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[Proposal] Support $CXX environment variable #104989

Open
bodqhrohro opened this issue May 30, 2022 · 5 comments · May be fixed by #148518
Open

[Proposal] Support $CXX environment variable #104989

bodqhrohro opened this issue May 30, 2022 · 5 comments · May be fixed by #148518
Labels
a: build Building flutter applications with the tool c: new feature Nothing broken; request for a new capability c: proposal A detailed proposal for a change to Flutter P3 Issues that are less important to the Flutter project platform-linux Building on or for Linux specifically platform-windows Building on or for Windows specifically team-tool Owned by Flutter Tool team tool Affects the "flutter" command-line tool. See also t: labels. triaged-tool Triaged by Flutter Tool team

Comments

@bodqhrohro
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This is mostly a duplicate of #61418. The issue author was suggested to install a metapackage, and was happy this far, but this does not really solve the original question. Of course it's possible to install the metapackage or just temporarily make /usr/bin/clang++ a symlink to the desired location, but the environment variable should be respected too.

It works well for pure CMake projects in general, so seems like the configuration generated by Flutter intervenes into this somehow.

Steps to Reproduce

  1. Try to build FluffyChat for GNU/Linux with the compiler location other than /usr/bin/clang++.

Logs

Logs 
@bq:23:37:56:/media/d/temp/git/fluffychat$ CXX=/usr/bin/clang++-11 /Programs/elf/flutter/bin/flutter build linux --release
 --verbose
[+1181 ms] executing: uname -m
[ +496 ms] Exit code 0 from: uname -m
[  +13 ms] x86_64
[ +102 ms] executing: [/media/d/Program Files/elf/flutter/] git -c log.showSignature=false log -n 1 --pretty=format:%H
[ +222 ms] Exit code 0 from: git -c log.showSignature=false log -n 1 --pretty=format:%H
[        ] fb57da5f945d02ef4f98dfd9409a72b7cce74268
[   +8 ms] executing: [/media/d/Program Files/elf/flutter/] git tag --points-at fb57da5f945d02ef4f98dfd9409a72b7cce74268
[ +253 ms] Exit code 0 from: git tag --points-at fb57da5f945d02ef4f98dfd9409a72b7cce74268
[   +1 ms] 3.0.1
[ +144 ms] executing: [/media/d/Program Files/elf/flutter/] git rev-parse --abbrev-ref --symbolic @{u}
[  +57 ms] Exit code 0 from: git rev-parse --abbrev-ref --symbolic @{u}
[   +1 ms] origin/stable
[   +3 ms] executing: [/media/d/Program Files/elf/flutter/] git ls-remote --get-url origin
[  +74 ms] Exit code 0 from: git ls-remote --get-url origin
[  +12 ms] https://github.com/flutter/flutter.git
[+2186 ms] executing: [/media/d/Program Files/elf/flutter/] git rev-parse --abbrev-ref HEAD
[ +118 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
[        ] stable
[+1528 ms] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[   +9 ms] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[  +89 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[  +16 ms] Artifact Instance of 'WindowsUwpEngineArtifacts' is not required, skipping update.
[  +20 ms] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[   +6 ms] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
[   +6 ms] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[   +4 ms] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[   +2 ms] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[+1366 ms] Artifact Instance of 'MaterialFonts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'GradleWrapper' is not required, skipping update.
[        ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[        ] Artifact Instance of 'FlutterSdk' is not required, skipping update.
[   +3 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'WindowsUwpEngineArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[  +91 ms] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[   +6 ms] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[  +13 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[   +6 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[  +26 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[  +12 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[   +5 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[   +8 ms] Artifact Instance of 'FontSubsetArtifacts' is not required, skipping update.
[  +14 ms] Artifact Instance of 'PubDependencies' is not required, skipping update.
[+1272 ms] Initializing file store
[  +79 ms] Done initializing file store
[+1562 ms] Skipping target: gen_localizations
[  +59 ms] Persisting file store
[ +150 ms] Done persisting file store
[ +194 ms] Skipping pub get: version match.
[ +735 ms] Found plugin native_imaging at /media/d/Program
Files/elf/flutter/.pub-cache/git/native_imaging-8c6a5afe2c965b79b5959bb4b49c4aad020cb980/
[ +301 ms] Found plugin connectivity_plus_web at /media/d/Program
Files/elf/flutter/.pub-cache/git/plus_plugins-a04401cb48abe92d138c0e9288b360739994a9e9/packages/connectivity_plus/connecti
vity_plus_web/
[  +69 ms] Found plugin qr_code_scanner at /media/d/Program
Files/elf/flutter/.pub-cache/git/qr_code_scanner-0feca6f15042c279ff575c559a3430df917b623d/
[ +112 ms] Found plugin geolocator_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/hanntech-gmbh.gitlab.io%47free2pass%47flutter-geolocator-floss%47/geolocator_android-1
.0.1/
[ +578 ms] Found plugin audio_session at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/audio_session-0.1.6+1/
[ +186 ms] Found plugin callkeep at /media/d/Program Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/callkeep-0.3.2/
[ +257 ms] Found plugin connectivity_plus at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_plus-2.2.1/
[ +101 ms] Found plugin connectivity_plus_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_plus_linux-1.3.0/
[  +76 ms] Found plugin connectivity_plus_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_plus_macos-1.2.1/
[ +104 ms] Found plugin connectivity_plus_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_plus_windows-1.2.0/
[ +405 ms] Found plugin desktop_drop at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/desktop_drop-0.3.3/
[  +39 ms] Found plugin desktop_lifecycle at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/desktop_lifecycle-0.1.0/
[  +98 ms] Found plugin device_info_plus at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus-3.2.2/
[  +50 ms] Found plugin device_info_plus_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus_linux-2.1.1/
[  +84 ms] Found plugin device_info_plus_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus_macos-2.2.2/
[  +97 ms] Found plugin device_info_plus_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus_web-2.1.0/
[  +66 ms] Found plugin device_info_plus_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus_windows-2.1.1/
[  +67 ms] Found plugin disk_space at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/disk_space-0.2.1/
[  +70 ms] Found plugin dynamic_color at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/dynamic_color-1.2.2/
[ +109 ms] Found plugin emoji_picker_flutter at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/emoji_picker_flutter-1.1.2/
[ +189 ms] Found plugin file_picker at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/file_picker-4.5.1/
[ +131 ms] Found plugin file_selector at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/file_selector-0.8.2+1/
[  +48 ms] Found plugin file_selector_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/file_selector_linux-0.0.2+1/
[  +37 ms] Found plugin file_selector_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/file_selector_web-0.8.1+3/
