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Undefined libjpeg symbols for architecture arm64 (macOS) #859

Closed
JetForMe opened this issue Apr 12, 2023 · 9 comments
Closed

Undefined libjpeg symbols for architecture arm64 (macOS) #859

JetForMe opened this issue Apr 12, 2023 · 9 comments

Comments

@JetForMe
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Getting link errors when building on an M1 Mac under Ventura 13.3.1

CMakeCache.txt shows

//Path to a library.
JPEG_LIBRARY_RELEASE:FILEPATH=/opt/homebrew/lib/libjpeg.dylib

And checking the exports using nm -gU /opt/homebrew/lib/libjpeg.dylib | grep std_error

…
0000000000023da8 T _jpeg_std_error
…

$ cmake -B build
-- The C compiler identification is AppleClang 14.0.3.14030022
-- The CXX compiler identification is AppleClang 14.0.3.14030022
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Setting build type to 'Release' as none was specified.
-- libpng Found and Enabled
-- libjpeg Found and Enabled
-- libtiff Found and Enabled
-- liblz4 Found and Enabled
-- libzstd Found and Enabled
-- Found Eigen: '/opt/homebrew/include/eigen3'
-- pybind11 v2.10.2 
-- Performing Test HAS_FLTO
-- Performing Test HAS_FLTO - Success
-- Performing Test HAS_FLTO_THIN
-- Performing Test HAS_FLTO_THIN - Success
-- Selected Python: '/opt/homebrew/Frameworks/Python.framework/Versions/3.11/bin/python3.11'. cmake --build . -t pypangolin_pip_install to use pypangolin module.
-- Performing Test HAVE_FFMPEG_MAX_ANALYZE_DURATION
-- Performing Test HAVE_FFMPEG_MAX_ANALYZE_DURATION - Success
-- Performing Test HAVE_FFMPEG_AVFORMAT_ALLOC_OUTPUT_CONTEXT2
-- Performing Test HAVE_FFMPEG_AVFORMAT_ALLOC_OUTPUT_CONTEXT2 - Success
-- Performing Test HAVE_FFMPEG_AVPIXELFORMAT
-- Performing Test HAVE_FFMPEG_AVPIXELFORMAT - Success
-- ffmpeg Found and Enabled: /opt/homebrew/include;/opt/homebrew/include;/opt/homebrew/include;/opt/homebrew/include;/opt/homebrew/include
-- Found PkgConfig: /opt/homebrew/bin/pkg-config (found version "0.29.2") 
-- Found Threads: TRUE  
-- Configuring done (8.0s)
-- Generating done (0.1s)
-- Build files have been written to: /Users/rmann/Projects/Personal/ORB-SLAM2/Pangolin/build

