Nice, thanks!
However, when building on MacOS 10.12.5, the editor still crashes:
Cheers
Jörg
Process:               Visionaire Studio [4813]
Path:                  /Users/USER/Desktop/Visionaire Studio_5rc1.app/Contents/MacOS/Visionaire Studio
Identifier:            net.visionaire-studio.Visionaire-Studio
Version:               5.0.1 (1189)
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           Visionaire Studio [4813]
User ID:               501
Date/Time:             2017-06-24 09:16:05.242 +0200
OS Version:            Mac OS X 10.12.5 (16F73)
Report Version:        12
Anonymous UUID:        6597E41D-DACB-B511-8511-31DC30C504CC
Sleep/Wake UUID:       13C63762-029F-47C4-9B0F-685A6170C5F4
Time Awake Since Boot: 330000 seconds
Time Since Wake:       1400 seconds
System Integrity Protection: enabled
Crashed Thread:        10  wxThread
Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000068
Exception Note:        EXC_CORPSE_NOTIFY
Termination Signal:    Segmentation fault: 11
Termination Reason:    Namespace SIGNAL, Code 0xb
Terminating Process:   exc handler [0]
VM Regions Near 0x68:
--> 
    Kernel Alloc Once      0000000008740000-0000000008742000 [    8K] rw-/rwx SM=PRV  
Thread 0:: Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib        	0x00007fff9191934a mach_msg_trap + 10
1   libsystem_kernel.dylib        	0x00007fff91918797 mach_msg + 55
2   com.apple.framework.IOKit     	0x00007fff7e051c91 io_connect_method + 375
3   com.apple.framework.IOKit     	0x00007fff7dfd71f2 IOConnectCallMethod + 336
4   com.apple.framework.IOKit     	0x00007fff7dfd73b9 IOConnectCallStructMethod + 56
5   com.apple.IOAccelerator       	0x00007fff8adc9c10 IOAccelContextSubmitDataBuffersExt2 + 270
6   libGPUSupportMercury.dylib    	0x00007fff89d48390 gpusSubmitDataBuffers + 156
7   com.apple.driver.AppleIntelHD5000GraphicsGLDriver	0x000000000c714d2a IntelCommandBuffer::getNew(GLDContextRec*) + 178
8   com.apple.driver.AppleIntelHD5000GraphicsGLDriver	0x000000000c7f798b intelSubmitCommands + 171
9   com.apple.driver.AppleIntelHD5000GraphicsGLDriver	0x000000000c7f76e9 gldPresentFramebufferData + 391
10  GLEngine                      	0x000000000c5484f1 glSwap_Exec + 97
11  com.apple.opengl              	0x00007fff81040126 CGLFlushDrawable + 66
12  com.apple.AppKit              	0x00007fff79e61d7b -[NSOpenGLContext flushBuffer] + 27
13  net.visionaire-studio.Visionaire-Studio	0x0000000108f1af77 Cocoa_GL_SwapWindow + 71
14  net.visionaire-studio.Visionaire-Studio	0x0000000108a1401d TGraphicsOGL::Swap() + 29
15  net.visionaire-studio.Visionaire-Studio	0x0000000108a13f8d TGraphicsOGL::AfterDrawScene(bool, bool) + 4813
16  net.visionaire-studio.Visionaire-Studio	0x0000000108873d04 Draw() + 1620
17  net.visionaire-studio.Visionaire-Studio	0x00000001088752af run(int, char**) + 4927
18  net.visionaire-studio.Visionaire-Studio	0x0000000108875a8b main + 27
19  net.visionaire-studio.Visionaire-Studio	0x0000000108738c44 start + 52
Thread 1:: wxThread
0   libsystem_kernel.dylib        	0x00007fff91920f46 __semwait_signal + 10
1   libsystem_c.dylib             	0x00007fff918a7b72 nanosleep + 199
2   libsystem_c.dylib             	0x00007fff918a7a66 usleep + 54
3   net.visionaire-studio.Visionaire-Studio	0x0000000108a2a92a TPicturePreloader::Entry() + 346
4   net.visionaire-studio.Visionaire-Studio	0x0000000108956f3a Enter(void*) + 10
5   net.visionaire-studio.Visionaire-Studio	0x0000000108f158cc SDL_RunThread + 60
