379 lines
14 KiB
Plaintext
379 lines
14 KiB
Plaintext
#
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# Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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m4_include([util_paths.m4])
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m4_include([util_windows.m4])
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###############################################################################
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# Create a function/macro that takes a series of named arguments. The call is
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# similar to AC_DEFUN, but the setup of the function looks like this:
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# UTIL_DEFUN_NAMED([MYFUNC], [FOO *BAR], [$@], [
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# ... do something
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# AC_MSG_NOTICE([Value of BAR is ARG_BAR])
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# ])
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# A star (*) in front of a named argument means that it is required and it's
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# presence will be verified. To pass e.g. the first value as a normal indexed
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# argument, use [m4_shift($@)] as the third argument instead of [$@]. These
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# arguments are referenced in the function by their name prefixed by ARG_, e.g.
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# "ARG_FOO".
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#
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# The generated function can be called like this:
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# MYFUNC(FOO: [foo-val],
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# BAR: [
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# $ECHO hello world
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# ])
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# Note that the argument value must start on the same line as the argument name.
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#
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# Argument 1: Name of the function to define
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# Argument 2: List of legal named arguments, with a * prefix for required arguments
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# Argument 3: Argument array to treat as named, typically $@
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# Argument 4: The main function body
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AC_DEFUN([UTIL_DEFUN_NAMED],
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[
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AC_DEFUN($1, [
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m4_foreach(arg, m4_split($2), [
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m4_if(m4_bregexp(arg, [^\*]), -1,
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[
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m4_set_add(legal_named_args, arg)
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],
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[
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m4_set_add(legal_named_args, m4_substr(arg, 1))
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m4_set_add(required_named_args, m4_substr(arg, 1))
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]
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)
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])
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m4_foreach([arg], [$3], [
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m4_define(arg_name, m4_substr(arg, 0, m4_bregexp(arg, [: ])))
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m4_set_contains(legal_named_args, arg_name, [],[AC_MSG_ERROR([Internal error: arg_name is not a valid named argument to [$1]. Valid arguments are 'm4_set_contents(legal_named_args, [ ])'.])])
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m4_set_remove(required_named_args, arg_name)
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m4_set_remove(legal_named_args, arg_name)
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m4_pushdef([ARG_][]arg_name, m4_substr(arg, m4_incr(m4_incr(m4_bregexp(arg, [: ])))))
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m4_set_add(defined_args, arg_name)
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m4_undefine([arg_name])
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])
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m4_set_empty(required_named_args, [], [
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AC_MSG_ERROR([Internal error: Required named arguments are missing for [$1]. Missing arguments: 'm4_set_contents(required_named_args, [ ])'])
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])
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m4_foreach([arg], m4_indir([m4_dquote]m4_set_listc([legal_named_args])), [
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m4_pushdef([ARG_][]arg, [])
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m4_set_add(defined_args, arg)
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])
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m4_set_delete(legal_named_args)
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m4_set_delete(required_named_args)
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# Execute function body
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$4
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m4_foreach([arg], m4_indir([m4_dquote]m4_set_listc([defined_args])), [
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m4_popdef([ARG_][]arg)
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])
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m4_set_delete(defined_args)
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])
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])
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###############################################################################
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# Check if a list of space-separated words are selected only from a list of
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# space-separated legal words. Typical use is to see if a user-specified
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# set of words is selected from a set of legal words.
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#
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# Sets the specified variable to list of non-matching (offending) words, or to
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# the empty string if all words are matching the legal set.
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#
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# $1: result variable name
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# $2: list of values to check
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# $3: list of legal values
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AC_DEFUN([UTIL_GET_NON_MATCHING_VALUES],
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[
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# grep filter function inspired by a comment to http://stackoverflow.com/a/1617326
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# Notice that the original variant fails on SLES 10 and 11
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# Some grep versions (at least bsd) behaves strangely on the base case with
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# no legal_values, so make it explicit.
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values_to_check=`$ECHO $2 | $TR ' ' '\n'`
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legal_values=`$ECHO $3 | $TR ' ' '\n'`
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if test -z "$legal_values"; then
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$1="$2"
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else
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result=`$GREP -Fvx "$legal_values" <<< "$values_to_check" | $GREP -v '^$'`
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$1=${result//$'\n'/ }
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fi
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])
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###############################################################################
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# Check if a list of space-separated words contains any word(s) from a list of
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# space-separated illegal words. Typical use is to see if a user-specified
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# set of words contains any from a set of illegal words.
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#
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# Sets the specified variable to list of matching illegal words, or to
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# the empty string if no words are matching the illegal set.
