Use dyld to link in frameworks at runtime. Use ld to make your programs and link archive libraries at build time.

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iOS18 crash due to "main_executable_path_missing" and "dyld"
Our app experience the strange crash,causing the app to not launch.This crash suddenly began to happen on October 25. At present, all the Hardware Model of mobile phones that occurred were on iPhone17,1 and the iOS system version was iOS18.0.1. This crash was all from users on the appstore, and was collected via Xcode - Organizer - > Crashes. I've attached the crash report.Thanks Distributor ID: com.apple.AppStore Hardware Model: iPhone17,1 Process: XxxxxxXXX [31230] Path: /private/var/containers/Bundle/Application/6E9E07EA-B7A4-4D57-B419-743DDCF7C3A6/XxxxxxXXX.app/XxxxxxXXX Identifier: com.XxxxxxXXX.XxxxxxXXX Version: 8.1.10 (811001) AppStoreTools: 16A242d AppVariant: 1:iPhone17,1:18 Code Type: ARM-64 (Native) Role: unknown Parent Process: launchd [1] Coalition: com.XxxxxxXXX.XxxxxxXXX [8069] Date/Time: 2024-10-31 03:30:38.7437 +0800 Launch Time: 2024-10-31 03:30:38.7415 +0800 OS Version: iPhone OS 18.0.1 (22A3370) Release Type: User Baseband Version: 1.00.00 Report Version: 104 Exception Type: EXC_CRASH (SIGKILL) Exception Codes: 0x0000000000000000, 0x0000000000000000 Termination Reason: GUARD 5 Triggered by Thread: 0 Thread 0 Crashed: 0 dyld 0x00000001b2da32b0 lsl::PreallocatedAllocatorLayout<278528ull>::init(char const**, char const**, void*) + 436 (Allocator.h:537) 1 dyld 0x00000001b2d9ca38 start + 1960 (dyldMain.cpp:1289) Thread 0 crashed with ARM Thread State (64-bit): x0: 0x2010003030100000 x1: 0x0000000fffffc0d0 x2: 0x0000000000000002 x3: 0x00000001b2d717ab x4: 0x0000000000000000 x5: 0x0000000000000000 x6: 0x0000000000000000 x7: 0x0000000000000000 x8: 0x2010003030100000 x9: 0x2010003030100000 x10: 0x000000016d1dbdfb x11: 0x00000001b2dddf30 x12: 0x0000000000000050 x13: 0x0000000000000044 x14: 0x0000000000052010 x15: 0x0000000000000000 x16: 0x0000000000000000 x17: 0x0000000000000000 x18: 0x0000000000000000 x19: 0x000000018a7e0000 x20: 0x000000016d1dbb30 x21: 0x000000016d1dbad0 x22: 0x00000001f0794050 x23: 0x000000016d1db7b8 x24: 0x0000000fffffc10c x25: 0x0000000000000000 x26: 0x0000000000000000 x27: 0x0000000000000000 x28: 0x0000000000000000 fp: 0x000000016d1db850 lr: 0x00380001b2da3130 sp: 0x000000016d1db7b0 pc: 0x00000001b2da32b0 cpsr: 0x60000000 esr: 0x92000047 (Data Abort) byte write Translation fault Binary Images: 0x102c24000 - 0x1056d3fff main_executable_path_missing arm64 <086a82c13b863f4485895baddc3144ba> /main_executable_path_missing 0x1b2d69000 - 0x1b2dec693 dyld arm64e <5db839882ee63756bd07b8d67b1133a5> /usr/lib/dyld EOF 2024-10-26_17-41-58.4222_+0800-841f6bdf4b2d436606ce55595ffc94d64e9af744.crash 2024-10-26_19-44-40.1115_+0800-7d4d654c76a10108b431acc612d6063b1edb1c3e.crash 2024-10-27_17-12-02.4926_+0800-6a4b6ec4cff928cf746162b9371a3176c3667c21.crash 2024-10-28_21-42-02.6780_+0800-c66c71c13414e7ff14ba783c883730c1361523b5.crash 2024-10-29_05-47-00.3943_+0800-ac7c1f5b6caf9aa97d71744a8f980c32d47eab80.crash 2024-10-31_03-30-38.7437_+0800-e1c54dc8879f97932cbb1520a04210bea6d7aaf4.crash 2024-11-03_07-57-18.8892_+0800-c7704569afc79ce50ac10b66e185de87425b1969.crash 2024-11-03_08-27-19.0514_+0800-c069e2f8dfa6767b8e301513aff3c3a7ea331e2c.crash
1
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734
Nov ’24
When application merges libswift_concurrency.dylib is duplicated in app binary
