CMakeLists.txt

   1 # Check if this is a in tree build.
   2 if (NOT DEFINED LLVM_MAIN_SRC_DIR)
   3   project(Polly)
   4   cmake_minimum_required(VERSION 3.4.3)
   5
   6   # Where is LLVM installed?
   7   set(LLVM_INSTALL_ROOT "" CACHE PATH "Root of LLVM install.")
   8   # Check if the LLVM_INSTALL_ROOT valid.
   9   if( NOT EXISTS ${LLVM_INSTALL_ROOT}/include/llvm )
  10     message(FATAL_ERROR "LLVM_INSTALL_ROOT (${LLVM_INSTALL_ROOT}) is not a valid LLVM installation.")
  11   endif(NOT EXISTS ${LLVM_INSTALL_ROOT}/include/llvm)
  12   # FileCheck, not and llvm-lit are not install by default, warn the user to copy them.
  13   if( NOT EXISTS ${LLVM_INSTALL_ROOT}/bin/FileCheck
  14       OR NOT EXISTS ${LLVM_INSTALL_ROOT}/bin/not
  15       OR NOT EXISTS ${LLVM_INSTALL_ROOT}/bin/llvm-lit )
  16     message(WARNING "'FileCheck', 'not' and 'llvm-lit' are required by running regress tests, "
  17                     "but they are not installed! Please copy them to "
  18                     "${LLVM_INSTALL_ROOT}/bin.")
  19   endif()
  20   # Add the llvm header path.
  21   include_directories(${LLVM_INSTALL_ROOT}/include/)
  22
  23   # Get LLVM's own libraries.
  24   execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --libs
  25                   OUTPUT_VARIABLE LLVM_LIBS
  26                   OUTPUT_STRIP_TRAILING_WHITESPACE)
  27
  28   # Get the system librarys that will link into LLVM.
  29   execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --system-libs
  30                   OUTPUT_VARIABLE LLVM_SYSTEM_LIBS
  31                   OUTPUT_STRIP_TRAILING_WHITESPACE)
  32   message(STATUS "System libs required by LLVM: ${LLVM_SYSTEM_LIBS}")
  33
  34   # Determine where LLVM stores its libraries.
  35   execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --libdir
  36                   OUTPUT_VARIABLE LLVM_LIBRARY_DIR
  37                   OUTPUT_STRIP_TRAILING_WHITESPACE)
  38   link_directories("${LLVM_LIBRARY_DIR}")
  39
  40   # Now set the header paths.
  41   execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --includedir
  42                   OUTPUT_VARIABLE LLVM_INCLUDE_DIR
  43                   OUTPUT_STRIP_TRAILING_WHITESPACE)
  44   include_directories( ${LLVM_INCLUDE_DIR} )
  45
  46   # Get the TARGET_TRIPLE
  47   execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --host-target
  48                   OUTPUT_VARIABLE TARGET_TRIPLE
  49                   OUTPUT_STRIP_TRAILING_WHITESPACE)
  50
  51   # And then set the cxx flags.
  52   execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --cxxflags
  53                   OUTPUT_VARIABLE LLVM_CXX_FLAGS
  54                   OUTPUT_STRIP_TRAILING_WHITESPACE)
  55   set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} ${LLVM_CXX_FLAGS})
  56
  57   # Check LLVM_ENABLE_ASSERTIONS
  58   execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --assertion-mode
  59                   OUTPUT_VARIABLE LLVM_ENABLE_ASSERTIONS
  60                   OUTPUT_STRIP_TRAILING_WHITESPACE)
  61   # Copied from LLVM's HandleLLVMOptions.cmake
  62   if( LLVM_ENABLE_ASSERTIONS )
  63     # MSVC doesn't like _DEBUG on release builds. See PR 4379.
  64     if( NOT MSVC )
  65       add_definitions( -D_DEBUG )
  66     endif()
  67     # On non-Debug builds cmake automatically defines NDEBUG, so we
  68     # explicitly undefine it:
  69     if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
  70       add_definitions( -UNDEBUG )
  71       # Also remove /D NDEBUG to avoid MSVC warnings about conflicting defines.
