AC_PROG_RANLIB
AC_PROG_MKDIR_P
AC_PROG_FGREP
+AC_PROG_EGREP
AC_ARG_VAR([PERL], [path to Perl interpreter])
AC_PATH_PROG([PERL], perl, no)
OVS_CHECK_LINKER_SECTIONS
OVS_CHECK_XENSERVER_VERSION
OVS_CHECK_GROFF
-OVS_CHECK_BRCOMPAT
OVS_CHECK_GNU_MAKE
OVS_CHECK_CACHE_TIME