From 5764f0c8394d145aa5c1cc81806dc7fa0400e92e Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Tue, 26 Feb 2019 03:42:44 -0500
Subject: [PATCH] Compiler flag enhancements

- Enable LTO
- Add -fomit-frame-pointer for even smaller binary size

This commit is inspired by #1075. Close #1075.
---
 native/jni/Application.mk | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/native/jni/Application.mk b/native/jni/Application.mk
index 70fd4485c..cd88fed2a 100644
--- a/native/jni/Application.mk
+++ b/native/jni/Application.mk
@@ -1,6 +1,7 @@
 APP_ABI := armeabi-v7a x86
-APP_CFLAGS := -Oz -std=gnu11 \
+APP_CFLAGS := -Oz -fomit-frame-pointer -flto \
 -D__MVSTR=${MAGISK_VERSION} -D__MCODE=${MAGISK_VER_CODE}
+APP_LDFLAGS := -flto
 APP_CPPFLAGS := -std=c++17
 APP_STL := c++_static
 APP_PLATFORM := android-16
@@ -16,7 +17,7 @@ endif
 
 # Busybox require some additional settings
 ifdef B_BB
-APP_CFLAGS := -Os
+APP_CFLAGS := -Os -fomit-frame-pointer -flto
 APP_SHORT_COMMANDS := true
 NDK_TOOLCHAIN_VERSION := 4.9
 APP_PLATFORM := android-21