LinuxBSD now compiles without vulkan/x11.

SConstruct

@@ -123,6 +123,7 @@ opts.Add(BoolVariable("use_lto", "Use link-time optimization", False))
 opts.Add(BoolVariable("deprecated", "Enable deprecated features", True))
 opts.Add(BoolVariable("minizip", "Enable ZIP archive support using minizip", True))
 opts.Add(BoolVariable("xaudio2", "Enable the XAudio2 audio driver", False))
+opts.Add(BoolVariable("vulkan", "Enable the vulkan video driver", True))
 opts.Add("custom_modules", "A list of comma-separated directory paths containing custom modules to build.", "")
 opts.Add(BoolVariable("custom_modules_recursive", "Detect custom modules recursively for each specified path.", True))
 

drivers/SCsub

@@ -23,10 +23,8 @@ SConscript("coremidi/SCsub")
 SConscript("winmidi/SCsub")
 
 # Graphics drivers
-if env["platform"] != "javascript":
+if env["vulkan"]:
     SConscript("vulkan/SCsub")
-else:
-    SConscript("dummy/SCsub")
 
 # Core dependencies
 SConscript("png/SCsub")

platform/javascript/detect.py

@@ -53,6 +53,7 @@ def get_flags():
         # in this platform. For the available networking methods, the browser
         # manages TLS.
         ("module_mbedtls_enabled", False),
+        ("vulkan", False),
     ]
 
 

platform/linuxbsd/SCsub

@@ -5,21 +5,27 @@ Import("env")
 from platform_methods import run_in_subprocess
 import platform_linuxbsd_builders
 
-common_x11 = [
+common_linuxbsd = [
     "crash_handler_linuxbsd.cpp",
     "os_linuxbsd.cpp",
     "joypad_linux.cpp",
-    "context_gl_x11.cpp",
-    "detect_prime_x11.cpp",
-    "display_server_x11.cpp",
-    "vulkan_context_x11.cpp",
-    "key_mapping_x11.cpp",
 ]
 
+if "x11" in env and env["x11"]:
+    common_linuxbsd += [
+        "context_gl_x11.cpp",
+        "detect_prime_x11.cpp",
+        "display_server_x11.cpp",
+        "key_mapping_x11.cpp",
+    ]
+
+if "vulkan" in env and env["vulkan"]:
+    common_linuxbsd.append("vulkan_context_x11.cpp")
+
 if "udev" in env and env["udev"]:
-    common_x11.append("libudev-so_wrap.c")
+    common_linuxbsd.append("libudev-so_wrap.c")
 
-prog = env.add_program("#bin/godot", ["godot_linuxbsd.cpp"] + common_x11)
+prog = env.add_program("#bin/godot", ["godot_linuxbsd.cpp"] + common_linuxbsd)
 
 if env["debug_symbols"] and env["separate_debug_symbols"]:
     env.AddPostAction(prog, run_in_subprocess(platform_linuxbsd_builders.make_debug_linuxbsd))

platform/linuxbsd/detect.py

@@ -73,6 +73,7 @@ def get_opts():
         BoolVariable("use_msan", "Use LLVM compiler memory sanitizer (MSAN)", False),
         BoolVariable("pulseaudio", "Detect and use PulseAudio", True),
         BoolVariable("udev", "Use udev for gamepad connection callbacks", True),
+        BoolVariable("x11", "Enable X11 display", True),
         BoolVariable("debug_symbols", "Add debugging symbols to release/release_debug builds", True),
         BoolVariable("separate_debug_symbols", "Create a separate file containing debugging symbols", False),
         BoolVariable("touch", "Enable touch events", True),
@@ -362,18 +363,26 @@ def configure(env):
         env.ParseConfig("pkg-config zlib --cflags --libs")
 
     env.Prepend(CPPPATH=["#platform/linuxbsd"])
-    env.Append(CPPDEFINES=["X11_ENABLED", "UNIX_ENABLED"])
+
+    if env["x11"]:
+        if not env["vulkan"]:
+            print("Error: X11 support requires vulkan=yes")
+            env.Exit(255)
+        env.Append(CPPDEFINES=["X11_ENABLED"])
+
+    env.Append(CPPDEFINES=["UNIX_ENABLED"])
     env.Append(CPPDEFINES=[("_FILE_OFFSET_BITS", 64)])
 
-    env.Append(CPPDEFINES=["VULKAN_ENABLED"])
-    if not env["builtin_vulkan"]:
-        env.ParseConfig("pkg-config vulkan --cflags --libs")
-    if not env["builtin_glslang"]:
-        # No pkgconfig file for glslang so far
-        env.Append(LIBS=["glslang", "SPIRV"])
+    if env["vulkan"]:
+        env.Append(CPPDEFINES=["VULKAN_ENABLED"])
+        if not env["builtin_vulkan"]:
+            env.ParseConfig("pkg-config vulkan --cflags --libs")
+        if not env["builtin_glslang"]:
+            # No pkgconfig file for glslang so far
+            env.Append(LIBS=["glslang", "SPIRV"])
 
-    # env.Append(CPPDEFINES=['OPENGL_ENABLED'])
-    env.Append(LIBS=["GL"])
+        # env.Append(CPPDEFINES=['OPENGL_ENABLED'])
+        env.Append(LIBS=["GL"])
 
     env.Append(LIBS=["pthread"])