Initial structural commit

6 files changed, 334 insertions, 0 deletions

diff --git a/tools/linux.py b/tools/linux.py
new file mode 100644
index 0000000..0a2c35c
--- /dev/null
+++ b/tools/linux.py
@@ -0,0 +1,35 @@
+# Copied from https://github.com/godotengine/godot-cpp/blob/2bf983e6382f5236948f7740faf130a3568f9dd0/tools/linux.py
+from SCons.Variables import *
+from SCons.Tool import clang, clangxx
+
+
+def options(opts):
+    opts.Add(BoolVariable("use_llvm", "Use the LLVM compiler - only effective when targeting Linux", False))
+
+
+def exists(env):
+    return True
+
+
+def generate(env):
+    if env["use_llvm"]:
+        clang.generate(env)
+        clangxx.generate(env)
+
+    env.Append(CCFLAGS=["-fPIC", "-Wwrite-strings"])
+    env.Append(LINKFLAGS=["-Wl,-R,'$$ORIGIN'"])
+
+    if env["arch"] == "x86_64":
+        # -m64 and -m32 are x86-specific already, but it doesn't hurt to
+        # be clear and also specify -march=x86-64. Similar with 32-bit.
+        env.Append(CCFLAGS=["-m64", "-march=x86-64"])
+        env.Append(LINKFLAGS=["-m64", "-march=x86-64"])
+    elif env["arch"] == "x86_32":
+        env.Append(CCFLAGS=["-m32", "-march=i686"])
+        env.Append(LINKFLAGS=["-m32", "-march=i686"])
+    elif env["arch"] == "arm64":
+        env.Append(CCFLAGS=["-march=armv8-a"])
+        env.Append(LINKFLAGS=["-march=armv8-a"])
+    elif env["arch"] == "rv64":
+        env.Append(CCFLAGS=["-march=rv64gc"])
+        env.Append(LINKFLAGS=["-march=rv64gc"])
diff --git a/tools/macos.py b/tools/macos.py
new file mode 100644
index 0000000..f0fb81a
--- /dev/null
+++ b/tools/macos.py
@@ -0,0 +1,51 @@
+# Copied from https://github.com/godotengine/godot-cpp/blob/2bf983e6382f5236948f7740faf130a3568f9dd0/tools/macos.py
+import os
+import sys
+import macos_osxcross
+
+
+def options(opts):
+    opts.Add("macos_deployment_target", "macOS deployment target", "default")
+    opts.Add("macos_sdk_path", "macOS SDK path", "")
+    macos_osxcross.options(opts)
+
+
+def exists(env):
+    return sys.platform == "darwin" or macos_osxcross.exists(env)
+
+
+def generate(env):
+    if env["arch"] not in ("universal", "arm64", "x86_64"):
+        print("Only universal, arm64, and x86_64 are supported on macOS. Exiting.")
+        Exit()
+
+    if sys.platform == "darwin":
+        # Use clang on macOS by default
+        env["CXX"] = "clang++"
+        env["CC"] = "clang"
+    else:
+        # Use osxcross
+        macos_osxcross.generate(env)
+
+    if env["arch"] == "universal":
+        env.Append(LINKFLAGS=["-arch", "x86_64", "-arch", "arm64"])
+        env.Append(CCFLAGS=["-arch", "x86_64", "-arch", "arm64"])
+    else:
+        env.Append(LINKFLAGS=["-arch", env["arch"]])
+        env.Append(CCFLAGS=["-arch", env["arch"]])
+
+    if env["macos_deployment_target"] != "default":
+        env.Append(CCFLAGS=["-mmacosx-version-min=" + env["macos_deployment_target"]])
+        env.Append(LINKFLAGS=["-mmacosx-version-min=" + env["macos_deployment_target"]])
+
+    if env["macos_sdk_path"]:
+        env.Append(CCFLAGS=["-isysroot", env["macos_sdk_path"]])
+        env.Append(LINKFLAGS=["-isysroot", env["macos_sdk_path"]])
+
+    env.Append(
+        LINKFLAGS=[
+            "-framework",
+            "Cocoa",
+            "-Wl,-undefined,dynamic_lookup",
+        ]
+    )
diff --git a/tools/macos_osxcross.py b/tools/macos_osxcross.py
new file mode 100644
index 0000000..8ed9a5d
--- /dev/null
+++ b/tools/macos_osxcross.py
@@ -0,0 +1,29 @@
+# Copied from https://github.com/godotengine/godot-cpp/blob/0ee980abae91c481009152cdccab8e61c9625303/tools/macos_osxcross.py
+import os
+
+
+def options(opts):
+    opts.Add("osxcross_sdk", "OSXCross SDK version", "darwin16")
+
+
+def exists(env):
+    return "OSXCROSS_ROOT" in os.environ
+
+
+def generate(env):
+    root = os.environ.get("OSXCROSS_ROOT", "")
+    if env["arch"] == "arm64":
+        basecmd = root + "/target/bin/arm64-apple-" + env["osxcross_sdk"] + "-"
+    else:
+        basecmd = root + "/target/bin/x86_64-apple-" + env["osxcross_sdk"] + "-"
+
+    env["CC"] = basecmd + "clang"
+    env["CXX"] = basecmd + "clang++"
+    env["AR"] = basecmd + "ar"
+    env["RANLIB"] = basecmd + "ranlib"
+    env["AS"] = basecmd + "as"
+
+    binpath = os.path.join(root, "target", "bin")
+    if binpath not in env["ENV"]["PATH"]:
+        # Add OSXCROSS bin folder to PATH (required for linking).
