Thu, 23 Oct 2014 12:02:08 -0700
Merge
1 #
2 # Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 #
5 # This code is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License version 2 only, as
7 # published by the Free Software Foundation.
8 #
9 # This code is distributed in the hope that it will be useful, but WITHOUT
10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 # version 2 for more details (a copy is included in the LICENSE file that
13 # accompanied this code).
14 #
15 # You should have received a copy of the GNU General Public License version
16 # 2 along with this work; if not, write to the Free Software Foundation,
17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 #
19 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 # or visit www.oracle.com if you need additional information or have any
21 # questions.
22 #
23 #
25 # This file defines variables and macros which are used in the makefiles to
26 # allow distributions to augment or replace common hotspot code with
27 # distribution-specific source files. This capability is disabled when
28 # an OPENJDK build is requested, unless HS_ALT_SRC_REL has been set externally.
30 # Requires: GAMMADIR
31 # Provides:
32 # variables: HS_COMMON_SRC, HS_ALT_SRC, HS_COMMON_SRC_REL, and HS_ALT_SRC_REL
33 # functions: altsrc-equiv, if-has-altsrc, altsrc, altsrc-replace
35 HS_COMMON_SRC_REL=src
37 ifneq ($(OPENJDK),true)
38 # This needs to be changed to a more generic location, but we keep it
39 # as this for now for compatibility
40 HS_ALT_SRC_REL=src/closed
41 else
42 HS_ALT_SRC_REL=NO_SUCH_PATH
43 endif
45 HS_COMMON_SRC=$(GAMMADIR)/$(HS_COMMON_SRC_REL)
46 HS_ALT_SRC=$(GAMMADIR)/$(HS_ALT_SRC_REL)
48 ## altsrc-equiv
49 #
50 # Convert a common source path to an alternative source path
51 #
52 # Parameter: An absolute path into the common sources
53 # Result: The matching path to the alternate-source location
54 #
55 altsrc-equiv=$(subst $(HS_COMMON_SRC)/,$(HS_ALT_SRC)/,$(1))
58 ## if-has-altsrc
59 #
60 # Conditional macro to test for the existence of an alternate source path
61 #
62 # Parameter: An absolute path into the common sources
63 # Parameter: Result if the alternative-source location exists
64 # Parameter: Result if the alternative-source location does not exist
65 # Result: expands to parameter 2 or 3 depending on existence of alternate source
66 #
67 if-has-altsrc=$(if $(wildcard $(call altsrc-equiv,$(1))),$(2),$(3))
70 ## altsrc
71 #
72 # Converts common source path to alternate source path if the alternate
73 # path exists, otherwise evaluates to nul (empty string)
74 #
75 # Parameter: An absolute path into the common sources
76 # Result: The equivalent path to the alternate-source location, if such a
77 # location exists on the filesystem. Otherwise it expands to empty.
78 #
79 altsrc=$(call if-has-altsrc,$(1),$(call altsrc-equiv,$(1)))
81 ## commonsrc
82 #
83 # Returns parameter.
84 #
85 commonsrc=$(1)
88 ## altsrc-replace
89 #
90 # Converts a common source path to an alternate source path if the alternate
91 # source path exists. Otherwise it evaluates to the input common source path.
92 #
93 # Parameter: An absolute path into the common sources
94 # Result: A path to either the common or alternate sources
95 #
96 altsrc-replace=$(call if-has-altsrc,$(1),$(call altsrc-equiv,$(1)),$(1))