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TheRock/rocm-systems/projects/rocprofiler-sdk/cmake/Modules/Findlibdw.cmake
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95 lines
2.5 KiB
CMake

# Try to find libdw headers and libraries.
#
# Usage of this module as follows:
#
# find_package(libdw)
#
# Variables used by this module, they can change the default behaviour and need
# to be set before calling find_package:
#
# libdw_ROOT Set this variable to the root installation of
# libdw if the module has problems finding the
# proper installation path.
#
# Variables defined by this module:
#
# libdw_FOUND System has libdw libraries and headers
# libdw_LIBRARIES The libdw library
# libdw_INCLUDE_DIRS The location of libdw headers
#
# Interface targets defined by this module:
#
# libdw::libdw
#
find_package(PkgConfig)
if(PkgConfig_FOUND)
set(ENV{PKG_CONFIG_SYSTEM_INCLUDE_PATH} "")
pkg_check_modules(DW libdw)
if(DW_FOUND
AND DW_INCLUDE_DIRS
AND DW_LINK_LIBRARIES)
set(libdw_INCLUDE_DIR
"${DW_INCLUDE_DIRS}"
CACHE FILEPATH "libdw include directory")
set(libdw_LIBRARY
"${DW_LINK_LIBRARIES}"
CACHE FILEPATH "libdw libraries")
if(DW_PREFIX)
set(libdw_ROOT_DIR
"${DW_PREFIX}"
CACHE FILEPATH "libdw root directory")
endif()
if(DW_VERSION)
set(libdw_VERSION
"${DW_VERSION}"
CACHE FILEPATH "libdw version")
endif()
endif()
endif()
if(NOT libdw_INCLUDE_DIR OR NOT libdw_LIBRARY)
find_path(
libdw_ROOT_DIR
NAMES include/elfutils/libdw.h
HINTS ${libdw_ROOT}
PATHS ${libdw_ROOT})
mark_as_advanced(libdw_ROOT_DIR)
find_path(
libdw_INCLUDE_DIR
NAMES elfutils/libdw.h
HINTS ${libdw_ROOT}
PATHS ${libdw_ROOT}
PATH_SUFFIXES include)
find_library(
libdw_LIBRARY
NAMES dw
HINTS ${libdw_ROOT}
PATHS ${libdw_ROOT}
PATH_SUFFIXES lib lib64)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(libdw DEFAULT_MSG libdw_LIBRARY libdw_INCLUDE_DIR)
if(libdw_FOUND)
if(NOT TARGET libdw::libdw)
add_library(libdw::libdw INTERFACE IMPORTED)
if(TARGET PkgConfig::DW AND DW_FOUND)
target_link_libraries(libdw::libdw INTERFACE PkgConfig::DW)
else()
target_link_libraries(libdw::libdw INTERFACE ${libdw_LIBRARY})
target_include_directories(libdw::libdw SYSTEM INTERFACE ${libdw_INCLUDE_DIR})
endif()
endif()
endif()
mark_as_advanced(libdw_INCLUDE_DIR libdw_LIBRARY)