1 files changed, 18 insertions, 3 deletions

diff --git a/Depends.cmake b/Depends.cmake
index 3faeca75..c6e4495f 100644
--- a/Depends.cmake
+++ b/Depends.cmake
@@ -146,15 +146,30 @@ else ()
     endif ()
 endif ()
 
+if (ENABLE_SPARKLE)
+    # macOS only.
+    add_library (sparkle INTERFACE)
+    set (SPARKLE_FRAMEWORK ${SPARKLE_DIR}/Sparkle.framework)
+    target_link_libraries (sparkle INTERFACE ${SPARKLE_FRAMEWORK})
+    target_compile_definitions (sparkle INTERFACE LAGRANGE_ENABLE_SPARKLE=1)
+    message (STATUS "Using Sparkle: ${SPARKLE_FRAMEWORK}")
+    if (NOT SPARKLE_ARCH)
+        message (FATAL_ERROR "Set SPARKLE_ARCH to a CPU architecture ID (e.g., arm64)")
+    endif ()
+endif ()
+
 if (ENABLE_WINSPARKLE)
-    # We're assuming this is Windows.
+    # Windows only.
     add_library (winsparkle INTERFACE)
     target_include_directories (winsparkle INTERFACE ${WINSPARKLE_DIR}/include)
-    target_link_libraries (winsparkle INTERFACE ${WINSPARKLE_DIR}/x64/Release/WinSparkle.dll)
+    set (WINSPARKLE_DLL ${WINSPARKLE_DIR}/x64/Release/WinSparkle.dll)
+    target_link_libraries (winsparkle INTERFACE ${WINSPARKLE_DLL})
+    target_compile_definitions (winsparkle INTERFACE LAGRANGE_ENABLE_WINSPARKLE=1)
     install (
-        PROGRAMS ${WINSPARKLE_DIR}/x64/Release/WinSparkle.dll
+        PROGRAMS ${WINSPARKLE_DLL}
         DESTINATION .
     )
+    message (STATUS "Using WinSparkle: ${WINSPARKLE_DLL}")
 endif ()
 
 find_package (PkgConfig REQUIRED)