[  +41 ms] Found plugin flutter_app_badger at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_app_badger-1.3.0/
[ +155 ms] Found plugin flutter_file_dialog at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_file_dialog-2.3.0/
[ +148 ms] Found plugin flutter_keyboard_visibility at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_keyboard_visibility-5.2.0/
[ +136 ms] Found plugin flutter_keyboard_visibility_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_keyboard_visibility_web-2.0.0/
[ +105 ms] Found plugin flutter_local_notifications at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_local_notifications-9.4.1/
[ +259 ms] Found plugin flutter_native_splash at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_native_splash-2.1.2+1/
[  +83 ms] Found plugin flutter_olm at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_olm-1.2.0/
[  +54 ms] Found plugin flutter_openssl_crypto at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_openssl_crypto-0.1.0/
[  +48 ms] Found plugin flutter_plugin_android_lifecycle at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_plugin_android_lifecycle-2.0.5/
[  +33 ms] Found plugin flutter_ringtone_player at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_ringtone_player-3.1.1/
[  +62 ms] Found plugin flutter_secure_storage at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_secure_storage-5.0.2/
[  +46 ms] Found plugin flutter_secure_storage_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_secure_storage_linux-1.1.0/
[  +80 ms] Found plugin flutter_secure_storage_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_secure_storage_macos-1.1.0/
[  +72 ms] Found plugin flutter_secure_storage_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_secure_storage_web-1.0.2/
[  +48 ms] Found plugin flutter_secure_storage_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_secure_storage_windows-1.1.2/
[ +154 ms] Found plugin flutter_web_auth at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_web_auth-0.4.1/
[  +67 ms] Found plugin flutter_webrtc at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_webrtc-0.8.4/
[ +106 ms] Found plugin geolocator at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/geolocator-7.7.1/
[  +39 ms] Found plugin geolocator_apple at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/geolocator_apple-1.2.2/
[  +96 ms] Found plugin geolocator_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/geolocator_web-2.0.6/
[ +251 ms] Found plugin image_picker at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/image_picker-0.8.4+11/
[  +76 ms] Found plugin image_picker_for_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/image_picker_for_web-2.1.6/
[ +105 ms] Found plugin just_audio at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/just_audio-0.9.20/
[  +41 ms] Found plugin just_audio_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/just_audio_web-0.4.7/
[ +409 ms] Found plugin move_to_background at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/move_to_background-1.0.2/
[ +170 ms] Found plugin package_info_plus at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus-1.4.2/
[  +47 ms] Found plugin package_info_plus_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_linux-1.0.5/
[  +27 ms] Found plugin package_info_plus_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_macos-1.3.0/
[ +100 ms] Found plugin package_info_plus_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_web-1.0.5/
[  +25 ms] Found plugin package_info_plus_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_windows-1.0.5/
[  +84 ms] Found plugin path_provider at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-2.0.9/
[  +38 ms] Found plugin path_provider_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_android-2.0.12/
[  +32 ms] Found plugin path_provider_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_ios-2.0.8/
[  +32 ms] Found plugin path_provider_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-2.1.5/
[  +30 ms] Found plugin path_provider_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-2.0.5/
[  +75 ms] Found plugin path_provider_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-2.0.5/
[  +48 ms] Found plugin permission_handler at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-9.2.0/
[  +15 ms] Found plugin permission_handler_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler_android-9.0.2+1/
[  +19 ms] Found plugin permission_handler_apple at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler_apple-9.0.3/
[  +68 ms] Found plugin permission_handler_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler_windows-0.1.0/
[ +262 ms] Found plugin receive_sharing_intent at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/receive_sharing_intent-1.4.5/
[  +32 ms] Found plugin record at /media/d/Program Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/record-3.0.3/
[  +36 ms] Found plugin record_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/record_web-0.2.1/
[ +122 ms] Found plugin share_plus at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/share_plus-4.0.4/
[  +42 ms] Found plugin share_plus_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/share_plus_linux-3.0.0/
[  +24 ms] Found plugin share_plus_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/share_plus_macos-3.0.0/
[  +65 ms] Found plugin share_plus_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/share_plus_web-3.0.0/
[  +50 ms] Found plugin share_plus_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/share_plus_windows-3.0.0/
[  +29 ms] Found plugin shared_preferences at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences-2.0.13/
[  +55 ms] Found plugin shared_preferences_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_android-2.0.11/
[  +46 ms] Found plugin shared_preferences_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_ios-2.1.0/
[  +20 ms] Found plugin shared_preferences_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_linux-2.1.0/
[  +33 ms] Found plugin shared_preferences_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_macos-2.0.3/
[  +46 ms] Found plugin shared_preferences_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_web-2.0.3/
[  +36 ms] Found plugin shared_preferences_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_windows-2.1.0/
[ +168 ms] Found plugin sqflite at /media/d/Program Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/sqflite-2.0.2/
[ +284 ms] Found plugin uni_links at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/uni_links-0.5.1/
[  +28 ms] Found plugin uni_links_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/uni_links_web-0.1.0/
[  +32 ms] Found plugin unifiedpush at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/unifiedpush-4.0.0/
[  +28 ms] Found plugin unifiedpush_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/unifiedpush_android-1.0.0/
[  +88 ms] Found plugin url_launcher at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.20/
[  +36 ms] Found plugin url_launcher_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_android-6.0.15/
[  +23 ms] Found plugin url_launcher_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_ios-6.0.15/
[  +12 ms] Found plugin url_launcher_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_linux-3.0.0/
[  +22 ms] Found plugin url_launcher_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-3.0.0/
[  +35 ms] Found plugin url_launcher_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_web-2.0.6/
[  +28 ms] Found plugin url_launcher_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_windows-3.0.0/
