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common/makefiles/MakeHelpers.gmk@3156dff953b1
common/makefiles/MakeHelpers.gmk
Thu, 05 Jul 2012 18:27:07 -0700
- author
- erikj
- date
- Thu, 05 Jul 2012 18:27:07 -0700
- changeset 459
- 3156dff953b1
- child 478
- 2ba6f4da4bf3
- permissions
- -rw-r--r--
7182051: Update of latest build-infra Makefiles (missing files)
Reviewed-by: ohair
1 #
2 # Copyright (c) 2011, 2012, 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. Oracle designates this
8 # particular file as subject to the "Classpath" exception as provided
9 # by Oracle in the LICENSE file that accompanied this code.
10 #
11 # This code is distributed in the hope that it will be useful, but WITHOUT
12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 # version 2 for more details (a copy is included in the LICENSE file that
15 # accompanied this code).
16 #
17 # You should have received a copy of the GNU General Public License version
18 # 2 along with this work; if not, write to the Free Software Foundation,
19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 #
21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 # or visit www.oracle.com if you need additional information or have any
23 # questions.
24 #
26 ################################################################
27 #
28 # This file contains helper functions for the top-level Makefile that does
29 # not depend on the spec.gmk file having been read. (The purpose of this
30 # file is ju to avoid cluttering the top-level Makefile.)
31 #
32 ################################################################
34 ifndef _MAKEHELPERS_GMK
35 _MAKEHELPERS_GMK := 1
37 ##############################
38 # Stuff to run at include time
39 ##############################
41 # Find out which variables were passed explicitely on the make command line. These
42 # will be passed on to sub-makes, overriding spec.gmk settings.
43 MAKE_ARGS=$(foreach var,$(subst =command,,$(filter %=command,$(foreach var,$(.VARIABLES),$(var)=$(firstword $(origin $(var)))))),$(var)=$($(var)))
45 list_alt_overrides_with_origins=$(filter ALT_%=environment ALT_%=command,$(foreach var,$(.VARIABLES),$(var)=$(firstword $(origin $(var)))))
46 list_alt_overrides=$(subst =command,,$(subst =environment,,$(list_alt_overrides_with_origins)))
48 ##############################
49 # Functions
50 ##############################
52 define fatal-error
53 # If the user specificed a "global" target (e.g. 'help'), do not exit but continue running
54 $$(if $$(findstring help,$$(MAKECMDGOALS)),,$$(error Cannot continue))
55 endef
57 define ParseLogLevel
58 ifeq ($$(origin VERBOSE),undefined)
59 # Setup logging according to LOG (but only if VERBOSE is not given)
60 ifeq ($$(LOG),)
61 # Set LOG to "warn" as default if not set (and no VERBOSE given)
62 LOG=warn
63 endif
64 ifeq ($$(LOG),warn)
65 VERBOSE=-s
66 else ifeq ($$(LOG),info)
67 VERBOSE=
68 else ifeq ($$(LOG),debug)
69 VERBOSE=
70 else ifeq ($$(LOG),trace)
71 VERBOSE=-d -p
72 else
73 $$(info Error: LOG must be one of: warn, info, debug or trace.)
74 $$(eval $$(call fatal-error))
75 endif
76 else
77 ifneq ($$(LOG),)
78 # We have both a VERBOSE and a LOG argument. This is OK only if this is a repeated call by ourselves,
79 # but complain if this is the top-level make call.
80 ifeq ($$(MAKELEVEL),0)
81 $$(info Cannot use LOG=$$(LOG) and VERBOSE=$$(VERBOSE) at the same time. Choose one.)
82 $$(eval $$(call fatal-error))
83 endif
84 endif
85 endif
86 endef
88 # TODO: Fix duplication in MakeBase.gmk
89 define SetupLogging
90 ifneq ($(findstring $(LOG),debug trace),)
91 # Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
92 OLD_SHELL:=$$(SHELL)
93 SHELL = $$(warning Building $$@$$(if $$<, (from $$<))$(if $$?, ($$? newer)))$$(OLD_SHELL) -x
94 endif
95 endef
97 define ParseConfAndSpec
98 ifneq ($$(origin SPEC),undefined)
99 # We have been given a SPEC, check that it works out properly
100 ifeq ($$(wildcard $$(SPEC)),)
101 $$(info Cannot locate spec.gmk, given by SPEC=$$(SPEC))
102 $$(eval $$(call fatal-error))
103 endif
104 ifneq ($$(origin CONF),undefined)
105 # We also have a CONF argument. This is OK only if this is a repeated call by ourselves,
106 # but complain if this is the top-level make call.
