[PTI-LIB] Fix Build on oneAPI 2025.1 (#486)

The Unified Runtime public api header file changed file path. It does
this frequently between oneAPI releases.

This iterates though common include paths until one is found and uses
that to generate the api ids.

Signed-off-by: Schilling, Matthew <[email protected]>

Author: mschilling0

sdk/cmake/Modules/macros.cmake

@@ -35,7 +35,7 @@ macro(FindHeadersPath TARGET L0_GEN_SCRIPT GEN_FILE_NAME custom_target L0_TARGET
 
   # HINTS before PATHS
   find_path(L0_INC_PATH
-    NAMES level_zero
+    NAMES level_zero/ze_api.h
     HINTS ${L0_TARGET_PATH}
     PATHS ENV CPATH)
   if (NOT L0_INC_PATH)
@@ -360,7 +360,7 @@ macro(AddApiGenTarget L0_GEN_SCRIPT GEN_FILE_NAME L0_TARGET)
 
   # HINTS before PATHS
   find_path(L0_INC_PATH
-    NAMES level_zero
+    NAMES level_zero/ze_api.h
     HINTS ${L0_TARGET_PATH}
     PATHS ENV CPATH)
   if (NOT L0_INC_PATH)

sdk/src/gen_tracing_callbacks.py

@@ -18,6 +18,7 @@
 STATE_CONDITION = 1
 STATE_SKIP = 2
 FILE_OPEN_PERMISSIONS = 0o600
+DEFAULT_UNIFIED_RUNTIME_PUBLIC_HEADERS = ["ur_api.h", "sycl/ur_api.h"]
 
 
 # https://docs.python.org/3/library/functions.html#open
@@ -47,6 +48,38 @@ def get_ocl_api_list(ocl_path):
     return func_list
 
 
+def get_ur_api_file_path(include_file_path, include_file=None):
+    """
+    Given include file path (typically passed to the compiler and found by the
+    build system), find where the unified runtime public API header file is.
+    """
+
+    # Invalid directory.
+    if os.path.exists(include_file_path) == False:
+        raise Exception("Passed non-existent file path for UR headers")
+
+    ur_file_path = include_file_path
+
+    # Assume passed the full path to file.
+    if os.path.isfile(ur_file_path) == True:
+        return ur_file_path
+
+    if include_file != None:
+        ur_file_path = os.path.join(ur_file_path, include_file)
+
+        if os.path.exists(ur_file_path) == False:
+            raise Exception("Passed non-existent file path for UR headers")
+
+        return ur_file_path
+
+    for header in DEFAULT_UNIFIED_RUNTIME_PUBLIC_HEADERS:
+        if os.path.isfile(os.path.join(ur_file_path, header)):
+            ur_file_path = os.path.join(ur_file_path, header)
+            break
+
+    return ur_file_path
+
+
 #
 # Extracts api function names from ur_api.h and returns as list.
 # Note:  The ur_api.h contains predefined ids for each api -- assumption is no recycle on deprecation.
@@ -924,9 +957,13 @@ def main():
 
     pti_inc_path = sys.argv[4]
     ur_path = sys.argv[5]
-    ur_file_path = os.path.join(ur_path, "sycl/ur_api.h")
+    ur_file_path = get_ur_api_file_path(ur_path)
+
+    if os.path.isfile(ur_file_path) == True:
+        print("Found UR Path: ", ur_file_path)
+    else:
+        sys.exit("UR file not found: " + ur_file_path)
 
-    print("Found UR Path: ", ur_path)
     regen_api_files = False  # Should we regenerate and update api_id_files as well?
     if sys.argv[6] == "ON":
         print("Regeneration of api files requested!")