Statically link mingw/msvc runtime libraries on Windows

Co-authored-by: David Snopek <dsnopek@gmail.com>
godotengine · Aug 8, 2023 · 54515da · 54515da
1 parent 5834e16
commit 54515da
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Showing 2 changed files with 25 additions and 10 deletions.
diff --git a/tools/targets.py b/tools/targets.py
@@ -69,6 +69,8 @@ def generate(env):
 
         if env["optimize"] == "debug" or env["optimize"] == "none":
             env.Append(CCFLAGS=["/MDd", "/Od"])
+        elif env["use_static_cpp"]:
+            env.Append(CCFLAGS=["/MT"])
         else:
             env.Append(CCFLAGS=["/MD"])
 

diff --git a/tools/windows.py b/tools/windows.py
@@ -9,6 +9,7 @@
 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))
+    opts.Add(BoolVariable("use_static_cpp", "Link MinGW/MSVC C++ runtime libraries statically", True))
 
 
 def exists(env):
@@ -45,6 +46,18 @@ def generate(env):
         env["SHLIBPREFIX"] = ""
         # Want dll suffix
         env["SHLIBSUFFIX"] = ".dll"
+
+        env.Append(CCFLAGS=["-Wwrite-strings"])
+        if env["use_static_cpp"]:
+            env.Append(
+                LINKFLAGS=[
+                    "-static",
+                    "-Wl,--no-undefined",
+                    "-static-libgcc",
+                    "-static-libstdc++",
+                ]
+            )
+
         # Long line hack. Use custom spawn, quick AR append (to avoid files with the same names to override each other).
         my_spawn.configure(env)
 
@@ -60,15 +73,15 @@ def generate(env):
         # 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++",
-            ]
-        )
+        env.Append(CCFLAGS=["-Wwrite-strings"])
+        if env["use_static_cpp"]:
+            env.Append(
+                LINKFLAGS=[
+                    "-static",
+                    "-Wl,--no-undefined",
+                    "-static-libgcc",
+                    "-static-libstdc++",
+                ]
+            )
 
     env.Append(CPPDEFINES=["WINDOWS_ENABLED"])