+        env["ENV"]["PATH"] = "%s:%s" % (binpath, env["ENV"]["PATH"])
diff --git a/tools/my_spawn.py b/tools/my_spawn.py
new file mode 100644
index 0000000..915f972
--- /dev/null
+++ b/tools/my_spawn.py
@@ -0,0 +1,53 @@
+# Copied from https://github.com/godotengine/godot-cpp/blob/93f2091185ff4390ca8fc8901ebc68ebc35a218f/tools/my_spawn.py
+import os
+
+
+def exists(env):
+    return os.name == "nt"
+
+
+# Workaround for MinGW. See:
+# http://www.scons.org/wiki/LongCmdLinesOnWin32
+def configure(env):
+    import subprocess
+
+    def mySubProcess(cmdline, env):
+        # print "SPAWNED : " + cmdline
+        startupinfo = subprocess.STARTUPINFO()
+        startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
+        proc = subprocess.Popen(
+            cmdline,
+            stdin=subprocess.PIPE,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            startupinfo=startupinfo,
+            shell=False,
+            env=env,
+        )
+        data, err = proc.communicate()
+        rv = proc.wait()
+        if rv:
+            print("=====")
+            print(err.decode("utf-8"))
+            print("=====")
+        return rv
+
+    def mySpawn(sh, escape, cmd, args, env):
+
+        newargs = " ".join(args[1:])
+        cmdline = cmd + " " + newargs
+
+        rv = 0
+        if len(cmdline) > 32000 and cmd.endswith("ar"):
+            cmdline = cmd + " " + args[1] + " " + args[2] + " "
+            for i in range(3, len(args)):
+                rv = mySubProcess(cmdline + args[i], env)
+                if rv:
+                    break
+        else:
+            rv = mySubProcess(cmdline, env)
+
+        return rv
+
+    env["SPAWN"] = mySpawn
+    env.Replace(ARFLAGS=["q"])
diff --git a/tools/targets.py b/tools/targets.py
new file mode 100644
index 0000000..5c33555
--- /dev/null
+++ b/tools/targets.py
@@ -0,0 +1,93 @@
+# Copied from https://github.com/godotengine/godot-cpp/blob/edf02f83194b58408ca241459c986e32c52fd9c7/tools/targets.py
+import os
+import sys
+from SCons.Script import ARGUMENTS
+from SCons.Variables import *
+from SCons.Variables.BoolVariable import _text2bool
+
+
+def get_cmdline_bool(option, default):
+    """We use `ARGUMENTS.get()` to check if options were manually overridden on the command line,
+    and SCons' _text2bool helper to convert them to booleans, otherwise they're handled as strings.
+    """
+    cmdline_val = ARGUMENTS.get(option)
+    if cmdline_val is not None:
+        return _text2bool(cmdline_val)
+    else:
+        return default
+
+
+def options(opts):
+    opts.Add(
+        EnumVariable(
+            "optimize",
+            "The desired optimization flags",
+            "speed_trace",
+            ("none", "custom", "debug", "speed", "speed_trace", "size"),
+        )
+    )
+    opts.Add(BoolVariable("debug_symbols", "Build with debugging symbols", True))
+    opts.Add(BoolVariable("dev_build", "Developer build with dev-only debugging code (DEV_ENABLED)", False))
+
+
+def exists(env):
+    return True
+
+
+def generate(env):
+    env.dev_build = env["dev_build"]
+    env.debug_features = env["target"] in ["editor", "template_debug"]
+    env.editor_build = env["target"] == "editor"
+
+    if env.editor_build:
+        env.AppendUnique(CPPDEFINES=["TOOLS_ENABLED"])
+
+    if env.debug_features:
+        env.AppendUnique(CPPDEFINES=["DEBUG_ENABLED", "DEBUG_METHODS_ENABLED"])
+
+    if env.dev_build:
+        opt_level = "none"
+        env.AppendUnique(CPPDEFINES=["DEV_ENABLED"])
+    elif env.debug_features:
+        opt_level = "speed_trace"
+    else:  # Release
+        opt_level = "speed"
+
+    env["optimize"] = ARGUMENTS.get("optimize", opt_level)
+    env["debug_symbols"] = get_cmdline_bool("debug_symbols", env.dev_build)
+
+    if env.get("is_msvc", False):
+        if env["debug_symbols"]:
+            env.Append(CCFLAGS=["/Zi", "/FS"])
+            env.Append(LINKFLAGS=["/DEBUG:FULL"])
+
+        if env["optimize"] == "speed" or env["optimize"] == "speed_trace":
+            env.Append(CCFLAGS=["/O2"])
+            env.Append(LINKFLAGS=["/OPT:REF"])
+        elif env["optimize"] == "size":
+            env.Append(CCFLAGS=["/O1"])
+            env.Append(LINKFLAGS=["/OPT:REF"])
+
+        if env["optimize"] == "debug" or env["optimize"] == "none":
+            env.Append(CCFLAGS=["/MDd", "/Od"])
+        else:
+            env.Append(CCFLAGS=["/MD"])
+
+    else:
+        if env["debug_symbols"]:
+            if env.dev_build:
+                env.Append(CCFLAGS=["-g3"])
+            else:
+                env.Append(CCFLAGS=["-g2"])
+
+        if env["optimize"] == "speed":
+            env.Append(CCFLAGS=["-O3"])
+        # `-O2` is friendlier to debuggers than `-O3`, leading to better crash backtraces.
