cppdavisking/dlib #2643Not a task: already works

error for build: Undefined symbols for architecture arm64: _png_do_expand_palette_rgb8_neon

envgap__davisking__dlib-2643

Original GitHub issue ↗Dated source checkout ↗Opened 2022-08-19

01 / FAILURE SIGNATURE

As reported upstream

clang: error: linker command failed with exit code 1 (use -v to see invocation)

Not a benchmark task.

The project already builds and runs before the fix, so there is nothing to repair.

02 / ENVIRONMENT RECIPE

Base commit: efe46ce76abfb265fc05c0e9a78741abf1bedfec
Manifest: dlib/CMakeLists.txt
Reproduce: Awaiting issue-specific recipe
Run under trace: Awaiting a meaningful runtime command

03 / ORIGINAL ISSUE TEXT

davisking/dlib #2643 · read the original issue

```



command like this:



% cmake -G "Xcode" ..

% cmake --build . 





and the error has been appeared:





```





 

```



file: error("Failed to open diagnostics file") (in target 'dnn_imagenet_train_ex' from project 'examples')



Ld /Users/xxx/Downloads/dlib-master/examples/build/Release/dnn_metric_learning_on_images_ex normal (in target 'dnn_metric_learning_on_images_ex' from project 'examples')

    cd /Users/xxx/Downloads/dlib-master/examples

    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -target arm64-apple-macos12.3 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.3.sdk -L/Users/xxx/Downloads/dlib-master/examples/build/Release -F/Users/xxx/Downloads/dlib-master/examples/build/Release -filelist /Users/xxx/Downloads/dlib-master/examples/build/examples.build/Release/dnn_metric_learning_on_images_ex.build/Objects-normal/arm64/dnn_metric_learning_on_images_ex.LinkFileList -Wl,-search_paths_first -Wl,-headerpad_max_install_names /Users/xxx/Downloads/dlib-master/examples/build/dlib_build/Release/libdlib.a /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.3.sdk/usr/lib/libcblas.tbd /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.3.sdk/usr/lib/liblapack.tbd /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.3.sdk/usr/lib/libsqlite3.tbd -Xlinker -no_adhoc_codesign -Xlinker -dependency_info -Xlinker /Users/xxx/Downloads/dlib-master/examples/build/examples.build/Release/dnn_metric_learning_on_images_ex.build/Objects-normal/arm64/dnn_metric_learning_on_images_ex_dependency_info.dat -o /Users/xxx/Downloads/dlib-master/examples/build/Release/dnn_metric_learning_on_images_ex

Undefined symbols for architecture arm64:

  "_png_do_expand_palette_rgb8_neon", referenced from:

      _png_do_read_transformations in libdlib.a(pngrtran.o)

  "_png_do_expand_palette_rgba8_neon", referenced from:

      _png_do_read_transformations in libdlib.a(pngrtran.o)

  "_png_riffle_palette_neon", referenced from:

      _png_do_read_transformations in libdlib.a(pngrtran.o)

ld: symbol(s) not found for architecture arm64

clang: error: linker command failed with exit code 1 (use -v to see invocation)





** BUILD FAILED **





The following build commands failed:

	Ld /dlib-master/examples/build/Release/dnn_metric_learning_on_images_ex normal (in target 'dnn_metric_learning_on_images_ex' from project 'examples')

```







* **Version**: <!-- What version of dlib? -->

> the lastest master code



* **Where did you get dlib**: <!-- Did you get it from an official source like dlib.net, this github repo, or somewhere else? -->

> from GitHub get glib source code



* **Platform**: <!-- include something like `lsb_release -a` output, or if Windows, version and 32-bit or

  64-bit -->

> Darwin Kernel Version 21.5.0: Tue Apr 26 20:57:23 PDT 2022; root:xnu-8020.121.3~2/RELEASE_ARM64_T8110 arm64





* **Compiler**: <!-- What compiler are you using?  What version of that compiler? -->

> Apple clang version 13.1.6 (clang-1316.0.21.2.5

> cmake version 3.24.1

Continue on GitHub ↗

04 / LABELS

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