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Copy pathCMakeLists.txt
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82 lines (69 loc) · 3.03 KB
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# Copyright (c) PLUMgrid, Inc.
# Licensed under the Apache License, Version 2.0 (the "License")
cmake_minimum_required(VERSION 2.8.7)
project(bcc)
set(CMAKE_BUILD_TYPE Release)
enable_testing()
include(cmake/GetGitRevisionDescription.cmake)
include(cmake/version.cmake)
include(GNUInstallDirs)
include(CheckCXXCompilerFlag)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
if(NOT PYTHON_ONLY)
find_package(BISON)
find_package(FLEX)
find_package(LLVM REQUIRED CONFIG)
message(STATUS "Found LLVM: ${LLVM_INCLUDE_DIRS}")
# clang is linked as a library, but the library path searching is
# primitively supported, unlike libLLVM
set(CLANG_SEARCH "/opt/local/llvm/lib;/usr/lib/llvm-3.7/lib;${LLVM_LIBRARY_DIRS}")
find_library(libclangAnalysis NAMES clangAnalysis HINTS ${CLANG_SEARCH})
find_library(libclangAST NAMES clangAST HINTS ${CLANG_SEARCH})
find_library(libclangBasic NAMES clangBasic HINTS ${CLANG_SEARCH})
find_library(libclangCodeGen NAMES clangCodeGen HINTS ${CLANG_SEARCH})
find_library(libclangDriver NAMES clangDriver HINTS ${CLANG_SEARCH})
find_library(libclangEdit NAMES clangEdit HINTS ${CLANG_SEARCH})
find_library(libclangFrontend NAMES clangFrontend HINTS ${CLANG_SEARCH})
find_library(libclangLex NAMES clangLex HINTS ${CLANG_SEARCH})
find_library(libclangParse NAMES clangParse HINTS ${CLANG_SEARCH})
find_library(libclangRewrite NAMES clangRewrite HINTS ${CLANG_SEARCH})
find_library(libclangSema NAMES clangSema HINTS ${CLANG_SEARCH})
find_library(libclangSerialization NAMES clangSerialization HINTS ${CLANG_SEARCH})
if(libclangBasic STREQUAL "libclangBasic-NOTFOUND")
message(FATAL_ERROR "Unable to find clang libraries")
endif()
FOREACH(DIR ${LLVM_INCLUDE_DIRS})
include_directories("${DIR}/../tools/clang/include")
ENDFOREACH()
# Set to a string path if system places kernel lib directory in
# non-default location.
if(NOT DEFINED BCC_KERNEL_MODULES_DIR)
set(BCC_KERNEL_MODULES_DIR "/lib/modules")
endif()
find_package(LibElf REQUIRED)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
# As reported in issue #735, GCC 6 has some behavioral problems when
# dealing with -isystem. Hence, skip the warning optimization
# altogether on that compiler.
option(USINGISYSTEM "using -isystem" ON)
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
if (USINGISYSTEM AND GCC_VERSION VERSION_LESS 6.0)
# iterate over all available directories in LLVM_INCLUDE_DIRS to
# generate a correctly tokenized list of parameters
foreach(ONE_LLVM_INCLUDE_DIR ${LLVM_INCLUDE_DIRS})
set(CXX_ISYSTEM_DIRS "${CXX_ISYSTEM_DIRS} -isystem ${ONE_LLVM_INCLUDE_DIR}")
endforeach()
endif()
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
if(COMPILER_SUPPORTS_CXX11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
else()
message(FATAL_ERROR "Compiler ${CMAKE_CXX_COMPILER} has no C++11 support.")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall ${CXX_ISYSTEM_DIRS}")
endif()
add_subdirectory(examples)
add_subdirectory(man)
add_subdirectory(src)
add_subdirectory(tests)
add_subdirectory(tools)