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Add some build flags from Libsyscall.xcconfig
This fixes the symbol linking issue for `_os_alloc_once_table`, allowing us to remove our workaround (this hopefully fixes an issue with Bash freezing up when forking).
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src/kernel/libsyscall/CMakeLists.txt
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src/kernel/libsyscall/CMakeLists.txt
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set_source_files_properties(${file} PROPERTIES COMPILE_FLAGS "${CMAKE_C_FLAGS} -U_DARWIN_C_SOURCE -U_POSIX_C_SOURCE -U__DARWIN_UNIX03 -D__DARWIN_UNIX03=0 -U__DARWIN_C_LEVEL")
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endforeach(file)
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add_compile_options(
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#-fdollars-in-identifiers
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-no-cpp-precomp
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-fno-common
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-fno-stack-protector
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-fno-stack-check
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-momit-leaf-frame-pointer
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)
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add_darling_object_library(libsyscall ${syscall_sources})
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add_dependencies(libsyscall
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libsyscall_generate_mig_headers
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src/kernel/libsyscall/os/alloc_once.c
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src/kernel/libsyscall/os/alloc_once.c
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__attribute__((visibility("default")))
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extern struct _os_alloc_once_s _os_alloc_once_table[];
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#ifdef DARLING
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// for some reason, the linker doesn't see uninitialized symbols in static libraries
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// so we need to initialize this so dyld can use it
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struct _os_alloc_once_s _os_alloc_once_table[OS_ALLOC_ONCE_KEY_MAX] = { 0 };
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#else
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struct _os_alloc_once_s _os_alloc_once_table[OS_ALLOC_ONCE_KEY_MAX];
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#endif