libpq: init at 16.1

pkgs/servers/sql/postgresql/libpq.nix

@@ -0,0 +1,61 @@
+{ stdenv
+, lib
+, openssl
+, zlib
+, libkrb5
+, icu
+, postgresql
+, pkg-config
+, tzdata
+, gssSupport ? !stdenv.hostPlatform.isWindows
+}:
+
+stdenv.mkDerivation {
+  pname = "libpq";
+  inherit (postgresql) src version;
+
+  configureFlags = [
+    "--with-openssl"
+    "--with-icu"
+    "--without-readline"
+    "--with-system-tzdata=${tzdata}/share/zoneinfo"
+    "--enable-debug"
+  ]
+  ++ lib.optionals gssSupport [ "--with-gssapi" ];
+
+  nativeBuildInputs = [ pkg-config tzdata ];
+  buildInputs = [ openssl zlib icu ]
+    ++ lib.optional gssSupport libkrb5;
+
+  enableParallelBuilding = !stdenv.isDarwin;
+
+  separateDebugInfo = true;
+
+  buildFlags = [ "submake-libpq" "submake-libpgport" ];
+
+  installPhase = ''
+    runHook preInstall
+
+    make -C src/bin/pg_config install
+    make -C src/common install
+    make -C src/include install
+    make -C src/interfaces/libpq install
+    make -C src/port install
+
+    moveToOutput "bin" "$dev"
+    moveToOutput "lib/*.a" "$static"
+    rm -rfv $out/share
+
+    runHook postInstall
+  '';
+
+  outputs = [ "out" "dev" "static" ];
+
+  meta = with lib; {
+    homepage = "https://www.postgresql.org";
+    description = "Client API library for PostgreSQL";
+    license = licenses.postgresql;
+    maintainers = with maintainers; [ szlend ];
+    platforms = platforms.unix;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -27123,6 +27123,8 @@ with pkgs;
 
   timescaledb-tune = callPackage ../development/tools/database/timescaledb-tune { };
 
+  libpq = callPackage ../servers/sql/postgresql/libpq.nix { postgresql = postgresql_16; };
+
   inherit (import ../servers/sql/postgresql pkgs)
     postgresql_12
     postgresql_13