...
  CXXLD    libbitcoinconsensus.la
  AR       libbitcoin_util.a
  CXXLD    bitcoin-cli
  CXXLD    bitcoin-tx
  CXXLD    bitcoin-util
/usr/bin/ld: libbitcoin_common.a(libbitcoin_common_a-url.o): in function `urlDecode(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/hassen/Workspace/OpenSource/bitcoin/src/common/url.cpp:15:(.text+0x61): undefined reference to `evhttp_uridecode'
/usr/bin/ld: libbitcoin_common.a(libbitcoin_common_a-url.o): in function `urlDecode(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/hassen/Workspace/OpenSource/bitcoin/src/common/url.cpp:15:(.text+0x61): undefined reference to `evhttp_uridecode'
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:7407: bitcoin-util] Error 1
make[2]: *** Waiting for unfinished jobs....
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:7403: bitcoin-tx] Error 1
make[2]: Leaving directory '/home/hassen/Workspace/OpenSource/bitcoin/src'
make[1]: *** [Makefile:20138: all-recursive] Error 1
make[1]: Leaving directory '/home/hassen/Workspace/OpenSource/bitcoin/src'
make: *** [Makefile:814: all-recursive] Error 1