#=============================================================================
#   CMake build system files
#
#   Copyright (c) 2014 pocl developers
#
#   Permission is hereby granted, free of charge, to any person obtaining a copy
#   of this software and associated documentation files (the "Software"), to deal
#   in the Software without restriction, including without limitation the rights
#   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#   copies of the Software, and to permit persons to whom the Software is
#   furnished to do so, subject to the following conditions:
#
#   The above copyright notice and this permission notice shall be included in
#   all copies or substantial portions of the Software.
#
#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#   THE SOFTWARE.
#
#=============================================================================

cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)

project(pocl)
set(MAJOR_VERSION 0)
set(MINOR_VERSION 11)
set(VERSION_SUFFIX "")
set(VERSION_STRING ${MAJOR_VERSION}.${MINOR_VERSION}${VERSION_SUFFIX})
set(POCL_VERSION ${VERSION_STRING})



######################################################################################

if(UNIX)
  include(GNUInstallDirs)
else()
  if (WIN32)
    set(CMAKE_INSTALL_PREFIX ${CMAKE_BINARY_DIR}/install)
    set(${CMAKE_INSTALL_LIBDIR} "lib")
    set(${CMAKE_INSTALL_DATADIR} "share")
    set(${CMAKE_INSTALL_INCLUDEDIR} "include")
    set(${CMAKE_INSTALL_BINDIR} "bin")
    message(STATUS "Setting installation destination on Windows to: ${CMAKE_INSTALL_PREFIX}")
  else()
    message(FATAL_ERROR "not implemented yet")    
  endif()
endif()

# for libpocl.so
set(POCL_INSTALL_PUBLIC_LIBDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}" CACHE PATH "POCL public libdir")

# for llvmopencl.so
set(POCL_INSTALL_PRIVATE_LIBDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/pocl" CACHE PATH "POCL private libdir")

# for pocl.icd
if (UNIX AND NOT CMAKE_CROSSCOMPILING)
  set(POCL_INSTALL_ICD_VENDORDIR "/etc/OpenCL/vendors" CACHE PATH "POCL ICD file destination")
else()
  set(POCL_INSTALL_ICD_VENDORDIR "${CMAKE_INSTALL_PREFIX}/etc/OpenCL/vendors" CACHE PATH "POCL ICD file destination")
endif()

# for kernel-<target>.bc
set(POCL_INSTALL_PRIVATE_DATADIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/pocl" CACHE PATH "POCL private datadir")

# for poclu.h
set(POCL_INSTALL_PUBLIC_HEADER_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}" CACHE PATH "POCL public header dir")

# for _kernel.h et al
set(POCL_INSTALL_PRIVATE_HEADER_DIR "${POCL_INSTALL_PRIVATE_DATADIR}/include" CACHE PATH "POCL private header dir")

# for pocl-standalone et al
set(POCL_INSTALL_PUBLIC_BINDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}" CACHE PATH "POCL public bindir")

# for PoclConfig.cmake & stuff
set(POCL_INSTALL_CMAKE_CONFIG_DIR "${POCL_INSTALL_PRIVATE_LIBDIR}" CACHE PATH   "Installation directory for CMake files")

# TODO maybe use output of pkg-config --variable=pc_path pkg-config ?
set(POCL_INSTALL_PKGCONFIG_DIR "${POCL_INSTALL_PUBLIC_LIBDIR}/pkgconfig" CACHE PATH "Destination for pocl.pc")

if(APPLE)
  set(POCL_INSTALL_OPENCL_HEADER_DIR "${POCL_INSTALL_PUBLIC_HEADER_DIR}/OpenCL" CACHE PATH "POCL header dir for OpenCL headers")
else()
  set(POCL_INSTALL_OPENCL_HEADER_DIR "${POCL_INSTALL_PUBLIC_HEADER_DIR}/CL" CACHE PATH "POCL header dir for OpenCL headers")
endif()

option(BUILD_SHARED_LIBS "ON=Build shared libs, OFF=static libs" ON)

# TODO measure slowdown with compiled but disabled debug, see if it can default to always compile in
option(
  POCL_DEBUG_MESSAGES
  "Enable debug messages from pocl (useful for OpenCL developers), must be enabled at runtime, with env var POCL_DEBUG"
  OFF)

# required b/c SHARED libs defaults to ON while OBJECT defaults to OFF
set(CMAKE_POSITION_INDEPENDENT_CODE ON)

######################################################################################
# AC_CONFIG_TESTDIR([tests])
enable_testing()

######################################################################################

if (UNIX)
  find_package(PkgConfig MODULE REQUIRED)
endif()

######################################################################################
set(ANDROID_COMPILER 0)
if (CMAKE_C_COMPILER MATCHES "android")
  set(ANDROID_COMPILER 1)
  add_definitions(-DPOCL_ANDROID)
  add_definitions(-DPOCL_ANDROID_PREFIX="/data/data/org.pocl.libs/files")
endif ()

######################################################################################

set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
find_package( Hwloc )

if(NOT Hwloc_FOUND)
  message(FATAL_ERROR "hwloc package is required!")
endif()

if("${Hwloc_VERSION}" VERSION_LESS "1.0")
  message(FATAL_ERROR "Hwloc version must be >= 1.0 !")
endif()

message(STATUS "Hwloc_VERSION ${Hwloc_VERSION}")
message(STATUS "Hwloc_LDFLAGS ${Hwloc_LDFLAGS}")
message(STATUS "Hwloc_CFLAGS ${Hwloc_CFLAGS}")

######################################################################################
#
# Find executables to few tools required during build 
#

find_program (PATCH_EXEC 
  NAMES patch patch.exe
  HINTS ENV PATH
)

find_program (XARGS_EXEC 
  NAMES xargs xargs.exe
  HINTS ENV PATH
)

find_program (CAT_EXEC 
  NAMES cat cat.exe
  HINTS ENV PATH
)

if (!PATCH_EXEC)
  message(FATAL_ERROR "Could not find patch command.")
endif()

######################################################################################

set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
include(LLVM RESULT_VARIABLE RES)
if(NOT RES)
  message(FATAL_ERROR "Could not load LLVM.cmake")
endif()

if("${LLVM_VERSION}" VERSION_LESS "3.2")
  message(FATAL_ERROR "POCL requires LLVM version >= 3.2 !")
endif()

######################################################################################

