anchor.diff:      @if %errorlevel% neq 0 (@echo FAILED: stack setup --no-reinstall
   	exit /b 1)
   
  -:build
  +:build_installer
       call ..\scripts\appveyor-retry call stack --no-terminal build -j 2 --exec make-installer
       @if %errorlevel% equ 0 goto :built
   
  
positive.code: @echo ..with LibreSSL version:    %LIBRESSL_VERSION%
  @echo .
  
  @if not [%FASTER_REBUILD%]==[] (@echo WARNING: FASTER_REBUILD set, skipping to frontend packaging       
      pushd installers & goto :build)
  @if not [%FAST_REBUILD%]==[]   (@echo WARNING: FAST_REBUILD set, skipping directly to installer rebuild
      pushd installers & goto :fast_rebuild)
  
  @echo Obtaining curl
  powershell -Command "try { Import-Module BitsTransfer; Start-BitsTransfer -Source '%CURL_URL%' -Destination 'curl.7z'; } catch { exit 1; }"
  
negative.code: rem   1. Node.js ('npm' binary in PATH)
  rem   2. 7zip    ('7z'  binary in PATH)
  rem
  rem   installer dev mode:  set SKIP_TO_FRONTEND/SKIP_TO_INSTALLER
  
  set MIN_CARDANO_BYTES=50000000
  set LIBRESSL_VERSION=2.5.3
  