Linux download fails

[sgehrman]

Launching lib/main.dart on Linux in debug mode...
[1/9] Creating directories for 'objectbox-download-populate'
[1/9] Performing download step (download, verify and extract) for 'objectbox-download-populate'
-- Downloading...
   dst='/home/steve/Documents/GitHub/dfc/dashboard/build/linux/x64/debug/_deps/objectbox-download-subbuild/objectbox-download-populate-prefix/src/objectbox-linux-x64.tar.gz'
   timeout='none'
-- Using src='https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz'
-- Retrying...
-- Using src='https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz'
-- Retry after 5 seconds (attempt #2) ...
-- Using src='https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz'
-- Retry after 5 seconds (attempt #3) ...
-- Using src='https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz'
-- Retry after 15 seconds (attempt #4) ...
-- Using src='https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz'
-- Retry after 60 seconds (attempt #5) ...
-- Using src='https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz'
CMake Error at objectbox-download-subbuild/objectbox-download-populate-prefix/src/objectbox-download-populate-stamp/download-objectbox-download-populate.cmake:159 (message):
  Each download failed!

    error: downloading 'https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz' failed
         status_code: 1
         status_string: "Unsupported protocol"
         log:
         --- LOG BEGIN ---
         Protocol "https" not supported or disabled in libcurl
  Closing connection -1


         --- LOG END ---
         error: downloading 'https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz' failed
         status_code: 1
         status_string: "Unsupported protocol"
         log:
         --- LOG BEGIN ---
         Protocol "https" not supported or disabled in libcurl

  Closing connection -1



         --- LOG END ---
         error: downloading 'https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz' failed
         status_code: 1
         status_string: "Unsupported protocol"
         log:
         --- LOG BEGIN ---
         Protocol "https" not supported or disabled in libcurl

  Closing connection -1



         --- LOG END ---
         error: downloading 'https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz' failed
         status_code: 1
         status_string: "Unsupported protocol"
         log:
         --- LOG BEGIN ---
         Protocol "https" not supported or disabled in libcurl

  Closing connection -1



         --- LOG END ---
         error: downloading 'https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz' failed
         status_code: 1
         status_string: "Unsupported protocol"
         log:
         --- LOG BEGIN ---
         Protocol "https" not supported or disabled in libcurl

  Closing connection -1



         --- LOG END ---
         error: downloading 'https://github.com/objectbox/objectbox-c/releases/download/v0.16.0/objectbox-linux-x64.tar.gz' failed
         status_code: 1
         status_string: "Unsupported protocol"
         log:
         --- LOG BEGIN ---
         Protocol "https" not supported or disabled in libcurl

  Closing connection -1



         --- LOG END ---




FAILED: objectbox-download-populate-prefix/src/objectbox-download-populate-stamp/objectbox-download-populate-download
cd /home/steve/Documents/GitHub/dfc/dashboard/build/linux/x64/debug/_deps && /usr/local/bin/cmake -P /home/steve/Documents/GitHub/dfc/dashboard/build/linux/x64/debug/_deps/objectbox-download-subbuild/objectbox-download-populate-prefix/src/objectbox-download-populate-stamp/download-objectbox-download-populate.cmake && /usr/local/bin/cmake -P /home/steve/Documents/GitHub/dfc/dashboard/build/linux/x64/debug/_deps/objectbox-download-subbuild/objectbox-download-populate-prefix/src/objectbox-download-populate-stamp/verify-objectbox-download-populate.cmake && /usr/local/bin/cmake -P /home/steve/Documents/GitHub/dfc/dashboard/build/linux/x64/debug/_deps/objectbox-download-subbuild/objectbox-download-populate-prefix/src/objectbox-download-populate-stamp/extract-objectbox-download-populate.cmake && /usr/local/bin/cmake -E touch /home/steve/Documents/GitHub/dfc/dashboard/build/linux/x64/debug/_deps/objectbox-download-subbuild/objectbox-download-populate-prefix/src/objectbox-download-populate-stamp/objectbox-download-populate-download
ninja: build stopped: subcommand failed.

CMake Error at /usr/local/share/cmake-3.15/Modules/FetchContent.cmake:915 (message):
  Build step for objectbox-download failed: 1
Call Stack (most recent call first):
  /usr/local/share/cmake-3.15/Modules/FetchContent.cmake:1006 (__FetchContent_directPopulate)
  flutter/ephemeral/.plugin_symlinks/objectbox_flutter_libs/linux/CMakeLists.txt:48 (FetchContent_Populate)


Exception: Unable to generate build files
Exited (sigterm)

[greenrobot-team]

Thanks for reporting. The issue appears to be the installed curl not supporting an https connection:

Protocol "https" not supported or disabled in libcurl

This works fine on our test system (GitHub Actions using Ubuntu 20.04 and Flutter 3.0.0).

You can use curl --version to see which protocols the version of curl installed on your system supports. Maybe you need to re-install it or update to a later version. https://curl.se/docs/faq.html#Protocol_xxx_not_supported_or_di

[github-actions]

Without additional information, we are unfortunately not sure how to resolve this issue. Therefore this issue has been automatically closed. Feel free to comment with additional details and we can re-open this issue.

[hosseinshaya]

I have the same issue and idk how to fix it