Hello > ./configure --with-llvmsrc=../llvm --with-gnu-classpath-glibj=../classpath-0.97.2/lib/glibj.zip --with-gnu-classpath-libs=../classpath-0.97.2/lib/ --with-mmtk-plan=org.mmtk.plan.marksweep.MS what does clang -v show for you? -- With best regards, Anton Korobeynikov Faculty of Mathematics and Mechanics, Saint Petersburg State University