jesus. i hacked the fuck out of the build environement and got x64 and arm64 bins built on an arm64 virtual machine. There is no way that it is a good a proper build script, but it works...

.gitignore

@@ -6,6 +6,7 @@ build_windows/
 icons
 *.png
 vamp-plugin/
+libraries/loop-tempo-estimator/
 tests/
 ADC-2024/
 *.json

windows/build_x64.bat

@@ -9,10 +9,10 @@ set "PROJECT_ROOT=%SCRIPT_DIR%.."
 set "BUILD_DIR=%PROJECT_ROOT%\build_windows\x64"
 set "QT_X64_BIN=C:\Qt\6.8.3\msvc2022_64\bin"
 set "QT_X64_PLUGINS=C:\Qt\6.8.3\msvc2022_64\plugins"
-set "VCPKG_BIN=%PROJECT_ROOT%\vcpkg_installed\x64-windows\bin"
+set "TRIPLETS_DIR=%PROJECT_ROOT%\custom_triplets"
 
 :: ==============================================================================
-:: ENVIRONMENT SETUP (VS Discovery)
+:: ENVIRONMENT SETUP
 :: ==============================================================================
 if defined VSINSTALLDIR (
     set "VS_INSTALL_DIR=!VSINSTALLDIR!"
@@ -32,74 +32,62 @@ set "VCPKG_EXE=!VS_INSTALL_DIR!\VC\vcpkg\vcpkg.exe"
 set "VCPKG_CMAKE=!VS_INSTALL_DIR!\VC\vcpkg\scripts\buildsystems\vcpkg.cmake"
 
 :: ==============================================================================
-:: 0. DYNAMIC BASELINE DISCOVERY
+:: 1. CLEANUP & PREP
 :: ==============================================================================
-echo [INFO] Probing for latest vcpkg baseline...
+echo [INFO] Cleaning up previous configurations...
+if exist "%TRIPLETS_DIR%" rmdir /s /q "%TRIPLETS_DIR%"
+del "%PROJECT_ROOT%\vcpkg.json" 2>nul
 
-:: 1. Create temporary manifest with empty baseline to provoke the "suggestion" error
+:: GENERATE VCPKG.JSON
 (
     echo {
     echo     "name": "yrcrystals",
     echo     "version-string": "1.0.0",
-    echo     "dependencies": [ "fftw3" ],
+    echo     "builtin-baseline": "b1b19307e2d2ec1eefbdb7ea069de7d4bcd31f01",
-    echo     "builtin-baseline": ""
+    echo     "dependencies": [ "fftw3" ]
     echo }
 ) > "%PROJECT_ROOT%\vcpkg.json"
 
-:: 2. Run dry-run and capture output (stderr included)
+:: GENERATE OVERLAY TRIPLET
-"!VCPKG_EXE!" install --triplet x64-windows --dry-run > "%PROJECT_ROOT%\vcpkg_probe.log" 2>&1
+if not exist "%TRIPLETS_DIR%" mkdir "%TRIPLETS_DIR%"
-
-:: 3. Extract the hash using PowerShell regex
-::    Matches pattern: "builtin-baseline": "HEX_HASH"
-set "DETECTED_HASH="
-for /f "usebackq tokens=*" %%H in (`powershell -NoProfile -Command "$content = Get-Content '%PROJECT_ROOT%\vcpkg_probe.log' -Raw; if ($content -match 'builtin-baseline.: .([a-f0-9]+).') { $matches[1] }"`) do (
-    set "DETECTED_HASH=%%H"
-)
-
-if "!DETECTED_HASH!"=="" (
-    echo [WARNING] Could not auto-detect baseline. Defaulting to standard hash.
-    set "DETECTED_HASH=b1b19307e2d2ec1eefbdb7ea069de7d4bcd31f01"
-) else (
-    echo [INFO] Detected Baseline: !DETECTED_HASH!
-)
-
-:: Clean up log
-del "%PROJECT_ROOT%\vcpkg_probe.log" 2>nul
-
-:: 4. Generate Final Manifest with discovered hash
-echo [INFO] Writing vcpkg.json...
 (
-    echo {
+    echo set(VCPKG_TARGET_ARCHITECTURE x64^)
-    echo     "name": "yrcrystals",
+    echo set(VCPKG_CRT_LINKAGE dynamic^)
-    echo     "version-string": "1.0.0",
+    echo set(VCPKG_LIBRARY_LINKAGE dynamic^)
-    echo     "builtin-baseline": "!DETECTED_HASH!",
+    echo set(VCPKG_CMAKE_SYSTEM_NAME Windows^)
-    echo     "dependencies": [
+    echo set(VCPKG_PLATFORM_TOOLSET v143^)
-    echo         "fftw3"
+    echo set(VCPKG_ENV_PASSTHROUGH_UNTRACKED LIB LIBPATH INCLUDE PATH^)
-    echo     ]
+) > "%TRIPLETS_DIR%\x64-windows.cmake"
-    echo }
-) > "%PROJECT_ROOT%\vcpkg.json"
 
