make/autoconf/build-aux/pkg.m4 - openjdk/jdk25u - Git at Google


            
            # pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-


            #

            
            # Copyright (c) 2012, 2024, 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.

            
            #


            #

            
            # Copyright © 2004 Scott James Remnant <scott@netsplit.com>.

            
            #

            
            # This program is free software; you can redistribute it and/or modify

            
            # it under the terms of the GNU General Public License as published by

            
            # the Free Software Foundation; either version 2 of the License, or

            
            # (at your option) any later version.

            
            #

            
            # This program 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 for more details.

            
            #

            
            # You should have received a copy of the GNU General Public License

            
            # along with this program; if not, write to the Free Software

            
            # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

            
            #

            
            # As a special exception to the GNU General Public License, if you

            
            # distribute this file as part of a program that contains a

            
            # configuration script generated by Autoconf, you may include it under

            
            # the same distribution terms that you use for the rest of that program.


            # PKG_PROG_PKG_CONFIG([MIN-VERSION])

            
            # ----------------------------------

            
            AC_DEFUN([PKG_PROG_PKG_CONFIG],

            
            [m4_pattern_forbid([^_?PKG_[A-Z_]+$])

            
            m4_pattern_allow([^PKG_CONFIG(_PATH)?$])

            
            AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl

            
            if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then

            
                    AC_PATH_TOOL([PKG_CONFIG], [pkg-config])

            
            fi

            
            if test -n "$PKG_CONFIG"; then

            
                    _pkg_min_version=m4_default([$1], [0.9.0])

            
                    AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])

            
                    if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then

            
                            AC_MSG_RESULT([yes])

            
                    else

            
                            AC_MSG_RESULT([no])

            
                            PKG_CONFIG=""

            
                    fi


            fi[]dnl

            
            ])# PKG_PROG_PKG_CONFIG


            # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])

            
            #

            
            # Check to see whether a particular set of modules exists.  Similar

            
            # to PKG_CHECK_MODULES(), but does not set variables or print errors.

            
            #

            
            #

            
            # Similar to PKG_CHECK_MODULES, make sure that the first instance of

            
            # this or PKG_CHECK_MODULES is called, or make sure to call

            
            # PKG_CHECK_EXISTS manually

            
            # --------------------------------------------------------------

            
            AC_DEFUN([PKG_CHECK_EXISTS],

            
            [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl

            
            if test -n "$PKG_CONFIG" && \

            
                AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then

            
              m4_ifval([$2], [$2], [:])

            
            m4_ifvaln([$3], [else

            
              $3])dnl

            
            fi])


            # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])

            
            # ---------------------------------------------

            
            m4_define([_PKG_CONFIG],

            
            [if test -n "$$1"; then

            
                pkg_cv_[]$1="$$1"

            
             elif test -n "$PKG_CONFIG"; then

            
                PKG_CHECK_EXISTS([$3],

            
                                 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],

            
                                 [pkg_failed=yes])

            
             else

            
                pkg_failed=untried

            
            fi[]dnl

            
            ])# _PKG_CONFIG


            # _PKG_SHORT_ERRORS_SUPPORTED

            
            # -----------------------------

            
            AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],

            
            [AC_REQUIRE([PKG_PROG_PKG_CONFIG])

            
            if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then

            
                    _pkg_short_errors_supported=yes

            
            else

            
                    _pkg_short_errors_supported=no

            
            fi[]dnl

            
            ])# _PKG_SHORT_ERRORS_SUPPORTED


            # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],

            
            # [ACTION-IF-NOT-FOUND])

            
            #

            
            #

            
            # Note that if there is a possibility the first call to

            
            # PKG_CHECK_MODULES might not happen, you should be sure to include an

            
            # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac

            
            #

            
            #

            
            # --------------------------------------------------------------

            
            AC_DEFUN([PKG_CHECK_MODULES],

            
            [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl

            
            AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl

            
            AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl


            pkg_failed=no

            
            AC_MSG_CHECKING([for $1])


            _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])

            
            _PKG_CONFIG([$1][_LIBS], [libs], [$2])


            m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS

            
            and $1[]_LIBS to avoid the need to call pkg-config.

            
            See the pkg-config man page for more details.])


            if test $pkg_failed = yes; then

            
                    _PKG_SHORT_ERRORS_SUPPORTED

            
                    if test $_pkg_short_errors_supported = yes; then

            
                            $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1`

            
                    else

            
                            $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1`

            
                    fi

            
                    # Put the nasty error message in config.log where it belongs

            
                    echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD


                    ifelse([$4], , [AC_MSG_ERROR(dnl

            
            [Package requirements ($2) were not met:


            $$1_PKG_ERRORS


            Consider adjusting the PKG_CONFIG_PATH environment variable if you

            
            installed software in a non-standard prefix.