  72       foreach (flags_var_to_scrub
  73           CMAKE_CXX_FLAGS_RELEASE
  74           CMAKE_CXX_FLAGS_RELWITHDEBINFO
  75           CMAKE_CXX_FLAGS_MINSIZEREL
  76           CMAKE_C_FLAGS_RELEASE
  77           CMAKE_C_FLAGS_RELWITHDEBINFO
  78           CMAKE_C_FLAGS_MINSIZEREL)
  79         string (REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " "
  80           "${flags_var_to_scrub}" "${${flags_var_to_scrub}}")
  81       endforeach()
  82     endif()
  83   endif()
  84
  85   # Sources available, too?
  86   execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --src-root
  87                   OUTPUT_VARIABLE MAIN_SRC_DIR
  88                   OUTPUT_STRIP_TRAILING_WHITESPACE)
  89   set(LLVM_SOURCE_ROOT ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
  90
  91   # Enable unit tests if available.
  92   set(UNITTEST_DIR ${LLVM_SOURCE_ROOT}/utils/unittest)
  93   if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h)
  94     add_library(gtest
  95       ${UNITTEST_DIR}/googletest/src/gtest-all.cc
  96       ${UNITTEST_DIR}/googlemock/src/gmock-all.cc
  97     )
  98     target_include_directories(gtest
  99       PUBLIC
 100       "${UNITTEST_DIR}/googletest/include"
 101       "${UNITTEST_DIR}/googlemock/include"
 102
 103       PRIVATE
 104       "${UNITTEST_DIR}/googletest"
 105       "${UNITTEST_DIR}/googlemock"
 106     )
 107     target_link_libraries(gtest -lpthread)
 108
 109     add_library(gtest_main ${UNITTEST_DIR}/UnitTestMain/TestMain.cpp)
 110     target_link_libraries(gtest_main gtest)
 111
 112     set(POLLY_GTEST_AVAIL 1)
 113   endif()
 114
 115   # Make sure the isl c files are built as fPIC
 116   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
 117
 118   # Set directory for polly-isl-test.
 119   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
 120 else ()
 121   set(LLVM_SOURCE_ROOT "${LLVM_MAIN_SRC_DIR}")
 122   set(POLLY_GTEST_AVAIL 1)
 123 endif ()
 124
 125 set(POLLY_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 126 set(POLLY_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
 127
 128 # Add path for custom modules
 129 set(CMAKE_MODULE_PATH
 130   ${CMAKE_MODULE_PATH}
 131   "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
 132   )
 133
 134 include("polly_macros")
 135
 136 # Add appropriate flags for GCC
 137 if (CMAKE_COMPILER_IS_GNUCXX)
 138   # FIXME: Turn off exceptions, RTTI:
 139   # -fno-exceptions -fno-rtti
 140   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings -fno-exceptions -fno-rtti")
 141 elseif (MSVC)
 142   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHs-c-")
 143   add_definitions("-D_HAS_EXCEPTIONS=0")
 144 else ()
 145   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -fno-rtti")
 146 endif ()
 147
 148 # Add path for custom modules
 149 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${POLLY_SOURCE_DIR}/cmake")
 150
 151 SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
 152
 153 option(POLLY_ENABLE_GPGPU_CODEGEN "Enable GPGPU code generation feature" OFF)
 154 if (POLLY_ENABLE_GPGPU_CODEGEN)
 155   # Do not require CUDA/OpenCL, as GPU code generation test cases can be run
 156   # without a CUDA/OpenCL library.
 157   FIND_PACKAGE(CUDA)
 158   FIND_PACKAGE(OpenCL)
 159   set(GPU_CODEGEN TRUE)
 160 else(POLLY_ENABLE_GPGPU_CODEGEN)
 161   set(GPU_CODEGEN FALSE)
 162 endif(POLLY_ENABLE_GPGPU_CODEGEN)
 163
 164
 165 # Support GPGPU code generation if the library is available.