 :: ==============================================================================
-:: 1. INSTALL DEPENDENCIES (Targeting x64-windows)
+:: 2. NINJA HUNT (Explicit Download Check)
 :: ==============================================================================
-echo [INFO] Verifying dependencies for x64...
+echo [INFO] Hunting for ARM64 Ninja...
-cd "%PROJECT_ROOT%"
-"!VCPKG_EXE!" install --triplet x64-windows
 
-if %errorlevel% neq 0 (
+:: 1. Ask VCPKG to fetch it (ensures it is on disk)
-    echo [ERROR] VCPKG install failed.
+"!VCPKG_EXE!" fetch ninja >nul
-    pause
+
-    exit /b %errorlevel%
+:: 2. Manually look for the downloaded version to avoid picking up the VS one
+set "GOOD_NINJA_DIR="
+for /d %%d in ("%LOCALAPPDATA%\vcpkg\downloads\tools\ninja\*") do (
+    if exist "%%d\ninja.exe" set "GOOD_NINJA_DIR=%%d"
 )
 
+:: 3. Fallback: Ask VCPKG where it is (if manual search failed)
+if "!GOOD_NINJA_DIR!"=="" (
+    for /f "delims=" %%i in ('"!VCPKG_EXE!" fetch ninja') do set "GOOD_NINJA_EXE=%%i"
+    for %%F in ("!GOOD_NINJA_EXE!") do set "GOOD_NINJA_DIR=%%~dpF"
+)
+
+echo [INFO] Found Ninja at: !GOOD_NINJA_DIR!
+
 :: ==============================================================================
-:: 2. AUTO-DETECT MAGICK
+:: 3. IMAGE MAGICK CHECK
 :: ==============================================================================
 set "MAGICK_PATH="
 where magick >nul 2>nul
 if %errorlevel% equ 0 (
     for /f "delims=" %%i in ('where magick') do set "MAGICK_PATH=%%i"
-    echo [INFO] Found Magick in PATH.
 )
 if not defined MAGICK_PATH (
     for /d %%d in ("C:\Program Files\ImageMagick*") do (
@@ -107,44 +95,76 @@ if not defined MAGICK_PATH (
     )
 )
 if defined MAGICK_PATH (
-    echo [INFO] Using ImageMagick: !MAGICK_PATH!
     set "CMAKE_MAGICK_ARG=-DMAGICK_EXECUTABLE="!MAGICK_PATH!""
 ) else (
-    echo [WARNING] ImageMagick not found. Icons will be skipped.
     set "CMAKE_MAGICK_ARG="
 )
 
 :: ==============================================================================
-:: 3. CONFIGURE & BUILD
+:: 4. CONFIGURATION (The Flattened Double Tap)
 :: ==============================================================================
-echo [INFO] Setting up Environment for x64 Build...
+echo [INFO] Setting up Environment...
-:: CRITICAL: arm64_x64 means "Use ARM64 host to build x64 binaries"
 call "!VCVARSALL!" arm64_x64
+set "PATH=!GOOD_NINJA_DIR!;!PATH!"
 
 if not exist "%BUILD_DIR%" mkdir "%BUILD_DIR%"
 cd "%BUILD_DIR%"
 
-set "NEED_CONFIG=0"
+if exist "build.ninja" if exist "CMakeCache.txt" goto BUILD_STEP
-if not exist "build.ninja" set "NEED_CONFIG=1"
-if not exist "CMakeCache.txt" set "NEED_CONFIG=1"
 