[  +70 ms] Found plugin video_compress at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/video_compress-3.1.0/
[  +18 ms] Found plugin video_player at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/video_player-2.3.0/
[  +53 ms] Found plugin video_player_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_android-2.3.2/
[  +15 ms] Found plugin video_player_avfoundation at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_avfoundation-2.3.1/
[  +33 ms] Found plugin video_player_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_web-2.0.7/
[  +49 ms] Found plugin wakelock at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/wakelock-0.6.1+2/
[  +56 ms] Found plugin wakelock_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/wakelock_macos-0.4.0/
[  +61 ms] Found plugin wakelock_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/wakelock_web-0.4.0/
[ +296 ms] Found plugin integration_test at /media/d/Program Files/elf/flutter/packages/integration_test/
[+1273 ms] Found plugin native_imaging at /media/d/Program
Files/elf/flutter/.pub-cache/git/native_imaging-8c6a5afe2c965b79b5959bb4b49c4aad020cb980/
[  +25 ms] Found plugin connectivity_plus_web at /media/d/Program
Files/elf/flutter/.pub-cache/git/plus_plugins-a04401cb48abe92d138c0e9288b360739994a9e9/packages/connectivity_plus/connecti
vity_plus_web/
[  +33 ms] Found plugin qr_code_scanner at /media/d/Program
Files/elf/flutter/.pub-cache/git/qr_code_scanner-0feca6f15042c279ff575c559a3430df917b623d/
[  +50 ms] Found plugin geolocator_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/hanntech-gmbh.gitlab.io%47free2pass%47flutter-geolocator-floss%47/geolocator_android-1
.0.1/
[  +99 ms] Found plugin audio_session at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/audio_session-0.1.6+1/
[  +48 ms] Found plugin callkeep at /media/d/Program Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/callkeep-0.3.2/
[ +101 ms] Found plugin connectivity_plus at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_plus-2.2.1/
[  +11 ms] Found plugin connectivity_plus_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_plus_linux-1.3.0/
[   +5 ms] Found plugin connectivity_plus_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_plus_macos-1.2.1/
[  +36 ms] Found plugin connectivity_plus_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_plus_windows-1.2.0/
[ +142 ms] Found plugin desktop_drop at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/desktop_drop-0.3.3/
[  +51 ms] Found plugin desktop_lifecycle at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/desktop_lifecycle-0.1.0/
[  +52 ms] Found plugin device_info_plus at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus-3.2.2/
[  +22 ms] Found plugin device_info_plus_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus_linux-2.1.1/
[  +27 ms] Found plugin device_info_plus_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus_macos-2.2.2/
[  +48 ms] Found plugin device_info_plus_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus_web-2.1.0/
[  +21 ms] Found plugin device_info_plus_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus_windows-2.1.1/
[  +23 ms] Found plugin disk_space at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/disk_space-0.2.1/
[  +12 ms] Found plugin dynamic_color at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/dynamic_color-1.2.2/
[  +58 ms] Found plugin emoji_picker_flutter at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/emoji_picker_flutter-1.1.2/
[  +65 ms] Found plugin file_picker at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/file_picker-4.5.1/
[  +20 ms] Found plugin file_selector at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/file_selector-0.8.2+1/
[  +31 ms] Found plugin file_selector_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/file_selector_linux-0.0.2+1/
[  +37 ms] Found plugin file_selector_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/file_selector_web-0.8.1+3/
[  +61 ms] Found plugin flutter_app_badger at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_app_badger-1.3.0/
[  +32 ms] Found plugin flutter_file_dialog at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_file_dialog-2.3.0/
[  +29 ms] Found plugin flutter_keyboard_visibility at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_keyboard_visibility-5.2.0/
[  +34 ms] Found plugin flutter_keyboard_visibility_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_keyboard_visibility_web-2.0.0/
[  +33 ms] Found plugin flutter_local_notifications at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_local_notifications-9.4.1/
[  +77 ms] Found plugin flutter_native_splash at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_native_splash-2.1.2+1/
[  +39 ms] Found plugin flutter_olm at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_olm-1.2.0/
[  +38 ms] Found plugin flutter_openssl_crypto at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_openssl_crypto-0.1.0/
[  +11 ms] Found plugin flutter_plugin_android_lifecycle at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_plugin_android_lifecycle-2.0.5/
[  +25 ms] Found plugin flutter_ringtone_player at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_ringtone_player-3.1.1/
[  +27 ms] Found plugin flutter_secure_storage at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_secure_storage-5.0.2/
[  +28 ms] Found plugin flutter_secure_storage_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_secure_storage_linux-1.1.0/
[  +38 ms] Found plugin flutter_secure_storage_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_secure_storage_macos-1.1.0/
[  +37 ms] Found plugin flutter_secure_storage_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_secure_storage_web-1.0.2/
[  +42 ms] Found plugin flutter_secure_storage_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_secure_storage_windows-1.1.2/
[ +101 ms] Found plugin flutter_web_auth at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_web_auth-0.4.1/
[  +37 ms] Found plugin flutter_webrtc at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_webrtc-0.8.4/
[ +299 ms] Found plugin geolocator at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/geolocator-7.7.1/
[  +17 ms] Found plugin geolocator_apple at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/geolocator_apple-1.2.2/
[  +33 ms] Found plugin geolocator_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/geolocator_web-2.0.6/
[+1163 ms] Found plugin image_picker at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/image_picker-0.8.4+11/
[  +15 ms] Found plugin image_picker_for_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/image_picker_for_web-2.1.6/
[ +104 ms] Found plugin just_audio at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/just_audio-0.9.20/
[  +38 ms] Found plugin just_audio_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/just_audio_web-0.4.7/
[ +925 ms] Found plugin move_to_background at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/move_to_background-1.0.2/
[  +44 ms] Found plugin package_info_plus at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus-1.4.2/
[   +5 ms] Found plugin package_info_plus_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_linux-1.0.5/
[   +5 ms] Found plugin package_info_plus_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_macos-1.3.0/
[   +8 ms] Found plugin package_info_plus_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_web-1.0.5/
[   +5 ms] Found plugin package_info_plus_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_windows-1.0.5/
