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