+        elif env["optimize"] == "speed_trace":
+            env.Append(CCFLAGS=["-O2"])
+        elif env["optimize"] == "size":
+            env.Append(CCFLAGS=["-Os"])
+        elif env["optimize"] == "debug":
+            env.Append(CCFLAGS=["-Og"])
+        elif env["optimize"] == "none":
+            env.Append(CCFLAGS=["-O0"])
diff --git a/tools/windows.py b/tools/windows.py
new file mode 100644
index 0000000..0fd86a6
--- /dev/null
+++ b/tools/windows.py
@@ -0,0 +1,73 @@
+# Copied from https://github.com/godotengine/godot-cpp/blob/edf02f83194b58408ca241459c986e32c52fd9c7/tools/windows.py
+import sys
+
+import my_spawn
+
+from SCons.Tool import msvc, mingw
+from SCons.Variables import *
+
+
+def options(opts):
+    opts.Add(BoolVariable("use_mingw", "Use the MinGW compiler instead of MSVC - only effective on Windows", False))
+    opts.Add(BoolVariable("use_clang_cl", "Use the clang driver instead of MSVC - only effective on Windows", False))
+
+
+def exists(env):
+    return True
+
+
+def generate(env):
+    base = None
+    if not env["use_mingw"] and msvc.exists(env):
+        if env["arch"] == "x86_64":
+            env["TARGET_ARCH"] = "amd64"
+        elif env["arch"] == "x86_32":
+            env["TARGET_ARCH"] = "x86"
+        env["is_msvc"] = True
+
+        # MSVC, linker, and archiver.
+        msvc.generate(env)
+        env.Tool("mslib")
+        env.Tool("mslink")
+
+        env.Append(CPPDEFINES=["TYPED_METHOD_BIND", "NOMINMAX"])
+        env.Append(CCFLAGS=["/EHsc", "/utf-8"])
+        env.Append(LINKFLAGS=["/WX"])
+
+        if env["use_clang_cl"]:
+            env["CC"] = "clang-cl"
+            env["CXX"] = "clang-cl"
+
+    elif sys.platform == "win32" or sys.platform == "msys":
+        env["use_mingw"] = True
+        mingw.generate(env)
+        # Don't want lib prefixes
+        env["IMPLIBPREFIX"] = ""
+        env["SHLIBPREFIX"] = ""
+        # Want dll suffix
+        env["SHLIBSUFFIX"] = ".dll"
+        # Long line hack. Use custom spawn, quick AR append (to avoid files with the same names to override each other).
+        my_spawn.configure(env)
+
+    else:
+        env["use_mingw"] = True
+        # Cross-compilation using MinGW
+        prefix = "i686" if env["arch"] == "x86_32" else env["arch"]
+        env["CXX"] = prefix + "-w64-mingw32-g++"
+        env["CC"] = prefix + "-w64-mingw32-gcc"
+        env["AR"] = prefix + "-w64-mingw32-ar"
+        env["RANLIB"] = prefix + "-w64-mingw32-ranlib"
+        env["LINK"] = prefix + "-w64-mingw32-g++"
+        # Want dll suffix
+        env["SHLIBSUFFIX"] = ".dll"
+
+        # These options are for a release build even using target=debug
+        env.Append(CCFLAGS=["-O3", "-Wwrite-strings"])
+        env.Append(
+            LINKFLAGS=[
+                "--static",
+                "-Wl,--no-undefined",
+                "-static-libgcc",
+                "-static-libstdc++",
+            ]
+        )