Sean Keely
9ff0268f4c
Add namespacing to elf find module. Stop using CMAKE_CXX_FLAGS and start using target properties for this. Ideally we should remove the actual option strings and replace with cmake compiler properties or compile features. Change-Id: I57756387b3bd3c565c99a35fed4b37fe1a2d0556
70 lines
1.7 KiB
CMake
70 lines
1.7 KiB
CMake
# - Try to find libelf
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# Once done this will define
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#
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# LIBELF_FOUND - system has libelf
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# LIBELF_INCLUDE_DIRS - the libelf include directory
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# LIBELF_LIBRARIES - Link these to use libelf
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# LIBELF_DEFINITIONS - Compiler switches required for using libelf
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#
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# Copyright (c) 2008 Bernhard Walle <bernhard.walle@gmx.de>
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#
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# Redistribution and use is allowed according to the terms of the New
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# BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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#
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if (LIBELF_FOUND)
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return()
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endif (LIBELF_FOUND)
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find_path (LIBELF_INCLUDE_DIRS
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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/include/libelf
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/usr/local/include
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/usr/local/include/libelf
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/opt/local/include
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/opt/local/include/libelf
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/sw/include
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/sw/include/libelf
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ENV CPATH)
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find_library (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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include (FindPackageHandleStandardArgs)
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# handle the QUIETLY and REQUIRED arguments and set LIBELF_FOUND to TRUE if all listed variables are TRUE
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibElf DEFAULT_MSG
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LIBELF_LIBRARIES
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LIBELF_INCLUDE_DIRS)
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SET(CMAKE_REQUIRED_LIBRARIES elf)
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INCLUDE(CheckCXXSourceCompiles)
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CHECK_CXX_SOURCE_COMPILES("#include <libelf.h>
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int main() {
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Elf *e = (Elf*)0;
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size_t sz;
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elf_getshdrstrndx(e, &sz);
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return 0;
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}" ELF_GETSHDRSTRNDX)
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mark_as_advanced(LIBELF_INCLUDE_DIRS LIBELF_LIBRARIES ELF_GETSHDRSTRNDX)
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if(LIBELF_FOUND)
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add_library(elf::elf UNKNOWN IMPORTED)
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set_property(TARGET elf::elf PROPERTY IMPORTED_LOCATION ${LIBELF_LIBRARIES})
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set_property(TARGET elf::elf PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${LIBELF_INCLUDE_DIRS})
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endif()
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