Undefined symbols for architecture armv7

user_543657 0
Viewed 384901

This problem has been driving me crazy, and I can't work out how to fix it...

    Undefined symbols for architecture armv7:
  "_deflateEnd", referenced from:
      -[ASIDataCompressor closeStream] in ASIDataCompressor.o
  "_OBJC_CLASS_$_ASIDataDecompressor", referenced from:
      objc-class-ref in ASIHTTPRequest.o
  "_deflate", referenced from:
      -[ASIDataCompressor compressBytes:length:error:shouldFinish:] in ASIDataCompressor.o
  "_deflateInit2_", referenced from:
      -[ASIDataCompressor setupStream] in ASIDataCompressor.o
ld: symbol(s) not found for architecture armv7
collect2: ld returned 1 exit status
Command /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 failed with exit code 1

I think it has to do with:

ld: symbol(s) not found for architecture armv7

But I have added: libz.1.2.3.dylib and it's not helping, anyone got any ideas?

armv7 ios
40 Answers

I had a similar issue last night and the problem, was related to the fact that I had dragged a class from the Finder to my project in Xcode.

The solution was to go the the Build Phases tab and then the Compile Sources and make sure you drag the class to the list.

user_13357670

I had the same problem when I use admob library, I fixed it changing "Architectures" to "Standard architectures armv7, armv7s" without including 64-bit. Build Settings

user_10749210

I had a similar issue and saw errors related to "std::"

I changed Build Settings -> Apple LVM 5.0 - Language C++ -> C++ Standard Library

from libc++ (LLVM C++ Standard Library with C++11 support) to libstdc++ (GNU C++ Standard Library)

user_16841830

This fixed my problem: The dependency I am using is not supporting armv7. So I had no other option than to remove it. Armv7 is used for only very old iphones anyway (like iphone 4).

  • Go 'Build Settings / All'
  • Set 'Valid Architectures' to 'arm64 arm64e'
user_16023010

I got this problem when I run app on iphone5s, it was solved by add arm64 to Architectures.

user_6276440

For what it is worth, mine was fixed after I went to target->Build Phases->Link Binary With Libraries, deleted the libstdc++.tbd reference, then added a reference to libstdc++.6.0.9.tbd.

user_7768390

I had this warning, when wrote two classes in .h file of another class, but FORGOT to write the implementation for this classes in .m file.

user_57904920

Go TARGETS -> General -> Deployment Info -> set Target 8.1 or 10.0

Framework or Library have no ARMV7 Architecture.

user_110873600

If you faced this issue with your Flutter project while building in Release mode - that's what helped me:

  1. Set your build system to New Build System in File > Project Settings…
  2. delete folders ios and build_ios from your project folder.
  3. create ios module by executing flutter create . from your project folder.

  4. open Xcode and:

    • set the IOS Deployment Target to at least 9.0 in PROJECT > Runner
    • check your Signing & Capabilities
    • make sure your Build Configuration is set to Release in Edit Scheme... and build for Generic iOS Device

  5. execute pod install from your project folder

  6. execute flutter pub get from your project folder

now open your Xcode and build or archive it: Product > Build (or Archive)

user_55021210
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