8222391: javax/net/ssl/compatibility/Compatibility.java should be more flexible
Reviewed-by: xuelei
#
# Copyright (c) 2011, 2019, 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.
#
################################################################
#
# Setup common utility functions.
#
################################################################
ifndef _MAKEBASE_GMK
_MAKEBASE_GMK := 1
ifeq ($(wildcard $(SPEC)),)
$(error MakeBase.gmk needs SPEC set to a proper spec.gmk)
endif
# By defining this pseudo target, make will automatically remove targets
# if their recipe fails so that a rebuild is automatically triggered on the
# next make invocation.
.DELETE_ON_ERROR:
################################################################################
# Definitions for special characters
################################################################################
# When calling macros, the spaces between arguments are
# often semantically important! Sometimes we need to subst
# spaces and commas, therefore we need the following macros.
X:=
SPACE:=$(X) $(X)
COMMA:=,
DOLLAR:=$$
HASH:=\#
LEFT_PAREN:=(
RIGHT_PAREN:=)
SQUOTE:='
#'
DQUOTE:="
#"
define NEWLINE
endef
# Certain features only work in newer version of GNU Make. The build will still
# function in 3.81, but will be less performant.
ifeq (4.0, $(firstword $(sort 4.0 $(MAKE_VERSION))))
HAS_FILE_FUNCTION := true
CORRECT_FUNCTION_IN_RECIPE_EVALUATION := true
RWILDCARD_WORKS := true
endif
# For convenience, MakeBase.gmk continues to include these separate files, at
# least for now.
include $(TOPDIR)/make/common/Utils.gmk
include $(TOPDIR)/make/common/MakeIO.gmk
include $(TOPDIR)/make/common/CopyFiles.gmk
################################################################################
# Functions for timers
################################################################################
# Store the build times in this directory.
BUILDTIMESDIR=$(OUTPUTDIR)/make-support/build-times
# Record starting time for build of a sub repository.
define RecordStartTime
$(DATE) '+%Y %m %d %H %M %S' | $(NAWK) '{ print $$1,$$2,$$3,$$4,$$5,$$6,($$4*3600+$$5*60+$$6) }' > $(BUILDTIMESDIR)/build_time_start_$(strip $1) && \
$(DATE) '+%Y-%m-%d %H:%M:%S' > $(BUILDTIMESDIR)/build_time_start_$(strip $1)_human_readable
endef
# Record ending time and calculate the difference and store it in a
# easy to read format. Handles builds that cross midnight. Expects
# that a build will never take 24 hours or more.
define RecordEndTime
$(DATE) '+%Y %m %d %H %M %S' | $(NAWK) '{ print $$1,$$2,$$3,$$4,$$5,$$6,($$4*3600+$$5*60+$$6) }' > $(BUILDTIMESDIR)/build_time_end_$(strip $1)
$(DATE) '+%Y-%m-%d %H:%M:%S' > $(BUILDTIMESDIR)/build_time_end_$(strip $1)_human_readable
$(ECHO) `$(CAT) $(BUILDTIMESDIR)/build_time_start_$(strip $1)` `$(CAT) $(BUILDTIMESDIR)/build_time_end_$(strip $1)` $1 | \
$(NAWK) '{ F=$$7; T=$$14; if (F > T) { T+=3600*24 }; D=T-F; H=int(D/3600); \
M=int((D-H*3600)/60); S=D-H*3600-M*60; printf("%02d:%02d:%02d %s\n",H,M,S,$$15); }' \
> $(BUILDTIMESDIR)/build_time_diff_$(strip $1)