            _PKG_TEXT

            
            ])],

            
                            [AC_MSG_RESULT([no])

            
                            $4])

            
            elif test $pkg_failed = untried; then

            
                    ifelse([$4], , [AC_MSG_FAILURE(dnl

            
            [The pkg-config script could not be found or is too old.  Make sure it

            
            is in your PATH or set the PKG_CONFIG environment variable to the full

            
            path to pkg-config.


            _PKG_TEXT


            To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],

            
                            [$4])

            
            else

            
                    $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS

            
                    $1[]_LIBS=$pkg_cv_[]$1[]_LIBS

            
                    AC_MSG_RESULT([yes])

            
                    ifelse([$3], , :, [$3])

            
            fi[]dnl

            
            ])# PKG_CHECK_MODULES
	# pkg.m4 - Macros to locate and utilise pkg-config. -- Autoconf --

	#
	# Copyright (c) 2012, 2024, 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.
	#

	#
	# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
	#
	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation; either version 2 of the License, or
	# (at your option) any later version.
	#
	# This program 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 for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program; if not, write to the Free Software
	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	#
	# As a special exception to the GNU General Public License, if you
	# distribute this file as part of a program that contains a
	# configuration script generated by Autoconf, you may include it under
	# the same distribution terms that you use for the rest of that program.

	# PKG_PROG_PKG_CONFIG([MIN-VERSION])
	# ----------------------------------
	AC_DEFUN([PKG_PROG_PKG_CONFIG],
	[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
	m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
	AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
	if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
	fi
	if test -n "$PKG_CONFIG"; then
	_pkg_min_version=m4_default([$1], [0.9.0])
	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
	AC_MSG_RESULT([yes])
	else
	AC_MSG_RESULT([no])
	PKG_CONFIG=""
	fi

	fi[]dnl
	])# PKG_PROG_PKG_CONFIG

	# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
	#
	# Check to see whether a particular set of modules exists. Similar
	# to PKG_CHECK_MODULES(), but does not set variables or print errors.
	#
	#
	# Similar to PKG_CHECK_MODULES, make sure that the first instance of
	# this or PKG_CHECK_MODULES is called, or make sure to call
	# PKG_CHECK_EXISTS manually
	# --------------------------------------------------------------
	AC_DEFUN([PKG_CHECK_EXISTS],
	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
	if test -n "$PKG_CONFIG" && \
	AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
	m4_ifval([$2], [$2], [:])
	m4_ifvaln([$3], [else
	$3])dnl
	fi])


	# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
	# ---------------------------------------------
	m4_define([_PKG_CONFIG],
	[if test -n "$$1"; then
	pkg_cv_[]$1="$$1"
	elif test -n "$PKG_CONFIG"; then
	PKG_CHECK_EXISTS([$3],
	[pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
	[pkg_failed=yes])
	else
	pkg_failed=untried
	fi[]dnl
	])# _PKG_CONFIG

	# _PKG_SHORT_ERRORS_SUPPORTED
	# -----------------------------
	AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
	if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
	_pkg_short_errors_supported=yes
	else
	_pkg_short_errors_supported=no
	fi[]dnl
	])# _PKG_SHORT_ERRORS_SUPPORTED


	# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
	# [ACTION-IF-NOT-FOUND])
	#
	#
	# Note that if there is a possibility the first call to
	# PKG_CHECK_MODULES might not happen, you should be sure to include an
	# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
	#
	#
	# --------------------------------------------------------------
	AC_DEFUN([PKG_CHECK_MODULES],
	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
	AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
	AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl

	pkg_failed=no
	AC_MSG_CHECKING([for $1])

	_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
	_PKG_CONFIG([$1][_LIBS], [libs], [$2])

	m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
	and $1[]_LIBS to avoid the need to call pkg-config.
	See the pkg-config man page for more details.])

	if test $pkg_failed = yes; then
	_PKG_SHORT_ERRORS_SUPPORTED
	if test $_pkg_short_errors_supported = yes; then
	$1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1`
	else
	$1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1`
	fi
	# Put the nasty error message in config.log where it belongs
	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD

	ifelse([$4], , [AC_MSG_ERROR(dnl
	[Package requirements ($2) were not met:

	$$1_PKG_ERRORS

	Consider adjusting the PKG_CONFIG_PATH environment variable if you
	installed software in a non-standard prefix.

	_PKG_TEXT
	])],
	[AC_MSG_RESULT([no])
	$4])
	elif test $pkg_failed = untried; then
	ifelse([$4], , [AC_MSG_FAILURE(dnl
	[The pkg-config script could not be found or is too old. Make sure it
	is in your PATH or set the PKG_CONFIG environment variable to the full
	path to pkg-config.

	_PKG_TEXT

	To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],
	[$4])
	else
	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
	AC_MSG_RESULT([yes])
	ifelse([$3], , :, [$3])
	fi[]dnl
	])# PKG_CHECK_MODULES