dnl
dnl @synopsis ACX_LAPACK95([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
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dnl Written by Jonas Juselius <jonas@iki.fi>
dnl

AC_DEFUN([ACX_LAPACK95], [
AC_PREREQ(2.59)
AC_REQUIRE([AC_PROG_FC])
AC_REQUIRE([ACX_LAPACK])
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_lapack95_save_LIBS="LIBS"
LIBS="$LAPACK_LIBS $BLAS_LIBS $LIBS"

AX_F90_LIBRARY_SETUP([lapack95],[],[f95_lapack.$ax_f90_modext],[liblapack95*],[
use f95_lapack
real, dimension(2,2) :: a=0.0
real, dimension(2) :: b=0.0
a(1,1)=1.0; a(2,2)=1.0
call syev(a,b)
],[$FC_SEARCH_PATH])

LIBS="$axc_lapack95_save_LIBS"

# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test x"$ax_f90_library_lapack95_ok" = xyes; then
        ifelse([$1],,AC_DEFINE(HAVE_LAPACK95,1,[Define if you have LAPACK95 library.]),[$1])
        :
else
        acx_lapack95_ok=no
        $2
fi

]) dnl ACX_LAPACK95