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# Source (GPLv2): https://github.com/SimonKagstrom/kcov/blob/master/cmake/FindLibElf.cmake
# - Try to find libelf
# Once done this will define
#
# LIBELF_FOUND - system has libelf
# LIBELF_INCLUDE_DIRS - the libelf include directory
# LIBELF_LIBRARIES - Link these to use libelf
# LIBELF_DEFINITIONS - Compiler switches required for using libelf
#
# Copyright (c) 2008 Bernhard Walle <bernhard.walle@gmx.de>
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
if (LIBELF_LIBRARIES AND LIBELF_INCLUDE_DIRS)
set(LibElf_FIND_QUIETLY ON)
endif (LIBELF_LIBRARIES AND LIBELF_INCLUDE_DIRS)
find_package(PkgConfig QUIET)
if (PKG_CONFIG_FOUND)
set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH ON)
pkg_check_modules(PC_LIBELF QUIET libelf)
endif ()
find_path(LIBELF_INCLUDE_DIR
NAMES
libelf.h
HINTS
${PC_LIBELF_INCLUDE_DIRS}
PATHS
/usr/include
/usr/include/libelf
/usr/local/include
/usr/local/include/libelf
/opt/local/include
/opt/local/include/libelf
/sw/include
/sw/include/libelf
ENV CPATH)
find_library(LIBELF_LIBRARY
NAMES
elf
HINTS
${PC_LIBELF_LIBRARY_DIRS}
PATHS
/usr/lib
/usr/local/lib
/opt/local/lib
/sw/lib
ENV LIBRARY_PATH
ENV LD_LIBRARY_PATH)
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set LIBELF_FOUND to TRUE if all listed variables are TRUE
find_package_handle_standard_args(LibElf DEFAULT_MSG
LIBELF_LIBRARY
LIBELF_INCLUDE_DIR)
mark_as_advanced(LIBELF_INCLUDE_DIR LIBELF_LIBRARY)
set(LIBELF_LIBRARIES ${LIBELF_LIBRARY})
set(LIBELF_INCLUDE_DIRS ${LIBELF_INCLUDE_DIR})
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