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-rw-r--r--m4/pdns_enable_ipcipher.m426
1 files changed, 26 insertions, 0 deletions
diff --git a/m4/pdns_enable_ipcipher.m4 b/m4/pdns_enable_ipcipher.m4
new file mode 100644
index 0000000..daa92c3
--- /dev/null
+++ b/m4/pdns_enable_ipcipher.m4
@@ -0,0 +1,26 @@
+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])
+ ])
+ ])
+])