m4/pdns_with_libdecaf.m4

   1 AC_DEFUN([PDNS_WITH_LIBDECAF],[
   2   AC_MSG_CHECKING([whether we will be linking in libdecaf])
   3   AC_ARG_WITH([libdecaf],
   4     [AS_HELP_STRING([--with-libdecaf],[use libdecaf  @<:@default=no@:>@])],
   5     [with_libdecaf=$withval],
   6     [with_libdecaf=no]
   7   )
   8   AC_MSG_RESULT([$with_libdecaf])
   9
  10   AM_CONDITIONAL([LIBDECAF],[test "x$with_libdecaf" != "xno"])
  11
  12   AS_IF([test "x$with_libdecaf" != "xno"],[
  13     save_LIBS=$LIBS
  14     LIBS=""
  15     AC_SEARCH_LIBS([decaf_ed25519_sign],[decaf],[
  16       AC_DEFINE([HAVE_LIBDECAF],[1],[Define to 1 if you have libdecaf])
  17       AC_SUBST([LIBDECAF_LIBS],["$LIBS"])
  18     ],[
  19         AC_MSG_ERROR([Could not find libdecaf])
  20     ])
  21     LIBS="$save_LIBS"
  22   ])
  23 ])