# if variable FEATURE_X isnt defined, sets it to DEFAULT_FEATURE_X;
# also, if DEFAULT_FEATURE_X is 0, prevents FEATURE_X being 1
# since it takes DEFAULT_FEATURE_X=0 to mean "FEATURE_X is unavailable"
macro(setup_cached_var VARNAME DESCRIPTION DOCS_FEATURE_IS_UNAVAILABLE DOCS_REQUESTED_DISABLING_FEATURE)

  if(DEFINED ${VARNAME})
    set(_CACHED "(cached)")
  else()
    set(_CACHED "")
    set(${VARNAME} ${DEFAULT_${VARNAME}})
  endif()

  if(${VARNAME} AND (NOT ${DEFAULT_${VARNAME}}))
    message(WARNING "${DOCS_FEATURE_IS_UNAVAILABLE}")
    set(${VARNAME} 0)
    set(_CACHED "(override)")
  endif()
  if((NOT ${VARNAME}) AND ${DEFAULT_${VARNAME}} )
    message(STATUS "${DOCS_REQUESTED_DISABLING_FEATURE}")
  endif()
  if(${VARNAME})
    message(STATUS "${DESCRIPTION} ${_CACHED}: 1")
  else()
    message(STATUS "${DESCRIPTION} ${_CACHED}: 0")
  endif()
endmacro()


######################################################################################

if(NOT DEFINED DEFAULT_ENABLE_DOCS)
  include(Sphinx RESULT_VARIABLE RES)
  if(SPHINX_EXECUTABLE)
    set(DEFAULT_ENABLE_DOCS 1 CACHE INTERNAL "Enable building of documentation")
  else()
    set(DEFAULT_ENABLE_DOCS 0 CACHE INTERNAL "Enable building of documentation")
  endif()
endif()


setup_cached_var(ENABLE_DOCS "Documentation building"
  "Requested enabling documentation, but could not find Sphinx ! -> disabling docs.."
  "Sphinx found, but requested disabling docs")

######################################################################################

include(CheckCSourceCompiles)
CHECK_C_SOURCE_COMPILES("
#include <time.h>
int main() {
  struct timespec pocl_debug_timespec;
  clock_gettime(CLOCK_REALTIME, &pocl_debug_timespec);
  return 0;
}
" HAVE_CLOCK_GETTIME)

######################################################################################

set(NEW_PRINTF_WORKS 1)

if("${LLVM_VERSION}" VERSION_LESS "3.4")
  message(STATUS "Turning off new printf()")
  set(NEW_PRINTF_WORKS 0)
else()
  message(STATUS "Enabling new printf()")
endif()

######################################################################################

if(NOT DEFINED DEFAULT_USE_VECMATHLIB)
  # vecmathlib
  if(CLANGXX_WORKS AND EXISTS "${CMAKE_SOURCE_DIR}/lib/kernel/vecmathlib/vecmathlib.h")
    set(DEFAULT_USE_VECMATHLIB 1 CACHE INTERNAL "vecmathlib availability")
  else()
    set(DEFAULT_USE_VECMATHLIB 0 CACHE INTERNAL "vecmathlib availability")
  endif()
endif()

setup_cached_var(USE_VECMATHLIB "Vecmathlib use"
  "Requested enabling vecmathlib use, but either clang++ doesnt work or vecmathlib sources are missing.. -> disabling vecmathlib use"
  "Vecmathlib is usable, but requested disabling it")

######################################################################################

if(UNIX)
  if(APPLE)
    # MacOS ld outputs useless warnings like
    # ld: warning: -macosx_version_min not specificed, assuming 10.7
    # suppress them with -w.
    set(DEFAULT_HOST_LD_FLAGS "-Wl,-dylib -lm")
  elseif(ANDROID_COMPILER)
    set(DEFAULT_HOST_LD_FLAGS "-L/system/lib/ -shared -ldl -lc -lm /system/lib/crtbegin_so.o /system/lib/crtend_so.o")
  else()
    set(DEFAULT_HOST_LD_FLAGS "-shared -lm")
  endif()
  # TODO win..
endif()

######################################################################################

option(USE_VECMATHLIB_BUILTINS_ONLY "Use only __builtin_* functions in the kernel library." OFF)

if(USE_VECMATHLIB)
  set(DEFAULT_KERNEL_CLANGXX_FLAGS "-DVML_NO_IOSTREAM ${CLANGXX_STDLIB}")
endif()
set(DEFAULT_KERNEL_CL_FLAGS "-D__OPENCL_VERSION__=120")

if(USE_VECMATHLIB_BUILTINS_ONLY AND USE_VECMATHLIB)
  set(DEFAULT_KERNEL_CL_FLAGS "${DEFAULT_KERNEL_CL_FLAGS} -DPOCL_VECMATHLIB_BUILTIN")
  set(DEFAULT_KERNEL_CLANGXX_FLAGS "${DEFAULT_KERNEL_CLANGXX_FLAGS} -DPOCL_VECMATHLIB_BUILTIN")
endif()

if(NOT DEFINED KERNEL_CLANGXX_FLAGS)
  set(KERNEL_CLANGXX_FLAGS "${DEFAULT_KERNEL_CLANGXX_FLAGS}")
endif()
if(NOT DEFINED KERNEL_CL_FLAGS)
  set(KERNEL_CL_FLAGS "${DEFAULT_KERNEL_CL_FLAGS}")
endif()

message(STATUS "Clang++ flags for compiling kernel library: ${KERNEL_CLANGXX_FLAGS}")
message(STATUS "OpenCL flags for compiling kernel library: ${KERNEL_CL_FLAGS}")


######################################################################################

# DONE
option(STATIC_LLVM "Link LLVM statically. Default is dynamic." OFF)

if(STATIC_LLVM)
  message(STATUS "Linking LLVM statically")
  set(POCL_LLVM_LIBS ${LLVM_LIBFILES})
else()
  message(STATUS "Trying to link LLVM dynamically")
  set(POCL_LLVM_LIBS "-lLLVM-${LLVM_VERSION}")
  find_library(LLVM_SHARED_LIB_FILE "LLVM-${LLVM_VERSION}" HINTS "${LLVM_LIBDIR}")
  if(LLVM_SHARED_LIB_FILE AND EXISTS "${LLVM_SHARED_LIB_FILE}")
    message(STATUS "..using ${LLVM_SHARED_LIB_FILE}")
    set(POCL_LLVM_LIBS "${LLVM_SHARED_LIB_FILE}")
  else()
    message(STATUS "LLVM-${LLVM_VERSION} library not found (Probably because LLVM is built with cmake).
    Linking libpocl (possibly statically) to LLVM_LIBFILES")
    set(POCL_LLVM_LIBS ${LLVM_LIBFILES})
  endif()
endif()

