8210320: PPC64: Fix uninitialized variable in C1 LIR assembler code
Reviewed-by: mbaesken, shade, mdoerr
#
# Copyright (c) 2011, 2018, 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. Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# 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 contains helper functions for Init.gmk.
# It is divided in two parts, depending on if a SPEC is present or not
# (HAS_SPEC is true or not).
################################################################################
ifndef _INITSUPPORT_GMK
_INITSUPPORT_GMK := 1
ifeq ($(HAS_SPEC),)
# COMMA is defined in spec.gmk, but that is not included yet
COMMA := ,
# Include the corresponding closed file, if present.
ifneq ($(CUSTOM_MAKE_DIR), )
-include $(CUSTOM_MAKE_DIR)/InitSupport.gmk
endif
##############################################################################
# Helper functions for the initial part of Init.gmk, before the spec file is
# loaded. Most of these functions provide parsing and setting up make options
# from the command-line.
##############################################################################
# Make control variables, handled by Init.gmk
INIT_CONTROL_VARIABLES += LOG CONF CONF_NAME SPEC JOBS TEST_JOBS CONF_CHECK \
COMPARE_BUILD JTREG GTEST TEST_OPTS TEST_VM_OPTS
# All known make control variables
MAKE_CONTROL_VARIABLES := $(INIT_CONTROL_VARIABLES) TEST JDK_FILTER
# Define a simple reverse function.
# Should maybe move to MakeBase.gmk, but we can't include that file now.
reverse = \
$(if $(strip $(1)), $(call reverse, $(wordlist 2, $(words $(1)), $(1)))) \
$(firstword $(1))
# The variable MAKEOVERRIDES contains variable assignments from the command
# line, but in reverse order to what the user entered.
# The '\#' <=> '\ 'dance is needed to keep values with space in them connected.
COMMAND_LINE_VARIABLES := $(subst \#,\ , $(call reverse, $(subst \ ,\#,$(MAKEOVERRIDES))))
# A list like FOO="val1" BAR="val2" containing all user-supplied make
# variables that we should propagate.
# The '\#' <=> '\ 'dance is needed to keep values with space in them connected.
USER_MAKE_VARS := $(subst \#,\ , $(filter-out $(addsuffix =%, $(INIT_CONTROL_VARIABLES)), \
$(subst \ ,\#,$(MAKEOVERRIDES))))
# Setup information about available configurations, if any.
ifneq ($(CUSTOM_ROOT), )
build_dir=$(CUSTOM_ROOT)/build
else
build_dir=$(topdir)/build
endif
all_spec_files=$(wildcard $(build_dir)/*/spec.gmk)
# Extract the configuration names from the path
all_confs=$(patsubst %/spec.gmk, %, $(patsubst $(build_dir)/%, %, $(all_spec_files)))
# Check for unknown command-line variables
define CheckControlVariables
command_line_variables := $$(strip $$(foreach var, \
$$(subst \ ,_,$$(MAKEOVERRIDES)), \
$$(firstword $$(subst =, , $$(var)))))
unknown_command_line_variables := $$(strip \
$$(filter-out $$(MAKE_CONTROL_VARIABLES), $$(command_line_variables)))
ifneq ($$(unknown_command_line_variables), )
$$(info Note: Command line contains non-control variables:)
$$(foreach var, $$(unknown_command_line_variables), $$(info * $$(var)=$$($$(var))))
$$(info Make sure it is not mistyped, and that you intend to override this variable.)
$$(info 'make help' will list known control variables.)
$$(info )
endif
endef
# Check for deprecated ALT_ variables
define CheckDeprecatedEnvironment
defined_alt_variables := $$(filter ALT_%, $$(.VARIABLES))
ifneq ($$(defined_alt_variables), )
$$(info Warning: You have the following ALT_ variables set:)
$$(foreach var, $$(defined_alt_variables), $$(info * $$(var)=$$($$(var))))
$$(info ALT_ variables are deprecated, and may result in a failed build.)
$$(info Please clean your environment.)
