificial>:(.text+0x5764): undefined reference to `__gmpz_clear' <artificial>:(.text+0x576c): undefined reference to `__gmpz_clear' <artificial>:(.text+0x5774): undefined reference to `__gmpz_clear' <artificial>:(.text+0x577c): undefined reference to `__gmpz_clear' /tmp/ccIzlrEe.ltrans8.ltrans.o:<artificial>:(.text+0x5784): more undefined references to `__gmpz_clear' follow collect2: error: ld returned 1 exit status CMakeFiles/tfs.dir/build.make:1315: recipe for target 'tfs' failed make[2]: *** [tfs] Error 1 CMakeFiles/Makefile2:101: recipe for target 'CMakeFiles/tfs.dir/all' failed make[1]: *** [CMakeFiles/tfs.dir/all] Error 2 Makefile:86: recipe for target 'all' failed make: *** [all] Error 2