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1 # generated automatically by aclocal 1.11.1 -*- Autoconf -*- | 1 # generated automatically by aclocal 1.11.1 -*- Autoconf -*- |
2 | 2 |
3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, | 3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
4 # 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. | 4 # 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
5 # This file is free software; the Free Software Foundation | 5 # This file is free software; the Free Software Foundation |
6 # gives unlimited permission to copy and/or distribute it, | 6 # gives unlimited permission to copy and/or distribute it, |
7 # with or without modifications, as long as this notice is preserved. | 7 # with or without modifications, as long as this notice is preserved. |
8 | 8 |
9 # This program is distributed in the hope that it will be useful, | 9 # This program is distributed in the hope that it will be useful, |
10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without | 10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without |
11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A | 11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A |
12 # PARTICULAR PURPOSE. | 12 # PARTICULAR PURPOSE. |
13 | 13 |
| 14 # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- |
| 15 # |
| 16 # Copyright © 2004 Scott James Remnant <scott@netsplit.com>. |
| 17 # |
| 18 # This program is free software; you can redistribute it and/or modify |
| 19 # it under the terms of the GNU General Public License as published by |
| 20 # the Free Software Foundation; either version 2 of the License, or |
| 21 # (at your option) any later version. |
| 22 # |
| 23 # This program is distributed in the hope that it will be useful, but |
| 24 # WITHOUT ANY WARRANTY; without even the implied warranty of |
| 25 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 26 # General Public License for more details. |
| 27 # |
| 28 # You should have received a copy of the GNU General Public License |
| 29 # along with this program; if not, write to the Free Software |
| 30 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 31 # |
| 32 # As a special exception to the GNU General Public License, if you |
| 33 # distribute this file as part of a program that contains a |
| 34 # configuration script generated by Autoconf, you may include it under |
| 35 # the same distribution terms that you use for the rest of that program. |
| 36 |
| 37 # PKG_PROG_PKG_CONFIG([MIN-VERSION]) |
| 38 # ---------------------------------- |
| 39 AC_DEFUN([PKG_PROG_PKG_CONFIG], |
| 40 [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) |
| 41 m4_pattern_allow([^PKG_CONFIG(_PATH)?$]) |
| 42 AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl |
| 43 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then |
| 44 AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) |
| 45 fi |
| 46 if test -n "$PKG_CONFIG"; then |
| 47 _pkg_min_version=m4_default([$1], [0.9.0]) |
| 48 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) |
| 49 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then |
| 50 AC_MSG_RESULT([yes]) |
| 51 else |
| 52 AC_MSG_RESULT([no]) |
| 53 PKG_CONFIG="" |
| 54 fi |
| 55 |
| 56 fi[]dnl |
| 57 ])# PKG_PROG_PKG_CONFIG |
| 58 |
| 59 # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) |
| 60 # |
| 61 # Check to see whether a particular set of modules exists. Similar |
| 62 # to PKG_CHECK_MODULES(), but does not set variables or print errors. |
| 63 # |
| 64 # |
| 65 # Similar to PKG_CHECK_MODULES, make sure that the first instance of |
| 66 # this or PKG_CHECK_MODULES is called, or make sure to call |
| 67 # PKG_CHECK_EXISTS manually |
| 68 # -------------------------------------------------------------- |
| 69 AC_DEFUN([PKG_CHECK_EXISTS], |
| 70 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
| 71 if test -n "$PKG_CONFIG" && \ |
| 72 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then |
| 73 m4_ifval([$2], [$2], [:]) |
| 74 m4_ifvaln([$3], [else |
| 75 $3])dnl |
| 76 fi]) |
| 77 |
| 78 |
| 79 # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) |
| 80 # --------------------------------------------- |
| 81 m4_define([_PKG_CONFIG], |
| 82 [if test -n "$$1"; then |
| 83 pkg_cv_[]$1="$$1" |
| 84 elif test -n "$PKG_CONFIG"; then |
| 85 PKG_CHECK_EXISTS([$3], |
| 86 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`], |
| 87 [pkg_failed=yes]) |
| 88 else |
| 89 pkg_failed=untried |
| 90 fi[]dnl |
| 91 ])# _PKG_CONFIG |
| 92 |
| 93 # _PKG_SHORT_ERRORS_SUPPORTED |
| 94 # ----------------------------- |
| 95 AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], |
| 96 [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) |
| 97 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then |
| 98 _pkg_short_errors_supported=yes |
| 99 else |
| 100 _pkg_short_errors_supported=no |
| 101 fi[]dnl |
| 102 ])# _PKG_SHORT_ERRORS_SUPPORTED |
| 103 |
| 104 |
| 105 # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], |
| 106 # [ACTION-IF-NOT-FOUND]) |
| 107 # |
| 108 # |
| 109 # Note that if there is a possibility the first call to |
| 110 # PKG_CHECK_MODULES might not happen, you should be sure to include an |
| 111 # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac |
| 112 # |
| 113 # |
| 114 # -------------------------------------------------------------- |
| 115 AC_DEFUN([PKG_CHECK_MODULES], |
| 116 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
| 117 AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl |
| 118 AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl |
| 119 |
| 120 pkg_failed=no |
| 121 AC_MSG_CHECKING([for $1]) |
| 122 |
| 123 _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) |
| 124 _PKG_CONFIG([$1][_LIBS], [libs], [$2]) |
| 125 |
| 126 m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[
]_CFLAGS |
| 127 and $1[]_LIBS to avoid the need to call pkg-config. |
| 128 See the pkg-config man page for more details.]) |
| 129 |
| 130 if test $pkg_failed = yes; then |
| 131 _PKG_SHORT_ERRORS_SUPPORTED |
| 132 if test $_pkg_short_errors_supported = yes; then |
| 133 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2"
2>&1` |
| 134 else |
| 135 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1` |
| 136 fi |
| 137 # Put the nasty error message in config.log where it belongs |
| 138 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD |
| 139 |
| 140 ifelse([$4], , [AC_MSG_ERROR(dnl |
| 141 [Package requirements ($2) were not met: |
| 142 |
| 143 $$1_PKG_ERRORS |
| 144 |
| 145 Consider adjusting the PKG_CONFIG_PATH environment variable if you |
| 146 installed software in a non-standard prefix. |
| 147 |
| 148 _PKG_TEXT |
| 149 ])], |
| 150 [AC_MSG_RESULT([no]) |
| 151 $4]) |
| 152 elif test $pkg_failed = untried; then |
| 153 ifelse([$4], , [AC_MSG_FAILURE(dnl |
| 154 [The pkg-config script could not be found or is too old. Make sure it |
| 155 is in your PATH or set the PKG_CONFIG environment variable to the full |
| 156 path to pkg-config. |
| 157 |
| 158 _PKG_TEXT |
| 159 |
| 160 To get pkg-config, see <http://pkg-config.freedesktop.org/>.])], |
| 161 [$4]) |
| 162 else |
| 163 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS |
| 164 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS |
| 165 AC_MSG_RESULT([yes]) |
| 166 ifelse([$3], , :, [$3]) |
| 167 fi[]dnl |
| 168 ])# PKG_CHECK_MODULES |
| 169 |
14 m4_include([acinclude.m4]) | 170 m4_include([acinclude.m4]) |
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