make/MakeHelpers.gmk

Mon, 14 Sep 2020 16:42:03 +0100

author
andrew
date
Mon, 14 Sep 2020 16:42:03 +0100
changeset 2554
7f60c2d9823e
parent 1140
6d0ebf545f49
child 1288
7801df19942d
permissions
-rw-r--r--

Added tag jdk8u272-b08 for changeset 34c6baf21464

     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 # Store the build times in this directory.
    49 BUILDTIMESDIR=$(OUTPUT_ROOT)/tmp/buildtimes
    51 # Global targets are possible to run either with or without a SPEC. The prototypical
    52 # global target is "help".
    53 global_targets=help
    55 ##############################
    56 # Functions
    57 ##############################
    59 define CheckEnvironment
    60         # Find all environment or command line variables that begin with ALT.
    61 	$(if $(list_alt_overrides),
    62 	  @$(PRINTF) "\nWARNING: You have the following ALT_ variables set:\n"
    63 	  @$(PRINTF) "$(foreach var,$(list_alt_overrides),$(var)=$$$(var))\n"
    64 	  @$(PRINTF) "ALT_ variables are deprecated and will be ignored. Please clean your environment.\n\n"
    65 	)
    66 endef
    68 ### Functions for timers
    70 # Record starting time for build of a sub repository.
    71 define RecordStartTime
    72 	$(MKDIR) -p $(BUILDTIMESDIR)
    73 	$(DATE) '+%Y %m %d %H %M %S' | $(NAWK) '{ print $$1,$$2,$$3,$$4,$$5,$$6,($$4*3600+$$5*60+$$6) }' > $(BUILDTIMESDIR)/build_time_start_$1
    74 	$(DATE) '+%Y-%m-%d %H:%M:%S' > $(BUILDTIMESDIR)/build_time_start_$1_human_readable
    75 endef
    77 # Record ending time and calculate the difference and store it in a
    78 # easy to read format. Handles builds that cross midnight. Expects
    79 # that a build will never take 24 hours or more.
    80 define RecordEndTime
    81 	$(DATE) '+%Y %m %d %H %M %S' | $(NAWK) '{ print $$1,$$2,$$3,$$4,$$5,$$6,($$4*3600+$$5*60+$$6) }' > $(BUILDTIMESDIR)/build_time_end_$1
    82 	$(DATE) '+%Y-%m-%d %H:%M:%S' > $(BUILDTIMESDIR)/build_time_end_$1_human_readable
    83 	$(ECHO) `$(CAT) $(BUILDTIMESDIR)/build_time_start_$1` `$(CAT) $(BUILDTIMESDIR)/build_time_end_$1` $1 | \
    84 	    $(NAWK) '{ F=$$7; T=$$14; if (F > T) { T+=3600*24 }; D=T-F; H=int(D/3600); \
    85 	    M=int((D-H*3600)/60); S=D-H*3600-M*60; printf("%02d:%02d:%02d %s\n",H,M,S,$$15); }' \
    86 	    > $(BUILDTIMESDIR)/build_time_diff_$1
    87 endef
    89 # Find all build_time_* files and print their contents in a list sorted
    90 # on the name of the sub repository.
    91 define ReportBuildTimes
    92 	$(BUILD_LOG_WRAPPER) $(PRINTF) -- "----- Build times -------\nStart %s\nEnd   %s\n%s\n%s\n-------------------------\n" \
    93 	    "`$(CAT) $(BUILDTIMESDIR)/build_time_start_TOTAL_human_readable`" \
    94 	    "`$(CAT) $(BUILDTIMESDIR)/build_time_end_TOTAL_human_readable`" \
    95 	    "`$(LS) $(BUILDTIMESDIR)/build_time_diff_* | $(GREP) -v _TOTAL | $(XARGS) $(CAT) | $(SORT) -k 2`" \
    96 	    "`$(CAT) $(BUILDTIMESDIR)/build_time_diff_TOTAL`"
    97 endef
    99 define ResetAllTimers
   100   $$(shell $(MKDIR) -p $(BUILDTIMESDIR) && $(RM) $(BUILDTIMESDIR)/build_time_*)
   101 endef
   103 define StartGlobalTimer
   104 	$(call RecordStartTime,TOTAL)
   105 endef
   107 define StopGlobalTimer
   108 	$(call RecordEndTime,TOTAL)
   109 endef
   111 ### Functions for managing makefile structure (start/end of makefile and individual targets)
   113 # Do not indent this function, this will add whitespace at the start which the caller won't handle
   114 define GetRealTarget
   115 $(strip $(if $(MAKECMDGOALS),$(MAKECMDGOALS),default))
   116 endef
   118 # Do not indent this function, this will add whitespace at the start which the caller won't handle
   119 define LastGoal
   120 $(strip $(lastword $(call GetRealTarget)))
   121 endef
   123 # Check if the current target is the final target, as specified by
   124 # the user on the command line. If so, call AtRootMakeEnd.
   125 define CheckIfMakeAtEnd
   126         # Check if the current target is the last goal
   127 	$(if $(filter $@,$(call LastGoal)),$(call AtMakeEnd))
   128         # If the target is 'foo-only', check if our goal was stated as 'foo'
