jdk8-mips64-public: common/autoconf/build-aux/pkg.m4@50aaf272884f

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

3 #

     4 # Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.

     5 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

6 #

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

     8 # under the terms of the GNU General Public License version 2 only, as

     9 # published by the Free Software Foundation.  Oracle designates this

    10 # particular file as subject to the "Classpath" exception as provided

    11 # by Oracle in the LICENSE file that accompanied this code.

    12 #

    13 # This code is distributed in the hope that it will be useful, but WITHOUT

    14 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    15 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    16 # version 2 for more details (a copy is included in the LICENSE file that

    17 # accompanied this code).

    18 #

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

    20 # 2 along with this work; if not, write to the Free Software Foundation,

    21 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    22 #

    23 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    24 # or visit www.oracle.com if you need additional information or have any

    25 # questions.

    26 #

    28 #

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

    30 #

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

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

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

    34 # (at your option) any later version.

    35 #

    36 # This program is distributed in the hope that it will be useful, but

    37 # WITHOUT ANY WARRANTY; without even the implied warranty of

    38 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    39 # General Public License for more details.

    40 #

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

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

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

    44 #

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

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

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

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

    50 # PKG_PROG_PKG_CONFIG([MIN-VERSION])

    51 # ----------------------------------

    52 AC_DEFUN([PKG_PROG_PKG_CONFIG],

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

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

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

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

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

    58 fi

    59 if test -n "$PKG_CONFIG"; then

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

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

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

    63 		AC_MSG_RESULT([yes])

    64 	else

    65 		AC_MSG_RESULT([no])

    66 		PKG_CONFIG=""

    67 	fi

    69 fi[]dnl

    70 ])# PKG_PROG_PKG_CONFIG

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

    73 #

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

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

    76 #

    77 #

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

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

    80 # PKG_CHECK_EXISTS manually

    81 # --------------------------------------------------------------

    82 AC_DEFUN([PKG_CHECK_EXISTS],

    83 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl

    84 if test -n "$PKG_CONFIG" && \

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

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

    87 m4_ifvaln([$3], [else

    88   $3])dnl

    89 fi])

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

    93 # ---------------------------------------------

    94 m4_define([_PKG_CONFIG],

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

    96     pkg_cv_[]$1="$$1"

    97  elif test -n "$PKG_CONFIG"; then

    98     PKG_CHECK_EXISTS([$3],

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

   100 		     [pkg_failed=yes])

   101  else

   102     pkg_failed=untried

   103 fi[]dnl

   104 ])# _PKG_CONFIG

   106 # _PKG_SHORT_ERRORS_SUPPORTED

   107 # -----------------------------

   108 AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],

   109 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])

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

   111         _pkg_short_errors_supported=yes

   112 else

   113         _pkg_short_errors_supported=no

   114 fi[]dnl

   115 ])# _PKG_SHORT_ERRORS_SUPPORTED

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

   119 # [ACTION-IF-NOT-FOUND])

   120 #

   121 #

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

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

   124 # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac

   125 #

   126 #

   127 # --------------------------------------------------------------

   128 AC_DEFUN([PKG_CHECK_MODULES],

   129 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl

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

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

   133 pkg_failed=no

   134 AC_MSG_CHECKING([for $1])

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

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

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

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

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

   143 if test $pkg_failed = yes; then

   144         _PKG_SHORT_ERRORS_SUPPORTED

   145         if test $_pkg_short_errors_supported = yes; then

   146 	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1`

   147         else

   148 	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1`

   149         fi

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

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

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

   154 [Package requirements ($2) were not met:

   156 $$1_PKG_ERRORS

   158 Consider adjusting the PKG_CONFIG_PATH environment variable if you

   159 installed software in a non-standard prefix.

   161 _PKG_TEXT

   162 ])],

   163 		[AC_MSG_RESULT([no])

   164                 $4])

   165 elif test $pkg_failed = untried; then

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

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

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

   169 path to pkg-config.

   171 _PKG_TEXT

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

   174 		[$4])

   175 else

   176 	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS

   177 	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS

   178         AC_MSG_RESULT([yes])

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

   180 fi[]dnl

   181 ])# PKG_CHECK_MODULES

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