$$(info )
endif
endef
# Check for invalid make flags like -j
define CheckInvalidMakeFlags
# This is a trick to get this rule to execute before any other rules
# MAKEFLAGS only indicate -j if read in a recipe (!)
$$(topdir)/make/Init.gmk: .FORCE
$$(if $$(findstring --jobserver, $$(MAKEFLAGS)), \
$$(info Error: 'make -jN' is not supported, use 'make JOBS=N') \
$$(error Cannot continue) \
)
.FORCE:
.PHONY: .FORCE
endef
# Check that the CONF_CHECK option is valid and set up handling
define ParseConfCheckOption
ifeq ($$(CONF_CHECK), )
# Default behavior is fail
CONF_CHECK := fail
else ifneq ($$(filter-out auto fail ignore, $$(CONF_CHECK)),)
$$(info Error: CONF_CHECK must be one of: auto, fail or ignore.)
$$(error Cannot continue)
endif
endef
define ParseConfAndSpec
ifneq ($$(origin SPEC), undefined)
# We have been given a SPEC, check that it works out properly
ifneq ($$(origin CONF), undefined)
# We also have a CONF argument. We can't have both.
$$(info Error: Cannot use CONF=$$(CONF) and SPEC=$$(SPEC) at the same time. Choose one.)
$$(error Cannot continue)
endif
ifneq ($$(origin CONF_NAME), undefined)
# We also have a CONF_NAME argument. We can't have both.
$$(info Error: Cannot use CONF_NAME=$$(CONF_NAME) and SPEC=$$(SPEC) at the same time. Choose one.)
$$(error Cannot continue)
endif
ifeq ($$(wildcard $$(SPEC)),)
$$(info Error: Cannot locate spec.gmk, given by SPEC=$$(SPEC).)
$$(error Cannot continue)
endif
ifeq ($$(filter /%, $$(SPEC)),)
# If given with relative path, make it absolute
SPECS := $$(CURDIR)/$$(strip $$(SPEC))
else
SPECS := $$(SPEC)
endif
# For now, unset this SPEC variable.
override SPEC :=
else
# Use spec.gmk files in the build output directory
ifeq ($$(all_spec_files),)
ifneq ($(CUSTOM_ROOT), )
$$(info Error: No configurations found for $$(CUSTOM_ROOT).)
else
$$(info Error: No configurations found for $$(topdir).)
endif
$$(info Please run 'bash configure' to create a configuration.)
$$(info )
$$(error Cannot continue)
endif
ifneq ($$(origin CONF_NAME), undefined)
ifneq ($$(origin CONF), undefined)
# We also have a CONF argument. We can't have both.
$$(info Error: Cannot use CONF=$$(CONF) and CONF_NAME=$$(CONF_NAME) at the same time. Choose one.)
$$(error Cannot continue)
endif
matching_conf := $$(strip $$(filter $$(CONF_NAME), $$(all_confs)))
ifeq ($$(matching_conf),)
$$(info Error: No configurations found matching CONF_NAME=$$(CONF_NAME).)
$$(info Available configurations in $$(build_dir):)
$$(foreach var, $$(all_confs), $$(info * $$(var)))
$$(error Cannot continue)
else ifneq ($$(words $$(matching_conf)), 1)
$$(info Error: Matching more than one configuration CONF_NAME=$$(CONF_NAME).)
$$(info Available configurations in $$(build_dir):)
$$(foreach var, $$(all_confs), $$(info * $$(var)))
$$(error Cannot continue)
else
$$(info Building configuration '$$(matching_conf)' (matching CONF_NAME=$$(CONF_NAME)))
endif
# Create a SPEC definition. This will contain the path to exactly one spec file.
SPECS := $$(build_dir)/$$(matching_conf)/spec.gmk
else ifneq ($$(origin CONF), undefined)
# User have given a CONF= argument.
ifeq ($$(CONF),)
# If given CONF=, match all configurations
matching_confs := $$(strip $$(all_confs))
else
# Otherwise select those that contain the given CONF string
matching_confs := $$(strip $$(foreach var, $$(all_confs), \
$$(if $$(findstring $$(CONF), $$(var)), $$(var))))
endif
ifeq ($$(matching_confs),)
$$(info Error: No configurations found matching CONF=$$(CONF).)
