# Copyright (c) PLUMgrid, Inc.
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# Licensed under the Apache License, Version 2.0 (the "License")
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include_directories(${CMAKE_CURRENT_BINARY_DIR})
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include_directories(${CMAKE_CURRENT_SOURCE_DIR})
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# to be removed
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include_directories(${CMAKE_CURRENT_BINARY_DIR}/frontends/b)
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include_directories(${CMAKE_CURRENT_SOURCE_DIR}/frontends/b)
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include_directories(${CMAKE_CURRENT_SOURCE_DIR}/frontends/clang)
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include_directories(${LLVM_INCLUDE_DIRS})
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include_directories(${LIBELF_INCLUDE_DIRS})
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# todo: if check for kernel version
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include_directories(${CMAKE_CURRENT_SOURCE_DIR}/compat)
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add_definitions(${LLVM_DEFINITIONS})
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configure_file(libbcc.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libbcc.pc @ONLY)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -DBCC_PROG_TAG_DIR='\"${BCC_PROG_TAG_DIR}\"'")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
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string(REGEX MATCH "^([0-9]+).*" _ ${LLVM_PACKAGE_VERSION})
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DLLVM_MAJOR_VERSION=${CMAKE_MATCH_1}")
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include(static_libstdc++)
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add_library(bpf-static STATIC libbpf.c perf_reader.c)
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set_target_properties(bpf-static PROPERTIES OUTPUT_NAME bpf)
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add_library(bpf-shared SHARED libbpf.c perf_reader.c)
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set_target_properties(bpf-shared PROPERTIES VERSION ${REVISION_LAST} SOVERSION 0)
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set_target_properties(bpf-shared PROPERTIES OUTPUT_NAME bpf)
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set(bcc_common_sources bpf_common.cc bpf_module.cc exported_files.cc)
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if (${LLVM_PACKAGE_VERSION} VERSION_EQUAL 6 OR ${LLVM_PACKAGE_VERSION} VERSION_GREATER 6)
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set(bcc_common_sources ${bcc_common_sources} bcc_debug.cc)
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endif()
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set(bcc_table_sources table_storage.cc shared_table.cc bpffs_table.cc json_map_decl_visitor.cc)
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set(bcc_util_sources ns_guard.cc common.cc)
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set(bcc_sym_sources bcc_syms.cc bcc_elf.c bcc_perf_map.c bcc_proc.c)
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set(bcc_common_headers libbpf.h perf_reader.h)
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set(bcc_table_headers file_desc.h table_desc.h table_storage.h)
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set(bcc_api_headers bpf_common.h bpf_module.h bcc_exception.h bcc_syms.h)
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if(ENABLE_CLANG_JIT)
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add_library(bcc-shared SHARED
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link_all.cc ${bcc_common_sources} ${bcc_table_sources} ${bcc_sym_sources}
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${bcc_util_sources})
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set_target_properties(bcc-shared PROPERTIES VERSION ${REVISION_LAST} SOVERSION 0)
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set_target_properties(bcc-shared PROPERTIES OUTPUT_NAME bcc)
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if(ENABLE_USDT)
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set(bcc_usdt_sources usdt/usdt.cc usdt/usdt_args.cc)
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# else undefined
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endif()
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add_library(bcc-loader-static STATIC ${bcc_sym_sources} ${bcc_util_sources})
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target_link_libraries(bcc-loader-static elf)
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add_library(bcc-static STATIC
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${bcc_common_sources} ${bcc_table_sources} ${bcc_util_sources} ${bcc_usdt_sources})
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set_target_properties(bcc-static PROPERTIES OUTPUT_NAME bcc)
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set(bcc-lua-static
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${bcc_common_sources} ${bcc_table_sources} ${bcc_sym_sources} ${bcc_util_sources})
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include(clang_libs)
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${clang_lib_exclude_flags}")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${llvm_lib_exclude_flags}")
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# bcc_common_libs_for_a for archive libraries
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# bcc_common_libs_for_s for shared libraries
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set(bcc_common_libs_for_a b_frontend clang_frontend bpf-static
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-Wl,--whole-archive ${clang_libs} ${llvm_libs} -Wl,--no-whole-archive
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${LIBELF_LIBRARIES})
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set(bcc_common_libs_for_s ${bcc_common_libs_for_a})
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set(bcc_common_libs_for_lua b_frontend clang_frontend bpf-static
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${clang_libs} ${llvm_libs} ${LIBELF_LIBRARIES})
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if(ENABLE_CPP_API)
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add_subdirectory(api)
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list(APPEND bcc_common_libs_for_a api-static)
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# Keep all API functions
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list(APPEND bcc_common_libs_for_s -Wl,--whole-archive api-static -Wl,--no-whole-archive)
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endif()
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if(ENABLE_USDT)
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list(APPEND bcc_api_headers bcc_usdt.h)
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add_subdirectory(usdt)
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list(APPEND bcc_common_libs_for_a usdt-static)
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list(APPEND bcc_common_libs_for_s usdt-static)
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list(APPEND bcc_common_libs_for_lua usdt-static)
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endif()
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add_subdirectory(frontends)
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# Link against LLVM libraries
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target_link_libraries(bcc-shared ${bcc_common_libs_for_s})
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target_link_libraries(bcc-static ${bcc_common_libs_for_a} bcc-loader-static)
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set(bcc-lua-static ${bcc-lua-static} ${bcc_common_libs_for_lua})
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install(TARGETS bcc-shared LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
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install(FILES ${bcc_table_headers} DESTINATION include/bcc)
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install(FILES ${bcc_api_headers} DESTINATION include/bcc)
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install(DIRECTORY compat/linux/ DESTINATION include/bcc/compat/linux FILES_MATCHING PATTERN "*.h")
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libbcc.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
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endif(ENABLE_CLANG_JIT)
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install(FILES ${bcc_common_headers} DESTINATION include/bcc)
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install(TARGETS bpf-shared LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
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