######################################################################################

option(CUSTOM_BUFFER_ALLOCATOR "Use a custom OpenCL optimized region-based memory allocator instead of allocating buffers with malloc directly" ON)

######################################################################################

# examples are in their own cmakelists.txt

######################################################################################

if(WIN32)
    message(STATUS "Using LoadLibrary/FreeLibrary in Windows, libltdl not needed.")
else()
  find_library(LTDL_LIB "ltdl")
  find_file(LTDL_H "ltdl.h")
  if(LTDL_LIB AND LTDL_H)
    message(STATUS "ltdl found")

    get_filename_component(LTDL_H_INCLUDE_DIR "${LTDL_H}" DIRECTORY)
    string(FIND "${CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES}" "${LTDL_H_INCLUDE_DIR}" LTPOSITION)
    # include the directory of ltdl.h, if its not in the default system include dirs
    if(LTPOSITION LESS "0")
      include_directories("${LTDL_H_INCLUDE_DIR}")
    endif()

  else()
    message(FATAL_ERROR "Could not find LTDL library!")
  endif()
endif()

######################################################################################

if (MSVC)
  set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
  find_package( PthreadsWin32 )
  if(NOT Pthreads_FOUND)
    message(FATAL_ERROR "Could not find pthreads-win32 libs!")
  endif()
  include_directories("${Pthreads_INCLUDE_DIRS}")
else()
  include(FindThreads)
  if(Threads_FOUND)
    set(LD_FLAGS_BIN ${CMAKE_THREAD_LIBS_INIT})
  else()
    message(FATAL_ERROR "Could not find threading library for this system")
  endif()
endif()


######################################################################################
# DONE

if (MSVC)
  message(STATUS "Building ICD not yet supported on Windows.")
  set(DEFAULT_ENABLE_ICD 0 CACHE INTERNAL "Going to use ICD loader")
  set(DEFAULT_DIRECT_LINKAGE 1 CACHE INTERNAL "Software links directly to pocl")
  set(DEFAULT_TESTS_USE_ICD 0 CACHE INTERNAL "Tests use ICD")
endif()

if(NOT DEFINED DEFAULT_ENABLE_ICD)

  pkg_check_modules(OCL_ICD ocl-icd>=1.3)

  if(OCL_ICD_FOUND)

    set(HAVE_OCL_ICD 1)
    set(OPENCL_FOUND 1 CACHE INTERNAL "opencl ICD/library found")
    set(OPENCL_LIBRARIES "OpenCL" CACHE INTERNAL "opencl ICD/library paths") # duh, why doesnt ocl-icd set this in .pc file ??
    set(DEFAULT_ENABLE_ICD 1 CACHE INTERNAL "ICD loader availability")
    set(DEFAULT_DIRECT_LINKAGE 0 CACHE INTERNAL "direct linkage")
    set(DEFAULT_TESTS_USE_ICD 1 CACHE INTERNAL "tests use ICD")

  else()

    set(HAVE_OCL_ICD 0)
    # fallback to other ICD loaders
    message(STATUS "ocl-icd not found -> trying fallback ICD implementations")
    pkg_check_modules(OPENCL OpenCL>=1.2)
    if(NOT OPENCL_FOUND)
      find_library(OPENCL_LIBRARIES OpenCL)
      # version check the found library
      if(OPENCL_LIBRARIES)
        set(CMAKE_REQUIRED_LIBRARIES "${OPENCL_LIBRARIES}")
        include(CheckFunctionExists)
        CHECK_FUNCTION_EXISTS("clEnqueueFillImage" OPENCL_FOUND)
      endif()
    endif()

    if(OPENCL_FOUND)
      # no ocl-icd, but libopencl
      message(STATUS "libOpenCL (unknown ICD loader) found")
      set(DEFAULT_ENABLE_ICD 1 CACHE INTERNAL "ICD loader availability")
      # tests can't use the icl loader - must use direct linkage
      set(DEFAULT_DIRECT_LINKAGE 1 CACHE INTERNAL "direct linkage")
      set(DEFAULT_TESTS_USE_ICD 0 CACHE INTERNAL "tests use ICD")
    else()
      message(STATUS "No ICD loader of any kind found (or its OpenCL version is <1.2)")
      # no ocl-icd, no libopencl
      set(DEFAULT_ENABLE_ICD 0 CACHE INTERNAL "no ICL loader found availability")
      set(DEFAULT_DIRECT_LINKAGE 1 CACHE INTERNAL "direct linkage")
      set(DEFAULT_TESTS_USE_ICD 0 CACHE INTERNAL "tests use ICD")
    endif()

  endif()

endif()

setup_cached_var(ENABLE_ICD "Using an ICD loader"
  "Requested build with icd, but ICD loader not found! some examples will not work.."
  "ICD loader found, but requested build without it")


######################################################################################
# DONE

# Option to allow to link a OpenCL program directly against libpocl
# instead of going through an ICD Loader
if(NOT DEFINED DIRECT_LINKAGE)
  set(DIRECT_LINKAGE ${DEFAULT_DIRECT_LINKAGE} CACHE BOOL "Allow OpenCL programs to be linked directly against the pocl library instead of using a ICD Loader (OpenCL library), defaults to !ENABLE_ICD")
endif()

message(STATUS "Direct linkage: ${DIRECT_LINKAGE}")

if(NOT DIRECT_LINKAGE)
  if(ENABLE_ICD)
    message(STATUS "Disabling direct linkage, using ICD loader instead")
  else()
    message(FATAL_ERROR "Either ICD or direct-linkage must be enabled !")
  endif()
endif()


######################################################################################
# DONE

if(NOT DEFINED TESTS_USE_ICD)
  set(TESTS_USE_ICD ${DEFAULT_TESTS_USE_ICD} CACHE BOOL "Tests use the ICD loader")
endif()

message(STATUS "Run tests with ICD: ${TESTS_USE_ICD}")

if(TESTS_USE_ICD AND (NOT ENABLE_ICD))
  message(FATAL_ERROR "Cannot use ICD for tests when its not available")
endif()
if((NOT TESTS_USE_ICD) AND (NOT DIRECT_LINKAGE))
  message(FATAL_ERROR "Tests set to link directly, but direct-linkage is disabled")
endif()


