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# - 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_FOUND)
return()
endif (LIBELF_FOUND)
find_path (LIBELF_INCLUDE_DIRS
NAMES
libelf.h
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_LIBRARIES
NAMES
elf
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_LIBRARIES
LIBELF_INCLUDE_DIRS)
SET(CMAKE_REQUIRED_LIBRARIES elf)
INCLUDE(CheckCXXSourceCompiles)
CHECK_CXX_SOURCE_COMPILES("#include <libelf.h>
int main() {
Elf *e = (Elf*)0;
size_t sz;
elf_getshdrstrndx(e, &sz);
return 0;
}" ELF_GETSHDRSTRNDX)
mark_as_advanced(LIBELF_INCLUDE_DIRS LIBELF_LIBRARIES ELF_GETSHDRSTRNDX)
if(LIBELF_FOUND)
add_library(elf UNKNOWN IMPORTED)
set_property(TARGET elf PROPERTY IMPORTED_LOCATION ${LIBELF_LIBRARIES})
set_property(TARGET elf PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${LIBELF_INCLUDE_DIRS})
endif()
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