Merge pull request #63288 from akien-mga/scons-refactor-lto

1 files changed, 12 insertions, 0 deletions

diff --git a/platform/android/detect.py b/platform/android/detect.py
index ad63821162..1d9bcdd932 100644
--- a/platform/android/detect.py
+++ b/platform/android/detect.py
@@ -47,6 +47,9 @@ def get_flags():
     return [
         ("arch", "arm64"),  # Default for convenience.
         ("tools", False),
+        # Benefits of LTO for Android (size, performance) haven't been clearly established yet.
+        # So for now we override the default value which may be set when using `production=yes`.
+        ("lto", "none"),
     ]
 
 
@@ -132,6 +135,15 @@ def configure(env):
         env.Append(CPPDEFINES=["_DEBUG"])
         env.Append(CPPFLAGS=["-UNDEBUG"])
 
+    # LTO
+    if env["lto"] != "none":
+        if env["lto"] == "thin":
+            env.Append(CCFLAGS=["-flto=thin"])
+            env.Append(LINKFLAGS=["-flto=thin"])
+        else:
+            env.Append(CCFLAGS=["-flto"])
+            env.Append(LINKFLAGS=["-flto"])
+
     # Compiler configuration
 
     env["SHLIBSUFFIX"] = ".so"