125 lines
3.4 KiB
CMake
125 lines
3.4 KiB
CMake
#
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#//===----------------------------------------------------------------------===//
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#//
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#// The LLVM Compiler Infrastructure
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#//
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#// This file is dual licensed under the MIT and the University of Illinois Open
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#// Source Licenses. See LICENSE.txt for details.
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#//
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#//===----------------------------------------------------------------------===//
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#
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# Try to detect in the system several dependencies required by the different
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# components of libomptarget. These are the dependencies we have:
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#
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# libelf : required by some targets to handle the ELF files at runtime.
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# libffi : required to launch target kernels given function and argument
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# pointers.
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# CUDA : required to control offloading to NVIDIA GPUs.
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include (FindPackageHandleStandardArgs)
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################################################################################
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# Looking for libelf...
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################################################################################
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find_path (
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LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIR
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NAMES
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libelf.h
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PATHS
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/usr/include
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/usr/local/include
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/opt/local/include
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/sw/include
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ENV CPATH
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PATH_SUFFIXES
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libelf)
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find_library (
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LIBOMPTARGET_DEP_LIBELF_LIBRARIES
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NAMES
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elf
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PATHS
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/usr/lib
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/usr/local/lib
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/opt/local/lib
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/sw/lib
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ENV LIBRARY_PATH
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ENV LD_LIBRARY_PATH)
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set(LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIRS ${LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIR})
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find_package_handle_standard_args(
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LIBOMPTARGET_DEP_LIBELF
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DEFAULT_MSG
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LIBOMPTARGET_DEP_LIBELF_LIBRARIES
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LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIRS)
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mark_as_advanced(
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LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIRS
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LIBOMPTARGET_DEP_LIBELF_LIBRARIES)
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################################################################################
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# Looking for libffi...
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################################################################################
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find_package(PkgConfig)
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pkg_check_modules(LIBOMPTARGET_SEARCH_LIBFFI QUIET libffi)
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find_path (
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LIBOMPTARGET_DEP_LIBFFI_INCLUDE_DIR
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NAMES
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ffi.h
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HINTS
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${LIBOMPTARGET_SEARCH_LIBFFI_INCLUDEDIR}
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${LIBOMPTARGET_SEARCH_LIBFFI_INCLUDE_DIRS}
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PATHS
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/usr/include
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/usr/local/include
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/opt/local/include
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/sw/include
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ENV CPATH)
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# Don't bother look for the library if the header files were not found.
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if (LIBOMPTARGET_DEP_LIBFFI_INCLUDE_DIR)
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find_library (
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LIBOMPTARGET_DEP_LIBFFI_LIBRARIES
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NAMES
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ffi
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HINTS
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${LIBOMPTARGET_SEARCH_LIBFFI_LIBDIR}
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${LIBOMPTARGET_SEARCH_LIBFFI_LIBRARY_DIRS}
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PATHS
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/usr/lib
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/usr/local/lib
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/opt/local/lib
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/sw/lib
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ENV LIBRARY_PATH
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ENV LD_LIBRARY_PATH)
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endif()
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set(LIBOMPTARGET_DEP_LIBFFI_INCLUDE_DIRS ${LIBOMPTARGET_DEP_LIBFFI_INCLUDE_DIR})
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find_package_handle_standard_args(
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LIBOMPTARGET_DEP_LIBFFI
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DEFAULT_MSG
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LIBOMPTARGET_DEP_LIBFFI_LIBRARIES
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LIBOMPTARGET_DEP_LIBFFI_INCLUDE_DIRS)
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mark_as_advanced(
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LIBOMPTARGET_DEP_LIBFFI_INCLUDE_DIRS
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LIBOMPTARGET_DEP_LIBFFI_LIBRARIES)
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################################################################################
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# Looking for CUDA...
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################################################################################
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find_package(CUDA QUIET)
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set(LIBOMPTARGET_DEP_CUDA_FOUND ${CUDA_FOUND})
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set(LIBOMPTARGET_DEP_CUDA_LIBRARIES ${CUDA_LIBRARIES})
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set(LIBOMPTARGET_DEP_CUDA_INCLUDE_DIRS ${CUDA_INCLUDE_DIRS})
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mark_as_advanced(
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LIBOMPTARGET_DEP_CUDA_FOUND
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LIBOMPTARGET_DEP_CUDA_INCLUDE_DIRS
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LIBOMPTARGET_DEP_CUDA_LIBRARIES)
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