$$(info Available configurations in $$(build_dir):)
$$(foreach var, $$(all_confs), $$(info * $$(var)))
$$(error Cannot continue)
else
# Don't repeat this output on make restarts caused by including
# generated files.
ifeq ($$(MAKE_RESTARTS),)
ifeq ($$(words $$(matching_confs)), 1)
ifneq ($$(findstring $$(LOG_LEVEL), info debug trace),)
$$(info Building configuration '$$(matching_confs)' (matching CONF=$$(CONF)))
endif
else
$$(info Building these configurations (matching CONF=$$(CONF)):)
$$(foreach var, $$(matching_confs), $$(info * $$(var)))
endif
endif
endif
# Create a SPEC definition. This will contain the path to one or more spec.gmk files.
SPECS := $$(addsuffix /spec.gmk, $$(addprefix $$(build_dir)/, $$(matching_confs)))
else
# No CONF or SPEC given, check the available configurations
ifneq ($$(words $$(all_spec_files)), 1)
$$(info Error: No CONF given, but more than one configuration found.)
$$(info Available configurations in $$(build_dir):)
$$(foreach var, $$(all_confs), $$(info * $$(var)))
$$(info Please retry building with CONF=<config pattern> (or SPEC=<spec file>).)
$$(info )
$$(error Cannot continue)
endif
# We found exactly one configuration, use it
SPECS := $$(strip $$(all_spec_files))
endif
endif
endef
# Extract main targets from Main.gmk using the spec provided in $2.
#
# Param 1: FORCE = force generation of main-targets.gmk or LAZY = do not force.
# Param 2: The SPEC file to use.
define DefineMainTargets
# We will start by making sure the main-targets.gmk file is removed, if
# make has not been restarted. By the -include, we will trigger the
# rule for generating the file (which is never there since we removed it),
# thus generating it fresh, and make will restart, incrementing the restart
# count.
main_targets_file := $$(dir $(strip $2))make-support/main-targets.gmk
ifeq ($$(MAKE_RESTARTS),)
# Only do this if make has not been restarted, and if we do not force it.
ifeq ($(strip $1), FORCE)
$$(shell rm -f $$(main_targets_file))
endif
endif
$$(main_targets_file):
@( cd $$(topdir) && \
$$(MAKE) $$(MAKE_LOG_FLAGS) -r -R -f $$(topdir)/make/Main.gmk \
-I $$(topdir)/make/common SPEC=$(strip $2) NO_RECIPES=true \
$$(MAKE_LOG_VARS) \
create-main-targets-include )
# Now include main-targets.gmk. This will define ALL_MAIN_TARGETS.
-include $$(main_targets_file)
endef
define PrintConfCheckFailed
@echo ' '
@echo "Please rerun configure! Easiest way to do this is by running"
@echo "'make reconfigure'."
@echo "This behavior may also be changed using CONF_CHECK=<ignore|auto>."
@echo ' '
endef
else # $(HAS_SPEC)=true
##############################################################################
# Helper functions for the 'main' target. These functions assume a single,
# proper and existing SPEC is included.
##############################################################################
include $(TOPDIR)/make/common/MakeBase.gmk
# Define basic logging setup
BUILD_LOG := $(OUTPUTDIR)/build.log
BUILD_PROFILE_LOG := $(OUTPUTDIR)/build-profile.log
BUILD_LOG_PIPE := > >($(TEE) -a $(BUILD_LOG)) 2> >($(TEE) -a $(BUILD_LOG) >&2) && wait
ifneq ($(CUSTOM_ROOT), )
topdir=$(CUSTOM_ROOT)
else
topdir=$(TOPDIR)
