97 lines
3.7 KiB
CMake
97 lines
3.7 KiB
CMake
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# Copyright (c) PLUMgrid, Inc.
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# Licensed under the Apache License, Version 2.0 (the "License")
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cmake_minimum_required(VERSION 2.8.7)
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project(bcc)
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE Release)
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endif()
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enable_testing()
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include(cmake/GetGitRevisionDescription.cmake)
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include(cmake/version.cmake)
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include(CMakeDependentOption)
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include(GNUInstallDirs)
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include(CheckCXXCompilerFlag)
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include(cmake/FindCompilerFlag.cmake)
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option(ENABLE_LLVM_NATIVECODEGEN "Enable use of llvm nativecodegen module (needed by rw-engine)" ON)
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option(ENABLE_RTTI "Enable compiling with real time type information" OFF)
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option(ENABLE_LLVM_SHARED "Enable linking LLVM as a shared library" OFF)
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option(ENABLE_CLANG_JIT "Enable Loading BPF through Clang Frontend" ON)
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option(ENABLE_USDT "Enable User-level Statically Defined Tracing" ON)
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CMAKE_DEPENDENT_OPTION(ENABLE_CPP_API "Enable C++ API" ON "ENABLE_USDT" OFF)
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
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if(NOT PYTHON_ONLY AND ENABLE_CLANG_JIT)
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find_package(BISON)
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find_package(FLEX)
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find_package(LLVM REQUIRED CONFIG)
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message(STATUS "Found LLVM: ${LLVM_INCLUDE_DIRS} ${LLVM_PACKAGE_VERSION}")
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find_package(LibElf REQUIRED)
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# clang is linked as a library, but the library path searching is
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# primitively supported, unlike libLLVM
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set(CLANG_SEARCH "/opt/local/llvm/lib;/usr/lib/llvm-3.7/lib;${LLVM_LIBRARY_DIRS}")
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find_library(libclangAnalysis NAMES clangAnalysis HINTS ${CLANG_SEARCH})
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find_library(libclangAST NAMES clangAST HINTS ${CLANG_SEARCH})
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find_library(libclangBasic NAMES clangBasic HINTS ${CLANG_SEARCH})
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find_library(libclangCodeGen NAMES clangCodeGen HINTS ${CLANG_SEARCH})
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find_library(libclangDriver NAMES clangDriver HINTS ${CLANG_SEARCH})
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find_library(libclangEdit NAMES clangEdit HINTS ${CLANG_SEARCH})
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find_library(libclangFrontend NAMES clangFrontend HINTS ${CLANG_SEARCH})
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find_library(libclangLex NAMES clangLex HINTS ${CLANG_SEARCH})
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find_library(libclangParse NAMES clangParse HINTS ${CLANG_SEARCH})
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find_library(libclangRewrite NAMES clangRewrite HINTS ${CLANG_SEARCH})
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find_library(libclangSema NAMES clangSema HINTS ${CLANG_SEARCH})
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find_library(libclangSerialization NAMES clangSerialization HINTS ${CLANG_SEARCH})
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find_library(libclangASTMatchers NAMES clangASTMatchers HINTS ${CLANG_SEARCH})
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if(libclangBasic STREQUAL "libclangBasic-NOTFOUND")
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message(FATAL_ERROR "Unable to find clang libraries")
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endif()
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FOREACH(DIR ${LLVM_INCLUDE_DIRS})
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include_directories("${DIR}/../tools/clang/include")
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ENDFOREACH()
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# Set to a string path if system places kernel lib directory in
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# non-default location.
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if(NOT DEFINED BCC_KERNEL_MODULES_DIR)
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set(BCC_KERNEL_MODULES_DIR "/lib/modules")
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endif()
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if(NOT DEFINED BCC_PROG_TAG_DIR)
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set(BCC_PROG_TAG_DIR "/var/tmp/bcc")
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endif()
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# As reported in issue #735, GCC 6 has some behavioral problems when
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# dealing with -isystem. Hence, skip the warning optimization
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# altogether on that compiler.
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option(USINGISYSTEM "using -isystem" ON)
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execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
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if (USINGISYSTEM AND GCC_VERSION VERSION_LESS 6.0)
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# iterate over all available directories in LLVM_INCLUDE_DIRS to
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# generate a correctly tokenized list of parameters
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foreach(ONE_LLVM_INCLUDE_DIR ${LLVM_INCLUDE_DIRS})
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set(CXX_ISYSTEM_DIRS "${CXX_ISYSTEM_DIRS} -isystem ${ONE_LLVM_INCLUDE_DIR}")
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endforeach()
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endif()
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_STANDARD 11)
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endif(NOT PYTHON_ONLY AND ENABLE_CLANG_JIT)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall ${CXX_ISYSTEM_DIRS}")
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add_subdirectory(src)
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add_subdirectory(introspection)
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if(ENABLE_CLANG_JIT)
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add_subdirectory(examples)
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add_subdirectory(man)
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add_subdirectory(tests)
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add_subdirectory(tools)
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endif(ENABLE_CLANG_JIT)
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