rhel-4 has jv-scan4
Index: frysk-gui/ChangeLog 2005-12-10 Andrew Cagney <cagney@redhat.com> * configure.ac (RPATH): Move to after call to PKG_CHECK_MODULES (which sets PKG_CONFIG). Index: frysk-gui/common/ChangeLog 2005-12-10 Andrew Cagney <cagney@redhat.com> * Makefile.rules (MKJAVA): Use $(JV_SCAN). * acinclude.m4 (JV_SCAN): Check for jv-scan.