trying to compile the wallet but get following error by "make"
/usr/bin/ld: cannot find -lgmp
collect2: error: ld returned 1 exit status
Makefile:4345: recipe for target 'libcryptoncoinconsensus.la' failed
make[2]: *** [libcryptoncoinconsensus.la] Error 1
make[2]: Leaving directory '/root/source_code/cryptoncoin/src'
Makefile:11311: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/root/source_code/cryptoncoin/src'
Makefile:686: recipe for target 'all-recursive' failed
make: *** [all-recursive] Error 1
Any hints?