[  +28 ms] Found plugin path_provider at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-2.0.9/
[  +15 ms] Found plugin path_provider_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_android-2.0.12/
[  +10 ms] Found plugin path_provider_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_ios-2.0.8/
[  +32 ms] Found plugin path_provider_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-2.1.5/
[  +19 ms] Found plugin path_provider_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-2.0.5/
[  +32 ms] Found plugin path_provider_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-2.0.5/
[  +28 ms] Found plugin permission_handler at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-9.2.0/
[   +9 ms] Found plugin permission_handler_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler_android-9.0.2+1/
[   +5 ms] Found plugin permission_handler_apple at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler_apple-9.0.3/
[   +7 ms] Found plugin permission_handler_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler_windows-0.1.0/
[ +109 ms] Found plugin receive_sharing_intent at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/receive_sharing_intent-1.4.5/
[   +6 ms] Found plugin record at /media/d/Program Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/record-3.0.3/
[  +21 ms] Found plugin record_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/record_web-0.2.1/
[  +71 ms] Found plugin share_plus at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/share_plus-4.0.4/
[  +14 ms] Found plugin share_plus_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/share_plus_linux-3.0.0/
[   +6 ms] Found plugin share_plus_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/share_plus_macos-3.0.0/
[  +24 ms] Found plugin share_plus_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/share_plus_web-3.0.0/
[   +5 ms] Found plugin share_plus_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/share_plus_windows-3.0.0/
[  +10 ms] Found plugin shared_preferences at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences-2.0.13/
[   +5 ms] Found plugin shared_preferences_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_android-2.0.11/
[   +4 ms] Found plugin shared_preferences_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_ios-2.1.0/
[  +47 ms] Found plugin shared_preferences_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_linux-2.1.0/
[  +29 ms] Found plugin shared_preferences_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_macos-2.0.3/
[  +26 ms] Found plugin shared_preferences_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_web-2.0.3/
[  +27 ms] Found plugin shared_preferences_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_windows-2.1.0/
[ +163 ms] Found plugin sqflite at /media/d/Program Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/sqflite-2.0.2/
[ +120 ms] Found plugin uni_links at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/uni_links-0.5.1/
[  +13 ms] Found plugin uni_links_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/uni_links_web-0.1.0/
[  +27 ms] Found plugin unifiedpush at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/unifiedpush-4.0.0/
[  +17 ms] Found plugin unifiedpush_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/unifiedpush_android-1.0.0/
[ +107 ms] Found plugin url_launcher at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.20/
[  +14 ms] Found plugin url_launcher_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_android-6.0.15/
[  +56 ms] Found plugin url_launcher_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_ios-6.0.15/
[  +16 ms] Found plugin url_launcher_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_linux-3.0.0/
[  +37 ms] Found plugin url_launcher_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-3.0.0/
[  +42 ms] Found plugin url_launcher_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_web-2.0.6/
[  +31 ms] Found plugin url_launcher_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_windows-3.0.0/
[  +97 ms] Found plugin video_compress at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/video_compress-3.1.0/
[  +15 ms] Found plugin video_player at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/video_player-2.3.0/
[  +35 ms] Found plugin video_player_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_android-2.3.2/
[  +16 ms] Found plugin video_player_avfoundation at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_avfoundation-2.3.1/
[  +46 ms] Found plugin video_player_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_web-2.0.7/
[  +80 ms] Found plugin wakelock at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/wakelock-0.6.1+2/
[  +33 ms] Found plugin wakelock_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/wakelock_macos-0.4.0/
[  +50 ms] Found plugin wakelock_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/wakelock_web-0.4.0/
[ +210 ms] Found plugin integration_test at /media/d/Program Files/elf/flutter/packages/integration_test/
[+2220 ms] Generating
/media/d/temp/git/fluffychat/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java
[+2499 ms] 💪 Building with sound null safety 💪
[ +420 ms] Building Linux application...
[ +659 ms] executing: [build/linux/x64/release/] cmake -G Ninja -DCMAKE_BUILD_TYPE=Release
-DFLUTTER_TARGET_PLATFORM=linux-x64 /media/d/temp/git/fluffychat/linux
[+1137 ms] CMake Error at /usr/share/cmake-3.22/Modules/CMakeDetermineCXXCompiler.cmake:48 (message):
[  +47 ms]   Could not find compiler set in environment variable CXX:
[   +9 ms]   clang++.
[  +13 ms] Call Stack (most recent call first):
[  +21 ms]   CMakeLists.txt:2 (project)
[   +9 ms] CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
[  +54 ms] -- Configuring incomplete, errors occurred!
[  +13 ms] See also "/media/d/temp/git/fluffychat/build/linux/x64/release/CMakeFiles/CMakeOutput.log".
[ +522 ms] Building Linux application... (completed in 2 215ms)
[  +25 ms] "flutter linux" took 30 819ms.
[ +145 ms] Unable to generate build files
[  +22 ms]
           #0      throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
           #1      _runCmake (package:flutter_tools/src/linux/build_linux.dart:156:5)
           <asynchronous suspension>
           #2      buildLinux (package:flutter_tools/src/linux/build_linux.dart:76:5)
           <asynchronous suspension>
           #3      BuildLinuxCommand.runCommand (package:flutter_tools/src/commands/build_linux.dart:85:5)
           <asynchronous suspension>
           #4      FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1183:27)
           <asynchronous suspension>
           #5      AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
           <asynchronous suspension>
           #6      CommandRunner.runCommand (package:args/command_runner.dart:209:13)
           <asynchronous suspension>
           #7      FlutterCommandRunner.runCommand.<anonymous closure>
           (package:flutter_tools/src/runner/flutter_command_runner.dart:281:9)
           <asynchronous suspension>
           #8      AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
           <asynchronous suspension>
           #9      FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:229:5)
           <asynchronous suspension>
           #10     run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:9)
           <asynchronous suspension>
           #11     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
           <asynchronous suspension>
           #12     main (package:flutter_tools/executable.dart:94:3)
           <asynchronous suspension>


