nut: enable the GPIO driver

NUT wants to build it by default, so allow it. It works with libgpiod_1,
not libgpiod. The closure size increases from 365 MiB to 366 MiB.

pkgs/applications/misc/nut/default.nix

@@ -7,6 +7,7 @@
 , freeipmi
 , gd
 , i2c-tools
+, libgpiod_1
 , libmodbus
 , libtool
 , libusb1
@@ -42,6 +43,7 @@ stdenv.mkDerivation rec {
       src = ./hardcode-paths.patch;
       avahi = "${avahi}/lib";
       freeipmi = "${freeipmi}/lib";
+      libgpiod = "${libgpiod_1}/lib";
       libusb = "${libusb1}/lib";
       neon = "${neon}/lib";
       libmodbus = "${libmodbus}/lib";
@@ -49,14 +51,13 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  buildInputs = [ neon libusb1 openssl udev avahi freeipmi libmodbus libtool i2c-tools net-snmp gd ];
+  buildInputs = [ neon libusb1 openssl udev avahi freeipmi libgpiod_1 libmodbus libtool i2c-tools net-snmp gd ];
 
   nativeBuildInputs = [ autoreconfHook pkg-config makeWrapper ];
 
   configureFlags =
     [ "--with-all"
       "--with-ssl"
-      "--without-gpio"
       "--without-powerman" # Until we have it ...
       "--with-systemdsystemunitdir=$(out)/lib/systemd/system"
       "--with-systemdshutdowndir=$(out)/lib/systemd/system-shutdown"

pkgs/applications/misc/nut/hardcode-paths.patch

@@ -1,11 +1,12 @@
 --- a/common/common.c
 +++ b/common/common.c
-@@ -1990,6 +1990,12 @@ ssize_t select_write(serial_handler_t *fd, const void *buf, const size_t buflen,
+@@ -1990,6 +1990,13 @@ ssize_t select_write(serial_handler_t *fd, const void *buf, const size_t buflen,
   * communications media and/or vendor protocol.
   */
  static const char * search_paths_builtin[] = {
 +	"@avahi@",
 +	"@freeipmi@",
++	"@libgpiod@",
 +	"@libusb@",
 +	"@neon@",
 +	"@libmodbus@",