endif
# Parse COMPARE_BUILD into COMPARE_BUILD_*
# Syntax: COMPARE_BUILD=CONF=<configure options>:PATCH=<patch file>:
# MAKE=<make targets>:COMP_OPTS=<compare script options>:
# COMP_DIR=<compare script base dir>|<default>:
# FAIL=<bool>
# If neither CONF or PATCH is given, assume <default> means CONF if it
# begins with "--", otherwise assume it means PATCH.
# MAKE and COMP_OPTS can only be used with CONF and/or PATCH specified.
# If any value contains "+", it will be replaced by space.
# FAIL can be set to false to have the return value of compare be ignored.
define ParseCompareBuild
ifneq ($$(COMPARE_BUILD), )
COMPARE_BUILD_OUTPUTDIR := $(topdir)/build/compare-build/$(CONF_NAME)
COMPARE_BUILD_FAIL := true
ifneq ($$(findstring :, $$(COMPARE_BUILD)), )
$$(foreach part, $$(subst :, , $$(COMPARE_BUILD)), \
$$(if $$(filter PATCH=%, $$(part)), \
$$(eval COMPARE_BUILD_PATCH=$$(strip $$(patsubst PATCH=%, %, $$(part)))) \
) \
$$(if $$(filter CONF=%, $$(part)), \
$$(eval COMPARE_BUILD_CONF=$$(strip $$(subst +, , $$(patsubst CONF=%, %, $$(part))))) \
) \
$$(if $$(filter MAKE=%, $$(part)), \
$$(eval COMPARE_BUILD_MAKE=$$(strip $$(subst +, , $$(patsubst MAKE=%, %, $$(part))))) \
) \
$$(if $$(filter COMP_OPTS=%, $$(part)), \
$$(eval COMPARE_BUILD_COMP_OPTS=$$(strip $$(subst +, , $$(patsubst COMP_OPTS=%, %, $$(part))))) \
) \
$$(if $$(filter COMP_DIR=%, $$(part)), \
$$(eval COMPARE_BUILD_COMP_DIR=$$(strip $$(subst +, , $$(patsubst COMP_DIR=%, %, $$(part))))) \
) \
$$(if $$(filter FAIL=%, $$(part)), \
$$(eval COMPARE_BUILD_FAIL=$$(strip $$(subst +, , $$(patsubst FAIL=%, %, $$(part))))) \
) \
)
else
# Separate handling for single field case, to allow for spaces in values.
ifneq ($$(filter PATCH=%, $$(COMPARE_BUILD)), )
COMPARE_BUILD_PATCH=$$(strip $$(patsubst PATCH=%, %, $$(COMPARE_BUILD)))
else ifneq ($$(filter CONF=%, $$(COMPARE_BUILD)), )
COMPARE_BUILD_CONF=$$(strip $$(subst +, , $$(patsubst CONF=%, %, $$(COMPARE_BUILD))))
else ifneq ($$(filter --%, $$(COMPARE_BUILD)), )
# Assume CONF if value begins with --
COMPARE_BUILD_CONF=$$(strip $$(subst +, , $$(COMPARE_BUILD)))
else
# Otherwise assume patch file
COMPARE_BUILD_PATCH=$$(strip $$(COMPARE_BUILD))
endif
endif
ifneq ($$(COMPARE_BUILD_PATCH), )
ifneq ($$(wildcard $$(topdir)/$$(COMPARE_BUILD_PATCH)), )
# Assume relative path, if file exists
COMPARE_BUILD_PATCH := $$(wildcard $$(topdir)/$$(COMPARE_BUILD_PATCH))
else ifeq ($$(wildcard $$(COMPARE_BUILD_PATCH)), )
$$(error Patch file $$(COMPARE_BUILD_PATCH) does not exist)
endif
endif
ifneq ($$(COMPARE_BUILD_FAIL), true)
COMPARE_BUILD_IGNORE_RESULT := || true
endif
endif
endef
# Prepare for a comparison rebuild
define PrepareCompareBuild
$(ECHO) "Preparing for comparison rebuild"
# Apply patch, if any
$(if $(COMPARE_BUILD_PATCH), cd $(topdir) && $(PATCH) -p1 < $(COMPARE_BUILD_PATCH))