Environment: Xcode 16.1 Swift version: 6.0.2 Inside of an Xcode project, if I declare a framework and an application. The framework is mergeable and the application merges the framework by configuring MERGE_BINARY_TYPE to Manual (or automatic it's independent). If SWIFT_VERSION is set to 6.0.X and deployment target is set to iOS 15< the build is going to fail because of this error Duplicate linked dylib '@rpath/libswift_Concurrency.dylib' in '/Users/**/Library/Developer/Xcode/DerivedData/GSPackage-dvnngsrgctfovgfbvwdlsscfycyq/Build/Products/Debug-iphonesimulator/DummyApp.app/DummyApp.debug.dylib' If I'm checking the generated artifact and inspect all of it's @rpath with otool it's giving me the following: otool -L /Users/****/Library/Developer/Xcode/DerivedData/Dummy-gbccsjwxeajftsafghxzaqksgfim/Build/Products/Debug-iphonesimulator/Dummy.app/Dummy.debug.dylib | grep @rpath @rpath/Dummy.debug.dylib (compatibility version 0.0.0, current version 0.0.0) @rpath/libswift_Concurrency.dylib (compatibility version 1.0.0, current version 0.0.0, weak) @rpath/libswift_Concurrency.dylib (compatibility version 1.0.0, current version 0.0.0, weak) A radar is already opened with the ID: FB15693702
0
0
405
Nov ’24
Crash due to missing symbols from libc++ [macOS 11.7.10] [Big Sur]
We are seeing a crash on Big Sur 11.7.10 after switching the build system to use Xcode 15 Excerpt from crash Time Awake Since Boot: 1700 seconds System Integrity Protection: enabled Crashed Thread: 0 Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Exception Note: EXC_CORPSE_NOTIFY Termination Reason: DYLD, [0x4] Symbol missing Application Specific Information: dyld: launch, loading dependent libraries Dyld Error Message: Symbol not found: __ZNSt3__17codecvtIDiDu11__mbstate_tE2idE Referenced from: /Applications/SecureworksTaegis.app/Contents/MacOS/com.secureworks.agent.daemon.app/Contents/MacOS/com.secureworks.agent.daemon Expected in: /usr/lib/libc++.1.dylib in /Applications/SecureworksTaegis.app/Contents/MacOS/com.secureworks.agent.daemon.app/Contents/MacOS/com.secureworks.agent.daemon Build system has the following specs : ProductName: macOS ProductVersion: 14.3.1 BuildVersion: 23D60 Xcode 15.2 Build version 15C500b CMAKE PROPS set(CMAKE_CXX_STANDARD 20) set(CMAKE_CXX_EXTENSIONS OFF) set(CMAKE_OSX_DEPLOYMENT_TARGET 11.0)
5
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797
Nov ’24
Journaling Suggestions is not available on iOS Simulator
Hey, when I try to run my project on an iOS Simulator, I get the following message: JournalingSuggestions is not available when building for iOS Simulator. and Linker command failed with exit code 1 (use -v to see invocation) Steps to reproduce this behavior: Create a new Xcode project Add the Journaling Suggestions Capability Add the Journaling Suggestions Framework Under "Target > Build Phases > Link Binary with Libraries", select “optional“ for JournalingSuggestions.framework Under "Target > Build Settings > Other Linker Flags > Debug" select „Plus“ and add „iOS or iOS Simulator“ and paste this -Xlinker -weak_framework -Xlinker JournalingSuggestions into the editable field. Do the same for "Target > Build Settings > Other Linker Flags > Release" This tread is about the same problem, but is already checked as answered. That's why I'm creating this new tread. The last two bullet points are results from advice from the other thread. MacBook Air, M1, 2020, macOS: 14.6.1, Xcode: 16.0 Thanks for your help!
