From ed7649d71eb3db6a7cd3d96e461cfc2d095ddbb1 Mon Sep 17 00:00:00 2001
From: Benoit Marty <benoit.marty@gmail.com>
Date: Tue, 26 Jun 2018 10:37:07 +0200
Subject: Compiling with last NDK + some hardening

Patch received in https://github.com/matrix-org/olm/issues/13
---
 android/olm-sdk/src/main/jni/Android.mk     | 3 +++
 android/olm-sdk/src/main/jni/Application.mk | 4 ++--
 android/olm-sdk/src/main/jni/olm_jni.h      | 1 +
 3 files changed, 6 insertions(+), 2 deletions(-)

(limited to 'android/olm-sdk/src/main')

diff --git a/android/olm-sdk/src/main/jni/Android.mk b/android/olm-sdk/src/main/jni/Android.mk
index aceaef0..44a2787 100644
--- a/android/olm-sdk/src/main/jni/Android.mk
+++ b/android/olm-sdk/src/main/jni/Android.mk
@@ -21,6 +21,9 @@ LOCAL_CFLAGS+= -DOLMLIB_VERSION_MAJOR=$(MAJOR) \
 
 #LOCAL_CFLAGS+= -DNDK_DEBUG
 
+LOCAL_CFLAGS+=-fstack-protector-all -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Wall
+LOCAL_LDFLAGS=-z relro -z now
+
 LOCAL_C_INCLUDES+= $(LOCAL_PATH)/$(SRC_ROOT_DIR)/include/ \
 $(LOCAL_PATH)/$(SRC_ROOT_DIR)/lib
 
diff --git a/android/olm-sdk/src/main/jni/Application.mk b/android/olm-sdk/src/main/jni/Application.mk
index 6516f5e..e11f39a 100644
--- a/android/olm-sdk/src/main/jni/Application.mk
+++ b/android/olm-sdk/src/main/jni/Application.mk
@@ -1,3 +1,3 @@
 APP_PLATFORM := android-16
-APP_ABI := arm64-v8a armeabi-v7a armeabi x86_64  x86
-APP_STL := gnustl_static
\ No newline at end of file
+APP_ABI := arm64-v8a armeabi-v7a x86_64 x86
+APP_STL := gnustl_static
diff --git a/android/olm-sdk/src/main/jni/olm_jni.h b/android/olm-sdk/src/main/jni/olm_jni.h
index e6a49e2..6a5eb1d 100644
--- a/android/olm-sdk/src/main/jni/olm_jni.h
+++ b/android/olm-sdk/src/main/jni/olm_jni.h
@@ -21,6 +21,7 @@
 #include <cstdlib>
 #include <cstdio>
 #include <string>
+#include <string.h>
 #include <sstream>
 #include <jni.h>
 #include <android/log.h>
-- 
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