WIP: auto update

deps/CMakeLists.txt

@@ -386,6 +386,16 @@ endif ()
 include(OCCT/OCCT.cmake)
 include(OpenCV/OpenCV.cmake)
 
+# WinSparkle for Windows auto-updates
+if(WIN32)
+    include(WinSparkle/WinSparkle.cmake)
+endif()
+
+# Sparkle 2 for macOS auto-updates
+if(APPLE)
+    include(Sparkle/Sparkle.cmake)
+endif()
+
 set(_dep_list
     dep_Boost
     dep_TBB
@@ -410,12 +420,19 @@ set(_dep_list
 if (MSVC)
     # Experimental
     #list(APPEND _dep_list "dep_qhull")
+    # WinSparkle for auto-updates
+    list(APPEND _dep_list "dep_WinSparkle")
 else()
     list(APPEND _dep_list "dep_Qhull")
     # Not working, static build has different Eigen
     #list(APPEND _dep_list "dep_libigl")
 endif()
 
+if (APPLE)
+    # Sparkle 2 for auto-updates
+    list(APPEND _dep_list "dep_Sparkle")
+endif()
+
 add_custom_target(deps ALL DEPENDS ${_dep_list})
 
 # Note: I'm not using any of the LOG_xxx options in ExternalProject_Add() commands

deps/Sparkle/Sparkle.cmake

@@ -0,0 +1,27 @@
+# Sparkle 2 - Auto-update framework for macOS
+# https://sparkle-project.org/
+# https://github.com/sparkle-project/Sparkle
+#
+# Sparkle is distributed as a pre-built framework, so we just download and extract.
+
+if(APPLE)
+    set(SPARKLE_VERSION "2.8.1")
+
+    ExternalProject_Add(
+        dep_Sparkle
+        EXCLUDE_FROM_ALL ON
+        URL "https://github.com/sparkle-project/Sparkle/releases/download/${SPARKLE_VERSION}/Sparkle-${SPARKLE_VERSION}.tar.xz"
+        URL_HASH SHA256=5cddb7695674ef7704268f38eccaee80e3accbf19e61c1689efff5b6116d85be
+        DOWNLOAD_DIR ${DEP_DOWNLOAD_DIR}/Sparkle
+        # No build step needed - just install pre-built framework and tools
+        CONFIGURE_COMMAND ""
+        BUILD_COMMAND ""
+        INSTALL_COMMAND ${CMAKE_COMMAND} -E make_directory ${DESTDIR}/Frameworks
+        COMMAND ${CMAKE_COMMAND} -E copy_directory
+            <SOURCE_DIR>/Sparkle.framework ${DESTDIR}/Frameworks/Sparkle.framework
+        # Also install the Sparkle CLI tools (sign_update, generate_appcast) for CI/CD signing
+        COMMAND ${CMAKE_COMMAND} -E make_directory ${DESTDIR}/bin
+        COMMAND ${CMAKE_COMMAND} -E copy <SOURCE_DIR>/bin/sign_update ${DESTDIR}/bin/sign_update
+        COMMAND ${CMAKE_COMMAND} -E copy <SOURCE_DIR>/bin/generate_appcast ${DESTDIR}/bin/generate_appcast
+    )
+endif()

deps/WinSparkle/WinSparkle.cmake

@@ -0,0 +1,33 @@
+# WinSparkle - Auto-update framework for Windows
+# https://winsparkle.org/
+# https://github.com/vslavik/winsparkle
+#
+# WinSparkle is distributed as pre-built binaries, so we just download and extract.
+
+if(WIN32)
+    set(WINSPARKLE_VERSION "0.8.3")
+
+    # Determine architecture
+    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+        set(WINSPARKLE_ARCH "x64")
+    else()
+        set(WINSPARKLE_ARCH "x86")
+    endif()
+
+    ExternalProject_Add(
+        dep_WinSparkle
+        EXCLUDE_FROM_ALL ON
+        URL "https://github.com/vslavik/winsparkle/releases/download/v${WINSPARKLE_VERSION}/WinSparkle-${WINSPARKLE_VERSION}.zip"
+        URL_HASH SHA256=5ff4a4604c78d57e01d83e22f79f5ffea0c4969defd48b45c69ccbd6b1a71e94
+        DOWNLOAD_DIR ${DEP_DOWNLOAD_DIR}/WinSparkle
+        # No build step needed - just install pre-built binaries
+        CONFIGURE_COMMAND ""
+        BUILD_COMMAND ""
+        INSTALL_COMMAND ${CMAKE_COMMAND} -E copy_directory
+            <SOURCE_DIR>/include ${DESTDIR}/include
+        COMMAND ${CMAKE_COMMAND} -E copy
+            <SOURCE_DIR>/${WINSPARKLE_ARCH}/Release/WinSparkle.dll ${DESTDIR}/bin/WinSparkle.dll
+        COMMAND ${CMAKE_COMMAND} -E copy
+            <SOURCE_DIR>/${WINSPARKLE_ARCH}/Release/WinSparkle.lib ${DESTDIR}/lib/WinSparkle.lib
+    )
+endif()