3
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485
Oct ’24
Issues with Statsmodels
When I import starts models in Jupyter notebook, I ge the following error: ImportError: dlopen(/opt/anaconda3/lib/python3.12/site-packages/scipy/linalg/_fblas.cpython-312-darwin.so, 0x0002): Library not loaded: @rpath/liblapack.3.dylib Referenced from: &lt;5ACBAA79-2387-3BEF-9F8E-6B7584B0F5AD&gt; /opt/anaconda3/lib/python3.12/site-packages/scipy/linalg/_fblas.cpython-312-darwin.so Reason: tried: '/opt/anaconda3/lib/python3.12/site-packages/scipy/linalg/../../../../liblapack.3.dylib' (no such file), '/opt/anaconda3/lib/python3.12/site-packages/scipy/linalg/../../../../liblapack.3.dylib' (no such file), '/opt/anaconda3/bin/../lib/liblapack.3.dylib' (no such file), '/opt/anaconda3/bin/../lib/liblapack.3.dylib' (no such file), '/usr/local/lib/liblapack.3.dylib' (no such file), '/usr/lib/liblapack.3.dylib' (no such file, not in dyld cache). What should I do?
1
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589
Oct ’24
xcodebuild linking error fille cannot be open()ed, errno=2
I very recently migrated our project on Swift 6. After fixing every issues, mostly due to Swift Concurrency, I’m getting the following error when compiling with Xcode 16.0, which doesn’t make any sense to me : Multiple errors: file cannot be open()ed, errno=2 path=/Users/.../Library/Developer/Xcode/DerivedData/MyApp-euxwyncffackymerzuntbjccezyq/Build/Intermediates.noindex/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/arm64/Router.o in '/Users/.../Library/Developer/Xcode/DerivedData/MyApp-euxwyncffackymerzuntbjccezyq/Build/Intermediates.noindex/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/arm64/Router.o'; file cannot be open()ed, errno=2 path=/Users/.../Library/Developer/Xcode/DerivedData/MyApp-euxwyncffackymerzuntbjccezyq/Build/Intermediates.noindex/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/arm64/AccountRouter.o in '/Users/.../Library/Developer/Xcode/DerivedData/MyApp-euxwyncffackymerzuntbjccezyq/Build/Intermediates.noindex/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/arm64/AccountRouter.o'; file cannot be open()ed, errno=2 path=/Users/.../Library/Developer/Xcode/DerivedData/MyApp-euxwyncffackymerzuntbjccezyq/Build/Intermediates.noindex/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/arm64/AlertRouter.o in '/Users/.../Library/Developer/Xcode/DerivedData/MyApp-euxwyncffackymerzuntbjccezyq/Build/Intermediates.noindex/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/arm64/AlertRouter.o'; file cannot be open()ed, errno=2 path=/Users/.../Library/Developer/Xcode/DerivedData/MyApp-euxwyncffackymerzuntbjccezyq/Build/Intermediates.noindex/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/arm64/AlarmRouter.o in '/Users/.../Library/Developer/Xcode/DerivedData/MyApp-euxwyncffackymerzuntbjccezyq/Build/Intermediates.noindex/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/arm64/AlarmRouter.o' (The '…’ is just me obfuscating the real name) I’ve checked the paths. The file are here and I can open them. I tried cleaning the project, removing every derived data. I removed every dependencies (cocoapods &amp; SPM). I’m using Tuist, so I fully cleaned the project and recreated it from scratch. Then I thought it might be an issue with my Xcode installation, so I tried running the project on another machine, I still get the same error every time. Anyone has a clue on what’s happening?