endef
# Hook to be called when starting to execute a top-level target
define TargetEnter
$(PRINTF) "## Starting $(patsubst %-only,%,$@)\n"
$(call RecordStartTime,$(patsubst %-only,%,$@))
endef
# Hook to be called when finish executing a top-level target
define TargetExit
$(call RecordEndTime,$(patsubst %-only,%,$@))
$(PRINTF) "## Finished $(patsubst %-only,%,$@) (build time %s)\n\n" \
"`$(CAT) $(BUILDTIMESDIR)/build_time_diff_$(patsubst %-only,%,$@) | $(CUT) -f 1 -d ' '`"
endef
################################################################################
# A file containing a way to uniquely identify the source code revision that
# the build was created from
SOURCE_REVISION_TRACKER := $(SUPPORT_OUTPUTDIR)/src-rev/source-revision-tracker
# Locate all hg repositories included in the forest, as absolute paths
FindAllReposAbs = \
$(strip $(sort $(dir $(filter-out $(TOPDIR)/build/%, $(wildcard \
$(addprefix $(TOPDIR)/, .hg */.hg */*/.hg */*/*/.hg */*/*/*/.hg) \
$(addprefix $(TOPDIR)/, .git */.git */*/.git */*/*/.git */*/*/*/.git) \
)))))
# Locate all hg repositories included in the forest, as relative paths
FindAllReposRel = \
$(strip $(subst $(TOPDIR)/,.,$(patsubst $(TOPDIR)/%/, %, $(FindAllReposAbs))))
################################################################################
define SetupLogging
ifeq ($$(LOG_PROFILE_TIMES_FILE), true)
ifeq ($$(IS_GNU_TIME), yes)
SHELL := $$(BASH) $$(TOPDIR)/make/scripts/shell-profiler.sh \
gnutime $$(TIME) \
$$(OUTPUTDIR)/build-profile.log $$(SHELL)
else ifneq ($$(FLOCK), )
SHELL := $$(BASH) $$(TOPDIR)/make/scripts/shell-profiler.sh \
flock $$(FLOCK) \
$$(OUTPUTDIR)/build-profile.log $$(SHELL)
endif
endif
ifeq ($$(LOG_LEVEL), trace)
SHELL_NO_RECURSE := $$(SHELL)
# Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
# For each target executed, will print
# Building <TARGET> (from <FIRST PREREQUISITE>) (<ALL NEWER PREREQUISITES> newer)
# but with a limit of 20 on <ALL NEWER PREREQUISITES>, to avoid cluttering logs too much
# (and causing a crash on Cygwin).
SHELL = $$(warning $$(if $$@,Building $$@,Running shell command) $$(if $$<, (from $$<))$$(if $$?, ($$(wordlist 1, 20, $$?) $$(if $$(wordlist 21, 22, $$?), ... [in total $$(words $$?) files]) newer)))$$(SHELL_NO_RECURSE) -x
endif
# The warn level can never be turned off
LogWarn = $$(info $$(strip $$1))
LOG_WARN :=
ifneq ($$(findstring $$(LOG_LEVEL), info debug trace),)
LogInfo = $$(info $$(strip $$1))
LOG_INFO :=
else
LogInfo =
LOG_INFO := > /dev/null
endif
ifneq ($$(findstring $$(LOG_LEVEL), debug trace),)
LogDebug = $$(info $$(strip $$1))
LOG_DEBUG :=
else
LogDebug =
LOG_DEBUG := > /dev/null
endif
ifneq ($$(findstring $$(LOG_LEVEL), trace),)
LogTrace = $$(info $$(strip $$1))
LOG_TRACE :=
else
LogTrace =
LOG_TRACE := > /dev/null
endif
endef
# Make sure logging is setup for everyone that includes MakeBase.gmk.
$(eval $(call SetupLogging))
################################################################################
MAX_PARAMS := 36
PARAM_SEQUENCE := $(call sequence, 2, $(MAX_PARAMS))