[ +760 ms] ensureAnalyticsSent: 657ms
[  +17 ms] Running shutdown hooks
[   +3 ms] Shutdown hooks complete
[  +24 ms] exiting with code 1
@bq:23:38:42:/media/d/temp/git/fluffychat$

@bq:23:38:42:/media/d/temp/git/fluffychat$ CXX=/usr/bin/clang++-11 /Programs/elf/flutter/bin/flutter doctor -v
[✓] Flutter (Channel stable, 3.0.1, on Debian GNU/Linux bookworm/sid 5.10.0-8-amd64, locale ru_UA.UTF-8)
    • Flutter version 3.0.1 at /media/d/Program Files/elf/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision fb57da5f94 (11 дней назад), 2022-05-19 15:50:29 -0700
    • Engine revision caaafc5604
    • Dart version 2.17.1
    • DevTools version 2.12.2

[✗] Android toolchain - develop for Android devices
    • Android SDK at /usr/lib/android-sdk
    ✗ cmdline-tools component is missing
      Run `path/to/sdkmanager --install "cmdline-tools;latest"`
      See https://developer.android.com/studio/command-line for more details.

[✗] Chrome - develop for the web (Cannot find Chrome executable at google-chrome)
    ! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.

[✗] Linux toolchain - develop for Linux desktop
    ✗ clang++ is required for Linux development.
      It is likely available from your distribution (e.g.: apt install clang), or can be downloaded from
      https://releases.llvm.org/
    • cmake version 3.22.1
    • ninja version 1.10.1
    • pkg-config version 0.29.2

[!] Android Studio (not installed)
    • Android Studio not found; download from https://developer.android.com/studio/index.html
      (or visit https://flutter.dev/docs/get-started/install/linux#android-setup for detailed instructions).

[✓] Connected device (1 available)
    • Linux (desktop) • linux • linux-x64 • Debian GNU/Linux bookworm/sid 5.10.0-8-amd64

[✓] HTTP Host Availability
    • All required HTTP hosts are available

! Doctor found issues in 4 categories.
@bq:23:42:40:/media/d/temp/git/fluffychat$
@huycozy huycozy added the in triage Presently being triaged by the triage team label May 31, 2022
@huycozy
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huycozy commented May 31, 2022

Hi @bodqhrohro,
I assume that you've already known about the solution to fix your error from here. If not, try it and let me know the results.

@bq:23:37:56:/media/d/temp/git/fluffychat$ CXX=/usr/bin/clang++-11 /Programs/elf/flutter/bin/flutter build linux --release

I also have tried to run the build command similar to yours, but it ran normally.

Sample build 
huynq@Huy-Ubuntu:~/Documents/Working/projects/reproduce_sample$ CXX=/usr/bin/clang++-10 flutter build linux

💪 Building with sound null safety 💪

Building Linux application...                                           
huynq@Huy-Ubuntu:~/Documents/Working/projects/reproduce_sample$

Try to build FluffyChat for GNU/Linux with the compiler location other than /usr/bin/clang++.

The goal of this GitHub repo is not to give assistance on personal code/external project. Please share a completed and minimal reproducible code sample that we can directly copy paste and run to verify this issue.

@huycozy huycozy added the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label May 31, 2022
@bodqhrohro
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Hi @bodqhrohro, I assume that you've already known about the solution to fix your error from here. If not, try it and let me know the results.

I have already described in OP why this is more of a quirk than a solution. The compiler may be installed at an arbitrary location, and Flutter should not assume that it always should be available at /usr/bin/clang++. Especially if there are multiple Clang versions installed. Users of live systems may not even have /usr/bin/ mounted as writable, and users of non-FHS-compliant distributions may lack it at all.