######################################################################################
# DONE

# OpenCL headers

if(DEFINED INSTALL_OPENCL_HEADERS)
  message(STATUS "Install POCL's OpenCL headers: ${INSTALL_OPENCL_HEADERS}")
else() # Undefined = auto -> check
  find_file(OPENCL_H opencl.h PATH_SUFFIXES CL OpenCL)
  if(OPENCL_H)
    message(STATUS "OpenCL.h found, NOT installing our headers")
    set(IOH 0)
  else()
    message(STATUS "OpenCL.h not found, installing our headers")
    set(IOH 1)
  endif()
  set(INSTALL_OPENCL_HEADERS ${IOH} CACHE BOOL "Install POCL's OpenCL headers. (Ones from Kronos should be installed instead)")
endif()

######################################################################################
# DONE

# TODO Check cl.hpp usability. It is broken on a few platforms.

if(DEFINED HAVE_OPENCL_HPP)
  message(STATUS "OpenCL.hpp + OpenGL (cached): ${HAVE_OPENCL_HPP}")
else()
  find_file(OPENCL_HPP cl.hpp PATH_SUFFIXES CL OpenCL)
  find_package(OpenGL MODULE)
  set(_OPENCL_HPP 0)
  if(OPENGL_FOUND)
    set(_OPENCL_HPP 1)
    if(OPENCL_HPP)
      message(STATUS "cl.hpp found, OpenGL too, enabling OPENCL_HPP")
    else()
      message(STATUS "cl.hpp not found, OpenGL found, tests will use pocl's own cl.hpp")
    endif()
  else()
    message(WARNING "OpenGL NOT found")
    message(WARNING "Please install an OpenGL implementation with gl.h or OpenGL.h. It is required by the C++ bindings")
    message(WARNING "Disabling OPENCL_HPP, a few tests will be skipped")
  endif()
  set(HAVE_OPENCL_HPP ${_OPENCL_HPP} CACHE INTERNAL "Opencl.hpp found & usable")
endif()

######################################################################################
# TODO check if this works!

option(PEDANTIC "Compile host library with stricter compiler flags." OFF)
if(PEDANTIC)
  add_compile_options("-Wno-unused-result" "-Werror") # maybe "-Wimplicit"
endif()

######################################################################################
# DONE

if (MSVC)
  message(STATUS "Finding libGLEW binary distribution (http://glew.sourceforge.net/index.html) for Widows not implemented. Consider writing FindGlew.cmake macro.")
  message(STATUS "libGLEW not found. A few tests will not work")
else()
  pkg_check_modules(GLEW glew)
  if(NOT GLEW_FOUND)
    message(WARNING "libGLEW not found. A few tests will not work")
  else()
    set(HAVE_GLEW 1)
  endif()
endif()

######################################################################################
# DONE

option(KERNEL_CACHE "Enable the kernel compile cache." ON)
if(KERNEL_CACHE)
  set(POCL_BUILD_KERNEL_CACHE 1)
else()
  set(POCL_BUILD_KERNEL_CACHE 0)
endif()
string(TIMESTAMP POCL_BUILD_TIMESTAMP "%d%m%Y%H%M%S")

######################################################################################
# DONE

if("${LLVM_CLANG_VERSION}" MATCHES "SPIR")
  set(CLANG_SPIR 1)
  message(STATUS "Using a SPIR generator Clang from Khronos.")
else()
  set(CLANG_SPIR 0)
  message(STATUS "NOT using SPIR")
endif()


####################################################################

# The Clang flags that are used always when compiling OpenCL C code.
# Note: We use -Wno-format to avoid warnings for printf, where we
# currently have to use %lld for long arguments (to handle 32-bit
# architectures).
set(FORCED_CLFLAGS "-Xclang -ffake-address-space-map -fno-math-errno -fblocks -fno-builtin -fasm -Wno-format")


####################################################################

# line 620

if(UNIX)
  if(APPLE)
    # TODO MACOSX_BUNDLE target prop
    set(ICD_LD_FLAGS "-single_module")
  else()
    set(ICD_LD_FLAGS "-Wl,-Bsymbolic")
  endif()
endif()

####################################################################

# TODO some more work required here

set(DEFAULT_HOST_LLC_FLAGS "-relocation-model=pic")
# TODO host clang flags / llc flags - properly add_compile_options etc
set(DEFAULT_HOST_CLANG_FLAGS "${DEFAULT_HOST_CLANG_FLAGS} ${CLANG_TARGET_OPTION}${LLC_TRIPLE}")
set(DEFAULT_HOST_LLC_FLAGS "${DEFAULT_HOST_LLC_FLAGS} -mtriple=${LLC_TRIPLE}")
if(NOT LLC_HOST_CPU MATCHES "unknown")
  set(DEFAULT_HOST_CLANG_FLAGS "${DEFAULT_HOST_CLANG_FLAGS} ${CLANG_MARCH_FLAG}${LLC_HOST_CPU}")
  set(DEFAULT_HOST_LLC_FLAGS "${DEFAULT_HOST_LLC_FLAGS} -mcpu=${LLC_HOST_CPU}")
endif()

if(LLC_TRIPLE MATCHES "^arm")
  if(LLC_TRIPLE MATCHES "gnueabihf")
    # hardfloat
    set(DEFAULT_HOST_LLC_FLAGS "${DEFAULT_HOST_LLC_FLAGS} -float-abi=hard")
    set(DEFAULT_HOST_CLANG_FLAGS "${DEFAULT_HOST_CLANG_FLAGS} -mfloat-abi=hard")
    set(DEFAULT_HOST_AS_FLAGS "${DEFAULT_HOST_AS_FLAGS} -mfloat-abi=hard")
  else()
    # softfloat
    set(HOST_FLOAT_SOFT_ABI 1)
    set(DEFAULT_HOST_LLC_FLAGS "${DEFAULT_HOST_LLC_FLAGS} -float-abi=soft")
    set(DEFAULT_HOST_CLANG_FLAGS "${DEFAULT_HOST_CLANG_FLAGS} -mfloat-abi=soft")
    set(DEFAULT_HOST_AS_FLAGS "${DEFAULT_HOST_AS_FLAGS} -mfloat-abi=soft")
  endif()
endif()

if(CL_DISABLE_LONG)
  set(DEFAULT_HOST_CLANG_FLAGS "${DEFAULT_HOST_CLANG_FLAGS} -D_CL_DISABLE_LONG")
endif()
if(CL_DISABLE_HALF)
  set(DEFAULT_HOST_CLANG_FLAGS "${DEFAULT_HOST_CLANG_FLAGS} -D_CL_DISABLE_HALF")
endif()

####################################################################

set(HOST_AS_FLAGS "${DEFAULT_HOST_AS_FLAGS}" CACHE STRING "Parameters to as for code generation in the host.")
set(HOST_LD_FLAGS "${DEFAULT_HOST_LD_FLAGS}" CACHE STRING "Parameter to compiler to generate loadable module.")
set(HOST_CLANG_FLAGS "${DEFAULT_HOST_CLANG_FLAGS}" CACHE STRING "Parameters to clang for host compilation.")
set(HOST_LLC_FLAGS "${DEFAULT_HOST_LLC_FLAGS}" CACHE STRING "Parameters to llc for code generation in the host.")