12
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1.1k
Oct ’24
Max OS X App Bundle Framework folder
Hi, the documentation says that an application bundle for Mac OS X can have a Frameworks folder within Contents. Using a framework for console applications (no bundle) and GUI applications (bundle), I cannot load the console applications anymore on Ventura. Prior to Ventora I have tested and ran both on Mojave or earlier - I am not sure. To fix the issue, I have moved the frameworks within the application bundle to match the rpath for /Users/lothar/Library/Frameworks when I place the console into /Users/lothar/bin, the same rpath for application bundles works for those within the bin folder. Can I publish an application bundle with that modified layout or do I have to expect getting problems and do rather a Symlink pointing from /Users/lothar/Frameworks to /Users/lothar/Library/Frameworks? Thanks, Lothar
1
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552
Oct ’24
Undefined symbols for architecture x86_64:
I am developing a simple camera JNI interface program in Objc. I managed to compile. But I get the following link error. I use the following command. Is there anything I can add to solve this problem? Note that I use Intel MacMini. g++ -framework Foundation -framework AVFoundation CameraMacOS.m Undefined symbols for architecture x86_64: "_CMVideoFormatDescriptionGetDimensions", referenced from: _openCamera in CameraMacOS-517c44.o _listWebcamNamesAndSizes in CameraMacOS-517c44.o "_CVPixelBufferGetBaseAddress", referenced from: -[CaptureDelegate captureOutput:didFinishProcessingPhoto:error:] in CameraMacOS-517c44.o "_CVPixelBufferGetBytesPerRow", referenced from: -[CaptureDelegate captureOutput:didFinishProcessingPhoto:error:] in CameraMacOS-517c44.o "_CVPixelBufferGetHeight", referenced from: -[CaptureDelegate captureOutput:didFinishProcessingPhoto:error:] in CameraMacOS-517c44.o "_CVPixelBufferGetWidth", referenced from: -[CaptureDelegate captureOutput:didFinishProcessingPhoto:error:] in CameraMacOS-517c44.o "_CVPixelBufferLockBaseAddress", referenced from: -[CaptureDelegate captureOutput:didFinishProcessingPhoto:error:] in CameraMacOS-517c44.o "_CVPixelBufferUnlockBaseAddress", referenced from: -[CaptureDelegate captureOutput:didFinishProcessingPhoto:error:] in CameraMacOS-517c44.o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
2
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683
Oct ’24
Application doesn't start: Namespace DYLD, Code 1 Library missing
I have a multi-platform application made with Delphi which uses FTDI D2XX drivers. All is well in other platforms but i have this issue in MacOS when i try to start the application: Termination Reason: Namespace DYLD, Code 1 Library missing Library not loaded: libftd2xx.dylib Referenced from: <CD2148C0-F76F-35D5-8E65-2BE51F201302> /Users/USER/*/USB_Editor.app/Contents/MacOS/USB_Editor Reason: tried: 'libftd2xx.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OSlibftd2xx.dylib' (no such file), 'libftd2xx.dylib' (no such file), '//libftd2xx.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS//libftd2xx.dylib' (no such file), '//libftd2xx.dylib' (no such file) (terminated at launch; ignore backtrace) If i try to run the executable i get a similar error which includes the users/user folder in the paths specified above. So if i copy libftd2xx.dylib to users/user the app can start from the executable and the USB library works well. The library is bundled in Contents/Framework as this seems to be the best (or only) accepted practice. Btw the app only starts during deployment if the library is found in Contents/MacOS. Library version is the most recent from FTDI site for the ARM architecture and followed their instructions to install. If i try the otool command on the library i get this: otool -L libftd2xx.dylib libftd2xx.dylib: libftd2xx.dylib (compatibility version 1.1.0, current version 1.4.30) /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1336.61.1) /usr/lib/libobjc.A.dylib (compatibility version 1.0.0, current version 228.0.0) /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0) /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation (compatibility version 150.0.0, current version 2202.0.0) I'm a Mac user since last week so my knowledge of the system is not so good yet (:
2
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751
Oct ’24
Xcode not copying frameworks Swift package with binary target if only included from app extension
I have a Swift Package that includes XCFrameworks which are exported as binary targets. If I include any of the product in Frameworks and Libraries section of a notification service extension target, build succeeds while the extension crashes with dynamic linker error: Library not loaded: @rpath/MoEngageRichNotification.framework/MoEngageRichNotification My workaround is to include the same product in app target's Frameworks and Libraries section and add @executable_path/../../Frameworks to LD_RUNPATH_SEARCH_PATHS settings for extension target. Is this a known limitation of XCode when using SPM?
