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# Check if this is a in tree build.
if (NOT DEFINED LLVM_MAIN_SRC_DIR)
project(Polly)
cmake_minimum_required(VERSION 3.13.4)
if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
message(WARNING
"Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
"minimum version of CMake required to build LLVM will become 3.20.0, and "
"using an older CMake will become an error. Please upgrade your CMake to "
"at least 3.20.0 now to avoid issues in the future!")
endif()
set(POLLY_STANDALONE_BUILD TRUE)
endif()
# Must go below project(..)
include(GNUInstallDirs)
if(POLLY_STANDALONE_BUILD)
# Where is LLVM installed?
find_package(LLVM CONFIG REQUIRED)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${LLVM_CMAKE_DIR})
include(HandleLLVMOptions)
include(AddLLVM)
# Add the llvm header path.
include_directories(${LLVM_INCLUDE_DIRS})
# Sources available, too?
if (LLVM_BUILD_MAIN_SRC_DIR)
set(default_llvm_src "${LLVM_BUILD_MAIN_SRC_DIR}")
else()
set(default_llvm_src "${CMAKE_CURRENT_SOURCE_DIR}/../llvm")
endif()
set(LLVM_SOURCE_ROOT ${default_llvm_src} CACHE PATH "Path to LLVM source tree")
# Enable unit tests if available.
set(POLLY_GTEST_AVAIL 0)
set(UNITTEST_DIR ${LLVM_THIRD_PARTY_DIR}/unittest)
if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h)
if (NOT TARGET gtest)
add_subdirectory(${UNITTEST_DIR} third-party/unittest)
endif()
set(POLLY_GTEST_AVAIL 1)
endif()
if (LLVM_ENABLE_PIC)
# Make sure the isl c files are built as fPIC if possible
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
endif ()
# Set directory for polly-isl-test.
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
else ()
set(LLVM_SOURCE_ROOT "${LLVM_MAIN_SRC_DIR}")
set(POLLY_GTEST_AVAIL 1)
endif ()
set(POLLY_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(POLLY_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${POLLY_SOURCE_DIR}/../cmake)
endif()
# Make sure that our source directory is on the current cmake module path so that
# we can include cmake files from this directory.
list(INSERT CMAKE_MODULE_PATH 0
"${POLLY_SOURCE_DIR}/cmake"
"${LLVM_COMMON_CMAKE_UTILS}/Modules"
)
include("polly_macros")
# Add appropriate flags for GCC
if (CMAKE_COMPILER_IS_GNUCXX)
# FIXME: Turn off exceptions, RTTI:
# -fno-exceptions -fno-rtti
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings -fno-exceptions -fno-rtti")
elseif (MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHs-c-")
add_definitions("-D_HAS_EXCEPTIONS=0")
else ()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -fno-rtti")
endif ()
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
option(POLLY_BUNDLED_ISL "Use the bundled version of libisl included in Polly" ON)
if (NOT POLLY_BUNDLED_ISL)
find_package(ISL MODULE REQUIRED)
message(STATUS "Using external libisl ${ISL_VERSION} in: ${ISL_PREFIX}")
set(ISL_TARGET ISL)
else()
set(ISL_INCLUDE_DIRS
${CMAKE_CURRENT_BINARY_DIR}/lib/External/isl/include
${CMAKE_CURRENT_SOURCE_DIR}/lib/External/isl/include
)
set(ISL_TARGET PollyISL)
endif()
include_directories(
BEFORE
${CMAKE_CURRENT_SOURCE_DIR}/include
${ISL_INCLUDE_DIRS}
${CMAKE_CURRENT_SOURCE_DIR}/lib/External/pet/include
${CMAKE_CURRENT_SOURCE_DIR}/lib/External
${CMAKE_CURRENT_BINARY_DIR}/include
)
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
install(DIRECTORY include/
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
FILES_MATCHING
PATTERN "*.h"
)
install(DIRECTORY ${POLLY_BINARY_DIR}/include/
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
FILES_MATCHING
PATTERN "*.h"
PATTERN "CMakeFiles" EXCLUDE
)
endif()
add_definitions( -D_GNU_SOURCE )
add_subdirectory(docs)
add_subdirectory(lib)
add_subdirectory(test)
if (POLLY_GTEST_AVAIL)
add_subdirectory(unittests)
endif ()
add_subdirectory(cmake)
# TODO: docs.
configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/include/polly/Config/config.h.cmake
${POLLY_BINARY_DIR}/include/polly/Config/config.h )
# Add target to check formatting of polly files
file( GLOB_RECURSE files *.h lib/*.cpp lib/*.c tools/*.cpp tools/*.c tools/*.h unittests/*.cpp)
file( GLOB_RECURSE external lib/External/*.h lib/External/*.c lib/External/*.cpp isl_config.h)
list( REMOVE_ITEM files ${external})
set(check_format_depends)
set(update_format_depends)
set(i 0)
foreach (file IN LISTS files)
add_custom_command(OUTPUT polly-check-format${i}
COMMAND clang-format -sort-includes -style=llvm ${file} | diff -u ${file} -
VERBATIM
COMMENT "Checking format of ${file}..."
)
list(APPEND check_format_depends "polly-check-format${i}")
add_custom_command(OUTPUT polly-update-format${i}
COMMAND clang-format -sort-includes -i -style=llvm ${file}
VERBATIM
COMMENT "Updating format of ${file}..."
)
list(APPEND update_format_depends "polly-update-format${i}")
math(EXPR i ${i}+1)
endforeach ()
add_custom_target(polly-check-format DEPENDS ${check_format_depends})
set_target_properties(polly-check-format PROPERTIES FOLDER "Polly")
add_custom_target(polly-update-format DEPENDS ${update_format_depends})
set_target_properties(polly-update-format PROPERTIES FOLDER "Polly")
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