####################################################################

#line 760

set(OCL_TARGETS "host")


# THESE are only used in makefile.am & scripts/pocl*
set(TCE_TARGET_CLANG_FLAGS "" CACHE STRING "Extra parameters to Clang for TCE compilation.")
set(CELL_TARGET_CLANG_FLAGS "" CACHE STRING "Extra parameters to Clang for CELL compilation.")
# TODO HOST_CLANG_FLAGS -> CPU_TARGET_CLANG_FLAGS
#set(HOST_CLANG_FLAGS "" CACHE STRING "Extra parameters to Clang for cpu target compilation.")
#AC_ARG_VAR([TARGET_CLANG_FLAGS],
#           [Parameters to for target compilation.])

set(TCE_TARGET_LLC_FLAGS "" CACHE STRING "Extra parameters to LLVM's llc for TCE compilation.")
set(CELL_TARGET_LLC_FLAGS "" CACHE STRING "Extra parameters to LLVM's llc for CELL compilation.")
# TODO HOST_LLC_FLAGS -> CPU_TARGET_LLC_FLAGS
#set(HOST_LLC_FLAGS "" CACHE STRING "Extra parameters to LLVM's llc for cpu target compilation.")
#AC_DEFINE_UNQUOTED([TARGET_LLC_FLAGS],
#                   [Parameters to llc for code generation in the target.])

# TODO OCL_KERNEL_TARGET -> CPU_TARGET_TRIPLE
# TODO OCL_KERNEL_TARGET_CPU -> OCL_KERNEL_TARGET_CPU
# these are used here:
#lib/CL/devices/basic/basic.c:  dev->llvm_target_triplet = OCL_KERNEL_TARGET;
#lib/CL/devices/basic/basic.c:  dev->llvm_cpu = OCL_KERNEL_TARGET_CPU;
set(OCL_KERNEL_TARGET "${LLC_TRIPLE}") #The kernel target triplet.
set(OCL_KERNEL_TARGET_CPU "${LLC_HOST_CPU}") #The kernel target CPU variant.

# TODO this is required
# mostly used in tests to skip based on cpu
#AC_SUBST([HOST_CPU], [$host_cpu])
#AC_DEFINE_UNQUOTED([HOST_CPU], ["$host_cpu"], [The host CPU type.])


####################################################################

# Determine which device drivers to build.

set(OCL_DRIVERS "basic pthreads")

if(NOT DEFINED DEFAULT_ENABLE_TCE)

  find_program(TCE_CONFIG NAMES "tce-config")
  if(TCE_CONFIG)

    find_program(TCECC NAMES "tcecc")
    set(TCE_USABLE 1)

  endif()

  if(TCE_CONFIG AND TCECC AND TCE_USABLE)

    execute_process(COMMAND "${TCE_CONFIG}" --libs OUTPUT_VARIABLE TCE_LIBS RESULT_VARIABLE RESV)
    string(STRIP "${TCE_LIBS}" TCE_LIBS)
    set(TCE_LIBS "${TCE_LIBS}" CACHE INTERNAL "tce-config --libs")
    # TODO
    set(LD_FLAGS_BIN ${LD_FLAGS_BIN} ${TCE_LIBS})

    execute_process(COMMAND "${TCE_CONFIG}" --includes OUTPUT_VARIABLE TCE_INCLUDES RESULT_VARIABLE RESV)
    string(STRIP "${TCE_INCLUDES}" TCE_INCLUDES)
    set(TCE_INCLUDES "${TCE_INCLUDES}" CACHE INTERNAL "tce-config --includes")

    execute_process(COMMAND "${TCE_CONFIG}" --version OUTPUT_VARIABLE TCE_VERSION RESULT_VARIABLE RESV)
    set(TCE_VERSION "${TCE_VERSION}" CACHE INTERNAL "tce-config --version")

    set(DEFAULT_ENABLE_TCE 1 CACHE INTERNAL "TCE available")

    if(TCE_VERSION MATCHES "trunk")
      set(DEFAULT_ENABLE_TCEMC 1 CACHE INTERNAL "TCEMC available")
    endif()

  else()
    set(DEFAULT_ENABLE_TCE 0 CACHE INTERNAL "TCE available")
    set(DEFAULT_ENABLE_TCEMC 0 CACHE INTERNAL "TCEMC available")
  endif()

endif()

setup_cached_var(ENABLE_TCE "TCE"
  "Requested enabling TCE, but no usable TCE installation found !"
  "TCE is available, but requested disabling it")

if(ENABLE_TCE)
  set(OCL_DRIVERS "${OCL_DRIVERS} tce")
  set(OCL_TARGETS "${OCL_TARGETS} tce")
  if(DEFAULT_ENABLE_TCEMC)
    set(ENABLE_TCEMC 1)
    set(OCL_DRIVERS "${OCL_DRIVERS} tcemc") # TCEMC is a "superset" of TCE (lp:tce) features.
  endif()
else()
  set(ENABLE_TCEMC 0)
endif()

##########################################################

# Check if CellSPU support is found

# The libspe version requirement is not strict. This is the only one tested.
# SPU backend was removed in LLVM 3.3 (and we don't accept LLVM 3.1 anymore in pocl)
# so compile the spu backend only when LLVM 3.2 is found

if(NOT DEFINED DEFAULT_ENABLE_SPU)
  set(_SPU 0)
  if(LLVM_VERSION MATCHES "3.2")
    pkg_check_modules(LIBSPE "libspe2>=2.2.80")
    if(LIBSPE_FOUND)
      set(_SPU 1)
    endif()
  else()
    message(STATUS "Skipping cellspu target, needs llvm 3.2")
  endif()
  set(DEFAULT_ENABLE_SPU ${_SPU} CACHE INTERNAL "Build cell SPU")
endif()

setup_cached_var(ENABLE_SPU "Cell SPU"
  "Requested enabling Cell SPU, but no usable libspe found !"
  "Cell SPU available, but requested disabling it")

if(ENABLE_SPU)
  set(OCL_DRIVERS "${OCL_DRIVERS} spu")
  set(OCL_TARGETS "${OCL_TARGETS} cellspu")
endif()

