| # |
| # Copyright (c) 2011, 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. |
| # |
| # 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 |
| # or visit www.oracle.com if you need additional information or have any |
| # questions. |
| # |
| # |
| |
| # This file defines variables and macros which are used in the makefiles to |
| # allow distributions to augment or replace common hotspot code with |
| # distribution-specific source files. This capability is disabled when |
| # an OPENJDK build is requested, unless HS_ALT_SRC_REL has been set externally. |
| |
| # Requires: GAMMADIR |
| # Provides: |
| # variables: HS_COMMON_SRC, HS_ALT_SRC, HS_COMMON_SRC_REL, and HS_ALT_SRC_REL |
| # functions: altsrc-equiv, if-has-altsrc, altsrc, altsrc-replace |
| |
| HS_COMMON_SRC_REL=src |
| |
| ifneq ($(OPENJDK),true) |
| # This needs to be changed to a more generic location, but we keep it |
| # as this for now for compatibility |
| HS_ALT_SRC_REL=src/closed |
| else |
| HS_ALT_SRC_REL=NO_SUCH_PATH |
| endif |
| |
| HS_COMMON_SRC=$(GAMMADIR)/$(HS_COMMON_SRC_REL) |
| HS_ALT_SRC=$(GAMMADIR)/$(HS_ALT_SRC_REL) |
| |
| ## altsrc-equiv |
| # |
| # Convert a common source path to an alternative source path |
| # |
| # Parameter: An absolute path into the common sources |
| # Result: The matching path to the alternate-source location |
| # |
| altsrc-equiv=$(subst $(HS_COMMON_SRC)/,$(HS_ALT_SRC)/,$(1)) |
| |
| |
| ## if-has-altsrc |
| # |
| # Conditional macro to test for the existence of an alternate source path |
| # |
| # Parameter: An absolute path into the common sources |
| # Parameter: Result if the alternative-source location exists |
| # Parameter: Result if the alternative-source location does not exist |
| # Result: expands to parameter 2 or 3 depending on existence of alternate source |
| # |
| if-has-altsrc=$(if $(wildcard $(call altsrc-equiv,$(1))),$(2),$(3)) |
| |
| |
| ## altsrc |
| # |
| # Converts common source path to alternate source path if the alternate |
| # path exists, otherwise evaluates to nul (empty string) |
| # |
| # Parameter: An absolute path into the common sources |
| # Result: The equivalent path to the alternate-source location, if such a |
| # location exists on the filesystem. Otherwise it expands to empty. |
| # |
| altsrc=$(call if-has-altsrc,$(1),$(call altsrc-equiv,$(1))) |
| |
| ## commonsrc |
| # |
| # Returns parameter. |
| # |
| commonsrc=$(1) |
| |
| |
| ## altsrc-replace |
| # |
| # Converts a common source path to an alternate source path if the alternate |
| # source path exists. Otherwise it evaluates to the input common source path. |
| # |
| # Parameter: An absolute path into the common sources |
| # Result: A path to either the common or alternate sources |
| # |
| altsrc-replace=$(call if-has-altsrc,$(1),$(call altsrc-equiv,$(1)),$(1)) |