#
# Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.  Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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#

################################################################################
# MakeSnippetStart.gmk should be included before including a makefile snippet
################################################################################

ifeq ($(THIS_SNIPPET), )
  $(error Internal makefile error: THIS_SNIPPET is not defined)
endif

# Print an indented message, also counting the top-level makefile as a level
ifeq ($(LOG_FLOW), true)
  $(info :$(foreach s, top $(HELPER_STACK),    )Enter $(THIS_SNIPPET) [snippet])
endif

# Push our helper name onto the stack
HELPER_STACK := $(THIS_SNIPPET) $(HELPER_STACK)

# Hook to include the corresponding custom file, if present.
ifneq ($(NO_CUSTOM_EXTENSIONS), true)
  CUSTOM_PRE_NAME := $(subst .gmk,-pre.gmk, $(THIS_SNIPPET))
  $(eval $(call IncludeCustomExtension, $(CUSTOM_PRE_NAME)))
endif