conf-capnproto: Add support for distributions derived of ubuntu, archlinux, gentoo and alpine

Author: kit-ty-kate

packages/conf-capnproto/conf-capnproto.2/opam

@@ -13,12 +13,13 @@ build: [
   ["capnp" "--version"]
 ]
 depexts: [
-  ["capnproto-dev"] {os-distribution = "alpine"}
-  ["capnproto"] {os-distribution = "arch"}
+  ["capnproto-dev"] {os-family = "alpine"}
+  ["capnproto"] {os-family = "arch"}
   ["capnproto" "capnproto-devel" "epel-release"] {os-distribution = "centos"}
   ["capnproto" "libcapnp-dev"] {os-family = "debian"}
+  ["capnproto" "libcapnp-dev"] {os-family = "ubuntu"}
   ["capnproto" "capnproto-devel"] {os-distribution = "fedora"}
-  ["capnproto"] {os-distribution = "gentoo"}
+  ["capnproto"] {os-family = "gentoo"}
   ["capnp"] {os-distribution = "homebrew" & os = "macos"}
   ["capnproto"] {os-distribution = "macports" & os = "macos"}
   ["capnproto" "libcapnp-devel"] {os-family = "suse"}