Add 'projects/rocprofiler-sdk/' from commit 'bf0fad1d5406fbc51403ba1aa9621a9d4a9bce2b'

git-subtree-dir: projects/rocprofiler-sdk
git-subtree-mainline: 50a90550e9
git-subtree-split: bf0fad1d54

projects/rocprofiler-sdk/cmake/Modules/Findlibelf.cmake

@@ -0,0 +1,83 @@
+# Try to find libelf headers and libraries.
+#
+# Usage of this module as follows:
+#
+# find_package(libelf)
+#
+# Variables used by this module, they can change the default behaviour and need
+# to be set before calling find_package:
+#
+# libelf_ROOT         Set this variable to the root installation of
+#                     libelf if the module has problems finding the
+#                     proper installation path.
+#
+# Variables defined by this module:
+#
+# libelf_FOUND              System has libelf libraries and headers
+# libelf_LIBRARIES          The libelf library
+# libelf_INCLUDE_DIRS       The location of libelf headers
+#
+# Interface targets defined by this module:
+#
+# libelf::libelf
+#
+
+find_package(PkgConfig)
+
+if(PkgConfig_FOUND)
+    set(ENV{PKG_CONFIG_SYSTEM_INCLUDE_PATH} "")
+    pkg_check_modules(ELF libelf)
+
+    if(ELF_FOUND
+       AND ELF_INCLUDE_DIRS
+       AND ELF_LIBRARIES)
+        set(libelf_INCLUDE_DIR
+            "${ELF_INCLUDE_DIRS}"
+            CACHE FILEPATH "libelf include directory")
+        set(libelf_LIBRARY
+            "${ELF_LIBRARIES}"
+            CACHE FILEPATH "libelf libraries")
+    endif()
+endif()
+
+if(NOT libelf_INCLUDE_DIR OR NOT libelf_LIBRARY)
+    find_path(
+        libelf_ROOT_DIR
+        NAMES include/elf.h
+        HINTS ${libelf_ROOT}
+        PATHS ${libelf_ROOT})
+
+    mark_as_advanced(libelf_ROOT_DIR)
+
+    find_path(
+        libelf_INCLUDE_DIR
+        NAMES elf.h
+        HINTS ${libelf_ROOT}
+        PATHS ${libelf_ROOT}
+        PATH_SUFFIXES include)
+
+    find_library(
+        libelf_LIBRARY
+        NAMES elf
+        HINTS ${libelf_ROOT}
+        PATHS ${libelf_ROOT}
+        PATH_SUFFIXES lib lib64)
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(libelf DEFAULT_MSG libelf_LIBRARY libelf_INCLUDE_DIR)
+
+if(libelf_FOUND)
+    if(NOT TARGET libelf::libelf)
+        add_library(libelf::libelf INTERFACE IMPORTED)
+    endif()
+
+    if(TARGET PkgConfig::ELF AND ELF_FOUND)
+        target_link_libraries(libelf::libelf INTERFACE PkgConfig::ELF)
+    else()
+        target_link_libraries(libelf::libelf INTERFACE ${libelf_LIBRARY})
+        target_include_directories(libelf::libelf SYSTEM INTERFACE ${libelf_INCLUDE_DIR})
+    endif()
+endif()
+
+mark_as_advanced(libelf_INCLUDE_DIR libelf_LIBRARY)