xchat-gnome-0.26.2-7.git40c5bf988.fc18 fails to build in F18: CCLD xchat-gnome /usr/bin/ld: ../../src/libeggsmclient/.libs/libeggsmclient.a(eggsmclient-xsmp.o): undefined reference to symbol 'IceProcessMessages' /usr/bin/ld: note: 'IceProcessMessages' is defined in DSO /lib64/libICE.so.6 so try adding it to the linker command line /lib64/libICE.so.6: could not read symbols: Invalid operation collect2: error: ld returned 1 exit status It fails to link because of undefined reference to symbol `IceProcessMessages'. It must link to /lib/libICE.so.6 explicitly.
Fixed (wasn't the only lib)