This is an issue for both 4.1 branch and trunk. $ grep GCC_ libjava/classpath/configure GCC_NO_EXECUTABLES
-- Summary: [4.1/4.2] Unexpanded macro in libjava/classpath/configure Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: java AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: schwab at suse dot de http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26706