SWDEV-354543 Remove explicit install permission, Enhanced comments

Change-Id: Ie7a3b5b026666d65056e426eb7fa9c184a46eb07


[ROCm/rocm-core commit: c9058d2442]

projects/rocm-core/CMakeLists.txt

@@ -123,7 +123,6 @@ endif()
 file ( WRITE "${CMAKE_CURRENT_BINARY_DIR}/version" "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}-${BUILD_ID}\n" )
 install ( FILES ${CMAKE_CURRENT_BINARY_DIR}/version DESTINATION .info COMPONENT runtime )
 install ( TARGETS ${CORE_TARGET} DESTINATION ${CMAKE_INSTALL_LIBDIR}
-          PERMISSIONS OWNER_WRITE OWNER_READ OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
           COMPONENT ${COMP_TYPE} )
 install ( FILES ${BUILD_DIR}/rocm_version.h ${BUILD_DIR}/rocm_getpath.h
           DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/rocm-core

projects/rocm-core/rocm_getpath.cpp

@@ -99,6 +99,8 @@ static int getROCmBase(char *buf)
   char libFileName[LIBRARY_FILENAME_BUFSZ];
   char *end=NULL;
 
+  // Check Environment Variable is set for ROCM
+  // install base path, then use it directly.
   if ((envStr = getenv("ROCM_PATH"))) {
     /* User space override, essentially just copied through as long as it is not too long */
     len = strlen(envStr);
@@ -119,6 +121,9 @@ static int getROCmBase(char *buf)
     }
   }
 
+  // If Environment Variable is not set
+  // use dl APIs to get target lib path
+  // and get rocm base install path using the lib Path.
   sprintf(libFileName, "lib%s.so", TARGET_LIBRARY_NAME);
   void *handle=dlopen(libFileName,RTLD_NOW);
   if (!handle){