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• Download & run the Qt installer from https://www.qt.io/download-open-source.
• During install, create an account and select the GPLv3+ license.
• Install these modules
  • Qt v 5.15.2
  • MSVC 2019 64-bit
  • Qt Creator
  • Qt Creator CDB Debugger Support
  • If on Windows, select Debugging Tools for Windows

• Microsoft Visual Studio Code, Community version

This example is for installing on Windows 10

• Clone the develop branch from GitHub (https://github.com/fashionfreedom/seamly2d.

• Run Qt Creator and open project Seamly2D (browse to your cloned Seamly2d repo and select the Seamly2D.pro file.)

• In the left-hand menu, select the Project wrench icon to open Build Settings

  • Select the Manage Kits... button in upper left
    * Qt Versions tab - Select Desktop Qt 5.15.2 MSVC2019 64bit, set as Default, Apply
    * Compilers tab - Under C++ select Microsoft Visual C++ Compiler 16.11.32630.194 (amd64), Apply
    * Debuggers tab - Select C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\cdb.exe, Apply
    * Kits tab - * Select Desktop Qt 5.12.2 MSVC2019 64bit (default) * Check the Force UTF-8 MSVC compiler output box * Click OK

• For the first build, in the Build top menu, select Run qmake then Build Seamly2D for all configurations

• For subsequent builds, in the BUild top menu, select Rebuild Seamly2D

• In the left-hand menu

  • Select Debug under the Desktop icon (looks like a TV)
  • Click the big green Run triangle with the bug icon
  • Seamly2D should open and you can begin testing your build

• Test your build by creating or opening a pattern, creating and editing pattern pieces, and generating a layout.

• If there are no problems, your branch is ready for a Pull Request.

• "msvc-version.conf loaded but QMAKE_MSC_VER isn't set"
  • Edit your C:\Qt\5.15.2\msvc2019_64\mkspecs\winrt-x64-msfc2019\qmake.conf Qt make configuration file
    • Add QMAKE_MSC_VER=1929 for MSVC 2019
    • You can read more here