ld
will no longer automatically search in the dependencies of linked objects.
A
and B
, it will not compile unless A
and B
are both explicitly linked.
/usr/bin/ld: gpx-parser.o: undefined reference to symbol 'acos@@GLIBC_2.0' /usr/bin/ld: note: 'acos@@GLIBC_2.0' is defined in DSO /lib/libm.so.6 so try adding it to the linker command line
.o
needs to explicitly link libm.