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1 | # generated automatically by aclocal 1.11.1 -*- Autoconf -*- |
2 | ||
3 | # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, | |
4 | # 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. | |
5 | # This file is free software; the Free Software Foundation | |
6 | # gives unlimited permission to copy and/or distribute it, | |
7 | # with or without modifications, as long as this notice is preserved. | |
8 | ||
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 | |
11 | # even the implied warranty of MERCHANTABILITY or FITNESS FOR A | |
12 | # PARTICULAR PURPOSE. | |
13 | ||
14 | # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- | |
15 | # serial 1 (pkg-config-0.24) | |
16 | # | |
17 | # Copyright © 2004 Scott James Remnant <[email protected]>. | |
18 | # | |
19 | # This program is free software; you can redistribute it and/or modify | |
20 | # it under the terms of the GNU General Public License as published by | |
21 | # the Free Software Foundation; either version 2 of the License, or | |
22 | # (at your option) any later version. | |
23 | # | |
24 | # This program is distributed in the hope that it will be useful, but | |
25 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 | # General Public License for more details. | |
28 | # | |
29 | # You should have received a copy of the GNU General Public License | |
30 | # along with this program; if not, write to the Free Software | |
31 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
32 | # | |
33 | # As a special exception to the GNU General Public License, if you | |
34 | # distribute this file as part of a program that contains a | |
35 | # configuration script generated by Autoconf, you may include it under | |
36 | # the same distribution terms that you use for the rest of that program. | |
37 | ||
38 | # PKG_PROG_PKG_CONFIG([MIN-VERSION]) | |
39 | # ---------------------------------- | |
40 | AC_DEFUN([PKG_PROG_PKG_CONFIG], | |
41 | [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) | |
9c082ca8 MF |
42 | m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) |
43 | m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) | |
ef016f83 MF |
44 | AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) |
45 | AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) | |
46 | AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) | |
47 | ||
48 | if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then | |
49 | AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) | |
50 | fi | |
51 | if test -n "$PKG_CONFIG"; then | |
52 | _pkg_min_version=m4_default([$1], [0.9.0]) | |
53 | AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) | |
54 | if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then | |
55 | AC_MSG_RESULT([yes]) | |
56 | else | |
57 | AC_MSG_RESULT([no]) | |
58 | PKG_CONFIG="" | |
59 | fi | |
60 | fi[]dnl | |
61 | ])# PKG_PROG_PKG_CONFIG | |
62 | ||
63 | # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) | |
64 | # | |
65 | # Check to see whether a particular set of modules exists. Similar | |
66 | # to PKG_CHECK_MODULES(), but does not set variables or print errors. | |
67 | # | |
68 | # Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) | |
69 | # only at the first occurence in configure.ac, so if the first place | |
70 | # it's called might be skipped (such as if it is within an "if", you | |
71 | # have to call PKG_CHECK_EXISTS manually | |
72 | # -------------------------------------------------------------- | |
73 | AC_DEFUN([PKG_CHECK_EXISTS], | |
74 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | |
75 | if test -n "$PKG_CONFIG" && \ | |
76 | AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then | |
77 | m4_default([$2], [:]) | |
78 | m4_ifvaln([$3], [else | |
79 | $3])dnl | |
80 | fi]) | |
81 | ||
82 | # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) | |
83 | # --------------------------------------------- | |
84 | m4_define([_PKG_CONFIG], | |
85 | [if test -n "$$1"; then | |
86 | pkg_cv_[]$1="$$1" | |
87 | elif test -n "$PKG_CONFIG"; then | |
88 | PKG_CHECK_EXISTS([$3], | |
9c082ca8 MF |
89 | [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` |
90 | test "x$?" != "x0" && pkg_failed=yes ], | |
ef016f83 MF |
91 | [pkg_failed=yes]) |
92 | else | |
93 | pkg_failed=untried | |
94 | fi[]dnl | |
95 | ])# _PKG_CONFIG | |
96 | ||
97 | # _PKG_SHORT_ERRORS_SUPPORTED | |
98 | # ----------------------------- | |
99 | AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], | |
100 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) | |
101 | if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then | |
102 | _pkg_short_errors_supported=yes | |
103 | else | |
104 | _pkg_short_errors_supported=no | |
105 | fi[]dnl | |
106 | ])# _PKG_SHORT_ERRORS_SUPPORTED | |
107 | ||
108 | ||
109 | # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], | |
110 | # [ACTION-IF-NOT-FOUND]) | |
111 | # | |
112 | # | |
113 | # Note that if there is a possibility the first call to | |
114 | # PKG_CHECK_MODULES might not happen, you should be sure to include an | |
115 | # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac | |
116 | # | |
117 | # | |
118 | # -------------------------------------------------------------- | |
119 | AC_DEFUN([PKG_CHECK_MODULES], | |
120 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | |
121 | AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl | |
122 | AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl | |
123 | ||
124 | pkg_failed=no | |
125 | AC_MSG_CHECKING([for $1]) | |
126 | ||
127 | _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) | |
128 | _PKG_CONFIG([$1][_LIBS], [libs], [$2]) | |
129 | ||
130 | m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS | |
131 | and $1[]_LIBS to avoid the need to call pkg-config. | |
132 | See the pkg-config man page for more details.]) | |
133 | ||
134 | if test $pkg_failed = yes; then | |
135 | AC_MSG_RESULT([no]) | |
136 | _PKG_SHORT_ERRORS_SUPPORTED | |
137 | if test $_pkg_short_errors_supported = yes; then | |
9c082ca8 | 138 | $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` |
ef016f83 | 139 | else |
9c082ca8 | 140 | $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` |
ef016f83 MF |
141 | fi |
142 | # Put the nasty error message in config.log where it belongs | |
143 | echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD | |
144 | ||
145 | m4_default([$4], [AC_MSG_ERROR( | |
146 | [Package requirements ($2) were not met: | |
147 | ||
148 | $$1_PKG_ERRORS | |
149 | ||
150 | Consider adjusting the PKG_CONFIG_PATH environment variable if you | |
151 | installed software in a non-standard prefix. | |
152 | ||
153 | _PKG_TEXT])[]dnl | |
154 | ]) | |
155 | elif test $pkg_failed = untried; then | |
156 | AC_MSG_RESULT([no]) | |
157 | m4_default([$4], [AC_MSG_FAILURE( | |
158 | [The pkg-config script could not be found or is too old. Make sure it | |
159 | is in your PATH or set the PKG_CONFIG environment variable to the full | |
160 | path to pkg-config. | |
161 | ||
162 | _PKG_TEXT | |
163 | ||
9c082ca8 | 164 | To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl |
ef016f83 MF |
165 | ]) |
166 | else | |
167 | $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS | |
168 | $1[]_LIBS=$pkg_cv_[]$1[]_LIBS | |
169 | AC_MSG_RESULT([yes]) | |
170 | $3 | |
171 | fi[]dnl | |
172 | ])# PKG_CHECK_MODULES | |
173 |