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[SCons] Add GDExtension method to scons. #901

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[SCons] Add GDExtension method to scons. #901

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23 changes: 23 additions & 0 deletions SConstruct
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,28 @@ def add_sources(sources, dir, extension):
sources.append(dir + "/" + f)


def make_gdextension(env, name, sources, library_dir="lib", entry_symbol="", output_dir=""):
target_dir = output_dir if output_dir else name
init = entry_symbol if entry_symbol else f"{name}_library_init"
autodetect_prefix = "{}/lib{}".format(library_dir, name)
lib = env.SharedLibrary(
target_dir + "/" + "{}{}{}".format(autodetect_prefix, env["suffix"], env["SHLIBSUFFIX"]),
source=sources,
)
ext_text = """[configuration]
entry_symbol = "{}"

[libraries]
autodetect_prefix = "{}"
""".format(
init, autodetect_prefix
)
config = env.Textfile("{}/{}.gdextension".format(target_dir, name), ext_text)
env.AlwaysBuild(config)
env.NoCache(config)
return [env.Dir(target_dir), lib, config]


# Try to detect the host platform automatically.
# This is used if no `platform` argument is passed
if sys.platform.startswith("linux"):
Expand Down Expand Up @@ -229,4 +251,5 @@ if env["build_library"]:

env.Append(LIBPATH=[env.Dir("bin")])
env.Append(LIBS=library_name)
env.AddMethod(make_gdextension, "GDExtension")
Return("env")
3 changes: 3 additions & 0 deletions test/.gitignore
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Expand Up @@ -2,6 +2,9 @@
build
bin

# Generated extension directory
demo/gdexample

# Godot 4+ specific ignores
.godot/

Expand Down
14 changes: 1 addition & 13 deletions test/SConstruct
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Original file line number Diff line number Diff line change
Expand Up @@ -16,17 +16,5 @@ env = SConscript("../SConstruct")
env.Append(CPPPATH=["src/"])
sources = Glob("src/*.cpp")

if env["platform"] == "macos":
library = env.SharedLibrary(
"demo/bin/libgdexample.{}.{}.framework/libgdexample.{}.{}".format(
env["platform"], env["target"], env["platform"], env["target"]
),
source=sources,
)
else:
library = env.SharedLibrary(
"demo/bin/libgdexample{}{}".format(env["suffix"], env["SHLIBSUFFIX"]),
source=sources,
)

library = env.GDExtension("gdexample", sources, output_dir="demo/gdexample")
Default(library)
18 changes: 0 additions & 18 deletions test/demo/example.gdextension
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2 changes: 1 addition & 1 deletion test/src/register_types.cpp
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Expand Up @@ -36,7 +36,7 @@ void uninitialize_example_module(ModuleInitializationLevel p_level) {

extern "C" {
// Initialization.
GDNativeBool GDN_EXPORT example_library_init(const GDNativeInterface *p_interface, const GDNativeExtensionClassLibraryPtr p_library, GDNativeInitialization *r_initialization) {
GDNativeBool GDN_EXPORT gdexample_library_init(const GDNativeInterface *p_interface, const GDNativeExtensionClassLibraryPtr p_library, GDNativeInitialization *r_initialization) {
godot::GDExtensionBinding::InitObject init_obj(p_interface, p_library, r_initialization);

init_obj.register_initializer(initialize_example_module);
Expand Down