   129 	$(if $(filter $@,$(call LastGoal)-only),$(call AtMakeEnd))
   130 endef
   132 # Hook to be called when starting to execute a top-level target
   133 define TargetEnter
   134 	$(BUILD_LOG_WRAPPER) $(PRINTF) "## Starting $(patsubst %-only,%,$@)\n"
   135 	$(call RecordStartTime,$(patsubst %-only,%,$@))
   136 endef
   138 # Hook to be called when finish executing a top-level target
   139 define TargetExit
   140 	$(call RecordEndTime,$(patsubst %-only,%,$@))
   141 	$(BUILD_LOG_WRAPPER) $(PRINTF) "## Finished $(patsubst %-only,%,$@) (build time %s)\n\n" \
   142 	    "`$(CAT) $(BUILDTIMESDIR)/build_time_diff_$(patsubst %-only,%,$@) | $(CUT) -f 1 -d ' '`"
   143 	$(call CheckIfMakeAtEnd)
   144 endef
   146 # Hook to be called as the very first thing when running a normal build
   147 define AtMakeStart
   148 	$(if $(findstring --jobserver,$(MAKEFLAGS)),$(error make -j is not supported, use make JOBS=n))
   149 	$(call CheckEnvironment)
   150 	@$(PRINTF) $(LOG_INFO) "Running make as '$(MAKE) $(MFLAGS) $(MAKE_ARGS)'\n"
   151 	@$(PRINTF) "Building $(PRODUCT_NAME) for target '$(call GetRealTarget)' in configuration '$(CONF_NAME)'\n\n"
   152 	$(call StartGlobalTimer)
   153 endef
   155 # Hook to be called as the very last thing for targets that are "top level" targets
   156 define AtMakeEnd
   157 	[ -f $(SJAVAC_SERVER_DIR)/server.port ] && echo Stopping sjavac server && $(TOUCH) $(SJAVAC_SERVER_DIR)/server.port.stop; true
   158 	$(call StopGlobalTimer)
   159 	$(call ReportBuildTimes)
   160 	@$(PRINTF) "Finished building $(PRODUCT_NAME) for target '$(call GetRealTarget)'\n"
   161 	$(call CheckEnvironment)
   162 endef
   164 ### Functions for parsing and setting up make options from command-line
   166 define FatalError
   167   # If the user specificed a "global" target (e.g. 'help'), do not exit but continue running
   168   $$(if $$(filter-out $(global_targets),$$(call GetRealTarget)),$$(error Cannot continue))
   169 endef
   171 define ParseLogLevel
   172   ifeq ($$(origin VERBOSE),undefined)
   173     # Setup logging according to LOG (but only if VERBOSE is not given)
   175     # If the "nofile" argument is given, act on it and strip it away
   176     ifneq ($$(findstring nofile,$$(LOG)),)
   177       # Reset the build log wrapper, regardless of other values
   178       override BUILD_LOG_WRAPPER=
   179       # COMMA is defined in spec.gmk, but that is not included yet
   180       COMMA=,
   181       # First try to remove ",nofile" if it exists
   182       LOG_STRIPPED1=$$(subst $$(COMMA)nofile,,$$(LOG))
   183       # Otherwise just remove "nofile"
   184       LOG_STRIPPED2=$$(subst nofile,,$$(LOG_STRIPPED1))
   185       # We might have ended up with a leading comma. Remove it
   186       LOG_STRIPPED3=$$(strip $$(patsubst $$(COMMA)%,%,$$(LOG_STRIPPED2)))
   187       LOG_LEVEL:=$$(LOG_STRIPPED3)
   188     else
   189       LOG_LEVEL:=$$(LOG)
   190     endif
   192     ifeq ($$(LOG_LEVEL),)
   193       # Set LOG to "warn" as default if not set (and no VERBOSE given)
   194       override LOG_LEVEL=warn
   195     endif
   196     ifeq ($$(LOG_LEVEL),warn)
   197       VERBOSE=-s
   198     else ifeq ($$(LOG_LEVEL),info)
   199       VERBOSE=-s
   200     else ifeq ($$(LOG_LEVEL),debug)
   201       VERBOSE=
   202     else ifeq ($$(LOG_LEVEL),trace)
   203       VERBOSE=
   204     else
   205       $$(info Error: LOG must be one of: warn, info, debug or trace.)
   206       $$(eval $$(call FatalError))
   207     endif
   208   else
   209     # Provide resonable interpretations of LOG_LEVEL if VERBOSE is given.
   210     ifeq ($(VERBOSE),)
   211       LOG_LEVEL:=debug
   212     else
   213       LOG_LEVEL:=warn
   214     endif
   215     ifneq ($$(LOG),)
   216       # We have both a VERBOSE and a LOG argument. This is OK only if this is a repeated call by ourselves,
   217       # but complain if this is the top-level make call.
   218       ifeq ($$(MAKELEVEL),0)
   219         $$(info Cannot use LOG=$$(LOG) and VERBOSE=$$(VERBOSE) at the same time. Choose one.)