@bq:23:37:56:/media/d/temp/git/fluffychat$ CXX=/usr/bin/clang++-11 /Programs/elf/flutter/bin/flutter build linux --release

I also have tried to run the build command similar to yours, but it ran normally.
Sample build

Do you have a /usr/bin/clang++ file?

Try to build FluffyChat for GNU/Linux with the compiler location other than /usr/bin/clang++.

The goal of this GitHub repo is not to give assistance on personal code/external project. Please share a completed and minimal reproducible code sample that we can directly copy paste and run to verify this issue.

It applies to the official Gallery example as well:

Logs 
@bq:16:17:32:/media/d/temp/git/gallery$ CXX=/usr/bin/clang++-11 /Programs/elf/flutter/bin/flutter build linux --release --
verbose
[+1965 ms] executing: uname -m
[ +888 ms] Exit code 0 from: uname -m
[   +5 ms] x86_64
[ +195 ms] executing: [/media/d/Program Files/elf/flutter/] git -c log.showSignature=false log -n 1 --pretty=format:%H
[+2029 ms] Exit code 0 from: git -c log.showSignature=false log -n 1 --pretty=format:%H
[   +2 ms] c778f2be1319ed2a4037d0fbace09cd647e237d8
[  +27 ms] executing: [/media/d/Program Files/elf/flutter/] git tag --points-at c778f2be1319ed2a4037d0fbace09cd647e237d8
[+1721 ms] Exit code 0 from: git tag --points-at c778f2be1319ed2a4037d0fbace09cd647e237d8
[  +29 ms] executing: [/media/d/Program Files/elf/flutter/] git describe --match *.*.* --long --tags
c778f2be1319ed2a4037d0fbace09cd647e237d8
[+1449 ms] Exit code 0 from: git describe --match *.*.* --long --tags c778f2be1319ed2a4037d0fbace09cd647e237d8
[   +3 ms] 3.0.0-0.0.pre-1017-gc778f2be13
[+1608 ms] executing: [/media/d/Program Files/elf/flutter/] git rev-parse --abbrev-ref --symbolic @{upstream}
[ +175 ms] Exit code 0 from: git rev-parse --abbrev-ref --symbolic @{upstream}
[   +4 ms] origin/master
[   +4 ms] executing: [/media/d/Program Files/elf/flutter/] git ls-remote --get-url origin
[  +99 ms] Exit code 0 from: git ls-remote --get-url origin
[   +3 ms] https://github.com/flutter/flutter.git
[+1835 ms] executing: [/media/d/Program Files/elf/flutter/] git rev-parse --abbrev-ref HEAD
[ +151 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
[  +14 ms] master
[+2050 ms] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[   +2 ms] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[   +3 ms] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[ +128 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[   +2 ms] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
[   +8 ms] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[   +7 ms] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[+6361 ms] Artifact Instance of 'MaterialFonts' is not required, skipping update.
[  +13 ms] Artifact Instance of 'GradleWrapper' is not required, skipping update.
[   +6 ms] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[   +6 ms] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[  +18 ms] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[   +4 ms] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[  +13 ms] Artifact Instance of 'FlutterSdk' is not required, skipping update.
[   +6 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[   +8 ms] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[  +86 ms] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[   +7 ms] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[   +8 ms] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[  +14 ms] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[   +5 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[   +3 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[  +10 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[   +9 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[  +13 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[   +6 ms] Artifact Instance of 'FontSubsetArtifacts' is not required, skipping update.
[   +9 ms] Artifact Instance of 'PubDependencies' is not required, skipping update.
[+2132 ms] Initializing file store
[ +130 ms] Done initializing file store
[+7905 ms] Skipping target: gen_localizations
[  +62 ms] Persisting file store
[ +198 ms] Done persisting file store
[ +220 ms] Skipping pub get: version match.
[+2078 ms] Found plugin dual_screen at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/dual_screen-1.0.3/
[+1825 ms] Found plugin package_info_plus at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus-1.4.2/
[ +120 ms] Found plugin package_info_plus_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_linux-1.0.5/
[  +90 ms] Found plugin package_info_plus_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_macos-1.3.0/
[ +278 ms] Found plugin package_info_plus_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_web-1.0.5/
[  +98 ms] Found plugin package_info_plus_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_windows-1.0.5/
[ +207 ms] Found plugin path_provider at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-2.0.10/
[ +107 ms] Found plugin path_provider_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_android-2.0.14/
[ +268 ms] Found plugin path_provider_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_ios-2.0.9/
[ +127 ms] Found plugin path_provider_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-2.1.6/
[ +158 ms] Found plugin path_provider_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-2.0.6/
[ +160 ms] Found plugin path_provider_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-2.0.6/
[ +536 ms] Found plugin shared_preferences at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences-2.0.15/
[  +68 ms] Found plugin shared_preferences_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_android-2.0.12/
[  +65 ms] Found plugin shared_preferences_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_ios-2.1.1/
[  +83 ms] Found plugin shared_preferences_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_linux-2.1.1/
[  +82 ms] Found plugin shared_preferences_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_macos-2.0.4/
[ +137 ms] Found plugin shared_preferences_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_web-2.0.4/
[ +153 ms] Found plugin shared_preferences_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_windows-2.1.1/
