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[CMAKE] Allow threads to be not found for cross compilation #397

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Merged
junrushao merged 1 commit into from
Jan 11, 2026
Merged

[CMAKE] Allow threads to be not found for cross compilation #397

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11 changes: 7 additions & 4 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -23,8 +23,6 @@ option(TVM_FFI_USE_LIBBACKTRACE "Enable libbacktrace" ON)
option(TVM_FFI_USE_EXTRA_CXX_API "Enable extra CXX API in shared lib" ON)
option(TVM_FFI_BACKTRACE_ON_SEGFAULT "Set signal handler to print backtrace on segfault" ON)

find_package(Threads REQUIRED)

include(${CMAKE_CURRENT_LIST_DIR}/cmake/Utils/DetectTargetTriple.cmake)

if (TVM_FFI_USE_LIBBACKTRACE)
Expand Down Expand Up @@ -124,8 +122,13 @@ endif ()
tvm_ffi_add_msvc_flags(tvm_ffi_objs)
tvm_ffi_add_target_from_obj(tvm_ffi tvm_ffi_objs)

target_link_libraries(tvm_ffi_shared PRIVATE Threads::Threads)
target_link_libraries(tvm_ffi_static INTERFACE Threads::Threads)
find_package(Threads)
if (Threads_FOUND)
# link to threads library if found on some cross-compilation platforms, the threads library maynot
# be found but downstream may still be able to build extra alternatives via source bundle
target_link_libraries(tvm_ffi_shared PRIVATE Threads::Threads)
target_link_libraries(tvm_ffi_static INTERFACE Threads::Threads)
endif ()

if (TVM_FFI_USE_EXTRA_CXX_API AND CMAKE_DL_LIBS)
target_link_libraries(tvm_ffi_shared PRIVATE ${CMAKE_DL_LIBS})
Expand Down