 166 if (CUDALIB_FOUND)
 167   add_definitions(-DHAS_LIBCUDART)
 168   INCLUDE_DIRECTORIES( ${CUDALIB_INCLUDE_DIR} )
 169 endif(CUDALIB_FOUND)
 170 if (OpenCL_FOUND)
 171   add_definitions(-DHAS_LIBOPENCL)
 172   INCLUDE_DIRECTORIES( ${OpenCL_INCLUDE_DIR} )
 173 endif(OpenCL_FOUND)
 174
 175 option(POLLY_BUNDLED_ISL "Use the bundled version of libisl included in Polly" ON)
 176 if (NOT POLLY_BUNDLED_ISL)
 177   find_package(ISL MODULE REQUIRED)
 178   message(STATUS "Using external libisl ${ISL_VERSION} in: ${ISL_PREFIX}")
 179   set(ISL_TARGET ISL)
 180 else()
 181   set(ISL_INCLUDE_DIRS
 182     ${CMAKE_CURRENT_BINARY_DIR}/lib/External/isl/include
 183     ${CMAKE_CURRENT_SOURCE_DIR}/lib/External/isl/include
 184   )
 185   set(ISL_TARGET PollyISL)
 186 endif()
 187
 188 option(POLLY_BUNDLED_JSONCPP "Use the bundled version of jsoncpp included in Polly" ON)
 189 if (POLLY_BUNDLED_JSONCPP)
 190   set(JSONCPP_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/lib/External/JSON/include")
 191   set(JSONCPP_LIBRARIES)
 192   set(POLLY_JSON_FILES
 193     External/JSON/json_reader.cpp
 194     External/JSON/json_value.cpp
 195     External/JSON/json_writer.cpp
 196   )
 197 else ()
 198   find_package(Jsoncpp REQUIRED)
 199   set(POLLY_JSON_FILES)
 200 endif ()
 201
 202 include_directories(
 203   BEFORE
 204   ${CMAKE_CURRENT_SOURCE_DIR}/include
 205   ${ISL_INCLUDE_DIRS}
 206   ${JSONCPP_INCLUDE_DIRS}
 207   ${CMAKE_CURRENT_SOURCE_DIR}/lib/External/pet/include
 208   ${CMAKE_CURRENT_SOURCE_DIR}/lib/External
 209   ${CMAKE_CURRENT_BINARY_DIR}/include
 210   )
 211
 212 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
 213   install(DIRECTORY include/
 214     DESTINATION include
 215     FILES_MATCHING
 216     PATTERN "*.h"
 217     PATTERN ".svn" EXCLUDE
 218     )
 219
 220   install(DIRECTORY ${POLLY_BINARY_DIR}/include/
 221     DESTINATION include
 222     FILES_MATCHING
 223     PATTERN "*.h"
 224     PATTERN "CMakeFiles" EXCLUDE
 225     PATTERN ".svn" EXCLUDE
 226     )
 227 endif()
 228
 229 add_definitions( -D_GNU_SOURCE )
 230
 231 add_subdirectory(docs)
 232 add_subdirectory(lib)
 233 add_subdirectory(test)
 234 if (POLLY_GTEST_AVAIL)
 235   add_subdirectory(unittests)
 236 endif ()
 237 add_subdirectory(tools)
 238 add_subdirectory(cmake)
 239 # TODO: docs.
 240
 241
 242 configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/include/polly/Config/config.h.cmake
 243                 ${POLLY_BINARY_DIR}/include/polly/Config/config.h )
 244
 245 # Add target to check formatting of polly files
 246 file( GLOB_RECURSE files *.h lib/*.cpp lib/*.c tools/*.cpp tools/*.c tools/*.h unittests/*.cpp)
 247 file( GLOB_RECURSE external lib/External/*.h lib/External/*.c lib/External/*.cpp isl_config.h)
 248 list( REMOVE_ITEM files ${external})
 249
 250 set(check_format_depends)
 251 set(update_format_depends)
 252 set(i 0)
 253 foreach (file IN LISTS files)
 254   add_custom_command(OUTPUT polly-check-format${i}
 255     COMMAND clang-format -sort-includes -style=llvm ${file} | diff -u ${file} -
 256     VERBATIM
 257     COMMENT "Checking format of ${file}..."
 258   )
 259   list(APPEND check_format_depends "polly-check-format${i}")
 260
 261   add_custom_command(OUTPUT polly-update-format${i}
 262     COMMAND clang-format -sort-includes -i -style=llvm ${file}
 263     VERBATIM
 264     COMMENT "Updating format of ${file}..."
 265   )
 266   list(APPEND update_format_depends "polly-update-format${i}")
 267
 268   math(EXPR i ${i}+1)
 269 endforeach ()
 270
 271 add_custom_target(polly-check-format DEPENDS ${check_format_depends})
 272 set_target_properties(polly-check-format PROPERTIES FOLDER "Polly")
 273
 274 add_custom_target(polly-update-format DEPENDS ${update_format_depends})
 275 set_target_properties(polly-update-format PROPERTIES FOLDER "Polly")
 276