Configured with: --prefix=/Applications/Xcode-10.3.app/Contents/Developer/usr --with-gxx-include-dir=/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/c++/4.2.1
Apple LLVM version 10.0.1 (clang-1001.0.46.4)
Target: x86_64-apple-darwin19.3.0
Thread model: posix
InstalledDir: /Applications/Xcode-10.3.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

log: Findstar: processing...
** hangs

=================================================================================

Configured with: --prefix=/Applications/Xcode-11.3.1.app/Contents/Developer/usr --with-gxx-include-dir=/Applications/Xcode-11.3.1.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/4.2.1
Apple clang version 11.0.0 (clang-1100.0.33.17)
Target: x86_64-apple-darwin19.3.0
Thread model: posix
InstalledDir: /Applications/Xcode-11.3.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

log: Findstar: processing...
** hangs

=================================================================================

Configured with: --prefix=/Applications/Xcode-11.4.app/Contents/Developer/usr --with-gxx-include-dir=/Applications/Xcode-11.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/4.2.1
Apple clang version 11.0.3 (clang-1103.0.32.29)
Target: x86_64-apple-darwin19.3.0
Thread model: posix
InstalledDir: /Applications/Xcode-11.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

log: Findstar: processing...
Error, signal 11:
Please report this bug to: https://gitlab.com/free-astro/siril/issues
[#0] in 0   siril                               0x000000010684664f signal_handled + 159
[#1] in 1   libsystem_platform.dylib            0x00007fff6388742d _sigtramp + 29
[#2] in 2   ???                                 0x0000000000000008 0x0 + 8
[#3] in 3   libomp.dylib                        0x00000001069b0edc _ZL26__kmp_release_queuing_lockP13kmp_user_locki + 9
[#4] in 4   libomp.dylib                        0x00000001069838a5 __kmpc_end_critical + 254
[#5] in 5   siril                               0x000000010682a2a9 .omp_outlined..1 + 329
[#6] in 6   siril                               0x0000000106828fbc siril_fits_img_stats_float + 748
[#7] in 7   siril                               0x0000000106831af1 statistics_internal_float + 1409
[#8] in 8   siril                               0x000000010682ec2a statistics + 298
[#9] in 9   siril                               0x000000010682d575 peaker + 309
[#10] in 10  siril                               0x0000000106895a39 star_align_image_hook + 409
[#11] in 11  siril                               0x000000010684425b .omp_outlined. + 747
[#12] in 12  libomp.dylib                        0x00000001069c1fc3 __kmp_invoke_microtask + 147
[#13] in 13  libomp.dylib                        0x00000001069901e1 __kmp_invoke_task_func + 334
[#14] in 14  libomp.dylib                        0x000000010698f6fb __kmp_launch_thread + 374
[#15] in 15  libomp.dylib                        0x00000001069b50fa _ZL19__kmp_launch_workerPv + 280
[#16] in 16  libsystem_pthread.dylib             0x00007fff63892e65 _pthread_start + 148
[#17] in 17  libsystem_pthread.dylib             0x00007fff6388e83b thread_start + 15

Next try: hangs

=================================================================================