freebsd-nq/configure.ac
Brian Behlendorf a7958f7eef Support custom build directories
One of the neat tricks an autoconf style project is capable of
is allow configurion/building in a directory other than the
source directory.  The major advantage to this is that you can
build the project various different ways while making changes
in a single source tree.

For example, this project is designed to work on various different
Linux distributions each of which work slightly differently.  This
means that changes need to verified on each of those supported
distributions perferably before the change is committed to the
public git repo.

Using nfs and custom build directories makes this much easier.
I now have a single source tree in nfs mounted on several different
systems each running a supported distribution.  When I make a
change to the source base I suspect may break things I can
concurrently build from the same source on all the systems each
in their own subdirectory.

wget -c http://github.com/downloads/behlendorf/spl/spl-x.y.z.tar.gz
tar -xzf spl-x.y.z.tar.gz
cd spl-x-y-z

------------------------- run concurrently ----------------------
<ubuntu system>  <fedora system>  <debian system>  <rhel6 system>
mkdir ubuntu     mkdir fedora     mkdir debian     mkdir rhel6
cd ubuntu        cd fedora        cd debian        cd rhel6
../configure     ../configure     ../configure     ../configure
make             make             make             make
make check       make check       make check       make check

This is something the project has almost supported for a long time
but finishing this support should save me lots of time.
2010-09-05 21:49:05 -07:00

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###############################################################################
# SPL AutoConf Configuration
###############################################################################
# Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
# Copyright (C) 2007 The Regents of the University of California.
# Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
# Written by Brian Behlendorf <behlendorf1@llnl.gov>.
# UCRL-CODE-235197
#
# This file is part of the SPL, Solaris Porting Layer.
# For details, see <http://github.com/behlendorf/spl/>.
#
# The SPL 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.
#
# The SPL 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 the SPL. If not, see <http://www.gnu.org/licenses/>.
###############################################################################
AC_INIT
AC_LANG(C)
SPL_AC_META
AC_CONFIG_AUX_DIR([config])
AC_CANONICAL_SYSTEM
AM_MAINTAINER_MODE
AM_SILENT_RULES
AM_INIT_AUTOMAKE([$SPL_META_NAME], [$SPL_META_VERSION])
AC_CONFIG_HEADERS([spl_config.h], [
(mv spl_config.h spl_config.h.tmp &&
awk -f ${ac_srcdir}/config/config.awk spl_config.h.tmp >spl_config.h &&
rm spl_config.h.tmp) || exit 1])
AC_PROG_INSTALL
AC_PROG_CC
AC_PROG_LIBTOOL
SPL_AC_LICENSE
SPL_AC_PACKAGE
SPL_AC_CONFIG
AC_CONFIG_FILES([
Makefile
lib/Makefile
cmd/Makefile
module/Makefile
module/spl/Makefile
module/splat/Makefile
include/Makefile
scripts/Makefile
spl.spec
spl-modules.spec
])
AC_OUTPUT