1
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392
Oct ’24
Shared cache link error when linking to dylib
Hi, I'm producing a dylib that another developer is trying to link with an ffmpeg plugin, building on Sequoia (this was not an issue prior to upgrading the OS). The error is: ld: Shared cache eligible dylib cannot link to ineligible dylib '@rpath/libme.dylib'. Remove link to ineligible dylib, fix its eligibility, or opt out of the shared cache using the build setting 'LD_SHARED_CACHE_ELIGIBLE=NO' (or linker flag '-not_for_dyld_shared_cache') clang: error: linker command failed with exit code 1 (use -v to see invocation) So, simple question - how do I "fix my dylib's eligibility"? I can't seem to find much info about this online. Thanks, Jeff
1
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597
Oct ’24
Unable to link libxml2
Hi, I am encountering a linking issue with a project for an iOS .NET MAUI application that I am developing using Visual Studio 17.11.4. This project includes a custom static library (.a). The custom static library (.a) depends on the libxml2 library. However, it appears that libxml2 is not included in Xcode 15.4 (Sonoma OS), resulting in the following error: error : Undefined symbols for architecture arm64: error : "_xmlBufferCreate", referenced from: .... I have set the following additional arguments for compilation: -cxx -gcc_flags "-lz -lxml2". Despite my efforts to install libxml2 using Homebrew, I have not been successful. Could you please advise on how I can resolve this issue? Specifically, what is the path that Xcode uses to include libxml2?
1
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451
Oct ’24
Undefined symbols for architecture arm64 when building a driver
Hi, I have an issue with linker as well. I am building a IBM MQ driver using Erlang driver. It is building ok in Linux x64/Arm64 but doesn't build in macOS Arm64. Can you help please. e072513@VL-K4YR0QX62K c_src % gcc -I /opt/homebrew/Cellar/erlang@26/26.2.5/lib/erlang/usr/include -I /opt/mqm/inc -shared -fPIC -L /opt/mqm/lib64 -L /opt/homebrew/Cellar/erlang@26/26.2.5/lib/erlang/lib/erl_interface-5.5.1/lib -lei -lmqic_r -lpthread mq_series_drv.c -o mq_series_drv.so -v Apple clang version 16.0.0 (clang-1600.0.26.3) Target: arm64-apple-darwin23.6.0 Thread model: posix InstalledDir: /Library/Developer/CommandLineTools/usr/bin "/Library/Developer/CommandLineTools/usr/bin/clang" -cc1 -triple arm64-apple-macosx14.0.0 -Wundef-prefix=TARGET_OS_ -Wdeprecated-objc-isa-usage -Werror=deprecated-objc-isa-usage -Werror=implicit-function-declaration -emit-obj -mrelax-all -dumpdir mq_series_drv.so- -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name mq_series_drv.c -mrelocation-model pic -pic-level 2 -mframe-pointer=non-leaf -fno-strict-return -ffp-contract=on -fno-rounding-math -funwind-tables=1 -fobjc-msgsend-selector-stubs -target-sdk-version=15.0 -fvisibility-inlines-hidden-static-local-var -fno-modulemap-allow-subdirectory-search -target-cpu apple-m1 -target-feature +v8.5a -target-feature +aes -target-feature +crc -target-feature +dotprod -target-feature +fp-armv8 -target-feature +fp16fml -target-feature +lse -target-feature +ras -target-feature +rcpc -target-feature +rdm -target-feature +sha2 -target-feature +sha3 -target-feature +neon -target-feature +zcm -target-feature +zcz -target-feature +fullfp16 -target-abi darwinpcs -debugger-tuning=lldb -target-linker-version 1115.7.3 -v -fcoverage-compilation-dir=/Users/e072513/ips-tch-switch/_checkouts/mq_series/c_src -resource-dir /Library/Developer/CommandLineTools/usr/lib/clang/16 -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I /opt/homebrew/Cellar/erlang@26/26.2.5/lib/erlang/usr/include -I /opt/mqm/inc -I/usr/local/include -internal-isystem /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/local/include -internal-isystem /Library/Developer/CommandLineTools/usr/lib/clang/16/include -internal-externc-isystem /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include -internal-externc-isystem /Library/Developer/CommandLineTools/usr/include -Wno-reorder-init-list -Wno-implicit-int-float-conversion -Wno-c99-designator -Wno-final-dtor-non-final-class -Wno-extra-semi-stmt -Wno-misleading-indentation -Wno-quoted-include-in-framework-header -Wno-implicit-fallthrough -Wno-enum-enum-conversion -Wno-enum-float-conversion -Wno-elaborated-enum-base -Wno-reserved-identifier -Wno-gnu-folding-constant -fdebug-compilation-dir=/Users/e072513/ips-tch-switch/_checkouts/mq_series/c_src -ferror-limit 19 -stack-protector 1 -fstack-check -mdarwin-stkchk-strong-link -fblocks -fencode-extended-block-signature -fregister-global-dtors-with-atexit -fgnuc-version=4.2.1 -fmax-type-align=16 -fcommon -fcolor-diagnostics -clang-vendor-feature=+disableNonDependentMemberExprInCurrentInstantiation -fno-odr-hash-protocols -clang-vendor-feature=+enableAggressiveVLAFolding -clang-vendor-feature=+revert09abecef7bbf -clang-vendor-feature=+thisNoAlignAttr -clang-vendor-feature=+thisNoNullAttr -clang-vendor-feature=+disableAtImportPrivateFrameworkInImplementationError -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /var/folders/zw/xt5wvkzj43v_p458qgx16bxw0000gn/T/mq_series_drv-d90068.o -x c mq_series_drv.c clang -cc1 version 16.0.0 (clang-1600.0.26.3) default target arm64-apple-darwin23.6.0 ignoring nonexistent directory "/usr/local/include" ignoring nonexistent directory "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/local/include" ignoring nonexistent directory "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/Library/Frameworks" #include "..." search starts here: #include &lt;...&gt; search starts here: /opt/homebrew/Cellar/erlang@26/26.2.5/lib/erlang/usr/include /opt/mqm/inc /Library/Developer/CommandLineTools/usr/lib/clang/16/include /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include /Library/Developer/CommandLineTools/usr/include /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks (framework directory) End of search list. "/Library/Developer/CommandLineTools/usr/bin/ld" -demangle -lto_library /Library/Developer/CommandLineTools/usr/lib/libLTO.dylib -no_deduplicate -dynamic -dylib -arch arm64 -platform_version macos 14.0.0 15.0 -syslibroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -mllvm -enable-linkonceodr-outlining -o mq_series_drv.so -L/opt/mqm/lib64 -L/opt/homebrew/Cellar/erlang@26/26.2.5/lib/erlang/lib/erl_interface-5.5.1/lib -L/usr/local/lib -lei -lmqic_r -lpthread /var/folders/zw/xt5wvkzj43v_p458qgx16bxw0000gn/T/mq_series_drv-d90068.o -lSystem /Library/Developer/CommandLineTools/usr/lib/clang/16/lib/darwin/libclang_rt.osx.a Undefined symbols for architecture arm64: "_driver_alloc", referenced from: _mq_drv_start in mq_series_drv-d90068.o _do_connect in mq_series_drv-d90068.o _do_put in mq_series_drv-d90068.o _do_get in mq_series_drv-d90068.o "_driver_async", referenced from: _do_connect in mq_series_drv-d90068.o _do_put in mq_series_drv-d90068.o _do_get in mq_series_drv-d90068.o "_driver_free", referenced from: _mq_drv_stop in mq_series_drv-d90068.o _ready_async in mq_series_drv-d90068.o _do_free in mq_series_drv-d90068.o "_driver_output", referenced from: _ready_async in mq_series_drv-d90068.o _error_bad_arg in mq_series_drv-d90068.o _return_error in mq_series_drv-d90068.o ld: symbol(s) not found for architecture arm64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
1
0
689
Oct ’24
Odd dyld crash: '/usr/lib/libc++.1.dylib' (no such file, no dyld cache)
We recently started encountering a perplexing crash when we build our iOS application to device: Termination Reason: DYLD 1 Library missing Library not loaded: /usr/lib/libc++.1.dylib Referenced from: <2A9D8B8D-E81E-3FEC-A4B7-1EA4841CFC4F> /Volumes/VOLUME/*/Walmart.app/Walmart Reason: tried: '/usr/lib/libc++.1.dylib' (no such file), '/private/preboot/Cryptexes/OS/usr/lib/libc++.1.dylib' (no such file), '/usr/lib/libc++.1.dylib' (no such file, no dyld cache) (terminated at launch; ignore backtrace) Highlighted by Thread: 0 See attachment for full crash log. We've been spinning our wheels trying to understand why this could be happening. We've had the OTHER_LDFLAGS= -lc++ for some time now and we tried linking libc++.1.tbd to no avail. Any help? Walmart-2024-09-26-154332.ips
7
2
1.2k
Oct ’24
Xcodebuild linker error - referencing Mac OS SDK for iOS builds.
