Merge pull request #27805 from fccm2/conf-gegl

creates conf-gegl

Author: shonfeder

packages/conf-gegl/conf-gegl.1/opam

@@ -0,0 +1,28 @@
+opam-version: "2.0"
+maintainer: "https://github.com/fccm2"
+homepage: "https://gegl.org/"
+authors: "Øyvind Kolås"
+bug-reports: "https://github.com/ocaml/opam-repository/issues"
+license: "LGPL-3.0-or-later AND GPL-3.0-or-later"
+synopsis: "Virtual package relying on a gegl lib system installation"
+description: """
+This package checks if the gegl lib is installed in the system.
+"""
+depends: [ "conf-pkg-config" ]
+depexts: [
+  ["libgegl-dev"] {os-family = "debian"}
+  ["libgegl-dev"] {os-family = "ubuntu"}
+  ["gegl"] {os = "macos" & os-distribution = "homebrew"}
+  ["gegl"] {os-distribution = "arch"}
+  ["gegl"] {os = "freebsd"}
+  ["gegl"] {os = "openbsd"}
+  ["gegl04-devel"] {os-family = "fedora"}
+  ["libgegl-devel"] {os-family = "suse" | os-family = "opensuse"}
+  ["gegl-dev"] {os-distribution = "alpine"}
+  ["libgegl-devel"] {os-distribution = "mageia"}
+  ["gegl"] {os-distribution = "nixos"}
+]
+build: [
+  ["sh" "-c" "pkg-config --exists gegl-0.4"]
+]
+flags: conf