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#
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# $1: result variable name
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# $2: list of values to check
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# $3: list of illegal values
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AC_DEFUN([UTIL_GET_MATCHING_VALUES],
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[
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# grep filter function inspired by a comment to http://stackoverflow.com/a/1617326
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# Notice that the original variant fails on SLES 10 and 11
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# Some grep versions (at least bsd) behaves strangely on the base case with
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# no legal_values, so make it explicit.
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values_to_check=`$ECHO $2 | $TR ' ' '\n'`
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illegal_values=`$ECHO $3 | $TR ' ' '\n'`
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if test -z "$illegal_values"; then
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$1=""
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else
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result=`$GREP -Fx "$illegal_values" <<< "$values_to_check" | $GREP -v '^$'`
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$1=${result//$'\n'/ }
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fi
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])
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###############################################################################
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# Sort a space-separated list, and remove duplicates.
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#
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# Sets the specified variable to the resulting list.
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#
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# $1: result variable name
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# $2: list of values to sort
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AC_DEFUN([UTIL_SORT_LIST],
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[
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values_to_sort=`$ECHO $2 | $TR ' ' '\n'`
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result=`$SORT -u <<< "$values_to_sort" | $GREP -v '^$'`
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$1=${result//$'\n'/ }
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])
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###############################################################################
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# Test if $1 is a valid argument to $3 (often is $JAVA passed as $3)
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# If so, then append $1 to $2 \
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# Also set JVM_ARG_OK to true/false depending on outcome.
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AC_DEFUN([UTIL_ADD_JVM_ARG_IF_OK],
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[
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$ECHO "Check if jvm arg is ok: $1" >&AS_MESSAGE_LOG_FD
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$ECHO "Command: $3 $1 -version" >&AS_MESSAGE_LOG_FD
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OUTPUT=`$3 $1 $USER_BOOT_JDK_OPTIONS -version 2>&1`
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FOUND_WARN=`$ECHO "$OUTPUT" | $GREP -i warn`
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FOUND_VERSION=`$ECHO $OUTPUT | $GREP " version \""`
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if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
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$2="[$]$2 $1"
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JVM_ARG_OK=true
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else
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$ECHO "Arg failed:" >&AS_MESSAGE_LOG_FD
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$ECHO "$OUTPUT" >&AS_MESSAGE_LOG_FD
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JVM_ARG_OK=false
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fi
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])
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###############################################################################
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# Register a --with argument but mark it as deprecated
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# $1: The name of the with argument to deprecate, not including --with-
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AC_DEFUN([UTIL_DEPRECATED_ARG_WITH],
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[
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AC_ARG_WITH($1, [AS_HELP_STRING([--with-$1],
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[Deprecated. Option is kept for backwards compatibility and is ignored])],
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[AC_MSG_WARN([Option --with-$1 is deprecated and will be ignored.])])
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])
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###############################################################################
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# Register a --enable argument but mark it as deprecated
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# $1: The name of the with argument to deprecate, not including --enable-
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# $2: The name of the argument to deprecate, in shell variable style (i.e. with _ instead of -)
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# $3: Messages to user.
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AC_DEFUN([UTIL_DEPRECATED_ARG_ENABLE],
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[
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AC_ARG_ENABLE($1, [AS_HELP_STRING([--enable-$1],
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[Deprecated. Option is kept for backwards compatibility and is ignored])])
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if test "x$enable_$2" != x; then
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AC_MSG_WARN([Option --enable-$1 is deprecated and will be ignored.])
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if test "x$3" != x; then
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AC_MSG_WARN([$3])
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fi
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fi
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])
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###############################################################################
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# Register an --enable-* argument as an alias for another argument.
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# $1: The name of the enable argument for the new alias, not including --enable-
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# $2: The full name of the argument of which to make this an alias, including
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# --enable- or --with-.
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AC_DEFUN([UTIL_ALIASED_ARG_ENABLE],
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[
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AC_ARG_ENABLE($1, [AS_HELP_STRING([--enable-$1], [alias for $2])], [
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# Use m4 to strip initial -- from target ($2), convert - to _, prefix enable_
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# to new alias name, and create a shell variable assignment,
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# e.g.: enable_old_style="$enable_new_alias"
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translit(patsubst($2, --), -, _)="$[enable_]translit($1, -, _)"
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])
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])
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###############################################################################
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# Test that variable $1 denoting a program is not empty. If empty, exit with an error.
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# $1: variable to check
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AC_DEFUN([UTIL_CHECK_NONEMPTY],
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[
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if test "x[$]$1" = x; then
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AC_MSG_ERROR([Could not find required tool for $1])
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fi
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])
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###############################################################################
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# Setup a tool for the given variable. If correctly specified by the user,
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# use that value, otherwise search for the tool using the supplied code snippet.
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# $1: variable to set
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# $2: code snippet to call to look for the tool
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# $3: code snippet to call if variable was used to find tool
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AC_DEFUN([UTIL_SETUP_TOOL],
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[
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# Publish this variable in the help.
