twisterp2pnetworkbittorrentblockchainipv6microbloggingdhtdecentralizedsocial-networktwister-ipv6twister-coretwisterarmyp2p-networktwister-server
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
155 lines
5.0 KiB
155 lines
5.0 KiB
# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- |
|
# |
|
# 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
|
|
|