DX_PROG_MD5SUM
AS_IF([test x"$dx_cv_md5sum_works" = x"yes"],
[AC_SUBST([HAVE_MD5SUM], [true])],
[AC_SUBST([HAVE_MD5SUM], [false])])
AC_SUBST([MD5SUM])
DX_PROG_MD5SUM
AS_IF([test x"$dx_cv_md5sum_works" = x"yes"],
[AC_SUBST([HAVE_MD5SUM], [true])],
[AC_SUBST([HAVE_MD5SUM], [false])])
AC_SUBST([MD5SUM])