I'm trying to build an iOS project in command line via xcodebuild. OS: Mac OS 15.1 beta Xcode: Xcode 16 Creating a new iOS project and trying to run xcodebuild results in this error. No other dependencies, no frameworks added. ld: building for 'iOS', but linking in dylib (/Library/Developer/CommandLineTools/SDKs/MacOSX15.0.sdk/usr/lib/libobjc.A.tbd) built for 'macOS macCatalyst zippered(macOS/Catalyst)' My initial plan was to do this with a VisionOS project, but for some reason, I'm getting errors like this for both platforms and brand new projects. Any pointers as to what is referencing the MacOS SDK and how I can fix this would be helpful. Complete log: /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -sdk iphoneos -configuration Release -scheme iphonedummy build CODE_SIGNING_ALLOWED=NO -verbose User defaults from command line: IDEPackageSupportUseBuiltinSCM = YES Build settings from command line: CODE_SIGNING_ALLOWED = NO SDKROOT = iphoneos18.0 Prepare packages ComputeTargetDependencyGraph note: Building targets in dependency order note: Target dependency graph (1 target) Target 'iphonedummy' in project 'iphonedummy' (no dependencies) GatherProvisioningInputs CreateBuildDescription // Removed a block for length. ExecuteExternalTool /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.0.sdk -x c -c /dev/null // Removed another block for length. Build description signature: dc5e0c08dfce007b98c7bce87acea5fe Build description path: /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Intermediates.noindex/XCBuildData/dc5e0c08dfce007b98c7bce87acea5fe.xcbuilddata ClangStatCache /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.0.sdk /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/SDKStatCaches.noindex/iphoneos18.0-22A3362-8ec3fe4dca91fa9a941eaa2d5faad0e4.sdkstatcache cd /Users/sravankaruturi/dev/iphonedummy/iphonedummy.xcodeproj /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.0.sdk -o /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/SDKStatCaches.noindex/iphoneos18.0-22A3362-8ec3fe4dca91fa9a941eaa2d5faad0e4.sdkstatcache ProcessInfoPlistFile /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Products/Release-iphoneos/iphonedummy.app/Info.plist /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Intermediates.noindex/iphonedummy.build/Release-iphoneos/iphonedummy.build/empty-iphonedummy.plist (in target 'iphonedummy' from project 'iphonedummy') cd /Users/sravankaruturi/dev/iphonedummy builtin-infoPlistUtility /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Intermediates.noindex/iphonedummy.build/Release-iphoneos/iphonedummy.build/empty-iphonedummy.plist -producttype com.apple.product-type.application -genpkginfo /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Products/Release-iphoneos/iphonedummy.app/PkgInfo -expandbuildsettings -format binary -platform iphoneos -additionalcontentfile /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Intermediates.noindex/iphonedummy.build/Release-iphoneos/iphonedummy.build/assetcatalog_generated_info.plist -requiredArchitecture arm64 -o /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Products/Release-iphoneos/iphonedummy.app/Info.plist Ld /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Products/Release-iphoneos/iphonedummy.app/iphonedummy normal (in target 'iphonedummy' from project 'iphonedummy') cd /Users/sravankaruturi/dev/iphonedummy /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -Xlinker -reproducible -target arm64-apple-ios18.0 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.0.sdk -Os -L/Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Intermediates.noindex/EagerLinkingTBDs/Release-iphoneos -L/Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Products/Release-iphoneos -F/Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Intermediates.noindex/EagerLinkingTBDs/Release-iphoneos -F/Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Products/Release-iphoneos -filelist /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Intermediates.noindex/iphonedummy.build/Release-iphoneos/iphonedummy.build/Objects-normal/arm64/iphonedummy.