AM_PROG_LIBTOOL
dnl check for doxygen
-AC_PATH_PROG(DOXYGEN, doxygen, $PATH)
-AM_CONDITIONAL(HAVE_DOXYGEN, test -n $DOXYGEN);
+AC_PATH_PROG(DOXYGEN, doxygen)
+AM_CONDITIONAL(HAVE_DOXYGEN, test -n $DOXYGEN)
AM_CONDITIONAL(AUTOCHECK, test "$enable_autocheck" = yes)
AM_PATH_CPPUNIT(1.8.0)