##########################################################

message(STATUS "Building the following device drivers: ${OCL_DRIVERS}")

set(BUILDDIR "${CMAKE_BINARY_DIR}")
set(SRCDIR "${CMAKE_SOURCE_DIR}")

##########################################################

# Checks for library features.

include(CheckSymbolExists)
CHECK_SYMBOL_EXISTS("posix_memalign" "stdlib.h" HAVE_POSIX_MEMALIGN)

if(NOT CMAKE_CROSSCOMPILING)
  # AC_C_BIGENDIAN
  include(TestBigEndian)
  TEST_BIG_ENDIAN(WORDS_BIGENDIAN)
else()
  # Set default as little-endian
  set(WORDS_BIGENDIAN 0)
endif()

##########################################################

# TODO

#AC_MSG_NOTICE([Checking host compiler characteristics])
#message(STATUS "Checking host compiler characteristics")

#CFLAGS="-h $host"
# -> TRIPLE = LLC_TRIPLE

# HOST_SIZEOF_* is actually unused; some code still uses SIZEOF_* though.

#AC_CHECK_SIZEOF([long])
#AC_SUBST([HOST_SIZEOF_LONG], )
CHECK_SIZEOF("__fp16" SIZEOF___FP16 ${LLC_TRIPLE})
CHECK_SIZEOF("void*" SIZEOF_VOID_P ${LLC_TRIPLE})


CHECK_ALIGNOF("float16" "typedef float float16  __attribute__((__ext_vector_type__(16)));" ALIGNOF_FLOAT16 ${LLC_TRIPLE})

CHECK_ALIGNOF("double16" "typedef double double16  __attribute__((__ext_vector_type__(16)));" ALIGNOF_DOUBLE16 ${LLC_TRIPLE})

if(ALIGNOF_FLOAT16 GREATER ALIGNOF_DOUBLE16)
  set(MAX_EXTENDED_ALIGNMENT "${ALIGNOF_FLOAT16}")
else()
  set(MAX_EXTENDED_ALIGNMENT "${ALIGNOF_DOUBLE16}")
endif()

##########################################################

# POCL_DEVICE_ADDRESS_BITS
# Value based on host processor, for basic and pthreads devices
if("${SIZEOF_VOID_P}" STREQUAL "8")
  set(POCL_DEVICE_ADDRESS_BITS 64)
elseif("${SIZEOF_VOID_P}" STREQUAL "4")
  set(POCL_DEVICE_ADDRESS_BITS 32)
else()
  message(FATAL_ERROR "Cannot figure out POCL_DEVICE_ADDRESS_BITS")
endif()


##########################################################


# cmake docs:
# SOVERSION: What version number is this target.

# For shared libraries VERSION and SOVERSION can be used to specify the
#  build version and API version respectively. When building or installing
#  appropriate symlinks are created if the platform supports symlinks and
#  the linker  supports so-names. If only one of both is specified the
#  missing is assumed to have the same version number.
#
# For executables VERSION can be used to specify the build version.
# SOVERSION is ignored if NO_SONAME property is set. For shared libraries
# and executables on Windows the VERSION attribute is parsed to extract
#  a "major.minor" version number. These numbers are used as the
#  image version of the binary.

# cmake usage:
# SET_TARGET_PROPERTIES(pocl PROPERTIES SOVERSION 1.6.3 VERSION 4) ...



# The libtool library version string to use (passed to -version-info).
# See: http://www.nondot.org/sabre/Mirrored/libtool-2.1a/libtool_6.html
# libpocl.so should get only API additions as we are implementing a standard.
#
# The library version encodings into the library file name are platform
# dependant. Therefore we need to be a bit verbose here for the pocl.icd file
# creation to succeed (see Makefile.am).
# Chiefly, GNU differs from BSD, and others are untested. See e.g.
# http://en.opensuse.org/openSUSE%3aShared_library_packaging_policy#Versioning_schemes
#
# 0:0:0 == 0.6
# 1:0:0 == 0.7 (not backwards compatible with 0:0:0 due to the ICD)
# 2:0:1 == 0.8 (currently backwards compatible with 0.7, thus age = 1).
# 3:0:2 == 0.9 (currently backwards compatible with 0.7, thus age = 2).
# 4:0:3 == 0.10 (currently backwards compatible with 0.7, thus age = 3).
# 5:0:4 == 0.11 (currently backwards compatible with 0.7, thus age = 4).

set(LIB_CURRENT_VERSION 5)
set(LIB_REVISION_VERSION 0)
set(LIB_AGE_VERSION 4)

# LIB_FIRST_VERSION=$(($LIB_CURRENT_VERSION - $LIB_AGE_VERSION))
math(EXPR LIB_FIRST_VERSION "${LIB_CURRENT_VERSION} - ${LIB_AGE_VERSION}")

# libtool takes "c:r:a" arguments, but the result is "<lib>.so.(c-a).a.r"
# cmake has "build version" and "API version"
# these vars map libtool -> cmake
# for set_target_properties
set(LIB_BUILD_VERSION "${LIB_FIRST_VERSION}.${LIB_AGE_VERSION}.${LIB_REVISION_VERSION}")
set(LIB_API_VERSION "${LIB_FIRST_VERSION}")

# The kernel compiler opt plugin shared library, however, changes more
# drastically. Let's try to follow the similar 'current' numbering as
# the pocl host API library and perhaps tune the 'revision' and 'age' later.

# DONE - lib/llvmopencl..
# AC_SUBST([KERNEL_COMPILER_LIB_VERSION], ["3:0:0"])
set(KERNEL_COMPILER_LIB_VERSION "${LIB_CURRENT_VERSION}.0.0")

##########################################################


#TODO
# these vars are copies b/c tons of sources use BUILD_ICD etc
set(BUILD_ICD ${ENABLE_ICD})
set(BUILD_SPU ${ENABLE_SPU})
set(TCE_AVAILABLE ${ENABLE_TCE})
set(TCEMC_AVAILABLE ${ENABLE_TCEMC})
set(_CL_DISABLE_LONG ${CL_DISABLE_LONG})
set(_CL_DISABLE_HALF ${CL_DISABLE_HALF})
set(PACKAGE_VERSION "${POCL_VERSION}")

configure_file("config.h.in.cmake" "config.h" ESCAPE_QUOTES)
include_directories("${CMAKE_BINARY_DIR}")

