Move setenv from engine to split library to allow lazy engine library loading

jni/Application.mk

@@ -37,7 +37,7 @@ APP_ABI := x86 armeabi armeabi-v7a-hard
 # ARMv6 and ARMv5 xash3d builds use softfp only and compatible only with softfp mods
 # Build both armeabi-v7a-hard and armeabi-v7a supported only for mods, not for engine
 
-APP_MODULES := xash menu client server NanoGL
+APP_MODULES := xash menu client server NanoGL jnisetenv
 ifeq ($(XASH_SDL),1)
 APP_MODULES += SDL2
 endif

jni/src/jnisetenv/Android.mk

@@ -0,0 +1,13 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := jnisetenv
+
+APP_PLATFORM := android-12
+
+include $(XASH3D_CONFIG)
+
+LOCAL_SRC_FILES := setenv.c
+
+include $(BUILD_SHARED_LIBRARY)

jni/src/jnisetenv/setenv.c

@@ -0,0 +1,26 @@
+/*
+setenv.c -- a jni wrapper for setenv() call for XashActivity
+Copyright (C) 2016 a1batross
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+*/
+
+#include <stdlib.h>
+
+JAVA_EXPORT int Java_in_celest_xash3d_XashActivity_setenv( JNIEnv* env, jclass clazz, jstring key, jstring value, jboolean overwrite )
+{
+	char* k = (char *) (*env)->GetStringUTFChars(env, key, NULL);
+	char* v = (char *) (*env)->GetStringUTFChars(env, value, NULL);
+	int err = setenv(k, v, overwrite);
+	(*env)->ReleaseStringUTFChars(env, key, k);
+	(*env)->ReleaseStringUTFChars(env, value, v);
+	return err;
+}

src/in/celest/xash3d/XashActivity.java

@@ -75,6 +75,11 @@ public class XashActivity extends Activity {
 	private static String SIG = "DMsE8f5hlR7211D8uehbFpbA0n8=";
 	private static String SIG_TEST = ""; // a1ba: mittorn, add your signature later
 
+	// Load the .so
+	static {
+		System.loadLibrary("jnisetenv");
+	}
+
 	// Shared between this activity and LauncherActivity
 	public static boolean dumbAntiPDALifeCheck( Context context )
 	{