## because we need libotf-0.9.4 or the later.
AC_CHECK_LIB(otf, OTF_check_features, HAVE_OTF=yes, HAVE_OTF=no)
AC_CHECK_HEADER(otf.h,, HAVE_OTF=no)
## because we need libotf-0.9.4 or the later.
AC_CHECK_LIB(otf, OTF_check_features, HAVE_OTF=yes, HAVE_OTF=no)
AC_CHECK_HEADER(otf.h,, HAVE_OTF=no)