$ cmake --build build
[  1%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/file_extension.cpp.o
[  1%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/file_utils.cpp.o
[  2%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/sigstate.cpp.o
[  2%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/threadedfilebuf.cpp.o
[  3%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/avx_math.cpp.o
[  3%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/uri.cpp.o
[  4%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/param_set.cpp.o
[  4%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/factory/factory_registry.cpp.o
[  5%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/factory/factory_help.cpp.o
[  5%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/posix/condition_variable.cpp.o
[  6%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/posix/semaphore.cpp.o
[  6%] Building CXX object CMakeFiles/pango_core.dir/components/pango_core/src/posix/shared_memory_buffer.cpp.o
[  7%] Linking CXX shared library libpango_core.dylib
[  7%] Built target pango_core
[  7%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/pixel_format.cpp.o
[  8%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io.cpp.o
[  8%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_exr.cpp.o
[  9%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_jpg.cpp.o
[  9%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_lz4.cpp.o
[ 10%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_packed12bit.cpp.o
[ 10%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_pango.cpp.o
[ 11%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_png.cpp.o
[ 11%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_ppm.cpp.o
[ 12%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_raw.cpp.o
[ 12%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_tga.cpp.o
[ 12%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_bmp.cpp.o
[ 13%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_zstd.cpp.o
/Users/rmann/Projects/Personal/ORB-SLAM2/Pangolin/components/pango_image/src/image_io_zstd.cpp:29:32: warning: unknown warning group '-Wstringop-truncation', ignored [-Wunknown-warning-option]
#pragma GCC diagnostic ignored "-Wstringop-truncation"
                               ^
1 warning generated.
[ 13%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_libraw.cpp.o
[ 14%] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_tiff.cpp.o
[ 14%] Linking CXX shared library libpango_image.dylib
Undefined symbols for architecture arm64:
  "jpeg_std_error(jpeg_error_mgr*)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
     (found _jpeg_std_error in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_read_header(jpeg_decompress_struct*, int)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
     (found _jpeg_read_header in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_set_quality(jpeg_compress_struct*, int, int)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
     (found _jpeg_set_quality in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_set_defaults(jpeg_compress_struct*)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
     (found _jpeg_set_defaults in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_CreateCompress(jpeg_compress_struct*, int, unsigned long)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
     (found _jpeg_CreateCompress in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_read_scanlines(jpeg_decompress_struct*, unsigned char**, unsigned int)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
     (found _jpeg_read_scanlines in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_start_compress(jpeg_compress_struct*, int)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
     (found _jpeg_start_compress in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_finish_compress(jpeg_compress_struct*)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
     (found _jpeg_finish_compress in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_write_scanlines(jpeg_compress_struct*, unsigned char**, unsigned int)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
     (found _jpeg_write_scanlines in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_CreateDecompress(jpeg_decompress_struct*, int, unsigned long)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
     (found _jpeg_CreateDecompress in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_destroy_compress(jpeg_compress_struct*)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
     (found _jpeg_destroy_compress in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_start_decompress(jpeg_decompress_struct*)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
     (found _jpeg_start_decompress in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_finish_decompress(jpeg_decompress_struct*)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
     (found _jpeg_finish_decompress in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_resync_to_restart(jpeg_decompress_struct*, int)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
     (found _jpeg_resync_to_restart in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
  "jpeg_destroy_decompress(jpeg_decompress_struct*)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
     (found _jpeg_destroy_decompress in /opt/homebrew/lib/libjpeg.dylib, declaration possibly missing extern "C")
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [libpango_image.dylib] Error 1
make[1]: *** [CMakeFiles/pango_image.dir/all] Error 2
make: *** [all] Error 2
@christian-rauch
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Collaborator

I added the macOS 13 (x86_64) runner in this PR: #903. This passes. Unfortunately, the arm64 runners for macOS are not for free. Can you reproduce this when compiling for the x86_64 architecture as on the CI?

@JetForMe
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Author

Oh gosh I don't have an x86 machine readily available to try.

@christian-rauch
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Collaborator

Can you run a compiler or VM through Apple's Intel->ARM translation? Or compile via cross-compilation?

@JetForMe
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Author

I don't think so, certainly not without a lot more effort than I have time to dedicate right now. How much money would the arm64 runners cost? Perhaps I can sponsor that work with cash?

@christian-rauch
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Collaborator

How much money would the arm64 runners cost? Perhaps I can sponsor that work with cash?

In the "M1 macOS larger runner" announcement (https://github.blog/2023-10-02-introducing-the-new-apple-silicon-powered-m1-macos-larger-runner-for-github-actions/) they say this will be $0.12 to $0.16 per minute. The two pipelines that currently run take approx. 6 minutes each. That would be at least $1.44 per pipeline run. That's quite a lot just for testing on a different CPU architecture. Also, I don't know who would need to manage the subscription.

I assume that those arm64 runners will be available in the free subscription over time.

Maybe a better solution would be cross-compiling to arm64 on the current macOS runners. I will leave this open for someone else to implement and test locally on Apple silicon hardware.

@christian-rauch
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The CI pipeline now tests on macos-14-arm64 (#935) and shows no issues.

@JetForMe
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Author

So sorry, I completely missed your reply about the cost of the runners!