# Move the first build away temporarily
$(RM) -r $(topdir)/build/.compare-build-temp
$(MKDIR) -p $(topdir)/build/.compare-build-temp
$(MV) $(OUTPUTDIR) $(topdir)/build/.compare-build-temp
# Restore an old compare-build, or create a new compare-build directory.
if test -d $(COMPARE_BUILD_OUTPUTDIR); then \
$(MV) $(COMPARE_BUILD_OUTPUTDIR) $(OUTPUTDIR); \
else \
$(MKDIR) -p $(OUTPUTDIR); \
fi
# Re-run configure with the same arguments (and possibly some additional),
# must be done after patching.
( cd $(OUTPUTDIR) && PATH="$(ORIGINAL_PATH)" \
$(BASH) $(topdir)/configure $(CONFIGURE_COMMAND_LINE) $(COMPARE_BUILD_CONF))
endef
# Cleanup after a compare build
define CleanupCompareBuild
# If running with a COMPARE_BUILD patch, reverse-apply it
$(if $(COMPARE_BUILD_PATCH), cd $(topdir) && $(PATCH) -R -p1 < $(COMPARE_BUILD_PATCH))
# Move this build away and restore the original build
$(MKDIR) -p $(topdir)/build/compare-build
$(MV) $(OUTPUTDIR) $(COMPARE_BUILD_OUTPUTDIR)
$(MV) $(topdir)/build/.compare-build-temp/$(CONF_NAME) $(OUTPUTDIR)
$(RM) -r $(topdir)/build/.compare-build-temp
endef
# Do the actual comparison of two builds
define CompareBuildDoComparison
# Compare first and second build. Ignore any error code from compare.sh.
$(ECHO) "Comparing between comparison rebuild (this/new) and baseline (other/old)"
$(if $(COMPARE_BUILD_COMP_DIR), \
+(cd $(COMPARE_BUILD_OUTPUTDIR) && ./compare.sh $(COMPARE_BUILD_COMP_OPTS) \
-2dirs $(COMPARE_BUILD_OUTPUTDIR)/$(COMPARE_BUILD_COMP_DIR) \
$(OUTPUTDIR)/$(COMPARE_BUILD_COMP_DIR) $(COMPARE_BUILD_IGNORE_RESULT)), \
+(cd $(COMPARE_BUILD_OUTPUTDIR) && ./compare.sh $(COMPARE_BUILD_COMP_OPTS) \
-o $(OUTPUTDIR) $(COMPARE_BUILD_IGNORE_RESULT)) \
)
endef
define PrintFailureReports
$(if $(filter none, $(LOG_REPORT)), , \
$(if $(wildcard $(MAKESUPPORT_OUTPUTDIR)/failure-logs/*.log), \
$(PRINTF) "\n=== Output from failing command(s) repeated here ===\n" $(NEWLINE) \
$(foreach logfile, $(sort $(wildcard $(MAKESUPPORT_OUTPUTDIR)/failure-logs/*.log)), \
$(PRINTF) "* For target $(notdir $(basename $(logfile))):\n" $(NEWLINE) \
$(if $(filter all, $(LOG_REPORT)), \
$(GREP) -v -e "^Note: including file:" < $(logfile) || true $(NEWLINE) \
, \
($(GREP) -v -e "^Note: including file:" < $(logfile) || true) | $(HEAD) -n 12 $(NEWLINE) \
if test `$(WC) -l < $(logfile)` -gt 12; then \
$(ECHO) " ... (rest of output omitted)" ; \
fi $(NEWLINE) \
) \
) \
$(PRINTF) "\n* All command lines available in $(MAKESUPPORT_OUTPUTDIR)/failure-logs.\n" $(NEWLINE) \
$(PRINTF) "=== End of repeated output ===\n" \
) \
)
endef
define PrintBuildLogFailures
$(if $(filter none, $(LOG_REPORT)), , \
if $(GREP) -q "recipe for target .* failed" $(BUILD_LOG) 2> /dev/null; then \
$(PRINTF) "\n=== Make failed targets repeated here ===\n" ; \
$(GREP) "recipe for target .* failed" $(BUILD_LOG) ; \
$(PRINTF) "=== End of repeated output ===\n" ; \
$(PRINTF) "\nHint: Try searching the build log for the name of the first failed target.\n" ; \
else \
$(PRINTF) "\nNo indication of failed target found.\n" ; \
$(PRINTF) "Hint: Try searching the build log for '] Error'.\n" ; \
fi \
)
endef
define RotateLogFiles
$(RM) $(BUILD_LOG).old 2> /dev/null && \
$(MV) $(BUILD_LOG) $(BUILD_LOG).old 2> /dev/null || true
$(if $(findstring true, $(LOG_PROFILE_TIMES_FILE)), \
$(RM) $(BUILD_PROFILE_LOG).old 2> /dev/null && \
$(MV) $(BUILD_PROFILE_LOG) $(BUILD_PROFILE_LOG).old 2> /dev/null || true \
)