[ +812 ms] Found plugin url_launcher at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.1.2/
[  +56 ms] Found plugin url_launcher_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_android-6.0.17/
[ +114 ms] Found plugin url_launcher_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_ios-6.0.16/
[  +47 ms] Found plugin url_launcher_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_linux-3.0.1/
[ +287 ms] Found plugin url_launcher_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-3.0.1/
[ +214 ms] Found plugin url_launcher_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_web-2.0.11/
[  +39 ms] Found plugin url_launcher_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_windows-3.0.1/
[+2465 ms] Found plugin dual_screen at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/dual_screen-1.0.3/
[ +513 ms] Found plugin package_info_plus at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus-1.4.2/
[  +20 ms] Found plugin package_info_plus_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_linux-1.0.5/
[  +22 ms] Found plugin package_info_plus_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_macos-1.3.0/
[  +45 ms] Found plugin package_info_plus_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_web-1.0.5/
[  +33 ms] Found plugin package_info_plus_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/package_info_plus_windows-1.0.5/
[  +61 ms] Found plugin path_provider at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-2.0.10/
[  +57 ms] Found plugin path_provider_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_android-2.0.14/
[  +32 ms] Found plugin path_provider_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_ios-2.0.9/
[  +58 ms] Found plugin path_provider_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-2.1.6/
[  +51 ms] Found plugin path_provider_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-2.0.6/
[  +92 ms] Found plugin path_provider_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-2.0.6/
[ +196 ms] Found plugin shared_preferences at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences-2.0.15/
[  +49 ms] Found plugin shared_preferences_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_android-2.0.12/
[  +53 ms] Found plugin shared_preferences_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_ios-2.1.1/
[  +52 ms] Found plugin shared_preferences_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_linux-2.1.1/
[  +29 ms] Found plugin shared_preferences_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_macos-2.0.4/
[  +51 ms] Found plugin shared_preferences_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_web-2.0.4/
[  +52 ms] Found plugin shared_preferences_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences_windows-2.1.1/
[ +221 ms] Found plugin url_launcher at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.1.2/
[  +52 ms] Found plugin url_launcher_android at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_android-6.0.17/
[  +79 ms] Found plugin url_launcher_ios at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_ios-6.0.16/
[  +36 ms] Found plugin url_launcher_linux at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_linux-3.0.1/
[  +33 ms] Found plugin url_launcher_macos at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-3.0.1/
[  +47 ms] Found plugin url_launcher_web at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_web-2.0.11/
[  +54 ms] Found plugin url_launcher_windows at /media/d/Program
Files/elf/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_windows-3.0.1/
[+2921 ms] Generating
/media/d/temp/git/gallery/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java
[+3065 ms] 💪 Building with sound null safety 💪
[ +524 ms] Building Linux application...
[ +712 ms] executing: [build/linux/x64/release/] cmake -G Ninja -DCMAKE_BUILD_TYPE=Release
-DFLUTTER_TARGET_PLATFORM=linux-x64 /media/d/temp/git/gallery/linux
[+10343 ms] CMake Error at /usr/share/cmake-3.22/Modules/CMakeDetermineCXXCompiler.cmake:48 (message):
[  +27 ms]   Could not find compiler set in environment variable CXX:
[  +12 ms]   clang++.
[        ] Call Stack (most recent call first):
[  +14 ms]   CMakeLists.txt:2 (project)
[  +14 ms] CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
[  +31 ms] -- Configuring incomplete, errors occurred!
[   +5 ms] See also "/media/d/temp/git/gallery/build/linux/x64/release/CMakeFiles/CMakeOutput.log".
[ +312 ms] Building Linux application... (completed in 11,3s)
[  +34 ms] "flutter linux" took 49 076ms.
[ +146 ms] Unable to generate build files
[  +14 ms]
           #0      throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
           #1      _runCmake (package:flutter_tools/src/linux/build_linux.dart:155:5)
           <asynchronous suspension>
           #2      buildLinux (package:flutter_tools/src/linux/build_linux.dart:76:5)
           <asynchronous suspension>
           #3      BuildLinuxCommand.runCommand (package:flutter_tools/src/commands/build_linux.dart:87:5)
           <asynchronous suspension>
           #4      FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1194:27)
           <asynchronous suspension>
           #5      AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
           <asynchronous suspension>
           #6      CommandRunner.runCommand (package:args/command_runner.dart:209:13)
           <asynchronous suspension>
           #7      FlutterCommandRunner.runCommand.<anonymous closure>
           (package:flutter_tools/src/runner/flutter_command_runner.dart:281:9)
           <asynchronous suspension>
           #8      AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
           <asynchronous suspension>
           #9      FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:229:5)
           <asynchronous suspension>
           #10     run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:9)
           <asynchronous suspension>
           #11     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
           <asynchronous suspension>
           #12     main (package:flutter_tools/executable.dart:94:3)
           <asynchronous suspension>


