From 405623610da5d5228167fd91e701042f2c18ad38 Mon Sep 17 00:00:00 2001
From: craff <christophe@raffalli.eu>
Date: Tue, 6 Dec 2022 17:36:23 -1000
Subject: [PATCH] conditional compilation for ocaml 4

---
 dune-project     | 2 +-
 examples/dune    | 2 ++
 src/domains/dune | 1 +
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/dune-project b/dune-project
index 929c696e..5bbef0b4 100644
--- a/dune-project
+++ b/dune-project
@@ -1 +1 @@
-(lang dune 2.0)
+(lang dune 2.5)
diff --git a/examples/dune b/examples/dune
index 741e204c..790f07e6 100644
--- a/examples/dune
+++ b/examples/dune
@@ -7,6 +7,7 @@
 (executable
   (name sse_server_domains)
   (modules sse_server_domains)
+  (enabled_if (>= %{ocaml_version} 5.00.0))
   (libraries tiny_httpd tiny_httpd_domains unix ptime ptime.clock.os))
 
 (executable
@@ -23,6 +24,7 @@
 (executable
   (name echo_domains)
   (flags :standard -warn-error -a+8)
+  (enabled_if (>= %{ocaml_version} 5.00.0))
   (modules echo_domains vfs_domains)
   (libraries tiny_httpd tiny_httpd_camlzip tiny_httpd_domains))
 
diff --git a/src/domains/dune b/src/domains/dune
index 1aa16574..573cfd33 100644
--- a/src/domains/dune
+++ b/src/domains/dune
@@ -2,6 +2,7 @@
 (library
   (name tiny_httpd_domains)
   (public_name tiny_httpd_domains)
+  (enabled_if (>= %{ocaml_version} 5.00.0))
   (synopsis "Allowing to use ocaml domains instead of theads")
   (flags :standard -safe-string -warn-error -a+8)
   (libraries tiny_httpd domainslib))