# Template for creating a macro taking named parameters. To use it, assign the
# template to a variable with the name you want for your macro, using '='
# assignment. Then define a macro body with the suffix "Body". The Body macro
# should take 1 parameter which should be a unique string for that invocation
# of the macro.
# Ex:
# SetupFoo = $(NamedParamsMacroTemplate)
# define SetupFooBody
# # do something
# # access parameters as $$($1_BAR)
# endef
# Call it like this
# $(eval $(call SetupFoo, BUILD_SOMETHING, \
# BAR := some parameter value, \
# ))
define NamedParamsMacroTemplate
$(if $($(MAX_PARAMS)),$(error Internal makefile error: \
Too many named arguments to macro, please update MAX_PARAMS in MakeBase.gmk))
# Iterate over 2 3 4... and evaluate the named parameters with $1_ as prefix
$(foreach i,$(PARAM_SEQUENCE), $(if $(strip $($i)),\
$(strip $1)_$(strip $(call EscapeHash, $(call DoubleDollar, $($i))))$(NEWLINE)))
# Debug print all named parameter names and values
$(if $(findstring $(LOG_LEVEL),debug trace), \
$(info $0 $(strip $1) $(foreach i,$(PARAM_SEQUENCE), \
$(if $(strip $($i)),$(NEWLINE) $(strip [$i] $(if $(filter $(LOG_LEVEL), trace), \
$($i), $(wordlist 1, 20, $($(i))) $(if $(word 21, $($(i))), ...)))))))
$(if $(DEBUG_$(strip $1)),
$(info -------- <<< Begin expansion of $(strip $1)) \
$(info $(call $(0)Body,$(strip $1))) \
$(info -------- >>> End expansion of $(strip $1)) \
)
$(call $(0)Body,$(strip $1))
endef
################################################################################
# Make directory without forking mkdir if not needed.
#
# If a directory with an encoded space is provided, the wildcard function
# sometimes returns false answers (typically if the dir existed when the
# makefile was parsed, but was deleted by a previous rule). In that case, always
# call mkdir regardless of what wildcard says.
#
# 1: List of directories to create
MakeDir = \
$(strip \
$(eval MakeDir_dirs_to_make := $(strip $(foreach d, $1, \
$(if $(findstring ?, $d), '$(call DecodeSpace, $d)', \
$(if $(wildcard $d), , $d) \
) \
))) \
$(if $(MakeDir_dirs_to_make), $(shell $(MKDIR) -p $(MakeDir_dirs_to_make))) \
)
# Make directory for target file. Should handle spaces in filenames. Just
# calling $(call MakeDir $(@D)) will not work if the directory contains a space
# and the target file already exists. In that case, the target file will have
# its wildcard ? resolved and the $(@D) will evaluate each space separated dir
# part on its own.
MakeTargetDir = \
$(call MakeDir, $(dir $(call EncodeSpace, $@)))
################################################################################
# All install-file and related macros automatically call DecodeSpace when needed.
ifeq ($(call isTargetOs, solaris), true)
# On Solaris, if the target is a symlink and exists, cp won't overwrite.
# Cp has to operate in recursive mode to allow for -P flag, to preserve soft links. If the
# name of the target file differs from the source file, rename after copy.
# If the source and target parent directories are the same, recursive copy doesn't work
# so we fall back on regular copy, which isn't preserving symlinks.
define install-file
$(call MakeTargetDir)
$(RM) '$(call DecodeSpace, $@)'
if [ '$(call DecodeSpace, $(dir $(call EncodeSpace, $@)))' != \
'$(call DecodeSpace, $(dir $(call EncodeSpace, $<)))' ]; then \
$(CP) -f -r -P '$(call DecodeSpace, $<)' \
'$(call DecodeSpace, $(dir $(call EncodeSpace, $@)))'; \
if [ '$(call DecodeSpace, $(notdir $(call EncodeSpace, $@)))' != \
'$(call DecodeSpace, $(notdir $(call EncodeSpace, $(<))))' ]; then \
$(MV) '$(call DecodeSpace, $(dir $(call EncodeSpace, $@))/$(notdir $(call EncodeSpace, $<)))' \
'$(call DecodeSpace, $@)'; \
fi; \
else \
if [ -L '$(call DecodeSpace, $<)' ]; then \
$(ECHO) "Source file is a symlink and target is in the same directory: $< $@" ; \
exit 1; \
fi; \
$(CP) -f '$(call DecodeSpace, $<)' '$(call DecodeSpace, $@)'; \
fi
endef
else ifeq ($(call isTargetOs, macosx), true)
