no update script for macOS

install with sudo in CI

.github/workflows/cmake-multi-platform.yml

@@ -56,4 +56,5 @@ jobs:
       run: ctest --build-config Release --output-on-failure
 
     - name: Install
-      run: cmake --install ${{ steps.strings.outputs.build-output-dir }} --config Release
+      if: matrix.os != 'windows-latest'
+      run: sudo cmake --install ${{ steps.strings.outputs.build-output-dir }} --config Release

CMakeLists.txt

@@ -74,7 +74,7 @@ else()
 	option(CIFPP_DOWNLOAD_CCD "Download the CCD file components.cif during installation" ON)
 
 	# An optional cron script can be installed to keep the data files up-to-date
-	if(UNIX)
+	if(UNIX AND NOT APPLE)
 		option(CIFPP_INSTALL_UPDATE_SCRIPT "Install the script to update CCD and dictionary files" ON)
 	endif()
 endif()