dnl Greps FILE for REGEX. If it matches, runs IF-MATCH, otherwise IF-NO-MATCH.
AC_DEFUN([OVS_GREP_IFELSE], [
AC_MSG_CHECKING([whether $2 matches in $1])
dnl Greps FILE for REGEX. If it matches, runs IF-MATCH, otherwise IF-NO-MATCH.
AC_DEFUN([OVS_GREP_IFELSE], [
AC_MSG_CHECKING([whether $2 matches in $1])