Darktable 2.7.0 + 1662-g6f78ef09 win64 no OPENCL possible

Dear all,
Installed Darktable 2.7.0 + 1662-g6f78ef09 win64.
OpenCL is not activated. does not function.

Testresults:

.040258 [opencl_init] opencl related configuration options:
0.055885 [opencl_init]
0.055885 [opencl_init] opencl: 1
0.055885 [opencl_init] opencl_library: ‘’
0.055885 [opencl_init] opencl_memory_requirement: 768
0.055885 [opencl_init] opencl_memory_headroom: 300
0.055885 [opencl_init] opencl_device_priority: ‘/!0,//
0.055885 [opencl_init] opencl_mandatory_timeout: 200
0.055885 [opencl_init] opencl_size_roundup: 16
0.055885 [opencl_init] opencl_async_pixelpipe: 0
0.055885 [opencl_init] opencl_synch_cache: false
0.055885 [opencl_init] opencl_number_event_handles: 25
0.071511 [opencl_init] opencl_micro_nap: 1000
0.071511 [opencl_init] opencl_use_pinned_memory: 0
0.071511 [opencl_init] opencl_use_cpu_devices: 0
0.071511 [opencl_init] opencl_avoid_atomics: 0
0.071511 [opencl_init]
0.071511 [opencl_init] found opencl runtime library ‘OpenCL.dll’
0.071511 [opencl_init] opencl library ‘OpenCL.dll’ found on your system and loaded
0.118389 [opencl_init] found 1 platform
0.118389 [opencl_init] found 1 device
0.118389 [opencl_init] device 0 gfx1010' supports image sizes of 16384 x 16384 0.118389 [opencl_init] device 0 gfx1010’ allows GPU memory allocations of up to 4048MB
[opencl_init] device 0: gfx1010
GLOBAL_MEM_SIZE: 8176MB
MAX_WORK_GROUP_SIZE: 256
MAX_WORK_ITEM_DIMENSIONS: 3
MAX_WORK_ITEM_SIZES: [ 1024 1024 1024 ]
DRIVER_VERSION: 2906.10 (PAL,LC)
DEVICE_VERSION: OpenCL 2.0 AMD-APP (2906.10)
0.524675 [opencl_init] options for OpenCL compiler: -cl-mad-enable -DAMD=1 -I"C:\Program Files\darktable\share\darktable\kernels"
0.540292 [opencl_init] compiling program demosaic_ppg.cl' .. 0.540292 [opencl_fopen_stat] could not open file C:\Users\trmma\AppData\Local\Microsoft\Windows\INetCache\darktable\cached_kernels_for_gfx1010_290610PALLC\demosaic_ppg.cl.bin.dd8c8f36df58af17de6df4cc9fd44a08’!
0.540292 [opencl_load_program] could not load cached binary program, trying to compile source
0.540292 [opencl_load_program] successfully loaded program from `C:\Program Files\darktable\share\darktable\kernels\demosaic_ppg.cl’
2 errors generated.
0.602796 [opencl_build_program] could not build program: -11
0.602796 [opencl_build_program] BUILD STATUS: -2
0.602796 BUILD LOG:
0.602796 Error: Failed to compile opencl source (from CL to LLVM IR).

0.602796 [opencl_init] failed to compile program `demosaic_ppg.cl’!
0.602796 [opencl_init] FINALLY: opencl is NOT AVAILABLE on this system.
0.602796 [opencl_init] initial status of opencl enabled flag is OFF.

press any key to exit

Can anybody help me to solve this problem if possible.

My GPU is the AMD rx5700.
Windows 10 sees the GPU and settings are high performance.

Many thanks upfront.

Did you compile yourself or are you using someone else’s build?

I’am using the build available trough PIXLS.US.