Hi Artemio,
This is caused by an upstream issue in QtWebEngine and is already reported in Trac ticket 62059 (https://trac.macports.org/ticket/62059 <https://trac.macports.org/ticket/62059>). Ryan commented there that it appears to be fixed, but likely nobody has tried whether incorporating that fix in MacPorts indeed solves the problem. Best, Renee > ------------------------------ > > Message: 2 > Date: Sun, 10 Oct 2021 00:36:02 +0200 > From: Artemio Gonz?lez L?pez <artem...@mac.com> > To: macports Users <macports-users@lists.macports.org> > Subject: Spyder fails to install in M1 MacBook Pro > Message-ID: <94848ac7-a720-4bec-9289-ef8cb694e...@mac.com> > Content-Type: text/plain; charset=utf-8 > > When trying to install py-spyder in my M1 MacBool Pro 13? installation fails > with the error message quoted below. Is this a known problem? Can anybody > suggest a > > possible fix/workaround? > > Thanks in advance, > > Artemio > > =================================== > > Apple clang version 13.0.0 (clang-1300.0.29.3) > Target: arm64-apple-darwin20.6.0 > Thread model: posix > InstalledDir: > /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin > Project MESSAGE: Running: > /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtwebengine/work/qtwebengine-everywhere-src-5.15.2/src/3rdparty/gn/out/Release/gn > gen > /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtwebengine/work/qtwebengine-everywhere-src-5.15.2/src/core/release > > --script-executable=/opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/python2 > --args='use_qt=true init_stack_vars=false is_component_build=false > is_shared=true enable_debugallocation=false enable_media_remoting=false > enable_message_center=false enable_nacl=false enable_remoting=false > enable_reporting=false enable_resource_whitelist_generation=false > enable_swiftshader=false angle_enable_swiftshader=false enable_web_auth=true > enable_web_speech=false enable_widevine=true > forbid_non_component_debug_builds=false has_native_accessibility=false > safe_bro > wsing_mode=0 toolkit_views=false treat_warnings_as_errors=false > use_allocator_shim=false use_allocator="none" use_custom_libcxx=false > closure_compile=false optimize_webui=false v8_use_external_startup_data=false > strip_absolute_paths_from_debug_symbols=false use_jumbo_build=true > jumbo_file_merge_limit=8 jumbo_build_excluded=["browser"] > enable_precompiled_headers=false is_official_build=true is_debug=false > symbol_level=0 blink_symbol_level=0 remove_v8base_debug_symbols=true > optimize_for_size=true is_clang=true use_sysroot=false use_system_xcode=true > clang_base_path="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr" > clang_use_chrome_plugins=false mac_deployment_target="11.0" > mac_sdk_min="11.3" use_external_popup_menu=false angle_enable_vulkan=false > enable_basic_printing=true enable_print_preview=true enable_pdf=true > enable_plugins=true enable_spellcheck=true enable_webrtc=true > proprietary_codecs=false enable_extensions=true use_kerberos=true have_nodej > s=false use_browser_spellchecker=false > qtwebengine_target="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtwebengine/work/qtwebengine-everywhere-src-5.15.2/src/core/release:QtWebEngineCore"' > > --root=/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtwebengine/work/qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium > > ERROR at //third_party/zlib/BUILD.gn:100:9: Assertion failed. > assert(false, "Unsupported ARM OS") > ^----- > Unsupported ARM OS > See //ui/gfx/BUILD.gn:306:5: which caused the file to be included. > "//third_party/zlib", > ^------------------- > Project ERROR: GN run error! >