bobv@2508: #
bobv@2508: # Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
bobv@2508: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
bobv@2508: #
bobv@2508: # This code is free software; you can redistribute it and/or modify it
bobv@2508: # under the terms of the GNU General Public License version 2 only, as
bobv@2508: # published by the Free Software Foundation.
bobv@2508: #
bobv@2508: # This code is distributed in the hope that it will be useful, but WITHOUT
bobv@2508: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
bobv@2508: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
bobv@2508: # version 2 for more details (a copy is included in the LICENSE file that
bobv@2508: # accompanied this code).
bobv@2508: #
bobv@2508: # You should have received a copy of the GNU General Public License version
bobv@2508: # 2 along with this work; if not, write to the Free Software Foundation,
bobv@2508: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
bobv@2508: #
bobv@2508: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
bobv@2508: # or visit www.oracle.com if you need additional information or have any
bobv@2508: # questions.
bobv@2508: #  
bobv@2508: #
bobv@2508: 
kamg@2515: # This file defines variables and macros which are used in the makefiles to 
kamg@2515: # allow distributions to augment or replace common hotspot code with 
dholmes@2863: # distribution-specific source files. This capability is disabled when
dholmes@2863: # an OPENJDK build is requested, unless HS_ALT_SRC_REL has been set externally.
bobv@2508: 
kamg@2515: # Requires: GAMMADIR
kamg@2515: # Provides:
kamg@2515: #   variables: HS_COMMON_SRC, HS_ALT_SRC, HS_COMMON_SRC_REL, and HS_ALT_SRC_REL
kamg@2515: #   functions: altsrc-equiv, if-has-altsrc, altsrc, altsrc-replace
bobv@2508: 
kamg@2515: HS_COMMON_SRC_REL=src
bobv@2508: 
dholmes@2863: ifneq ($(OPENJDK),true)
dholmes@2863:   # This needs to be changed to a more generic location, but we keep it 
dholmes@2863:   # as this for now for compatibility
dholmes@2863:   HS_ALT_SRC_REL=src/closed
dholmes@2863: else
dholmes@2863:   HS_ALT_SRC_REL=NO_SUCH_PATH
dholmes@2863: endif
bobv@2508: 
kamg@2515: HS_COMMON_SRC=$(GAMMADIR)/$(HS_COMMON_SRC_REL)
kamg@2515: HS_ALT_SRC=$(GAMMADIR)/$(HS_ALT_SRC_REL)
bobv@2508: 
kamg@2515: ## altsrc-equiv 
kamg@2515: # 
kamg@2515: # Convert a common source path to an alternative source path
kamg@2515: #
kamg@2515: # Parameter: An absolute path into the common sources
kamg@2515: # Result: The matching path to the alternate-source location
kamg@2515: #
kamg@2515: altsrc-equiv=$(subst $(HS_COMMON_SRC)/,$(HS_ALT_SRC)/,$(1))
bobv@2508: 
kamg@2515: 
kamg@2515: ## if-has-altsrc
kamg@2515: #
kamg@2515: # Conditional macro to test for the existence of an alternate source path
kamg@2515: #
kamg@2515: # Parameter: An absolute path into the common sources
kamg@2515: # Parameter: Result if the alternative-source location exists
kamg@2515: # Parameter: Result if the alternative-source location does not exist
kamg@2515: # Result: expands to parameter 2 or 3 depending on existence of alternate source
kamg@2515: #
kamg@2515: if-has-altsrc=$(if $(wildcard $(call altsrc-equiv,$(1))),$(2),$(3))
kamg@2515: 
kamg@2515: 
kamg@2515: ## altsrc
kamg@2515: #
kamg@2515: # Converts common source path to alternate source path if the alternate 
kamg@2515: # path exists, otherwise evaluates to nul (empty string)
kamg@2515: # 
kamg@2515: # Parameter: An absolute path into the common sources
kamg@2515: # Result: The equivalent path to the alternate-source location, if such a 
kamg@2515: #         location exists on the filesystem.  Otherwise it expands to empty.
kamg@2515: # 
kamg@2515: altsrc=$(call if-has-altsrc,$(1),$(call altsrc-equiv,$(1)))
kamg@2515: 
kamg@2515: ## commonsrc
kamg@2515: # 
kamg@2515: # Returns parameter.
kamg@2515: #
kamg@2515: commonsrc=$(1)
kamg@2515: 
kamg@2515: 
kamg@2515: ## altsrc-replace
kamg@2515: #
kamg@2515: # Converts a common source path to an alternate source path if the alternate
kamg@2515: # source path exists.  Otherwise it evaluates to the input common source path.
kamg@2515: #
kamg@2515: # Parameter: An absolute path into the common sources
kamg@2515: # Result: A path to either the common or alternate sources
kamg@2515: #
kamg@2515: altsrc-replace=$(call if-has-altsrc,$(1),$(call altsrc-equiv,$(1)),$(1))