sandeep@ubuntu:~/lttng-git/lttng-ust/tests/hello2$ clang -emit-llvm -O2 -I. -o hello -ldl -llttng-ust hello.c tp.c
/usr/bin/ld: error: /tmp/hello-u3dmcq.o:1:3: invalid character
/usr/bin/ld: error: /tmp/hello-u3dmcq.o:1:3: syntax error, unexpected $end
/usr/bin/ld: error: /tmp/hello-u3dmcq.o: not an object or archive
/usr/bin/ld: error: /tmp/tp-1CR8ta.o:1:3: invalid character
/usr/bin/ld: error: /tmp/tp-1CR8ta.o:1:3: syntax error, unexpected $end
/usr/bin/ld: error: /tmp/tp-1CR8ta.o: not an object or archive
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu/crt1.o(.text+0x20): error: undefined reference to 'main'
clang: error: linker command failed with exit code 1 (use -v to see invocation)