From be1d0545c2f7a85a63d05b4bdc1020ee284e72cb Mon Sep 17 00:00:00 2001
From: Spartan322 <Megacake1234@gmail.com>
Date: Mon, 24 Jul 2023 20:24:01 -0400
Subject: Initial structural commit

---
 tools/targets.py | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 tools/targets.py

(limited to 'tools/targets.py')

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"])
-- 
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