Fix framework identifier formatting in xcframework_utils.sh

Ensures that the generated framework identifier does not start with a dash and defaults to 'framework' if empty. This improves compatibility and prevents invalid identifiers when creating xcframeworks from dylibs.

Author: FeodorFitsner

darwin/xcframework_utils.sh

@@ -55,6 +55,10 @@ create_xcframework_from_dylibs() {
     dylib_without_ext=$(echo $dylib_relative_path | cut -d "." -f 1)
     framework=$(echo $dylib_without_ext | tr "/" ".")
     framework_identifier=${framework//_/-}
+    while [[ $framework_identifier == -* ]]; do
+        framework_identifier=${framework_identifier#-}
+    done
+    framework_identifier=${framework_identifier:-framework}
 
     # creating "iphoneos" framework
     fd=iphoneos/$framework.framework
@@ -97,4 +101,4 @@ create_xcframework_from_dylibs() {
     # cleanup
     popd >/dev/null
     rm -rf "${tmp_dir}" >/dev/null
-}
+}