6   net.visionaire-studio.Visionaire-Studio	0x0000000108f15289 0x108730000 + 8278665
7   libsystem_pthread.dylib       	0x00007fff91a0b93b _pthread_body + 180
8   libsystem_pthread.dylib       	0x00007fff91a0b887 _pthread_start + 286
9   libsystem_pthread.dylib       	0x00007fff91a0b08d thread_start + 13
Thread 2:: wxThread
0   libsystem_kernel.dylib        	0x00007fff91920f46 __semwait_signal + 10
1   libsystem_c.dylib             	0x00007fff918a7b72 nanosleep + 199
2   libsystem_c.dylib             	0x00007fff918a7a66 usleep + 54
3   net.visionaire-studio.Visionaire-Studio	0x0000000108a2a92a TPicturePreloader::Entry() + 346
4   net.visionaire-studio.Visionaire-Studio	0x0000000108956f3a Enter(void*) + 10
5   net.visionaire-studio.Visionaire-Studio	0x0000000108f158cc SDL_RunThread + 60
6   net.visionaire-studio.Visionaire-Studio	0x0000000108f15289 0x108730000 + 8278665
7   libsystem_pthread.dylib       	0x00007fff91a0b93b _pthread_body + 180
8   libsystem_pthread.dylib       	0x00007fff91a0b887 _pthread_start + 286
9   libsystem_pthread.dylib       	0x00007fff91a0b08d thread_start + 13
Thread 3:: com.apple.audio.IOThread.client
0   libsystem_kernel.dylib        	0x00007fff9191934a mach_msg_trap + 10
1   libsystem_kernel.dylib        	0x00007fff91918797 mach_msg + 55
2   com.apple.audio.CoreAudio     	0x00007fff7bbe3935 HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned int, unsigned int, mach_msg_header_t*, bool, unsigned int) + 127
3   com.apple.audio.CoreAudio     	0x00007fff7bbe38a6 HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, bool, unsigned int) + 42
4   com.apple.audio.CoreAudio     	0x00007fff7bbe08d0 HALC_ProxyIOContext::IOWorkLoop() + 1196
5   com.apple.audio.CoreAudio     	0x00007fff7bbe0264 HALC_ProxyIOContext::IOThreadEntry(void*) + 128
6   com.apple.audio.CoreAudio     	0x00007fff7bbdffa3 HALB_IOThread::Entry(void*) + 75
7   libsystem_pthread.dylib       	0x00007fff91a0b93b _pthread_body + 180
8   libsystem_pthread.dylib       	0x00007fff91a0b887 _pthread_start + 286
9   libsystem_pthread.dylib       	0x00007fff91a0b08d thread_start + 13
Thread 4:: Vis Audio Thread
0   libsystem_kernel.dylib        	0x00007fff91920f46 __semwait_signal + 10
1   libsystem_c.dylib             	0x00007fff918a7b72 nanosleep + 199
2   net.visionaire-studio.Visionaire-Studio	0x0000000108f165ce SDL_Delay_REAL + 94
3   net.visionaire-studio.Visionaire-Studio	0x0000000108c4c3e8 read_thread(void*) + 472
4   net.visionaire-studio.Visionaire-Studio	0x0000000108f158cc SDL_RunThread + 60
5   net.visionaire-studio.Visionaire-Studio	0x0000000108f15289 0x108730000 + 8278665
6   libsystem_pthread.dylib       	0x00007fff91a0b93b _pthread_body + 180
7   libsystem_pthread.dylib       	0x00007fff91a0b887 _pthread_start + 286
8   libsystem_pthread.dylib       	0x00007fff91a0b08d thread_start + 13
Thread 5:
0   libsystem_kernel.dylib        	0x00007fff91920f46 __semwait_signal + 10
1   libsystem_c.dylib             	0x00007fff918a7b72 nanosleep + 199
2   libsystem_c.dylib             	0x00007fff918a7a66 usleep + 54
3   net.visionaire-studio.Visionaire-Studio	0x00000001088a0f8a SearchThread(void*) + 5114
4   net.visionaire-studio.Visionaire-Studio	0x0000000108f158cc SDL_RunThread + 60
5   net.visionaire-studio.Visionaire-Studio	0x0000000108f15289 0x108730000 + 8278665
6   libsystem_pthread.dylib       	0x00007fff91a0b93b _pthread_body + 180
7   libsystem_pthread.dylib       	0x00007fff91a0b887 _pthread_start + 286
8   libsystem_pthread.dylib       	0x00007fff91a0b08d thread_start + 13
