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llvm-project/polly/CMakeLists.txt
Michael Kruse 792a6fcc57 [CMake] Use object library to build the two flavours of Polly. 
Polly comes in two library flavors: One loadable module to use the
LLVM framework -load mechanism, and another one that host applications
can link to. These have very different requirements for Polly's
own dependencies.

The loadable module assumes that all its LLVM dependencies are already
available in the address space of the host application, and is not allowed
to bring in its own copy of any LLVM library (including the NVPTX
backend in case of Polly-ACC).

The non-module library is intended to be linked to using
target_link_libraries. CMake would then resolve all of its dependencies,
including NVPTX and ensure that only a single instance of each library
will be used.

Differential Revision: https://reviews.llvm.org/D32442

llvm-svn: 301558
2017-04-27 16:13:03 +00:00

257 lines
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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 3.4.3)
# Where is LLVM installed?
set(LLVM_INSTALL_ROOT "" CACHE PATH "Root of LLVM install.")
# Check if the LLVM_INSTALL_ROOT valid.
if( NOT EXISTS ${LLVM_INSTALL_ROOT}/include/llvm )
message(FATAL_ERROR "LLVM_INSTALL_ROOT (${LLVM_INSTALL_ROOT}) is not a valid LLVM installation.")
endif(NOT EXISTS ${LLVM_INSTALL_ROOT}/include/llvm)
# FileCheck, not and llvm-lit are not install by default, warn the user to copy them.
if( NOT EXISTS ${LLVM_INSTALL_ROOT}/bin/FileCheck
OR NOT EXISTS ${LLVM_INSTALL_ROOT}/bin/not
OR NOT EXISTS ${LLVM_INSTALL_ROOT}/bin/llvm-lit )
message(WARNING "'FileCheck', 'not' and 'llvm-lit' are required by running regress tests, "
"but they are not installed! Please copy them to "
"${LLVM_INSTALL_ROOT}/bin.")
endif()
# Add the llvm header path.
include_directories(${LLVM_INSTALL_ROOT}/include/)
# Get LLVM's own libraries.
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --libs
OUTPUT_VARIABLE LLVM_LIBS
OUTPUT_STRIP_TRAILING_WHITESPACE)
# Get the system librarys that will link into LLVM.
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --system-libs
OUTPUT_VARIABLE LLVM_SYSTEM_LIBS
OUTPUT_STRIP_TRAILING_WHITESPACE)
message(STATUS "System libs required by LLVM: ${LLVM_SYSTEM_LIBS}")
# Determine where LLVM stores its libraries.
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --libdir
OUTPUT_VARIABLE LLVM_LIBRARY_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE)
link_directories("${LLVM_LIBRARY_DIR}")
# Now set the header paths.
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --includedir
OUTPUT_VARIABLE LLVM_INCLUDE_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE)
include_directories( ${LLVM_INCLUDE_DIR} )
# Get the TARGET_TRIPLE
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --host-target
OUTPUT_VARIABLE TARGET_TRIPLE
OUTPUT_STRIP_TRAILING_WHITESPACE)
# And then set the cxx flags.
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --cxxflags
OUTPUT_VARIABLE LLVM_CXX_FLAGS
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} ${LLVM_CXX_FLAGS})
# Check LLVM_ENABLE_ASSERTIONS
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --assertion-mode
OUTPUT_VARIABLE LLVM_ENABLE_ASSERTIONS
OUTPUT_STRIP_TRAILING_WHITESPACE)
# Copied from LLVM's HandleLLVMOptions.cmake
if( LLVM_ENABLE_ASSERTIONS )
# MSVC doesn't like _DEBUG on release builds. See PR 4379.
if( NOT MSVC )
add_definitions( -D_DEBUG )
endif()
# On non-Debug builds cmake automatically defines NDEBUG, so we
# explicitly undefine it:
if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
add_definitions( -UNDEBUG )
# Also remove /D NDEBUG to avoid MSVC warnings about conflicting defines.
foreach (flags_var_to_scrub
CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_C_FLAGS_MINSIZEREL)
string (REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " "
"${flags_var_to_scrub}" "${${flags_var_to_scrub}}")
endforeach()
endif()
endif()
# Sources available, too?
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --src-root
OUTPUT_VARIABLE MAIN_SRC_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(LLVM_SOURCE_ROOT ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
# Enable unit tests if available.
set(UNITTEST_DIR ${LLVM_SOURCE_ROOT}/utils/unittest)
if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h)
add_library(gtest
${UNITTEST_DIR}/googletest/src/gtest-all.cc
${UNITTEST_DIR}/googlemock/src/gmock-all.cc
)
target_include_directories(gtest
PUBLIC
"${UNITTEST_DIR}/googletest/include"
"${UNITTEST_DIR}/googlemock/include"
PRIVATE
"${UNITTEST_DIR}/googletest"
"${UNITTEST_DIR}/googlemock"
)
target_link_libraries(gtest -lpthread)
add_library(gtest_main ${UNITTEST_DIR}/UnitTestMain/TestMain.cpp)
target_link_libraries(gtest_main gtest)
set(POLLY_GTEST_AVAIL 1)
endif()
# Make sure the isl c files are built as fPIC
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
# 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})
# Add path for custom modules
set(CMAKE_MODULE_PATH
${CMAKE_MODULE_PATH}
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
)
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 ()
# Add path for custom modules
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${POLLY_SOURCE_DIR}/cmake")
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
option(POLLY_ENABLE_GPGPU_CODEGEN "Enable GPGPU code generation feature" OFF)
if (POLLY_ENABLE_GPGPU_CODEGEN)
# Do not require CUDA, as GPU code generation test cases can be run without
# a cuda library.
FIND_PACKAGE(CUDA)
set(GPU_CODEGEN TRUE)
else(POLLY_ENABLE_GPGPU_CODEGEN)
set(GPU_CODEGEN FALSE)
endif(POLLY_ENABLE_GPGPU_CODEGEN)
# Support GPGPU code generation if the library is available.
if (CUDALIB_FOUND)
INCLUDE_DIRECTORIES( ${CUDALIB_INCLUDE_DIR} )
endif(CUDALIB_FOUND)
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/JSON/include
${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 include
FILES_MATCHING
PATTERN "*.h"
PATTERN ".svn" EXCLUDE
)
install(DIRECTORY ${POLLY_BINARY_DIR}/include/
DESTINATION include
FILES_MATCHING
PATTERN "*.h"
PATTERN "CMakeFiles" EXCLUDE
PATTERN ".svn" 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(tools)
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)
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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