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@@ -20,6 +20,166 @@ You have another version of autoconf. It may work, but is not guaranteed to. | |
If you have problems, you may need to regenerate the build system entirely. | ||
To do so, use the procedure documented by the package, typically 'autoreconf'.])]) | ||
|
||
# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- | ||
# serial 1 (pkg-config-0.24) | ||
# | ||
# Copyright © 2004 Scott James Remnant <[email protected]>. | ||
# | ||
# 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_]+$]) | ||
m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) | ||
m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) | ||
AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) | ||
AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) | ||
AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) | ||
if test "x$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 $_pkg_min_version; then | ||
AC_MSG_RESULT([yes]) | ||
else | ||
AC_MSG_RESULT([no]) | ||
PKG_CONFIG="" | ||
fi | ||
fi[]dnl | ||
])# PKG_PROG_PKG_CONFIG | ||
|
||
# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) | ||
# | ||
# Check to see whether a particular set of modules exists. Similar | ||
# to PKG_CHECK_MODULES(), but does not set variables or print errors. | ||
# | ||
# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) | ||
# only at the first occurence in configure.ac, so if the first place | ||
# it's called might be skipped (such as if it is within an "if", you | ||
# have to call PKG_CHECK_EXISTS manually | ||
# -------------------------------------------------------------- | ||
AC_DEFUN([PKG_CHECK_EXISTS], | ||
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | ||
if test -n "$PKG_CONFIG" && \ | ||
AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then | ||
m4_default([$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 "$3" 2>/dev/null` | ||
test "x$?" != "x0" && pkg_failed=yes ], | ||
[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 | ||
AC_MSG_RESULT([no]) | ||
_PKG_SHORT_ERRORS_SUPPORTED | ||
if test $_pkg_short_errors_supported = yes; then | ||
$1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` | ||
else | ||
$1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` | ||
fi | ||
# Put the nasty error message in config.log where it belongs | ||
echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD | ||
m4_default([$4], [AC_MSG_ERROR( | ||
[Package requirements ($2) were not met: | ||
$$1_PKG_ERRORS | ||
Consider adjusting the PKG_CONFIG_PATH environment variable if you | ||
installed software in a non-standard prefix. | ||
_PKG_TEXT])[]dnl | ||
]) | ||
elif test $pkg_failed = untried; then | ||
AC_MSG_RESULT([no]) | ||
m4_default([$4], [AC_MSG_FAILURE( | ||
[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/>.])[]dnl | ||
]) | ||
else | ||
$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS | ||
$1[]_LIBS=$pkg_cv_[]$1[]_LIBS | ||
AC_MSG_RESULT([yes]) | ||
$3 | ||
fi[]dnl | ||
])# PKG_CHECK_MODULES | ||
|
||
# Copyright (C) 2002-2013 Free Software Foundation, Inc. | ||
# | ||
# This file is free software; the Free Software Foundation | ||
|
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