1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/make/altsrc.make Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,96 @@
1.4 +#
1.5 +# Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
1.6 +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 +#
1.8 +# This code is free software; you can redistribute it and/or modify it
1.9 +# under the terms of the GNU General Public License version 2 only, as
1.10 +# published by the Free Software Foundation.
1.11 +#
1.12 +# This code is distributed in the hope that it will be useful, but WITHOUT
1.13 +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 +# version 2 for more details (a copy is included in the LICENSE file that
1.16 +# accompanied this code).
1.17 +#
1.18 +# You should have received a copy of the GNU General Public License version
1.19 +# 2 along with this work; if not, write to the Free Software Foundation,
1.20 +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 +#
1.22 +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 +# or visit www.oracle.com if you need additional information or have any
1.24 +# questions.
1.25 +#
1.26 +#
1.27 +
1.28 +# This file defines variables and macros which are used in the makefiles to
1.29 +# allow distributions to augment or replace common hotspot code with
1.30 +# distribution-specific source files. This capability is disabled when
1.31 +# an OPENJDK build is requested, unless HS_ALT_SRC_REL has been set externally.
1.32 +
1.33 +# Requires: GAMMADIR
1.34 +# Provides:
1.35 +# variables: HS_COMMON_SRC, HS_ALT_SRC, HS_COMMON_SRC_REL, and HS_ALT_SRC_REL
1.36 +# functions: altsrc-equiv, if-has-altsrc, altsrc, altsrc-replace
1.37 +
1.38 +HS_COMMON_SRC_REL=src
1.39 +
1.40 +ifneq ($(OPENJDK),true)
1.41 + # This needs to be changed to a more generic location, but we keep it
1.42 + # as this for now for compatibility
1.43 + HS_ALT_SRC_REL=src/closed
1.44 +else
1.45 + HS_ALT_SRC_REL=NO_SUCH_PATH
1.46 +endif
1.47 +
1.48 +HS_COMMON_SRC=$(GAMMADIR)/$(HS_COMMON_SRC_REL)
1.49 +HS_ALT_SRC=$(GAMMADIR)/$(HS_ALT_SRC_REL)
1.50 +
1.51 +## altsrc-equiv
1.52 +#
1.53 +# Convert a common source path to an alternative source path
1.54 +#
1.55 +# Parameter: An absolute path into the common sources
1.56 +# Result: The matching path to the alternate-source location
1.57 +#
1.58 +altsrc-equiv=$(subst $(HS_COMMON_SRC)/,$(HS_ALT_SRC)/,$(1))
1.59 +
1.60 +
1.61 +## if-has-altsrc
1.62 +#
1.63 +# Conditional macro to test for the existence of an alternate source path
1.64 +#
1.65 +# Parameter: An absolute path into the common sources
1.66 +# Parameter: Result if the alternative-source location exists
1.67 +# Parameter: Result if the alternative-source location does not exist
1.68 +# Result: expands to parameter 2 or 3 depending on existence of alternate source
1.69 +#
1.70 +if-has-altsrc=$(if $(wildcard $(call altsrc-equiv,$(1))),$(2),$(3))
1.71 +
1.72 +
1.73 +## altsrc
1.74 +#
1.75 +# Converts common source path to alternate source path if the alternate
1.76 +# path exists, otherwise evaluates to nul (empty string)
1.77 +#
1.78 +# Parameter: An absolute path into the common sources
1.79 +# Result: The equivalent path to the alternate-source location, if such a
1.80 +# location exists on the filesystem. Otherwise it expands to empty.
1.81 +#
1.82 +altsrc=$(call if-has-altsrc,$(1),$(call altsrc-equiv,$(1)))
1.83 +
1.84 +## commonsrc
1.85 +#
1.86 +# Returns parameter.
1.87 +#
1.88 +commonsrc=$(1)
1.89 +
1.90 +
1.91 +## altsrc-replace
1.92 +#
1.93 +# Converts a common source path to an alternate source path if the alternate
1.94 +# source path exists. Otherwise it evaluates to the input common source path.
1.95 +#
1.96 +# Parameter: An absolute path into the common sources
1.97 +# Result: A path to either the common or alternate sources
1.98 +#
1.99 +altsrc-replace=$(call if-has-altsrc,$(1),$(call altsrc-equiv,$(1)),$(1))