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -dead_strip -Xlinker -object_path_lto -Xlinker /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Intermediates.noindex/iphonedummy.build/Release-iphoneos/iphonedummy.build/Objects-normal/arm64/iphonedummy_lto.o -fobjc-link-runtime -L/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/iphoneos -L/usr/lib/swift -Xlinker -add_ast_path -Xlinker /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Intermediates.noindex/iphonedummy.build/Release-iphoneos/iphonedummy.build/Objects-normal/arm64/iphonedummy.swiftmodule -Xlinker -dependency_info -Xlinker /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Intermediates.noindex/iphonedummy.build/Release-iphoneos/iphonedummy.build/Objects-normal/arm64/iphonedummy_dependency_info.dat -o /Users/sravankaruturi/Library/Developer/Xcode/DerivedData/iphonedummy-bwpzemojmpkzehhhkxqtjearnxkl/Build/Products/Release-iphoneos/iphonedummy.app/iphonedummy ld: building for 'iOS', but linking in dylib (/Library/Developer/CommandLineTools/SDKs/MacOSX15.0.sdk/usr/lib/libobjc.A.tbd) built for 'macOS macCatalyst zippered(macOS/Catalyst)' clang: error: linker command failed with exit code 1 (use -v to see invocation)
1
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717
Sep ’24
**Debug Build Issue: App Crashes on Device Due to Manual Merge in Mergeable Libraries**
If I use the manual merge option with a mergeable library in debug mode, the app crashes on the device only. Here's what I found when debugging this issue. Problem situation 1 In the debug build, the linker does not find the type of the Meregeable Library. Explain the debugged result of Problem Situation 1 We have a type called UserAdDTO, which belongs to the B Framework. - In our project, B Framework and C Framework are mergeable libraries, and they are merged into A Framework. We are using Manual Merge in A Framework. When we build with the simulator, we link the UserAdDTO from CFramework.framework/CFramework in the app target. On the other hand, when I build with the device, I try to link it from AFramework.framework/AFramework, and I get the issue that UserAdDTO is not found. So, even if you output DYLD_PRINT_BINDINGS, the simulator build links to the C Framework to find the UserAdDTO, but the app links to the B Framework, causing a runtime crash. Problem situation 2 It is confirmed that only the device build does not copy the reexported binary. Detailed description of problem situation 2 If you compare the build messages from the device build with the build messages from the release build, both generate the reexported binaries of B and C Frameworks, but do not copy them to BFramework.framework and CFramework.framework. Instead, they copy the files in different paths. This appears to be a bug, and I'd like to ask you to confirm.
0
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381
Sep ’24
App compiles and run for Debug, but fails to link for Release on unused dependency
So I'm working on a large client app with lots of frameworks and modules which is is a mix of Xcode frameworks with 3rd party dependencies in CocoaPods and newer/converted SPM modules. Essentially CocoaPods is used to set the 3rd party dependencies on various Xcode frameworks, which also depend on each other via manual set dependencies, plus a bunch of SPM modules which are also manually added. It's a bit of a mess. The problem we encountered the other day started when I added a new protocol to one of the SPM modules. Nothing special about it, all types from Foundation and the app built and ran perfectly in simulator with a Debug build. However when we switched to building a Release build, it failed to link, logging an error indicating it could not resolve the new protocol in a number of the Xcode framework projects. The resolutions go like this: The Xcode app project has some manually added Xcode frameworks. Those frameworks have manually added dependencies on a second Xcode framework. That second framework has an SPM dependency on the module where my protocol lives. So Xcode App -> 1st Xcode framework -> 2nd Xcode framework -> SPM module. Now the 2nd Xcode framework directly uses my protocol from the SPM module. But the 1st Xcode framework neither uses or imports the SPM module. Yet the error we get when building for Release is that the 1st Framework is unable to resolve the protocol from the SPM module even though it's completely oblivious to it. My working theory is that something in the way a Release build works is insisting that when linking the 1st Xcode framework, it has to resolve the 2nd Xcode framework, which then has to resolve types from the SPM modules, but for some reason and only in a Release build, it's unable to. So our current workaround has been to add the SPM module as a dependency to all 1st level Xcode frameworks that have the 2nd Xcode framework as a dependency. That works because when linking the 1st Xcode framework, it has a direct reference to the module even though the code never imports anything from it. Does this should correct?
1
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371
Sep ’24