Xcode 12.3 failed on some 3rd framework and librarys?

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Same, what's the problem here ? Anyone ?
Same problem, the Framework worked well before xCode 12.3 .
Same problem here. Any work around?
We can't also build it with the device, not only the simulator.
Same, but not finding any solutions.

Here's the link to download Xcode 12.2 again for those who want to go back to previous version:
https://download.developer.apple.com/Developer_Tools/Xcode_12.2/Xcode_12.2.xip
I also have the same problem.
Same problem! And XCode 12.3 constantly freezing

I had same issue. I solved them by rebuild the frameworks as the XCFramework.
You can make it compile doing this steps:

1) Set your framework in XCode to "Do not embed" (General>Frameworks, Libraries and Embedded Content)
2) Add a "new run script phase" in "Build Phases" with:
Code Block
FRAMEWORK_APP_PATH="${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
# 1. Copying FRAMEWORK to FRAMEWORK_APP_PATH
find "$SRCROOT" -name '*.framework' -type d | while read -r FRAMEWORK
do
if [[ $FRAMEWORK == *"FAT_FRAMEWORK.framework" ]]
then
echo "Copying $FRAMEWORK into $FRAMEWORK_APP_PATH"
cp -r $FRAMEWORK "$FRAMEWORK_APP_PATH"
fi
done
# 2. Loops through the frameworks embedded in the application and removes unused architectures.
find "$FRAMEWORK_APP_PATH" -name '*.framework' -type d | while read -r FRAMEWORK
do
if [[ $FRAMEWORK == *"FAT_FRAMEWORK.framework" ]]
then
echo "Strip framework: $FRAMEWORK"
FRAMEWORK_EXECUTABLE_NAME=$(/usr/libexec/PlistBuddy -c "Print CFBundleExecutable" "$FRAMEWORK/Info.plist")
FRAMEWORK_EXECUTABLE_PATH="$FRAMEWORK/$FRAMEWORK_EXECUTABLE_NAME"
echo "Executable is $FRAMEWORK_EXECUTABLE_PATH"
EXTRACTED_ARCHS=()
for ARCH in $ARCHS
do
echo "Extracting $ARCH from $FRAMEWORK_EXECUTABLE_NAME"
lipo -extract "$ARCH" "$FRAMEWORK_EXECUTABLE_PATH" -o "$FRAMEWORK_EXECUTABLE_PATH-$ARCH"
EXTRACTED_ARCHS+=("$FRAMEWORK_EXECUTABLE_PATH-$ARCH")
done
echo "Merging extracted architectures: ${ARCHS}"
lipo -o "$FRAMEWORK_EXECUTABLE_PATH-merged" -create "${EXTRACTED_ARCHS[@]}"
rm "${EXTRACTED_ARCHS[@]}"
echo "Replacing original executable with thinned version"
rm "$FRAMEWORK_EXECUTABLE_PATH"
mv "$FRAMEWORK_EXECUTABLE_PATH-merged" "$FRAMEWORK_EXECUTABLE_PATH"
codesign --force --sign ${EXPANDED_CODE_SIGN_IDENTITY} ${OTHER_CODE_SIGN_FLAGS:-} --preserve-metadata=identifier,entitlements $FRAMEWORK_EXECUTABLE_PATH
else
echo "Ignored strip on: $FRAMEWORK"
fi
done

PS: Be sure to replace FAT_FRAMEWORK by YOUR_FRAMEWORK_NAME (ex: ITLogin) and place it at the root of your project.
I have the same problem - note, that to download the old Xcode 12.2, you can't click the link that was shared, you have to go to like https://developer.apple.com/download/more/?=xcode and download it there.

One 'solution' is to switch to using the static version of the library, if that's available. The problem in my case is that this cripples the development speed - using the equivalent static lib adds 20 seconds to the link time, taking a 4 second incremental build up to like 24 seconds.
Does anyone have a radar open for this issue?
There seems to be an architecture check issue and some updates that weren't included in the release notes: https://developer.apple.com/documentation/xcode-release-notes/xcode-12_3-release-notes/. No idea if this is intentional, a bug, or how to resolve them.
So it looks like the standard Carthage workflow, which builds fat frameworks, is incompatible with Xcode 12.3, correct?
Same here. Is there anyone at Apple that can shed some light and provide some kind of direction on this?

I mean is this an Xcode issue or something that devs need to address or is this for the 3rd party whose library and frameworks are causing this issue to fix?