   220         $$(eval $$(call FatalError))
   221       endif
   222     endif
   223   endif
   224 endef
   226 define ParseConfAndSpec
   227   ifneq ($$(filter-out $(global_targets),$$(call GetRealTarget)),)
   228     # If we only have global targets, no need to bother with SPEC or CONF
   229     ifneq ($$(origin SPEC),undefined)
   230       # We have been given a SPEC, check that it works out properly
   231       ifeq ($$(wildcard $$(SPEC)),)
   232         $$(info Cannot locate spec.gmk, given by SPEC=$$(SPEC))
   233         $$(eval $$(call FatalError))
   234       endif
   235       ifneq ($$(origin CONF),undefined)
   236         # We also have a CONF argument. This is OK only if this is a repeated call by ourselves,
   237         # but complain if this is the top-level make call.
   238         ifeq ($$(MAKELEVEL),0)
   239           $$(info Cannot use CONF=$$(CONF) and SPEC=$$(SPEC) at the same time. Choose one.)
   240           $$(eval $$(call FatalError))
   241         endif
   242       endif
   243       # ... OK, we're satisfied, we'll use this SPEC later on
   244     else
   245       # Find all spec.gmk files in the build output directory
   246       output_dir=$$(root_dir)/build
   247       all_spec_files=$$(wildcard $$(output_dir)/*/spec.gmk)
   248       ifeq ($$(all_spec_files),)
   249         $$(info No configurations found for $$(root_dir)! Please run configure to create a configuration.)
   250         $$(eval $$(call FatalError))
   251       endif
   252       # Extract the configuration names from the path
   253       all_confs=$$(patsubst %/spec.gmk,%,$$(patsubst $$(output_dir)/%,%,$$(all_spec_files)))
   255       ifneq ($$(origin CONF),undefined)
   256         # User have given a CONF= argument.
   257         ifeq ($$(CONF),)
   258           # If given CONF=, match all configurations
   259           matching_confs=$$(strip $$(all_confs))
   260         else
   261           # Otherwise select those that contain the given CONF string
   262           matching_confs=$$(strip $$(foreach var,$$(all_confs),$$(if $$(findstring $$(CONF),$$(var)),$$(var))))
   263         endif
   264         ifeq ($$(matching_confs),)
   265           $$(info No configurations found matching CONF=$$(CONF))
   266           $$(info Available configurations:)
   267           $$(foreach var,$$(all_confs),$$(info * $$(var)))
   268           $$(eval $$(call FatalError))
   269         else
   270           ifeq ($$(words $$(matching_confs)),1)
   271             $$(info Building '$$(matching_confs)' (matching CONF=$$(CONF)))
   272           else
   273             $$(info Building target '$(call GetRealTarget)' in the following configurations (matching CONF=$$(CONF)):)
   274             $$(foreach var,$$(matching_confs),$$(info * $$(var)))
   275           endif
   276         endif
   278         # Create a SPEC definition. This will contain the path to one or more spec.gmk files.
   279         SPEC=$$(addsuffix /spec.gmk,$$(addprefix $$(output_dir)/,$$(matching_confs)))
   280       else
   281         # No CONF or SPEC given, check the available configurations
   282         ifneq ($$(words $$(all_spec_files)),1)
   283           $$(info No CONF given, but more than one configuration found in $$(output_dir).)
   284           $$(info Available configurations:)
   285           $$(foreach var,$$(all_confs),$$(info * $$(var)))
   286           $$(info Please retry building with CONF=<config pattern> (or SPEC=<specfile>))
   287           $$(eval $$(call FatalError))
   288         endif
   290         # We found exactly one configuration, use it
   291         SPEC=$$(strip $$(all_spec_files))
   292       endif
   293     endif
   294   endif
   295 endef
   297 ### Convenience functions from Main.gmk
   299 # Cleans the component given as $1
   300 define CleanComponent
   301 	@$(PRINTF) "Cleaning $1 build artifacts ..."
   302 	@($(CD) $(OUTPUT_ROOT) && $(RM) -r $1)
   303 	@$(PRINTF) " done\n"
   304 endef
   306 endif # _MAKEHELPERS_GMK

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