libucontext: init at 1.2

pkgs/development/libraries/libucontext/default.nix

···
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "libucontext";
+  version = "1.2";
+
+  src = fetchFromGitHub {
+    owner = "kaniini";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-fk3ZKkp3dsyeF6SOWSccr5MkKEwS4AAuosD/h+6wjSw=";
+  };
+
+  makeFlags = [ "DESTDIR=$(out)" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/kaniini/libucontext";
+    description = "ucontext implementation featuring glibc-compatible ABI";
+    license = licenses.isc;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.yuka ];
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   libusbsio = callPackage ../development/libraries/libusbsio { };
 
+  libucontext = callPackage ../development/libraries/libucontext { };
+
   libutempter = callPackage ../development/libraries/libutempter { };
 
   libuldaq = callPackage ../development/libraries/libuldaq { };