From 2cf34abb50451788cab45dc2741c3ca9215c7c18 Mon Sep 17 00:00:00 2001
From: Simon Cruanes <simon.cruanes.2007@m4x.org>
Date: Thu, 8 May 2025 11:16:21 -0400
Subject: [PATCH] require OCaml 4.12

---
 .github/workflows/main.yml |  1 +
 dune-project               | 31 ++++++++++++++++++++++++-------
 nanoev-picos.opam          |  2 +-
 nanoev-posix.opam          |  2 +-
 nanoev.opam                |  2 +-
 5 files changed, 28 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0a73e77..a28345c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,6 +16,7 @@ jobs:
         os:
             - ubuntu-latest
         ocaml-compiler:
+            - '4.12'
             - '5.0'
             - '5.3'
 
diff --git a/dune-project b/dune-project
index db3a77e..511de79 100644
--- a/dune-project
+++ b/dune-project
@@ -1,11 +1,18 @@
 (lang dune 2.7)
+
 (name nanoev)
+
 (generate_opam_files true)
+
 (source
  (github c-cube/nanoev))
+
 (authors "Simon Cruanes")
+
 (maintainers "Simon Cruanes")
+
 (version 0.1)
+
 (license MIT)
 
 ;(documentation https://url/to/documentation)
@@ -13,7 +20,11 @@
 (package
  (name nanoev)
  (synopsis "Tiny event loop abstraction")
- (depends ocaml dune base-unix)
+ (depends
+  (ocaml
+   (>= 4.12))
+  dune
+  base-unix)
  (depopts
   (trace
    (>= 0.7)))
@@ -24,7 +35,8 @@
  (name nanoev-picos)
  (synopsis "Use nanoev from picos")
  (depends
-  ocaml
+  (ocaml
+   (>= 4.12))
   dune
   base-unix
   (nanoev
@@ -46,12 +58,15 @@
  (name nanoev-posix)
  (synopsis "Use mtime+iomux (posix compliant) as a backend for nanoev")
  (depends
-  ocaml
+  (ocaml
+   (>= 4.12))
   dune
   base-unix
   iomux
-  (nanoev (= :version))
-  (nanoev-picos (= :version))
+  (nanoev
+   (= :version))
+  (nanoev-picos
+   (= :version))
   (mtime
    (>= 2.0))
   (moonpool :with-test)
@@ -66,8 +81,10 @@
  (depends
   ocaml
   dune
-  (nanoev (= :version))
-  (nanoev-picos (= :version))
+  (nanoev
+   (= :version))
+  (nanoev-picos
+   (= :version))
   picos
   picos_std
   (tiny_httpd
diff --git a/nanoev-picos.opam b/nanoev-picos.opam
index 44e1230..6c5e442 100644
--- a/nanoev-picos.opam
+++ b/nanoev-picos.opam
@@ -8,7 +8,7 @@ tags: ["unix" "select" "async"]
 homepage: "https://github.com/c-cube/nanoev"
 bug-reports: "https://github.com/c-cube/nanoev/issues"
 depends: [
-  "ocaml"
+  "ocaml" {>= "4.12"}
   "dune" {>= "2.7"}
   "base-unix"
   "nanoev" {= version}
diff --git a/nanoev-posix.opam b/nanoev-posix.opam
index b9df267..d5280ad 100644
--- a/nanoev-posix.opam
+++ b/nanoev-posix.opam
@@ -8,7 +8,7 @@ tags: ["unix" "select" "async" "iomux" "nanoev"]
 homepage: "https://github.com/c-cube/nanoev"
 bug-reports: "https://github.com/c-cube/nanoev/issues"
 depends: [
-  "ocaml"
+  "ocaml" {>= "4.12"}
   "dune" {>= "2.7"}
   "base-unix"
   "iomux"
diff --git a/nanoev.opam b/nanoev.opam
index 8268f40..3ab3f13 100644
--- a/nanoev.opam
+++ b/nanoev.opam
@@ -8,7 +8,7 @@ tags: ["unix" "select" "async"]
 homepage: "https://github.com/c-cube/nanoev"
 bug-reports: "https://github.com/c-cube/nanoev/issues"
 depends: [
-  "ocaml"
+  "ocaml" {>= "4.12"}
   "dune" {>= "2.7"}
   "base-unix"
   "odoc" {with-doc}