# autotools compat
file(WRITE "${CMAKE_BINARY_DIR}/install-paths.h" "#define PKGDATADIR \"${POCL_INSTALL_PRIVATE_DATADIR}\"")

##########################################################

file(GENERATE OUTPUT "${CMAKE_BINARY_DIR}/pocl.icd" CONTENT "${POCL_INSTALL_PUBLIC_LIBDIR}/$<TARGET_FILE_NAME:pocl>" CONDITION 1)
install(FILES "${CMAKE_BINARY_DIR}/pocl.icd"
         DESTINATION "${POCL_INSTALL_ICD_VENDORDIR}")

# write icd file for pocl testing
file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/ocl-vendors")
file(GENERATE OUTPUT "${CMAKE_BINARY_DIR}/ocl-vendors/pocl-tests.icd" CONTENT "$<TARGET_FILE:pocl>" CONDITION 1)

file(GENERATE OUTPUT "${CMAKE_BINARY_DIR}/CTestCustom.cmake" CONTENT "
  set(ENV{POCL_BUILDING} \"1\")
  set(ENV{OCL_ICD_VENDORS} \"${CMAKE_BINARY_DIR}/ocl-vendors\")
")

##########################################################

if(UNIX)

  configure_file("${CMAKE_SOURCE_DIR}/pocl.pc.in.cmake" "${CMAKE_BINARY_DIR}/pocl.pc" @ONLY)
  install(FILES "${CMAKE_BINARY_DIR}/pocl.pc"
         DESTINATION "${POCL_INSTALL_PKGCONFIG_DIR}")

endif()

#############################################################

include_directories("fix-includes" "include")

add_subdirectory("include")

add_subdirectory("lib")

# these are set in lib/cmakelists.txt
message(STATUS "OPENCL_LIBS: ${OPENCL_LIBS}")
message(STATUS "OPENCL_CFLAGS: ${OPENCL_CFLAGS}")

# for tests / examples
set(POCLU_LINK_OPTIONS "-lm" ${OPENCL_LIBS} "poclu")
message(STATUS "POCLU LINK OPTS: ${POCLU_LINK_OPTIONS}")

# DONE - just pocl-standalone script
add_subdirectory("scripts")

# for tests & examples
if(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc")
  set(POWERPC 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "armv7")
  set(ARMV7 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "armv6")
  set(ARMV6 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(i386|AMD64|x86_64)")
  if(POCL_DEVICE_ADDRESS_BITS MATCHES "32")
    set(I386 1)
  else()
    set(X86_64 1)
  endif()
endif()


# TODO In progress
add_subdirectory("tests")

# TODO In progress
set(ALL_TESTSUITES "AMD;AMDSDK2.9;opencl-book-samples;Parboil;piglit;Rodinia;VexCL;ViennaCL")
add_subdirectory("examples")

add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND})

##########################################################

MESSAGE(STATUS " ")
MESSAGE(STATUS "*********************** SUMMARY ***************************")
MESSAGE(STATUS " ")
MESSAGE(STATUS "******* Directories:")
MESSAGE(STATUS " ")

MESSAGE(STATUS "POCL_INSTALL_CMAKE_CONFIG_DIR: ${POCL_INSTALL_CMAKE_CONFIG_DIR}")
MESSAGE(STATUS "POCL_INSTALL_ICD_VENDORDIR: ${POCL_INSTALL_ICD_VENDORDIR}")
MESSAGE(STATUS "POCL_INSTALL_OPENCL_HEADER_DIR: ${POCL_INSTALL_OPENCL_HEADER_DIR}")
MESSAGE(STATUS "POCL_INSTALL_PKGCONFIG_DIR: ${POCL_INSTALL_PKGCONFIG_DIR}")
MESSAGE(STATUS "POCL_INSTALL_PRIVATE_DATADIR: ${POCL_INSTALL_PRIVATE_DATADIR}")
MESSAGE(STATUS "POCL_INSTALL_PRIVATE_HEADER_DIR: ${POCL_INSTALL_PRIVATE_HEADER_DIR}")
MESSAGE(STATUS "POCL_INSTALL_PRIVATE_LIBDIR: ${POCL_INSTALL_PRIVATE_LIBDIR}")
MESSAGE(STATUS "POCL_INSTALL_PUBLIC_BINDIR: ${POCL_INSTALL_PUBLIC_BINDIR}")
MESSAGE(STATUS "POCL_INSTALL_PUBLIC_HEADER_DIR: ${POCL_INSTALL_PUBLIC_HEADER_DIR}")
MESSAGE(STATUS "POCL_INSTALL_PUBLIC_LIBDIR: ${POCL_INSTALL_PUBLIC_LIBDIR}")

MESSAGE(STATUS " ")
MESSAGE(STATUS "******* Enabled features:")
MESSAGE(STATUS " ")

MESSAGE(STATUS "CLANG_SPIR: ${CLANG_SPIR}")
MESSAGE(STATUS "CL_DISABLE_LONG (Disable cl_khr_int64): ${CL_DISABLE_LONG}")
MESSAGE(STATUS "DIRECT_LINKAGE: ${DIRECT_LINKAGE}")
MESSAGE(STATUS "ENABLE_DOCS: ${ENABLE_DOCS}")
MESSAGE(STATUS "ENABLE_ICD: ${ENABLE_ICD}")
MESSAGE(STATUS "ENABLE_SPU (Cell SPU enabled): ${ENABLE_SPU}")
MESSAGE(STATUS "ENABLE_TCE: ${ENABLE_TCE}")
MESSAGE(STATUS "ENABLE_TCEMC: ${ENABLE_TCEMC}")
MESSAGE(STATUS "HAVE_CLOCK_GETTIME: ${HAVE_CLOCK_GETTIME}")
MESSAGE(STATUS "HAVE_GLEW: ${HAVE_GLEW}")
MESSAGE(STATUS "HAVE_OPENCL_HPP: ${HAVE_OPENCL_HPP}")
MESSAGE(STATUS "INSTALL_OPENCL_HEADERS (Install our headers): ${INSTALL_OPENCL_HEADERS}")
MESSAGE(STATUS "NEW_PRINTF_WORKS: ${NEW_PRINTF_WORKS}")
MESSAGE(STATUS "OCL_DRIVERS (Drivers built): ${OCL_DRIVERS}")
MESSAGE(STATUS "OCL_TARGETS (Targets built): ${OCL_TARGETS}")
MESSAGE(STATUS "STATIC_LLVM: ${STATIC_LLVM}")
MESSAGE(STATUS "TESTS_USE_ICD: ${TESTS_USE_ICD}")
MESSAGE(STATUS "USE_VECMATHLIB: ${USE_VECMATHLIB}")
MESSAGE(STATUS "Available testsuites: ${ALL_TESTSUITES}")
MESSAGE(STATUS "Enabled testsuites: ${ENABLED_TESTSUITES}")
MESSAGE(STATUS "Kernel caching: ${KERNEL_CACHE}")