Thread 6:
0   libsystem_kernel.dylib        	0x00007fff91920f46 __semwait_signal + 10
1   libsystem_c.dylib             	0x00007fff918a7b72 nanosleep + 199
2   libsystem_c.dylib             	0x00007fff918a7a66 usleep + 54
3   net.visionaire-studio.Visionaire-Studio	0x000000010889f4e1 LuaUpdateThread(void*) + 5473
4   net.visionaire-studio.Visionaire-Studio	0x0000000108f158cc SDL_RunThread + 60
5   net.visionaire-studio.Visionaire-Studio	0x0000000108f15289 0x108730000 + 8278665
6   libsystem_pthread.dylib       	0x00007fff91a0b93b _pthread_body + 180
7   libsystem_pthread.dylib       	0x00007fff91a0b887 _pthread_start + 286
8   libsystem_pthread.dylib       	0x00007fff91a0b08d thread_start + 13
Thread 7:: com.apple.NSEventThread
0   libsystem_kernel.dylib        	0x00007fff9191934a mach_msg_trap + 10
1   libsystem_kernel.dylib        	0x00007fff91918797 mach_msg + 55
2   com.apple.CoreFoundation      	0x00007fff7c079434 __CFRunLoopServiceMachPort + 212
3   com.apple.CoreFoundation      	0x00007fff7c0788c1 __CFRunLoopRun + 1361
4   com.apple.CoreFoundation      	0x00007fff7c078114 CFRunLoopRunSpecific + 420
5   com.apple.AppKit              	0x00007fff79cbff02 _NSEventThread + 205
6   libsystem_pthread.dylib       	0x00007fff91a0b93b _pthread_body + 180
7   libsystem_pthread.dylib       	0x00007fff91a0b887 _pthread_start + 286
8   libsystem_pthread.dylib       	0x00007fff91a0b08d thread_start + 13
Thread 8:
0   libsystem_kernel.dylib        	0x00007fff91920f46 __semwait_signal + 10
1   libsystem_c.dylib             	0x00007fff918a7b72 nanosleep + 199
2   libsystem_c.dylib             	0x00007fff918a7a66 usleep + 54
3   net.visionaire-studio.Visionaire-Studio	0x0000000108b2ef5a scripteditorthread(void*) + 58
4   net.visionaire-studio.Visionaire-Studio	0x0000000108f158cc SDL_RunThread + 60
5   net.visionaire-studio.Visionaire-Studio	0x0000000108f15289 0x108730000 + 8278665
6   libsystem_pthread.dylib       	0x00007fff91a0b93b _pthread_body + 180
7   libsystem_pthread.dylib       	0x00007fff91a0b887 _pthread_start + 286
8   libsystem_pthread.dylib       	0x00007fff91a0b08d thread_start + 13
Thread 9:
0   libsystem_kernel.dylib        	0x00007fff9192144e __workq_kernreturn + 10
1   libsystem_pthread.dylib       	0x00007fff91a0b48e _pthread_wqthread + 1023
2   libsystem_pthread.dylib       	0x00007fff91a0b07d start_wqthread + 13
Thread 10 Crashed:: wxThread
0   libsystem_c.dylib             	0x00007fff918646a0 flockfile + 4
1   libsystem_c.dylib             	0x00007fff9186783c fwrite + 72
2   net.visionaire-studio.Visionaire-Studio	0x000000010895e454 wxFile::Write(wxString) + 68
3   net.visionaire-studio.Visionaire-Studio	0x0000000108835af4 Builder::RecursivePack(TVisionaireObject*, wxFileName const&, std::__1::basic_string, std::__1::allocator >&, StringHashMap >&, StringHashMap, std::__1::allocator >, TComposedFile*, char*, StringHash >&, float, float, bool, HashMap >&, char const*, char const*, bool) + 5780
4   net.visionaire-studio.Visionaire-Studio	0x0000000108838c21 Builder::MakeComposedGameFile(TVisionaire&, wxFileName const&, TVList const&, PlatformExporter*, wxString const&, ConfigParser*, wxPoint const&, bool, bool, EventHandler*) + 6113
5   net.visionaire-studio.Visionaire-Studio	0x0000000108790b1d BuildThread::Entry() + 829
6   net.visionaire-studio.Visionaire-Studio	0x0000000108956f3a Enter(void*) + 10
7   net.visionaire-studio.Visionaire-Studio	0x0000000108f158cc SDL_RunThread + 60
