AC_DEFUN([AX_CHECK_SVML], ## Check for Intel Short Vector Math Library support. If found define ## HAVE_INTEL_SVML. [AC_MSG_CHECKING([for Intel SVML]) cv_have_svml=no #AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[_mm256_sin_ps(0);]])],[cv_have_svml=yes], []) AC_TRY_LINK_FUNC(_mm256_sin_ps, [cv_have_svml=yes], []) if test "$cv_have_svml" = yes; then AC_MSG_RESULT($cv_have_svml) AC_DEFINE(HAVE_INTEL_SVML,1,[Define if SVL library is available]) fi ])