endef
# Failure logs are only supported for "parallel" main targets, not the
# (trivial) sequential make targets (such as clean and reconfigure),
# since the failure-logs directory creation will conflict with clean.
define PrepareFailureLogs
$(RM) -r $(MAKESUPPORT_OUTPUTDIR)/failure-logs 2> /dev/null && \
$(MKDIR) -p $(MAKESUPPORT_OUTPUTDIR)/failure-logs
$(RM) $(MAKESUPPORT_OUTPUTDIR)/exit-with-error 2> /dev/null
endef
# Remove any javac server logs and port files. This
# prevents a new make run to reuse the previous servers.
define PrepareSmartJavac
$(if $(SJAVAC_SERVER_DIR), \
$(RM) -r $(SJAVAC_SERVER_DIR) 2> /dev/null && \
$(MKDIR) -p $(SJAVAC_SERVER_DIR) \
)
endef
define CleanupSmartJavac
[ -f $(SJAVAC_SERVER_DIR)/server.port ] && $(ECHO) Stopping sjavac server && \
$(TOUCH) $(SJAVAC_SERVER_DIR)/server.port.stop; true
endef
ifeq ($(OPENJDK_BUILD_OS), windows)
# On windows we need to synchronize with the javac server to be able to
# move or remove the build output directory. Since we have no proper
# synchronization process, wait for a while and hope it helps. This is only
# used by build comparisons.
define WaitForSmartJavacFinish
$(if $(SJAVAC_SERVER_DIR), \
sleep 5\
)
endef
else
define WaitForSmartJavacFinish
endef
endif
define StartGlobalTimer
$(RM) -r $(BUILDTIMESDIR) 2> /dev/null && \
$(MKDIR) -p $(BUILDTIMESDIR) && \
$(call RecordStartTime,TOTAL)
endef
define StopGlobalTimer
$(call RecordEndTime,TOTAL)
endef
# Find all build_time_* files and print their contents in a list sorted
# on the name of the sub repository.
define ReportBuildTimes
$(PRINTF) $(LOG_INFO) -- \
"----- Build times -------\nStart %s\nEnd %s\n%s\n%s\n-------------------------\n" \
"`$(CAT) $(BUILDTIMESDIR)/build_time_start_TOTAL_human_readable`" \
"`$(CAT) $(BUILDTIMESDIR)/build_time_end_TOTAL_human_readable`" \
"`$(LS) $(BUILDTIMESDIR)/build_time_diff_* | $(GREP) -v _TOTAL | \
$(XARGS) $(CAT) | $(SORT) -k 2`" \
"`$(CAT) $(BUILDTIMESDIR)/build_time_diff_TOTAL`" \
$(BUILD_LOG_PIPE)
endef
define ReportProfileTimes
$(if $(findstring true, $(LOG_PROFILE_TIMES_LOG)), \
[ ! -f $(BUILD_PROFILE_LOG) ] || \
{ $(ECHO) Begin $(notdir $(BUILD_PROFILE_LOG)) && \
$(CAT) $(BUILD_PROFILE_LOG) && \
$(ECHO) End $(notdir $(BUILD_PROFILE_LOG)); \
} \
$(BUILD_LOG_PIPE)
)
endef
endif # HAS_SPEC
# Look for a given option in the LOG variable, and if found, set a variable
# and remove the option from the LOG variable
# $1: The option to look for
# $2: The variable to set to "true" if the option is found
define ParseLogOption
ifneq ($$(findstring $1, $$(LOG)),)
override $2 := true
# First try to remove ",<option>" if it exists, otherwise just remove "<option>"
LOG_STRIPPED := $$(subst $1,, $$(subst $$(COMMA)$$(strip $1),, $$(LOG)))