MESSAGE(STATUS " ")
MESSAGE(STATUS "******* Programs:")
MESSAGE(STATUS " ")

MESSAGE(STATUS "LLVM_CONFIG: ${LLVM_CONFIG}")
MESSAGE(STATUS "LLVM_OPT: ${LLVM_OPT}")
MESSAGE(STATUS "LLC: ${LLC}")
MESSAGE(STATUS "LLVM_AS: ${LLVM_AS}")
MESSAGE(STATUS "LLVM_LINK: ${LLVM_LINK}")
MESSAGE(STATUS "LLVM_LLI: ${LLVM_LLI}")
MESSAGE(STATUS "WITH_LLVM_CONFIG (User preferred llvm-config): ${WITH_LLVM_CONFIG}")


MESSAGE(STATUS " ")
MESSAGE(STATUS "******* Various Flags:")
MESSAGE(STATUS " ")

MESSAGE(STATUS "CELL_TARGET_CLANG_FLAGS: ${CELL_TARGET_CLANG_FLAGS}")
MESSAGE(STATUS "CELL_TARGET_LLC_FLAGS: ${CELL_TARGET_LLC_FLAGS}")
MESSAGE(STATUS "CLANG_MARCH_FLAG: ${CLANG_MARCH_FLAG}")
MESSAGE(STATUS "CLANG_TARGET_OPTION: ${CLANG_TARGET_OPTION}")
MESSAGE(STATUS "CL_DISABLE_HALF: ${CL_DISABLE_HALF}")
MESSAGE(STATUS "CL_DISABLE_LONG: ${CL_DISABLE_LONG}")
MESSAGE(STATUS "HOST_AS_FLAGS: ${HOST_AS_FLAGS}")
MESSAGE(STATUS "HOST_CLANG_FLAGS: ${HOST_CLANG_FLAGS}")
MESSAGE(STATUS "HOST_LD_FLAGS: ${HOST_LD_FLAGS}")
MESSAGE(STATUS "HOST_LLC_FLAGS: ${HOST_LLC_FLAGS}")
MESSAGE(STATUS "ICD_LD_FLAGS: ${ICD_LD_FLAGS}")
MESSAGE(STATUS "KERNEL_CLANGXX_FLAGS: ${KERNEL_CLANGXX_FLAGS}")
MESSAGE(STATUS "KERNEL_CL_FLAGS: ${KERNEL_CL_FLAGS}")
MESSAGE(STATUS "LD_FLAGS_BIN: ${LD_FLAGS_BIN}")
MESSAGE(STATUS "LIB_API_VERSION: ${LIB_API_VERSION}")
MESSAGE(STATUS "LIB_BUILD_VERSION: ${LIB_BUILD_VERSION}")
MESSAGE(STATUS "LLVM_VERSION: ${LLVM_VERSION}")
MESSAGE(STATUS "LLVM_CFLAGS: ${LLVM_CFLAGS}")
MESSAGE(STATUS "LLVM_CXXFLAGS: ${LLVM_CXXFLAGS}")
MESSAGE(STATUS "LLVM_CPPFLAGS: ${LLVM_CPPFLAGS}")
MESSAGE(STATUS "LLVM_LDFLAGS: ${LLVM_LDFLAGS}")
MESSAGE(STATUS "LLVM_LIBDIR: ${LLVM_LIBDIR}")
MESSAGE(STATUS "LLVM_INCLUDEDIR: ${LLVM_INCLUDEDIR}")
MESSAGE(STATUS "LLVM_SRC_ROOT: ${LLVM_SRC_ROOT}")
MESSAGE(STATUS "LLVM_OBJ_ROOT: ${LLVM_OBJ_ROOT}")
MESSAGE(STATUS "LLVM_INCLUDE_DIRS: ${LLVM_INCLUDE_DIRS}")
MESSAGE(STATUS "LLVM_SYSLIBS: ${LLVM_SYSLIBS}")
MESSAGE(STATUS "----------- LLVM_LIBS (LLVM SHARED LIBS) --------")
MESSAGE(STATUS "${LLVM_LIBNAMES}")
MESSAGE(STATUS "----------- LLVM_LIBFILES (LLVM STATIC LIBS) --------")
MESSAGE(STATUS "${LLVM_LIBFILES}")
MESSAGE(STATUS "----------- CLANG_LIBS (LLVM SHARED LIBS) --------")
MESSAGE(STATUS "${CLANG_LIBNAMES}")
MESSAGE(STATUS "----------- CLANG_LIBFILES (LLVM STATIC LIBS) --------")
MESSAGE(STATUS "${CLANG_LIBFILES}")
MESSAGE(STATUS "----------- -------------------------------- --------")
MESSAGE(STATUS "POCL_LLVM_LIBS: ${POCL_LLVM_LIBS}")
MESSAGE(STATUS "----------- -------------------------------- --------")
MESSAGE(STATUS "LLVM_ALL_TARGETS: ${LLVM_ALL_TARGETS}")
MESSAGE(STATUS "LLVM_HOST_TARGET: ${LLVM_HOST_TARGET}")
MESSAGE(STATUS "LLC_TRIPLE: ${LLC_TRIPLE}")
MESSAGE(STATUS "LLC_HOST_CPU: ${LLC_HOST_CPU}")
MESSAGE(STATUS "MAX_EXTENDED_ALIGNMENT: ${MAX_EXTENDED_ALIGNMENT}")
MESSAGE(STATUS "OCL_KERNEL_TARGET: ${OCL_KERNEL_TARGET}")
MESSAGE(STATUS "OCL_KERNEL_TARGET_CPU: ${OCL_KERNEL_TARGET_CPU}")
MESSAGE(STATUS "POCL_DEVICE_ADDRESS_BITS: ${POCL_DEVICE_ADDRESS_BITS}")
MESSAGE(STATUS "TCE_TARGET_CLANG_FLAGS: ${TCE_TARGET_CLANG_FLAGS}")
MESSAGE(STATUS "TCE_TARGET_LLC_FLAGS: ${TCE_TARGET_LLC_FLAGS}")


MESSAGE(STATUS " ")