# On mac, extended attributes sometimes creep into the source files, which may later
# cause the creation of ._* files which confuses testing. Clear these with xattr if
# set. Some files get their write permissions removed after being copied to the
# output dir. When these are copied again to images, xattr would fail. By only clearing
# attributes when they are present, failing on this is avoided.
#
# If copying a soft link to a directory, need to delete the target first to avoid
# weird errors.
define install-file
$(call MakeTargetDir)
$(RM) '$(call DecodeSpace, $@)'
# Work around a weirdness with cp on Macosx. When copying a symlink, if
# the target of the link is write protected (e.g. 444), cp will add
# write permission for the user on the target file (644). Avoid this by
# using ln to create a new link instead.
if [ -h '$(call DecodeSpace, $<)' ]; then \
$(LN) -s "`$(READLINK) '$(call DecodeSpace, $<)'`" '$(call DecodeSpace, $@)'; \
else \
$(CP) -fRP '$(call DecodeSpace, $<)' '$(call DecodeSpace, $@)'; \
fi
if [ -n "`$(XATTR) -ls '$(call DecodeSpace, $@)'`" ]; then \
$(XATTR) -cs '$(call DecodeSpace, $@)'; \
fi
endef
else
define install-file
$(call MakeTargetDir)
$(CP) -fP '$(call DecodeSpace, $<)' '$(call DecodeSpace, $@)'
endef
endif
# Variant of install file that does not preserve symlinks
define install-file-nolink
$(call MakeTargetDir)
$(CP) -f '$(call DecodeSpace, $<)' '$(call DecodeSpace, $@)'
endef
################################################################################
# link-file-* works similarly to install-file but creates a symlink instead.
# There are two versions, either creating a relative or an absolute link. Be
# careful when using this on Windows since the symlink created is only valid in
# the unix emulation environment.
define link-file-relative
$(call MakeTargetDir)
$(RM) '$(call DecodeSpace, $@)'
$(LN) -s '$(call DecodeSpace, $(call RelativePath, $<, $(@D)))' '$(call DecodeSpace, $@)'
endef
define link-file-absolute
$(call MakeTargetDir)
$(RM) '$(call DecodeSpace, $@)'
$(LN) -s '$(call DecodeSpace, $<)' '$(call DecodeSpace, $@)'
endef
################################################################################
# Recursive wildcard function. Walks down directories recursively and matches
# files with the search patterns. Patterns use standard file wildcards (* and
# ?).
#
# $1 - Directories to start search in
# $2 - Search patterns
rwildcard = \
$(strip \
$(foreach d, \
$(patsubst %/,%,$(sort $(dir $(wildcard $(addsuffix /*/*, $(strip $1)))))), \
$(call rwildcard,$d,$2) \
) \
$(call DoubleDollar, $(wildcard $(foreach p, $2, $(addsuffix /$(strip $p), $(strip $1))))) \
)
# Find non directories using recursive wildcard function. This function may
# be used directly when a small amount of directories is expected to be
# searched and caching is not expected to be of use.
#
# $1 - Directory to start search in
# $2 - Optional search patterns, defaults to '*'.
WildcardFindFiles = \
$(sort $(strip \
$(eval WildcardFindFiles_result := $(call rwildcard,$(patsubst %/,%,$1),$(if $(strip $2),$2,*))) \
$(filter-out $(patsubst %/,%,$(sort $(dir $(WildcardFindFiles_result)))), \
$(WildcardFindFiles_result) \
) \
))
