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https://github.com/varun-r-mallya/pylibbpf.git
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43 lines
1.3 KiB
CMake
43 lines
1.3 KiB
CMake
cmake_minimum_required(VERSION 4.0)
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project(pylibbpf)
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# pybind11
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include_directories(${CMAKE_SOURCE_DIR}/src)
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add_subdirectory(pybind11)
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pybind11_add_module(pylibbpf src/core/bpf_program.h src/core/bpf_exception.h
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src/bindings/main.cpp src/core/bpf_program.cpp)
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# --- libbpf build rules ---
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set(LIBBPF_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/libbpf/src)
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set(LIBBPF_BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}/libbpf)
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set(LIBBPF_A ${LIBBPF_BUILD_DIR}/libbpf.a)
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add_custom_command(
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OUTPUT ${LIBBPF_A}
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COMMAND make BUILD_STATIC_ONLY=1 OBJDIR=${LIBBPF_BUILD_DIR} CFLAGS="-fPIC"
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LDFLAGS="-fPIC" -C ${LIBBPF_SRC_DIR}
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WORKING_DIRECTORY ${LIBBPF_SRC_DIR}
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COMMENT "Building libbpf.a"
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VERBATIM)
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add_custom_target(libbpf_build ALL DEPENDS ${LIBBPF_A})
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# Define static lib as imported
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add_library(libbpf_static STATIC IMPORTED GLOBAL)
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set_target_properties(
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libbpf_static
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PROPERTIES
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IMPORTED_LOCATION ${LIBBPF_A}
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INTERFACE_INCLUDE_DIRECTORIES
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"${CMAKE_CURRENT_SOURCE_DIR}/libbpf/include;${CMAKE_CURRENT_SOURCE_DIR}/libbpf/src"
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)
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add_dependencies(libbpf_static libbpf_build)
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# Link pybind11 module against libbpf
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target_link_libraries(pylibbpf PRIVATE libbpf_static elf)
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# Version info for Python extension
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target_compile_definitions(pylibbpf
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PRIVATE VERSION_INFO=${PYLIBBPF_VERSION_INFO})
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