8   net.visionaire-studio.Visionaire-Studio	0x0000000108f15289 0x108730000 + 8278665
9   libsystem_pthread.dylib       	0x00007fff91a0b93b _pthread_body + 180
10  libsystem_pthread.dylib       	0x00007fff91a0b887 _pthread_start + 286
11  libsystem_pthread.dylib       	0x00007fff91a0b08d thread_start + 13
Thread 10 crashed with X86 Thread State (64-bit):
  rax: 0x0000700005fd7b88  rbx: 0x000060000007a380  rcx: 0x0000000000000000  rdx: 0x000000000000003c
  rdi: 0x0000000000000000  rsi: 0x0000000000000001  rbp: 0x0000700005fd7b60  rsp: 0x0000700005fd7b60
   r8: 0x0000000000000000   r9: 0x0000000000000000  r10: 0xffffffffffffffff  r11: 0xffffffffff400e40
  r12: 0x0000608000e8a4b0  r13: 0x0000000000000000  r14: 0x000000000000003c  r15: 0x0000700005fd7c48
  rip: 0x00007fff918646a0  rfl: 0x0000000000010206  cr2: 0x0000608000e84006
  
Logical CPU:     0
Error Code:      0x0100001f
Trap Number:     133
[ deleted some information]
External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 214603
    thread_create: 0
    thread_set_state: 8312
VM Region Summary:
ReadOnly portion of Libraries: Total=282.8M resident=0K(0%) swapped_out_or_unallocated=282.8M(100%)
Writable regions: Total=429.8M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=429.8M(100%)
 
                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Accelerate framework               256K        3 
Activity Tracing                   256K        2 
CG backing stores                 7592K        4 
CG image                            24K        3 
CoreUI image data                  144K        3 
CoreUI image file                  176K        4 
IOKit                             7940K        2 
Kernel Alloc Once                    8K        2 
MALLOC                           290.5M       63 
MALLOC guard page                   48K       10 
MALLOC_LARGE (reserved)           79.7M        3         reserved VM address space (unallocated)
Memory Tag 242                      12K        2 
OpenGL GLSL                        256K        4 
STACK GUARD                       56.0M       12 
Stack                             13.1M       15 
VM_ALLOCATE                       15.5M       61 
VM_ALLOCATE (reserved)              36K        2         reserved VM address space (unallocated)
__DATA                            28.4M      238 
__GLSLBUILTINS                    2588K        2 
__IMAGE                            528K        2 
__LINKEDIT                       121.9M       18 
__TEXT                           160.9M      234 
__UNICODE                          556K        2 
mapped file                       41.8M       11 
shared memory                     16.4M       13 
===========                     =======  ======= 
TOTAL                            844.1M      690 
TOTAL, minus reserved VM space   764.3M      690 
Model: MacBookPro11,1, BootROM MBP111.0138.B25, 2 processors, Intel Core i5, 2,8 GHz, 16 GB, SMC 2.16f68
Graphics: Intel Iris, Intel Iris, Built-In
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54343147533641465238412D50422020
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54343147533641465238412D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x112), Broadcom BCM43xx 1.0 (7.21.171.126.1a2)
Bluetooth: Version 5.0.4f18, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD SM0256F, 251 GB
USB Device: USB 3.0 Bus
USB Device: Card Reader
USB Device: Apple Internal Keyboard / Trackpad
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: MacBook Pro, Apple Inc., 17.2