107 ifeq ($$(MAKELEVEL),0)
108 $$(info Cannot use CONF=$$(CONF) and SPEC=$$(SPEC) at the same time. Choose one.)
109 $$(eval $$(call fatal-error))
110 endif
111 endif
112 # ... OK, we're satisfied, we'll use this SPEC later on
113 else
114 # Find all spec.gmk files in the build output directory
115 output_dir=$$(root_dir)/build
116 all_spec_files=$$(wildcard $$(output_dir)/*/spec.gmk)
117 ifeq ($$(all_spec_files),)
118 $$(info No configurations found for $$(root_dir)! Please run configure to create a configuration.)
119 $$(eval $$(call fatal-error))
120 endif
121 # Extract the configuration names from the path
122 all_confs=$$(patsubst %/spec.gmk,%,$$(patsubst $$(output_dir)/%,%,$$(all_spec_files)))
124 ifneq ($$(origin CONF),undefined)
125 # User have given a CONF= argument.
126 ifeq ($$(CONF),)
127 # If given CONF=, match all configurations
128 matching_confs=$$(strip $$(all_confs))
129 else
130 # Otherwise select those that contain the given CONF string
131 matching_confs=$$(strip $$(foreach var,$$(all_confs),$$(if $$(findstring $$(CONF),$$(var)),$$(var))))
132 endif
133 ifeq ($$(matching_confs),)
134 $$(info No configurations found matching CONF=$$(CONF))
135 $$(info Available configurations:)
136 $$(foreach var,$$(all_confs),$$(info * $$(var)))
137 $$(eval $$(call fatal-error))
138 else
139 ifeq ($$(words $$(matching_confs)),1)
140 $$(info Building '$$(matching_confs)' (matching CONF=$$(CONF)))
141 else
142 $$(info Building the following configurations (matching CONF=$$(CONF)):)
143 $$(foreach var,$$(matching_confs),$$(info * $$(var)))
144 endif
145 endif
147 # Create a SPEC definition. This will contain the path to one or more spec.gmk files.
148 SPEC=$$(addsuffix /spec.gmk,$$(addprefix $$(output_dir)/,$$(matching_confs)))
149 else
150 # No CONF or SPEC given, check the available configurations
151 ifneq ($$(words $$(all_spec_files)),1)
152 $$(info No CONF or SPEC given, but more than one spec.gmk found in $$(output_dir).)
153 $$(info Available configurations:)
154 $$(foreach var,$$(all_confs),$$(info * $$(var)))
155 $$(info Please retry building with CONF=<config> or SPEC=<specfile>)
156 $$(eval $$(call fatal-error))
157 endif
159 # We found exactly one configuration, use it
160 SPEC=$$(strip $$(all_spec_files))
161 endif
162 endif
163 endef
165 define CheckEnvironment
166 # Find all environment or command line variables that begin with ALT.
167 $(if $(list_alt_overrides),
168 @$(PRINTF) "\nWARNING: You have the following ALT_ variables set:\n"
169 @$(PRINTF) "$(foreach var,$(list_alt_overrides),$(var)=$$$(var))\n"
170 @$(PRINTF) "ALT_ variables are deprecated and will be ignored. Please clean your environment.\n\n"
171 )
172 endef
174 define PrintStartMessage
175 $(if $(VERBOSE),,@$(ECHO) Running make as $(MAKE) $(MFLAGS) $(MAKE_ARGS))
176 $(call CheckEnvironment)
177 @$(ECHO) "Building OpenJDK for target $(if $(MAKECMDGOALS),'$(MAKECMDGOALS)','all') in configuration '$(CONF_NAME)'"
178 endef
180 define PrintEndMessage
181 @$(ECHO) "Finished building OpenJDK for target '$@'"
182 $(call CheckEnvironment)
183 endef
185 endif # _MAKEHELPERS_GMK
