build: meson: Add remote driver build

meson.build

@@ -147,7 +147,7 @@ if 'v4l2' in drivers
 endif
 
 if 'auto' in drivers
-	drivers += ['dummy', 'hdk', 'hydra', 'ns', 'psmv']
+	drivers += ['dummy', 'hdk', 'hydra', 'ns', 'psmv', 'remote']
 endif
 
 openhmd = dependency('openhmd', required: openhmd_required)

meson_options.txt

@@ -3,7 +3,7 @@
 
 option('drivers',
 	type: 'array',
-	choices: ['auto', 'dummy', 'hdk', 'hydra', 'ns', 'ohmd', 'psmv', 'psvr', 'rs', 'v4l2', 'vive', 'survive', 'daydream', 'arduino'],
+	choices: ['auto', 'dummy', 'hdk', 'hydra', 'ns', 'ohmd', 'psmv', 'psvr', 'rs', 'v4l2', 'vive', 'survive', 'daydream', 'arduino', 'remote'],
 	value: ['auto'],
 	description: 'Set of drivers to build')
 

src/xrt/drivers/meson.build

@@ -107,6 +107,20 @@ lib_drv_rs = static_library(
 	build_by_default: 'rs' in drivers,
 )
 
+lib_drv_remote = static_library(
+	'drv_remote',
+	files(
+		'remote/r_device.c',
+		'remote/r_hmd.c',
+		'remote/r_hub.c',
+		'remote/r_interface.h',
+		'remote/r_internal.h',
+	),
+	include_directories: xrt_include,
+	dependencies: [aux],
+	build_by_default: 'remote' in drivers,
+)
+
 lib_drv_v4l2 = static_library(
 	'drv_v4l2',
 	files(

src/xrt/drivers/remote/r_hub.c

@@ -24,8 +24,9 @@
 #include <netdb.h>
 #include <arpa/inet.h>
 #include <netinet/in.h>
-#include <netinet/tcp.h>
 
+#define __USE_MISC // SOL_TCP on C11
+#include <netinet/tcp.h>
 
 /*
  *

src/xrt/targets/meson.build

@@ -65,6 +65,10 @@ if 'arduino' in drivers
 	driver_libs += [lib_drv_arduino]
 endif
 
+if 'remote' in drivers
+	driver_libs += [lib_drv_remote]
+endif
+
 subdir('common')
 subdir('openxr')
 subdir('cli')

src/xrt/targets/openxr/meson.build

@@ -82,6 +82,10 @@ else
 	]
 endif
 
+if 'remote' in drivers
+	libs += lib_drv_remote
+endif
+
 mapfile = 'libopenxr.version'
 version_script_flag = '-Wl,--version-script,@0@/@1@'.format(meson.current_source_dir(), mapfile)
 openxr = library(