Merge pull request #1947 from chrox/android_jit

disable jit on some modules on android

frontend/cache.lua

@@ -6,6 +6,10 @@ local lfs = require("libs/libkoreader-lfs")
 local DataStorage = require("datastorage")
 local DEBUG = require("dbg")
 
+if require("device"):isAndroid() then
+    require("jit").off(true, true)
+end
+
 local function calcFreeMem()
     local meminfo = io.open("/proc/meminfo", "r")
     local freemem = 0

frontend/ui/rendertext.lua

@@ -8,6 +8,10 @@ local CacheItem = require("cacheitem")
 local BlitBuffer = require("ffi/blitbuffer")
 local DEBUG = require("dbg")
 
+if require("device"):isAndroid() then
+    require("jit").off(true, true)
+end
+
 --[[
 @TODO: all these functions should probably be methods on Face objects
 ]]--

frontend/ui/widget/container/inputcontainer.lua

@@ -5,6 +5,10 @@ local Geom = require("ui/geometry")
 local Event = require("ui/event")
 local _ = require("gettext")
 
+if require("device"):isAndroid() then
+    require("jit").off(true, true)
+end
+
 --[[
 an InputContainer is an WidgetContainer that handles input events
 

frontend/ui/widget/container/widgetcontainer.lua

@@ -1,6 +1,10 @@
 local Geom = require("ui/geometry")
 local Widget = require("ui/widget/widget")
 
+if require("device"):isAndroid() then
+    require("jit").off(true, true)
+end
+
 --[[
 WidgetContainer is a container for another Widget
 --]]