aoqi@0: #
aoqi@0: # Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0: #
aoqi@0: # This code is free software; you can redistribute it and/or modify it
aoqi@0: # under the terms of the GNU General Public License version 2 only, as
aoqi@0: # published by the Free Software Foundation.
aoqi@0: #
aoqi@0: # This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0: # version 2 for more details (a copy is included in the LICENSE file that
aoqi@0: # accompanied this code).
aoqi@0: #
aoqi@0: # You should have received a copy of the GNU General Public License version
aoqi@0: # 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0: #
aoqi@0: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0: # or visit www.oracle.com if you need additional information or have any
aoqi@0: # questions.
aoqi@0: #  
aoqi@0: #
aoqi@0: 
aoqi@0: # This file defines variables and macros which are used in the makefiles to 
aoqi@0: # allow distributions to augment or replace common hotspot code with 
aoqi@0: # distribution-specific source files. This capability is disabled when
aoqi@0: # an OPENJDK build is requested, unless HS_ALT_SRC_REL has been set externally.
aoqi@0: 
aoqi@0: # Requires: GAMMADIR
aoqi@0: # Provides:
aoqi@0: #   variables: HS_COMMON_SRC, HS_ALT_SRC, HS_COMMON_SRC_REL, and HS_ALT_SRC_REL
aoqi@0: #   functions: altsrc-equiv, if-has-altsrc, altsrc, altsrc-replace
aoqi@0: 
aoqi@0: HS_COMMON_SRC_REL=src
aoqi@0: 
aoqi@0: ifneq ($(OPENJDK),true)
aoqi@0:   # This needs to be changed to a more generic location, but we keep it 
aoqi@0:   # as this for now for compatibility
aoqi@0:   HS_ALT_SRC_REL=src/closed
aoqi@0: else
aoqi@0:   HS_ALT_SRC_REL=NO_SUCH_PATH
aoqi@0: endif
aoqi@0: 
aoqi@0: HS_COMMON_SRC=$(GAMMADIR)/$(HS_COMMON_SRC_REL)
aoqi@0: HS_ALT_SRC=$(GAMMADIR)/$(HS_ALT_SRC_REL)
aoqi@0: 
aoqi@0: ## altsrc-equiv 
aoqi@0: # 
aoqi@0: # Convert a common source path to an alternative source path
aoqi@0: #
aoqi@0: # Parameter: An absolute path into the common sources
aoqi@0: # Result: The matching path to the alternate-source location
aoqi@0: #
aoqi@0: altsrc-equiv=$(subst $(HS_COMMON_SRC)/,$(HS_ALT_SRC)/,$(1))
aoqi@0: 
aoqi@0: 
aoqi@0: ## if-has-altsrc
aoqi@0: #
aoqi@0: # Conditional macro to test for the existence of an alternate source path
aoqi@0: #
aoqi@0: # Parameter: An absolute path into the common sources
aoqi@0: # Parameter: Result if the alternative-source location exists
aoqi@0: # Parameter: Result if the alternative-source location does not exist
aoqi@0: # Result: expands to parameter 2 or 3 depending on existence of alternate source
aoqi@0: #
aoqi@0: if-has-altsrc=$(if $(wildcard $(call altsrc-equiv,$(1))),$(2),$(3))
aoqi@0: 
aoqi@0: 
aoqi@0: ## altsrc
aoqi@0: #
aoqi@0: # Converts common source path to alternate source path if the alternate 
aoqi@0: # path exists, otherwise evaluates to nul (empty string)
aoqi@0: # 
aoqi@0: # Parameter: An absolute path into the common sources
aoqi@0: # Result: The equivalent path to the alternate-source location, if such a 
aoqi@0: #         location exists on the filesystem.  Otherwise it expands to empty.
aoqi@0: # 
aoqi@0: altsrc=$(call if-has-altsrc,$(1),$(call altsrc-equiv,$(1)))
aoqi@0: 
aoqi@0: ## commonsrc
aoqi@0: # 
aoqi@0: # Returns parameter.
aoqi@0: #
aoqi@0: commonsrc=$(1)
aoqi@0: 
aoqi@0: 
aoqi@0: ## altsrc-replace
aoqi@0: #
aoqi@0: # Converts a common source path to an alternate source path if the alternate
aoqi@0: # source path exists.  Otherwise it evaluates to the input common source path.
aoqi@0: #
aoqi@0: # Parameter: An absolute path into the common sources
aoqi@0: # Result: A path to either the common or alternate sources
aoqi@0: #
aoqi@0: altsrc-replace=$(call if-has-altsrc,$(1),$(call altsrc-equiv,$(1)),$(1))