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#.rst:
# Findelfutils
# -----------------
#
# Try to locate the elfutils development installation
#
# On Debian-like systems, you can install libdw-dev.
#
# Otherwise, the ``ELFUTILS_INSTALL_DIR`` (CMake or Environment) variable
# can be used to pinpoint the elfutils binary installation
#
# If found, this will define the following variables:
#
# ``elfutils_FOUND``
# True if the elfutils header and library files have been found
#
# ``elfutils::dw``
# ``elfutils::elf``
# Imported targets containing the includes and libraries need to build
# against
#
if (TARGET elfutils::dw AND TARGET elfutils::elf)
set(elfutils_FOUND TRUE)
return()
endif()
find_path(ELFUTILS_INCLUDE_DIR
NAMES libdwfl.h elfutils/libdwfl.h
PATH_SUFFIXES include
HINTS
"${ELFUTILS_INSTALL_DIR}" ENV ELFUTILS_INSTALL_DIR "${CMAKE_PREFIX_PATH}"
)
foreach(lib dw elf eu_compat)
find_library(ELFUTILS_LIB_${lib}
NAMES ${lib}
PATH_SUFFIXES lib
HINTS
"${ELFUTILS_INSTALL_DIR}" ENV ELFUTILS_INSTALL_DIR "${CMAKE_PREFIX_PATH}"
)
endforeach()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(elfutils
DEFAULT_MSG
ELFUTILS_INCLUDE_DIR ELFUTILS_LIB_dw ELFUTILS_LIB_elf
)
if(elfutils_FOUND)
foreach(lib dw elf)
if (NOT TARGET elfutils::${lib})
add_library(elfutils::${lib} UNKNOWN IMPORTED)
set_target_properties(elfutils::${lib}
PROPERTIES
IMPORTED_LOCATION "${ELFUTILS_LIB_${lib}}"
INTERFACE_INCLUDE_DIRECTORIES
"${ELFUTILS_INCLUDE_DIR};${ELFUTILS_INCLUDE_DIR}/elfutils"
)
if (ELFUTILS_LIB_eu_compat)
target_link_libraries(elfutils::${lib} INTERFACE ${ELFUTILS_LIB_eu_compat})
endif()
endif()
endforeach()
else()
message(STATUS " (set ELFUTILS_INSTALL_DIR, or install libdw-dev on a Debian-like system)")
endif()
mark_as_advanced(ELFUTILS_INCLUDE_DIR ELFUTILS_LIB_elf ELFUTILS_LIB_dw)
include(FeatureSummary)
set_package_properties(elfutils PROPERTIES
URL "https://sourceware.org/elfutils/"
DESCRIPTION "a collection of utilities and libraries to read, create and modify ELF binary files")
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