# Find non directories using the find utility in the shell. Safe to call for
# non existing directories, or directories containing wildcards.
#
# Files containing space will get spaces replaced with ? because GNU Make
# cannot handle lists of files with space in them. By using ?, make will match
# the wildcard to space in many situations so we don't need to replace back
# to space on every use. While not a complete solution it does allow some uses
# of FindFiles to function with spaces in file names, including for
# SetupCopyFiles. Unfortunately this does not work for WildcardFindFiles so
# if files with spaces are anticipated, use ShellFindFiles directly.
#
# $1 - Directories to start search in.
# $2 - Optional search patterns, empty means find everything. Patterns use
# standard file wildcards (* and ?) and should not be quoted.
# $3 - Optional options to find.
ShellFindFiles = \
$(if $(wildcard $1), \
$(sort \
$(shell $(FIND) $3 $(patsubst %/,%,$(wildcard $1)) \( -type f -o -type l \) \
$(if $(strip $2), -a \( -name "$(firstword $2)" \
$(foreach p, $(filter-out $(firstword $2), $2), -o -name "$(p)") \)) \
| $(TR) ' ' '?' \
) \
) \
)
# Find non directories using the method most likely to work best for the
# current build host
#
# $1 - Directory to start search in
# $2 - Optional search patterns, defaults to '*'.
ifeq ($(OPENJDK_BUILD_OS)-$(RWILDCARD_WORKS), windows-true)
DirectFindFiles = $(WildcardFindFiles)
else
DirectFindFiles = $(ShellFindFiles)
endif
# Finds files using a cache that is populated by FillFindCache below. If any of
# the directories given have not been cached, DirectFindFiles is used for
# everything. Caching is especially useful in Cygwin, where file finds are very
# costly.
#
# $1 - Directories to start search in.
# $2 - Optional search patterns. If used, no caching is done.
CacheFindFiles_CACHED_DIRS :=
CacheFindFiles_CACHED_FILES :=
CacheFindFiles = \
$(if $2, \
$(call DirectFindFiles, $1, $2) \
, \
$(if $(filter-out $(addsuffix /%, $(CacheFindFiles_CACHED_DIRS)) \
$(CacheFindFiles_CACHED_DIRS), $1), \
$(call DirectFindFiles, $1) \
, \
$(filter $(addsuffix /%,$(patsubst %/,%,$1)) $1,$(CacheFindFiles_CACHED_FILES)) \
) \
)
# Explicitly adds files to the find cache used by CacheFindFiles.
#
# $1 - Directories to start search in
FillFindCache = \
$(eval CacheFindFiles_NEW_DIRS := $$(filter-out $$(addsuffix /%,\
$$(CacheFindFiles_CACHED_DIRS)) $$(CacheFindFiles_CACHED_DIRS), $1)) \
$(if $(CacheFindFiles_NEW_DIRS), \
$(eval CacheFindFiles_CACHED_DIRS += $$(patsubst %/,%,$$(CacheFindFiles_NEW_DIRS))) \
$(eval CacheFindFiles_CACHED_FILES := $$(sort $$(CacheFindFiles_CACHED_FILES) \
$$(call DirectFindFiles, $$(CacheFindFiles_NEW_DIRS)))) \
)
# Findfiles is the default macro that should be used to find files in the file
# system. This function does not always support files with spaces in the names.
# If files with spaces are anticipated, use ShellFindFiles directly.
#
# $1 - Directories to start search in.
# $2 - Optional search patterns, empty means find everything. Patterns use
# standard file wildcards (* and ?) and should not be quoted.
ifeq ($(DISABLE_CACHE_FIND), true)
FindFiles = $(DirectFindFiles)
else
FindFiles = $(CacheFindFiles)
endif
################################################################################
# FixPath
#
# On Windows, converts a path from cygwin/unix style (e.g. /bin/foo) into
# "mixed mode" (e.g. c:/cygwin/bin/foo). On other platforms, return the path
# unchanged.
# This is normally not needed since we use the FIXPATH prefix for command lines,
# but might be needed in certain circumstances.
ifeq ($(call isTargetOs, windows), true)
FixPath = \
$(shell $(CYGPATH) -m $1)
