Build - Win SndFile: NAMES fallback + diagnostic dir listing

Author: samaaron

app/external/CMakeLists.txt

@@ -48,7 +48,10 @@ ExternalProject_Add(sp_link
     )
 
 if (WIN32 OR APPLE)
-    find_package(SndFile CONFIG REQUIRED)
+    # vcpkg's libsndfile port has shipped CMake config under both
+    # share/SndFile/SndFileConfig.cmake and share/sndfile/sndfile-config.cmake
+    # at different times; NAMES makes the lookup tolerant of either casing.
+    find_package(SndFile NAMES SndFile sndfile CONFIG REQUIRED)
 
     ExternalProject_Add(aubio-project
         PREFIX aubio-prefix

app/win-pre-vcpkg.bat

@@ -31,4 +31,13 @@ cd vcpkg
 @echo Installing Libraries (%VCPKG_TRIPLET%)
 vcpkg install libsndfile[core,external-libs] --triplet %VCPKG_TRIPLET% --recurse
 
+REM Diagnostic: list what libsndfile actually installed under share/.
+REM If find_package(SndFile) fails downstream, this output makes it
+REM obvious whether the CMake config was installed and where.
+@echo === installed\%VCPKG_TRIPLET%\share (sndfile-related) ===
+if exist "installed\%VCPKG_TRIPLET%\share" (
+    dir /b /s "installed\%VCPKG_TRIPLET%\share" 2>nul | findstr /i sndfile
+)
+@echo === end of share listing ===
+
 cd %WORKING_DIR%