lottie: updated library dependancy to c++14

Change-Id: I6262065f30393830ea5192d0f549491f2c42677e

CMakeLists.txt

@@ -22,7 +22,7 @@ add_library(lottie-player::lottie-player ALIAS lottie-player)
 #declare target compilation options
 target_compile_options(lottie-player
                     PUBLIC
-                        -std=c++11
+                        -std=c++14
                     PRIVATE
                         -Wall -fvisibility=hidden)
 

meson.build

@@ -6,7 +6,7 @@ lottie_player_lib_version = '0.0.1'
 
 add_global_arguments('-DDEMO_DIR="@0@/example/resource/"'.format(meson.current_source_dir()), language : 'cpp')
 
-compiler_flags = ['-Wall','-std=c++11', '-fvisibility=hidden']
+compiler_flags = ['-Wall','-std=c++14', '-fvisibility=hidden']
 
 if (build_machine.system() == 'linux')
     compiler_flags += ['-pthread']

src/vector/vglobal.h

@@ -35,16 +35,6 @@ typedef uint8_t          uchar;
 #include"vdebug.h"
 
 #define VECTOR_FALLTHROUGH
-/*
- * keep this till we move the code to c++14
- */
-namespace std {
-template<typename T, typename ...Args>
-std::unique_ptr<T> make_unique( Args&& ...args )
-{
-    return std::unique_ptr<T>( new T( std::forward<Args>(args)... ) );
-}
-}
 
 #include<atomic>
 class RefCount