else
FixPath = \
$1
endif
################################################################################
# DependOnVariable
#
# This macro takes a variable name and puts the value in a file only if the
# value has changed since last. The name of the file is returned. This can be
# used to create rule dependencies on make variable values. The following
# example would get rebuilt if the value of SOME_VAR was changed:
#
# path/to/some-file: $(call DependOnVariable, SOME_VAR)
# echo $(SOME_VAR) > $@
#
# Note that leading and trailing white space in the value is ignored.
#
# Defines the sub directory structure to store variable value file in
DependOnVariableDirName = \
$(strip $(addsuffix $(if $(MODULE),/$(MODULE)), \
$(subst $(TOPDIR)/,, $(if $(filter /%, $(firstword $(MAKEFILE_LIST))), \
$(firstword $(MAKEFILE_LIST)), \
$(CURDIR)/$(firstword $(MAKEFILE_LIST))))))
# Defines the name of the file to store variable value in. Generates a name
# unless parameter 2 is given.
# Param 1 - Name of variable
# Param 2 - (optional) name of file to store value in
DependOnVariableFileName = \
$(strip $(if $(strip $2), $2, \
$(MAKESUPPORT_OUTPUTDIR)/vardeps/$(DependOnVariableDirName)/$(strip $1).vardeps))
# Does the actual work with parameters stripped.
# If the file exists AND the contents is the same as the variable, do nothing
# else print a new file.
# Always returns the name of the file where the value was printed.
# Param 1 - Name of variable
# Param 2 - (optional) name of file to store value in
DependOnVariableHelper = \
$(strip \
$(eval -include $(call DependOnVariableFileName, $1, $2)) \
$(if $(call equals, $(strip $($1)), $(strip $($1_old))),,\
$(call MakeDir, $(dir $(call DependOnVariableFileName, $1, $2))) \
$(if $(findstring $(LOG_LEVEL), trace), \
$(info NewVariable $1: >$(strip $($1))<) \
$(info OldVariable $1: >$(strip $($1_old))<)) \
$(call WriteFile, $1_old:=$(call DoubleDollar,$(call EscapeHash,$($1))), \
$(call DependOnVariableFileName, $1, $2))) \
$(call DependOnVariableFileName, $1, $2) \
)
# Main macro
# Param 1 - Name of variable
# Param 2 - (optional) name of file to store value in
DependOnVariable = \
$(call DependOnVariableHelper,$(strip $1),$(strip $2))
# LogCmdlines is only intended to be used by ExecuteWithLog
ifeq ($(LOG_CMDLINES), true)
LogCmdlines = $(info $(strip $1))
else
LogCmdlines =
endif
################################################################################
# ExecuteWithLog will run a command and log the output appropriately. This is
# meant to be used by commands that do "real" work, like a compilation.
# The output is stored in a specified log file, which is displayed at the end
# of the build in case of failure. The command line itself is stored in a file,
# and also logged to stdout if the LOG=cmdlines option has been given.
#
# NOTE: If the command redirects stdout, the caller needs to wrap it in a
# subshell (by adding parentheses around it), otherwise the redirect to the
# subshell tee process will create a race condition where the target file may
# not be fully written when the make recipe is done.
#
# Param 1 - The path to base the name of the log file / command line file on
# Param 2 - The command to run
ExecuteWithLog = \
$(call LogCmdlines, Exececuting: [$(strip $2)]) \
$(call MakeDir, $(dir $(strip $1))) \
$(call WriteFile, $2, $(strip $1).cmdline) \
( $(RM) $(strip $1).log && $(strip $2) > >($(TEE) -a $(strip $1).log) 2> >($(TEE) -a $(strip $1).log >&2) || \
( exitcode=$(DOLLAR)? && \
$(CP) $(strip $1).log $(MAKESUPPORT_OUTPUTDIR)/failure-logs/$(subst /,_,$(patsubst $(OUTPUTDIR)/%,%,$(strip $1))).log && \
$(CP) $(strip $1).cmdline $(MAKESUPPORT_OUTPUTDIR)/failure-logs/$(subst /,_,$(patsubst $(OUTPUTDIR)/%,%,$(strip $1))).cmdline && \
exit $(DOLLAR)exitcode ) )
################################################################################
# Hook to include the corresponding custom file, if present.
$(eval $(call IncludeCustomExtension, common/MakeBase.gmk))
endif # _MAKEBASE_GMK