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AC_DEFUN([PDNS_ENABLE_IPCIPHER], [
AC_MSG_CHECKING([whether to enable ipcipher support])
HAVE_IPCIPHER=0
AC_ARG_ENABLE([ipcipher],
AS_HELP_STRING([--enable-ipcipher], [enable ipcipher support (requires libcrypto) @<:@default=auto@:>@]),
[enable_ipcipher=$enableval],
[enable_ipcipher=auto]
)
AC_MSG_RESULT([$enable_ipcipher])
AS_IF([test "x$enable_ipcipher" != "xno"], [
AS_IF([test "x$enable_ipcipher" = "xyes" -o "x$enable_ipcipher" = "xauto"], [
AM_COND_IF([HAVE_LIBCRYPTO], [
AC_DEFINE([HAVE_IPCIPHER], [1], [Define to 1 if you enable ipcipher support])
[HAVE_IPCIPHER=1]
])
])
])
AM_CONDITIONAL([IPCIPHER], [test "x$HAVE_IPCIPHER" != "x0"])
AS_IF([test "x$enable_ipcipher" = "xyes"], [
AS_IF([test x"$HAVE_IPCIPHER" = "x0"], [
AC_MSG_ERROR([ipcipher support requested but libcrypto is not available])
])
])
])
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