m4/pdns_enable_ipcipher.m4

   1 AC_DEFUN([PDNS_ENABLE_IPCIPHER], [
   2   AC_MSG_CHECKING([whether to enable ipcipher support])
   3   HAVE_IPCIPHER=0
   4   AC_ARG_ENABLE([ipcipher],
   5     AS_HELP_STRING([--enable-ipcipher], [enable ipcipher support (requires libcrypto) @<:@default=auto@:>@]),
   6     [enable_ipcipher=$enableval],
   7     [enable_ipcipher=auto]
   8   )
   9   AC_MSG_RESULT([$enable_ipcipher])
  10
  11   AS_IF([test "x$enable_ipcipher" != "xno"], [
  12     AS_IF([test "x$enable_ipcipher" = "xyes" -o "x$enable_ipcipher" = "xauto"], [
  13       AM_COND_IF([HAVE_LIBCRYPTO], [
  14         AC_DEFINE([HAVE_IPCIPHER], [1], [Define to 1 if you enable ipcipher support])
  15         [HAVE_IPCIPHER=1]
  16       ])
  17     ])
  18   ])
  19   AM_CONDITIONAL([IPCIPHER], [test "x$HAVE_IPCIPHER" != "x0"])
  20
  21   AS_IF([test "x$enable_ipcipher" = "xyes"], [
  22     AS_IF([test x"$HAVE_IPCIPHER" = "x0"], [
  23       AC_MSG_ERROR([ipcipher support requested but libcrypto is not available])
  24     ])
  25   ])
  26 ])