dnl
dnl @synopsis ACX_BLAS95([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
dnl
dnl Written by Jonas Juselius <jonas@iki.fi>
dnl

AC_DEFUN([ACX_BLAS95], [
AC_PREREQ(2.59)
AC_REQUIRE([AC_PROG_FC])
AC_REQUIRE([ACX_BLAS])
AC_REQUIRE([AX_F90_MODULE_FLAG])
AC_REQUIRE([AX_F90_MODULE_EXTENSION])

if test "x$ax_f90_modext" = "xunknown" ; then
     AC_MSG_ERROR([unable to find f90 modules extension])
fi

acx_blas95_save_LIBS="LIBS"
LIBS="$BLAS_LIBS $LIBS"

AX_F90_LIBRARY_SETUP([blas95],[],[f95_blas.$ax_f90_modext],[libblas95*],[
use f95_blas
real, dimension(2,2) :: a=0.0, b=0.0, c
call gemm(a,b,c)
],[$FC_SEARCH_PAATH])

LIBS="$axc_blas95_save_LIBS"

# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test x"$ax_f90_library_blas95_ok" = xyes; then
        ifelse([$1],,AC_DEFINE(HAVE_BLAS95,1,[Define if you have BLAS95 library.]),[$1])
        :
else
        acx_blas95_ok=no
        $2
fi

]) dnl ACX_BLAS95