@DeoLeung
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DeoLeung commented Aug 6, 2024 •
edited
Loading

I just build v0.9.2 and v0.9.1 on m1(14.5) and experienced the same issue, any idea on how to fix it?

cmake -B build -GNinja
-- libpng Found and Enabled
-- libjpeg Found and Enabled
-- libtiff Found and Enabled
-- liblz4 Found and Enabled
-- libzstd Found and Enabled
-- Found Eigen: '/opt/homebrew/include/eigen3'
-- ffmpeg Found and Enabled: /opt/homebrew/include;/opt/homebrew/include;/opt/homebrew/include;/opt/homebrew/include;/opt/homebrew/include
-- Configuring done (1.4s)
-- Generating done (0.1s)
-- Build files have been written to: /Users/liangdeo/pyproj/Pangolin/build

cmake --build build
[24/158] Building CXX object CMakeFiles/pango_image.dir/components/pango_image/src/image_io_zstd.cpp.o
/Users/liangdeo/pyproj/Pangolin/components/pango_image/src/image_io_zstd.cpp:29:32: warning: unknown warning group '-Wstringop-truncation', ignored [-Wunknown-warning-option]
#pragma GCC diagnostic ignored "-Wstringop-truncation"
                               ^
1 warning generated.
[30/158] Linking CXX shared library libpango_image.dylib
FAILED: libpango_image.dylib
: && /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -O3 -DNDEBUG -arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.5.sdk -dynamiclib -Wl,-headerpad_max_install_names  -o libpango_image.dylib -install_name @rpath/libpango_image.dylib CMakeFiles/pango_image.dir/components/pango_image/src/pixel_format.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_exr.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_jpg.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_lz4.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_packed12bit.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_pango.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_png.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_ppm.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_raw.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_tga.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_bmp.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_zstd.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_libraw.cpp.o CMakeFiles/pango_image.dir/components/pango_image/src/image_io_tiff.cpp.o  -Wl,-rpath,/Users/liangdeo/pyproj/Pangolin/build  /opt/homebrew/lib/libpng.dylib  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.5.sdk/usr/lib/libz.tbd  /opt/homebrew/lib/libjpeg.dylib  /opt/homebrew/lib/libtiff.dylib  /opt/homebrew/lib/liblz4.dylib  /opt/homebrew/lib/libzstd.dylib  libpango_core.dylib && :
Undefined symbols for architecture arm64:
  "jpeg_std_error(jpeg_error_mgr*)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_std_error' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_read_header(jpeg_decompress_struct*, int)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_read_header' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_set_quality(jpeg_compress_struct*, int, int)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_set_quality' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_set_defaults(jpeg_compress_struct*)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_set_defaults' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_CreateCompress(jpeg_compress_struct*, int, unsigned long)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_CreateCompress' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_read_scanlines(jpeg_decompress_struct*, unsigned char**, unsigned int)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_read_scanlines' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_start_compress(jpeg_compress_struct*, int)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_start_compress' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_finish_compress(jpeg_compress_struct*)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_finish_compress' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_write_scanlines(jpeg_compress_struct*, unsigned char**, unsigned int)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_write_scanlines' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_CreateDecompress(jpeg_decompress_struct*, int, unsigned long)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_CreateDecompress' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_destroy_compress(jpeg_compress_struct*)", referenced from:
      pangolin::SaveJpg(pangolin::Image<unsigned char> const&, pangolin::PixelFormat const&, std::__1::basic_ostream<char, std::__1::char_traits<char>>&, float) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_destroy_compress' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_start_decompress(jpeg_decompress_struct*)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_start_decompress' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_finish_decompress(jpeg_decompress_struct*)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_finish_decompress' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_resync_to_restart(jpeg_decompress_struct*, int)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_resync_to_restart' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
  "jpeg_destroy_decompress(jpeg_decompress_struct*)", referenced from:
      pangolin::LoadJpg(std::__1::basic_istream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
      pangolin::GetMJpegOffsets(std::__1::basic_ifstream<char, std::__1::char_traits<char>>&) in image_io_jpg.cpp.o
   NOTE: found '_jpeg_destroy_decompress' in libjpeg.8.3.2.dylib, declaration possibly missing 'extern "C"'
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
[39/158] Building CXX object CMakeFiles/pango_geometry.dir/components/pango_geometry/src/geometry_ply.cpp.o
ninja: build stopped: subcommand failed.

@christian-rauch
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any idea on how to fix it?

Hard to say without further information. Are you following the instructions to install the dependencies? The CI pipeline for macOS arm64 (https://github.com/stevenlovegrove/Pangolin/actions/runs/10222724033/job/28287848313) runs successfully.

I don't have access to macOS hardware and rely on the CI for testing. If you can reproduce this on the CI, I can check if there is something wrong with the installation scripts for the dependencies.

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@JetForMe @DeoLeung @christian-rauch