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AC_ARG_VAR($1, [Override default value for $1])
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if [[ -z "${$1+x}" ]]; then
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# The variable is not set by user, try to locate tool using the code snippet
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$2
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else
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# The variable is set, but is it from the command line or the environment?
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# Try to remove the string !$1! from our list.
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try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!$1!/}
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if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
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# If it failed, the variable was not from the command line. Ignore it,
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# but warn the user (except for BASH, which is always set by the calling BASH).
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if test "x$1" != xBASH; then
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AC_MSG_WARN([Ignoring value of $1 from the environment. Use command line variables instead.])
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fi
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# Try to locate tool using the code snippet
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$2
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else
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# If it succeeded, then it was overridden by the user. We will use it
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# for the tool.
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# First remove it from the list of overridden variables, so we can test
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# for unknown variables in the end.
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CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
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tool_override=[$]$1
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AC_MSG_NOTICE([User supplied override $1="$tool_override"])
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# Check if we try to supply an empty value
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if test "x$tool_override" = x; then
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AC_MSG_CHECKING([for $1])
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AC_MSG_RESULT([disabled])
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else
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# Split up override in command part and argument part
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tool_and_args=($tool_override)
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[ tool_command=${tool_and_args[0]} ]
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[ unset 'tool_and_args[0]' ]
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[ tool_args=${tool_and_args[@]} ]
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# Check if the provided tool contains a complete path.
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tool_basename="${tool_command##*/}"
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if test "x$tool_basename" = "x$tool_command"; then
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# A command without a complete path is provided, search $PATH.
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AC_MSG_NOTICE([Will search for user supplied tool "$tool_basename"])
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AC_PATH_PROG($1, $tool_basename)
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if test "x[$]$1" = x; then
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AC_MSG_ERROR([User supplied tool $1="$tool_basename" could not be found])
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fi
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else
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# Otherwise we believe it is a complete path. Use it as it is.
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AC_MSG_NOTICE([Will use user supplied tool "$tool_command"])
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AC_MSG_CHECKING([for $tool_command])
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if test ! -x "$tool_command"; then
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AC_MSG_RESULT([not found])
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AC_MSG_ERROR([User supplied tool $1="$tool_command" does not exist or is not executable])
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fi
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$1="$tool_command"
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AC_MSG_RESULT([found])
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fi
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if test "x$tool_args" != x; then
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# If we got arguments, re-append them to the command after the fixup.
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$1="[$]$1 $tool_args"
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fi
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fi
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fi
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$3
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fi
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])
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###############################################################################
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# Call UTIL_SETUP_TOOL with AC_PATH_PROGS to locate the tool
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# $1: variable to set
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# $2: executable name (or list of names) to look for
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# $3: [path]
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AC_DEFUN([UTIL_PATH_PROGS],
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[
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UTIL_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2, , $3)])
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])
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###############################################################################
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# Call UTIL_SETUP_TOOL with AC_CHECK_TOOLS to locate the tool
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# $1: variable to set
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# $2: executable name (or list of names) to look for
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AC_DEFUN([UTIL_CHECK_TOOLS],
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[
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UTIL_SETUP_TOOL($1, [AC_CHECK_TOOLS($1, $2)])
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])
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###############################################################################
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# Like UTIL_PATH_PROGS but fails if no tool was found.
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# $1: variable to set
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# $2: executable name (or list of names) to look for
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# $3: [path]
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AC_DEFUN([UTIL_REQUIRE_PROGS],
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[
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UTIL_PATH_PROGS($1, $2, , $3)
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UTIL_CHECK_NONEMPTY($1)
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])
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###############################################################################
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# Like UTIL_SETUP_TOOL but fails if no tool was found.
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# $1: variable to set
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# $2: autoconf macro to call to look for the special tool
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AC_DEFUN([UTIL_REQUIRE_SPECIAL],
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[
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UTIL_SETUP_TOOL($1, [$2])
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UTIL_CHECK_NONEMPTY($1)
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])
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###############################################################################
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# Like UTIL_REQUIRE_PROGS but also allows for bash built-ins
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# $1: variable to set
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# $2: executable name (or list of names) to look for
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# $3: [path]
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AC_DEFUN([UTIL_REQUIRE_BUILTIN_PROGS],
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[
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UTIL_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2, , $3)])
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if test "x[$]$1" = x; then
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AC_MSG_NOTICE([Required tool $2 not found in PATH, checking built-in])
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if help $2 > /dev/null 2>&1; then
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AC_MSG_NOTICE([Found $2 as shell built-in. Using it])
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$1="$2"
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else
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AC_MSG_ERROR([Required tool $2 also not found as built-in.])
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fi
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fi
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UTIL_CHECK_NONEMPTY($1)
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])
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