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94 lines
3.6 KiB
94 lines
3.6 KiB
# 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_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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