# We might have ended up with a leading comma. Remove it. Need override
# since LOG is set from the command line.
override LOG := $$(strip $$(patsubst $$(COMMA)%, %, $$(LOG_STRIPPED)))
endif
endef
# Look for a given option with an assignment in the LOG variable, and if found,
# set a variable to that value and remove the option from the LOG variable
# $1: The option to look for
# $2: The variable to set to the value of the option, if found
define ParseLogValue
ifneq ($$(findstring $1=, $$(LOG)),)
# Make words of out comma-separated list and find the one with opt=val
value := $$(strip $$(subst $$(strip $1)=,, $$(filter $$(strip $1)=%, $$(subst $$(COMMA), , $$(LOG)))))
override $2 := $$(value)
# First try to remove ",<option>" if it exists, otherwise just remove "<option>"
LOG_STRIPPED := $$(subst $$(strip $1)=$$(value),, \
$$(subst $$(COMMA)$$(strip $1)=$$(value),, $$(LOG)))
# We might have ended up with a leading comma. Remove it. Need override
# since LOG is set from the command line.
override LOG := $$(strip $$(patsubst $$(COMMA)%, %, $$(LOG_STRIPPED)))
endif
endef
define ParseLogLevel
# Catch old-style VERBOSE= command lines.
ifneq ($$(origin VERBOSE), undefined)
$$(info Error: VERBOSE is deprecated. Use LOG=<warn|info|debug|trace> instead.)
$$(error Cannot continue)
endif
# Setup logging according to LOG
# If "nofile" is present, do not log to a file
$$(eval $$(call ParseLogOption, nofile, LOG_NOFILE))
# If "cmdline" is present, print all executes "important" command lines.
$$(eval $$(call ParseLogOption, cmdlines, LOG_CMDLINES))
# If "report" is present, use non-standard reporting options at build failure.
$$(eval $$(call ParseLogValue, report, LOG_REPORT))
ifneq ($$(LOG_REPORT), )
ifeq ($$(filter $$(LOG_REPORT), none all default), )
$$(info Error: LOG=report has invalid value: $$(LOG_REPORT).)
$$(info Valid values: LOG=report=<none>|<all>|<default>)
$$(error Cannot continue)
endif
endif
# If "profile-to-log" is present, write shell times in build log
$$(eval $$(call ParseLogOption, profile-to-log, LOG_PROFILE_TIMES_LOG))
# If "profile" is present, write shell times in separate log file
# IMPORTANT: $(ParseLogOption profile-to-log) should go first. Otherwise
# parsing of 'LOG=debug,profile-to-log,nofile' ends up in the following error:
# Error: LOG contains unknown option or log level: debug-to-log.
$$(eval $$(call ParseLogOption, profile, LOG_PROFILE_TIMES_FILE))
# Treat LOG=profile-to-log as if it were LOG=profile,profile-to-log
LOG_PROFILE_TIMES_FILE := $$(firstword $$(LOG_PROFILE_TIMES_FILE) $$(LOG_PROFILE_TIMES_LOG))
override LOG_LEVEL := $$(LOG)
ifeq ($$(LOG_LEVEL),)
# Set LOG to "warn" as default if not set
override LOG_LEVEL := warn
endif
ifeq ($$(LOG_LEVEL), warn)
override MAKE_LOG_FLAGS := -s
else ifeq ($$(LOG_LEVEL), info)
override MAKE_LOG_FLAGS := -s
else ifeq ($$(LOG_LEVEL), debug)
override MAKE_LOG_FLAGS :=
else ifeq ($$(LOG_LEVEL), trace)
override MAKE_LOG_FLAGS :=
else
$$(info Error: LOG contains unknown option or log level: $$(LOG).)
$$(info LOG can be <level>[,<opt>[...]] where <opt> is nofile | cmdlines | profile | profile-to-log)
$$(info and <level> is warn | info | debug | trace)
$$(error Cannot continue)
endif
endef
MAKE_LOG_VARS = $(foreach v, \
LOG_LEVEL LOG_NOFILE LOG_CMDLINES LOG_REPORT LOG_PROFILE_TIMES_LOG \
LOG_PROFILE_TIMES_FILE, \
$v=$($v) \
)
endif # _INITSUPPORT_GMK