# Copyright (c) PLUMgrid, Inc. # Licensed under the Apache License, Version 2.0 (the "License") include_directories(${CMAKE_CURRENT_BINARY_DIR}) include_directories(${CMAKE_CURRENT_SOURCE_DIR}) # to be removed include_directories(${CMAKE_CURRENT_BINARY_DIR}/frontends/b) include_directories(${CMAKE_CURRENT_SOURCE_DIR}/frontends/b) include_directories(${CMAKE_CURRENT_SOURCE_DIR}/frontends/clang) include_directories(${LLVM_INCLUDE_DIRS}) include_directories(${LIBELF_INCLUDE_DIRS}) # todo: if check for kernel version include_directories(${CMAKE_CURRENT_SOURCE_DIR}/compat) add_definitions(${LLVM_DEFINITIONS}) configure_file(libbcc.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libbcc.pc @ONLY) # prune unused llvm static library stuff when linking into the new .so set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--exclude-libs=ALL") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") # if gcc 4.9 or higher is used, static libstdc++ is a good option if (CMAKE_COMPILER_IS_GNUCC) execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION) if (GCC_VERSION VERSION_GREATER 4.9 OR GCC_VERSION VERSION_EQUAL 4.9) execute_process(COMMAND ${CMAKE_C_COMPILER} -print-libgcc-file-name OUTPUT_VARIABLE GCC_LIB) get_filename_component(GCC_DIR "${GCC_LIB}" DIRECTORY) find_library(GCC_LIBSTDCPP libstdc++.a PATHS "${GCC_DIR}" NO_DEFAULT_PATH) if (GCC_LIBSTDCPP) message(STATUS "Using static-libstdc++") set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -static-libstdc++") endif() endif() endif() add_library(bcc-shared SHARED bpf_common.cc bpf_module.cc libbpf.c perf_reader.c shared_table.cc exported_files.cc bcc_elf.c bcc_perf_map.c bcc_proc.c bcc_syms.cc usdt_args.cc usdt.cc) set_target_properties(bcc-shared PROPERTIES VERSION ${REVISION_LAST} SOVERSION 0) set_target_properties(bcc-shared PROPERTIES OUTPUT_NAME bcc) add_library(bcc-loader-static libbpf.c perf_reader.c bcc_elf.c bcc_perf_map.c bcc_proc.c) add_library(bcc-static STATIC bpf_common.cc bpf_module.cc shared_table.cc exported_files.cc bcc_syms.cc usdt_args.cc usdt.cc) set_target_properties(bcc-static PROPERTIES OUTPUT_NAME bcc) set(llvm_raw_libs bitwriter bpfcodegen irreader linker mcjit objcarcopts option passes nativecodegen) list(FIND LLVM_AVAILABLE_LIBS "LLVMCoverage" _llvm_coverage) if (${_llvm_coverage} GREATER -1) list(APPEND llvm_raw_libs coverage) endif() llvm_map_components_to_libnames(llvm_libs ${llvm_raw_libs}) llvm_expand_dependencies(expanded_libs ${llvm_libs}) # order is important set(clang_libs ${libclangFrontend} ${libclangSerialization} ${libclangDriver} ${libclangParse} ${libclangSema} ${libclangCodeGen} ${libclangAnalysis} ${libclangRewrite} ${libclangEdit} ${libclangAST} ${libclangLex} ${libclangBasic}) # Link against LLVM libraries target_link_libraries(bcc-shared b_frontend clang_frontend ${clang_libs} ${expanded_libs} ${LIBELF_LIBRARIES}) target_link_libraries(bcc-static b_frontend clang_frontend bcc-loader-static ${clang_libs} ${expanded_libs} ${LIBELF_LIBRARIES}) install(TARGETS bcc-shared LIBRARY COMPONENT libbcc DESTINATION ${CMAKE_INSTALL_LIBDIR}) install(FILES bpf_common.h bpf_module.h ../libbpf.h COMPONENT libbcc DESTINATION include/bcc) install(DIRECTORY compat/linux/ COMPONENT libbcc DESTINATION include/bcc/compat/linux FILES_MATCHING PATTERN "*.h") install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libbcc.pc COMPONENT libbcc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig) add_subdirectory(frontends)