Check open source core runtime code into perforce. This includes license and README files.

[git-p4: depot-paths = "//depot/stg/hsa/drivers/hsa/runtime/": change = 1249136]

runtime/hsa-runtime/cmake_modules/FindLibElf.cmake

@@ -0,0 +1,69 @@
+# - 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()