diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e35d885
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+_build
diff --git a/CHANGES.md b/CHANGES.md
new file mode 100644
index 0000000..ade8b43
--- /dev/null
+++ b/CHANGES.md
@@ -0,0 +1,3 @@
+# v1.0.0
+
+- Initial release
diff --git a/LICENSE b/LICENSE.md
similarity index 100%
rename from LICENSE
rename to LICENSE.md
diff --git a/README.md b/README.md
index 6f4080f..7b36217 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
-# ocaml-conf-netsnmp
-OPAM NetSNMP library dependencies
+Virtual package relying on net-snmp libs
+========================================
+
+Virtual package relying on net-snmp system libraries installation.
+This package can only install if the net-snmp lib and development packages
+are installed on the system.
diff --git a/conf-netsnmp.opam b/conf-netsnmp.opam
new file mode 100644
index 0000000..b1bf26d
--- /dev/null
+++ b/conf-netsnmp.opam
@@ -0,0 +1,24 @@
+opam-version: "1.2"
+maintainer: "Steve Bleazard <stevebleazard@googlemail.com>"
+authors: "Steve Bleazard <stevebleazard@googlemail.com>"
+homepage: "https://www.github.com/stevebleazard/ocaml-conf-netsnmp"
+bug-reports: "https://www.github.com/stevebleazard/ocaml-conf-netsnmp/issues"
+license: "MIT"
+dev-repo: "https://www.github.com/stevebleazard/ocaml-conf-netsnmp.git"
+
+depexts: [
+  [["debian"] ["libsnmp-dev"]]
+  [["ubuntu"] ["libsnmp-dev"]]
+  [["centos"] ["net-snmp-libs" "net-snmp-devel"]]
+  [["fedora"] ["net-snmp-libs" "net-snmp-devel"]]
+  [["opensuse"] ["libsnmp30" "net-snmp-devel"]]
+  [["alpine"] ["net-snmp-libs" "net-snmp-dev"]]
+  [["freebsd"] [ ]]
+  [["openbsd"] [ ]]
+]
+
+build: [
+  ["sh" "-exc" "cc -c $CFLAGS -I/usr/local/include files/test.c"]
+]
+
+available: [ os != "darwin" ]
diff --git a/descr b/descr
new file mode 100644
index 0000000..dc4e241
--- /dev/null
+++ b/descr
@@ -0,0 +1,3 @@
+Virtual package relying on net-snmp system libraries installation.
+This package can only install if the net-snmp lib and development packages
+are installed on the system.
diff --git a/files/test.c b/files/test.c
new file mode 100644
index 0000000..14fb351
--- /dev/null
+++ b/files/test.c
@@ -0,0 +1,11 @@
+#include <net-snmp/net-snmp-config.h>
+#include <net-snmp/mib_api.h>
+
+#ifndef NET_SNMP_MIB_API_H
+#error "No NetSNMP header"
+#endif
+
+void test(void)
+{
+  netsnmp_init_mib();
+}
diff --git a/pkg/pkg.ml b/pkg/pkg.ml
new file mode 100644
index 0000000..1a04c2b
--- /dev/null
+++ b/pkg/pkg.ml
@@ -0,0 +1,2 @@
+#use "topfind"
+#require "topkg-jbuilder.auto"