-if "!NEED_CONFIG!"=="1" (
+:CONFIG_ROUND_1
-    echo [INFO] Build configuration missing. Running CMake Configure...
+echo [INFO] Attempting CMake Configure (Round 1)...
-    cmake -G "Ninja" ^
+cmake -G "Ninja" ^
-        -DCMAKE_BUILD_TYPE=Release ^
+    -DCMAKE_BUILD_TYPE=Release ^
-        -DCMAKE_PREFIX_PATH="%QT_X64_BIN%\..;%PROJECT_ROOT%\vcpkg_installed\x64-windows" ^
+    -DCMAKE_PREFIX_PATH="%QT_X64_BIN%\..;%PROJECT_ROOT%\vcpkg_installed\x64-windows" ^
-        -DCMAKE_TOOLCHAIN_FILE="!VCPKG_CMAKE!" ^
+    -DCMAKE_TOOLCHAIN_FILE="!VCPKG_CMAKE!" ^
-        -DVCPKG_TARGET_TRIPLET=x64-windows ^
+    -DVCPKG_TARGET_TRIPLET=x64-windows ^
-        !CMAKE_MAGICK_ARG! ^
+    -DVCPKG_HOST_TRIPLET=arm64-windows ^
-        "%PROJECT_ROOT%"
+    -DVCPKG_OVERLAY_TRIPLETS="%TRIPLETS_DIR%" ^
-    
+    !CMAKE_MAGICK_ARG! ^
-    if !errorlevel! neq 0 (
+    "%PROJECT_ROOT%"
-        echo [ERROR] Configuration Failed.
+
-        pause
+if %errorlevel% equ 0 goto BUILD_STEP
-        exit /b !errorlevel!
+
-    )
+:CONFIG_PATCH
+echo.
+echo [WARN] Configuration Failed. Applying "Double Tap" Patch...
+
+set "SHADOW_VCPKG=%BUILD_DIR%\vcpkg_installed\x64-windows"
+set "SHADOW_BIN=!SHADOW_VCPKG!\bin\fftw3.dll"
+set "SHADOW_TOOLS_DIR=!SHADOW_VCPKG!\tools\fftw3"
+set "SHADOW_TOOLS_DLL=!SHADOW_TOOLS_DIR!\fftw3.dll"
+
+if not exist "!SHADOW_BIN!" (
+    echo [ERROR] Could not find Shadow Build artifacts to patch.
+    pause
+    exit /b 1
 )
 
+if not exist "!SHADOW_TOOLS_DIR!" mkdir "!SHADOW_TOOLS_DIR!"
+copy /Y "!SHADOW_BIN!" "!SHADOW_TOOLS_DLL!" >nul
+echo [INFO] Patch Applied.
+
+:CONFIG_ROUND_2
+echo.
+echo [INFO] Retrying Configuration (Round 2)...
+cmake -G "Ninja" ^
+    -DCMAKE_BUILD_TYPE=Release ^
+    -DCMAKE_PREFIX_PATH="%QT_X64_BIN%\..;%PROJECT_ROOT%\vcpkg_installed\x64-windows" ^
+    -DCMAKE_TOOLCHAIN_FILE="!VCPKG_CMAKE!" ^
+    -DVCPKG_TARGET_TRIPLET=x64-windows ^
+    -DVCPKG_HOST_TRIPLET=arm64-windows ^
+    -DVCPKG_OVERLAY_TRIPLETS="%TRIPLETS_DIR%" ^
+    !CMAKE_MAGICK_ARG! ^
+    "%PROJECT_ROOT%"
+
+if %errorlevel% neq 0 (
+    echo [ERROR] Configuration Failed even after patch.
+    pause
+    exit /b %errorlevel%
+)
+
+:BUILD_STEP
 echo [INFO] Building...
 cmake --build .
 
@@ -155,10 +175,10 @@ if %errorlevel% neq 0 (
 )
 
 :: ==============================================================================
-:: 4. THE NUKE (Clean Slate)
+:: 5. THE NUKE & COPY
 :: ==============================================================================
 echo.
-echo [CLEAN] Removing old DLLs and Plugins...
+echo [CLEAN] Removing old DLLs...
 del /f /q *.dll 2>nul
 if exist "platforms" rmdir /s /q "platforms"
 if exist "styles" rmdir /s /q "styles"
@@ -168,9 +188,6 @@ if exist "imageformats" rmdir /s /q "imageformats"
 if exist "iconengines" rmdir /s /q "iconengines"
 if exist "tls" rmdir /s /q "tls"
 
-:: ==============================================================================
-:: 5. COPY DEPENDENCIES (x64 Source)
-:: ==============================================================================
 echo.
 echo [COPY] Copying DLLs...
 
@@ -214,11 +231,12 @@ copy /Y "%QT_X64_PLUGINS%\iconengines\*.dll" "iconengines\" >nul
 if not exist "tls" mkdir "tls"
 copy /Y "%QT_X64_PLUGINS%\tls\*.dll" "tls\" >nul
 
-:: FFTW3 (x64)
+:: FFTW3 (x64) - Grab from shadow build if present
-if exist "%VCPKG_BIN%\fftw3.dll" (
+if exist "%BUILD_DIR%\vcpkg_installed\x64-windows\bin\fftw3.dll" (
-    copy /Y "%VCPKG_BIN%\fftw3.dll" . >nul
+    copy /Y "%BUILD_DIR%\vcpkg_installed\x64-windows\bin\fftw3.dll" . >nul
 )
 
 echo.
 echo [SUCCESS] x64 Build Complete.
+echo [NOTE] This executable requires an x64 machine or Emulator settings to run.
 pause