[ +373 ms] ensureAnalyticsSent: 284ms
[  +25 ms] Running shutdown hooks
[  +25 ms] Shutdown hooks complete
[  +41 ms] exiting with code 1
@bq:18:10:08:/media/d/temp/git/gallery$

@github-actions github-actions bot removed the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label May 31, 2022
@huycozy
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huycozy commented Jun 1, 2022

Hi @bodqhrohro,

  • Do you have a /usr/bin/clang++ file?
huynq@Huy-Ubuntu:~$ ls /usr/bin | grep clang
clang
clang++
clang++-10
clang-10
clang++-11
clang-11
clang-cpp-10
clang-cpp-11

  • I also tried using clang++ and clang++-11. Both of them are fine.

    Demo clang build 
     huynq@Huy-Ubuntu:~/Documents/Working/projects/reproduce_sample$ CXX=/usr/bin/clang++ flutter build linux

 💪 Building with sound null safety 💪

 Building Linux application...                                           
 huynq@Huy-Ubuntu:~/Documents/Working/projects/reproduce_sample$ 
     huynq@Huy-Ubuntu:~/Documents/Working/projects/reproduce_sample$ CXX=/usr/bin/clang++-11 flutter build linux

 💪 Building with sound null safety 💪

 Building Linux application...                                           
 huynq@Huy-Ubuntu:~/Documents/Working/projects/reproduce_sample$

  • Gallery sample:

    Demo gallery build 
     huynq@Huy-Ubuntu:~/Documents/Working/projects/gallery$ CXX=/usr/bin/clang++-11 flutterm build linux

 💪 Building with sound null safety 💪

 Building Linux application...                                           
 huynq@Huy-Ubuntu:~/Documents/Working/projects/gallery$ 
     huynq@Huy-Ubuntu:~/Documents/Working/projects/gallery$ CXX=/usr/bin/clang++-11 flutterm run
 Multiple devices found:
 Linux (desktop) • linux  • linux-x64      • Ubuntu 20.04.4 LTS 5.13.0-44-generic
 Chrome (web)    • chrome • web-javascript • Google Chrome 101.0.4951.54
 [1]: Linux (linux)
 [2]: Chrome (chrome)
 Please choose one (To quit, press "q/Q"): 1
 Launching lib/main.dart on Linux in debug mode...
 Building Linux application...                                           

 ** (flutter_gallery:34529): CRITICAL **: 09:53:20.582: Failed to read XDG desktop portal settings: GDBus.Error:org.freedesktop.portal.Error.NotFound: Requested setting not found
 Syncing files to device Linux...                                   299ms

 Flutter run key commands.
 r Hot reload. 🔥🔥🔥
 R Hot restart.
 h List all available interactive commands.
 d Detach (terminate "flutter run" but leave application running).
 c Clear the screen
 q Quit (terminate the application on the device).

 💪 Running with sound null safety 💪

 An Observatory debugger and profiler on Linux is available at: http://127.0.0.1:38723/6KeLdCTligU=/
 The Flutter DevTools debugger and profiler on Linux is available at:
 http://127.0.0.1:9100?uri=http://127.0.0.1:38723/6KeLdCTligU=/

    Screenshot from 2022-06-01 09-54-45

    Gallery build verbose 
     huynq@Huy-Ubuntu:~/Documents/Working/projects/gallery$ CXX=/usr/bin/clang++-11 flutterm build linux --release --verbose

    Attaching log file by it's too long log.txt

    It was built successfully without error.

@huycozy huycozy added the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label Jun 1, 2022
@bodqhrohro
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Hi @bodqhrohro,

* Do you have a /usr/bin/clang++ file?

huynq@Huy-Ubuntu:~$ ls /usr/bin | grep clang
clang
clang++
clang++-10
clang-10
clang++-11
clang-11
clang-cpp-10
clang-cpp-11

That's the reason: you have a /usr/bin/clang++ file and thus the build process proceeds well for you. The issue is about the case when such a file is absent.

@github-actions github-actions bot removed the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label Jun 1, 2022
@huycozy
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huycozy commented Jun 1, 2022

That's the reason: you have a /usr/bin/clang++ file and thus the build process proceeds well for you. The issue is about the case when such a file is absent.

Yes, it is:

flutter/packages/flutter_tools/lib/src/linux/build_linux.dart

Line 150 in a07beab

'CXX': 'clang++',

@huycozy huycozy added tool Affects the "flutter" command-line tool. See also t: labels. platform-linux Building on or for Linux specifically c: proposal A detailed proposal for a change to Flutter a: desktop Running on desktop a: build Building flutter applications with the tool and removed in triage Presently being triaged by the triage team labels Jun 1, 2022
@huycozy huycozy changed the title The $CXX environment variable is ignored [Proposal] Support $CXX environment variable Jun 1, 2022
@christopherfujino christopherfujino added the c: new feature Nothing broken; request for a new capability label Jun 1, 2022
@gspencergoog gspencergoog added platform-windows Building on or for Windows specifically and removed a: desktop Running on desktop labels Jun 2, 2022
@christopherfujino christopherfujino added the P3 Issues that are less important to the Flutter project label Jun 7, 2022
@flutter-triage-bot flutter-triage-bot bot added team-tool Owned by Flutter Tool team triaged-tool Triaged by Flutter Tool team labels Jul 8, 2023
@bodqhrohro bodqhrohro mentioned this issue Sep 25, 2023
Closed
8 tasks
bodqhrohro added a commit to bodqhrohro/flutter that referenced this issue Sep 25, 2023
@bodqhrohro
[linux] Use $CC/$CXX environment variables (flutter#104989)
d3454bb
bc-lee added a commit to bc-lee/flutter that referenced this issue May 16, 2024
@bc-lee
Allow users to specify CC/CXX environment variables during Linux build
246baa8 
This commit enables flutter uses to specify CC and CXX
environment variables during the build process for Linux. Also, it
warns the user if the provided C or C++ compilers are not the system's
clang and clang++ compilers. If these variables are not declared, the
program uses the system default compilers.

Closes flutter#104989
@bc-lee bc-lee linked a pull request May 16, 2024 that will close this issue
Draft
9 tasks
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a: build Building flutter applications with the tool c: new feature Nothing broken; request for a new capability c: proposal A detailed proposal for a change to Flutter P3 Issues that are less important to the Flutter project platform-linux Building on or for Linux specifically platform-windows Building on or for Windows specifically team-tool Owned by Flutter Tool team tool Affects the "flutter" command-line tool. See also t: labels. triaged-tool Triaged by Flutter Tool team
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@bodqhrohro @christopherfujino @gspencergoog @huycozy