#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_INIT([lxc], [0.8.0])

AC_CONFIG_SRCDIR([configure.ac])
AC_CONFIG_AUX_DIR([config])
AM_CONFIG_HEADER([src/config.h])
AM_INIT_AUTOMAKE([-Wall -Werror -Wno-portability])
AC_CANONICAL_HOST
AM_PROG_CC_C_O
AC_GNU_SOURCE
AC_CHECK_PROG(SETCAP, setcap, yes, no, $PATH$PATH_SEPARATOR/sbin)

AC_MSG_CHECKING([host distribution])
AC_ARG_WITH(distro, AS_HELP_STRING([--with-distro=DISTRO], [Specify the Linux distribution to target: One of redhat, oracle, fedora, suse, gentoo, debian, arch, slackware, paldo, mandriva or pardus]))
if test "z$with_distro" = "z"; then
	with_distro=`lsb_release -is`
fi
if test "z$with_distro" = "z"; then
	AC_CHECK_FILE(/etc/redhat-release,with_distro="redhat")
	AC_CHECK_FILE(/etc/oracle-release,with_distro="oracle")
	AC_CHECK_FILE(/etc/fedora-release,with_distro="fedora")
	AC_CHECK_FILE(/etc/SuSE-release,with_distro="suse")
	AC_CHECK_FILE(/etc/gentoo-release,with_distro="gentoo")
	AC_CHECK_FILE(/etc/debian_version,with_distro="debian")
	AC_CHECK_FILE(/etc/arch-release,with_distro="arch")
	AC_CHECK_FILE(/etc/slackware-version,with_distro="slackware")
	AC_CHECK_FILE(/etc/frugalware-release,with_distro="frugalware")
	AC_CHECK_FILE(/etc/mandrakelinux-release, with_distro="mandriva")
	AC_CHECK_FILE(/etc/mandriva-release,with_distro="mandriva")
	AC_CHECK_FILE(/etc/pardus-release,with_distro="pardus")
fi
with_distro=`echo ${with_distro} | tr '[[:upper:]]' '[[:lower:]]'`

if test "z$with_distro" = "z"; then
	with_distro="unknown"
fi
case $with_distro in
	ubuntu)
		conffile=lxc.conf.ubuntu
		;;
	redhat|fedora|oracle|oracleserver)
		conffile=lxc.conf.libvirt
		;;
	*)
		echo -n "Linux distribution network config unknown, defaulting to lxc.network.type = empty"
		conffile=lxc.conf.unknown
		;;
esac
AC_MSG_RESULT([$with_distro])

AM_CONDITIONAL([HAVE_DEBIAN], [test x"$with_distro" = "xdebian" -o x"$with_distro" = "xubuntu"])

AC_ARG_ENABLE([rpath],
	[AC_HELP_STRING([--disable-rpath], [do not set rpath in executables])],
	[], [enable_rpath=yes])

AM_CONDITIONAL([ENABLE_RPATH], [test "x$enable_rpath" = "xyes"])

AC_ARG_ENABLE([doc],
	[AC_HELP_STRING([--enable-doc], [make mans (require docbook2x-man installed) [default=auto]])],
	[], [enable_doc=auto])

if test "x$enable_doc" = "xyes" -o "x$enable_doc" = "xauto"; then
	db2xman=""

	AC_MSG_CHECKING(for docbook2x-man)
	for name in docbook2x-man db2x_docbook2man; do
		if "$name" --help >/dev/null 2>&1; then
			db2xman="$name"
			break;
		fi
	done

	if test -n "${db2xman}"; then
		AC_MSG_RESULT(${db2xman})
	else
		AC_MSG_RESULT(no)
		if test "x$enable_doc" = "xyes"; then
			AC_MSG_ERROR([docbook2x-man required by man request, but not found])
		fi
	fi

	AC_SUBST(db2xman)
fi

AC_ARG_ENABLE([apparmor],
	[AC_HELP_STRING([--enable-apparmor], [enable apparmor])],
	[], [enable_apparmor=check])

if test "$enable_apparmor" = "check" ; then
	AC_CHECK_LIB([apparmor],[aa_change_profile],[enable_apparmor=yes], [enable_apparmor=no])
fi

AM_CONDITIONAL([ENABLE_APPARMOR], [test "x$enable_apparmor" = "xyes"])

AM_COND_IF([ENABLE_APPARMOR],
    [AC_CHECK_HEADER([sys/apparmor.h],[],[AC_MSG_ERROR([You must install the AppArmor development package in order to compile lxc])])
     AC_CHECK_LIB([apparmor], [aa_change_profile],[],[AC_MSG_ERROR([You must install the AppArmor development package in order to compile lxc])])
     AC_SUBST([APPARMOR_LIBS], [-lapparmor])])

AC_ARG_ENABLE([seccomp],
	[AC_HELP_STRING([--enable-seccomp], [enable seccomp])],
	[], [enable_seccomp=check])

if test "$enable_seccomp" = "check" ; then
	AC_CHECK_LIB([seccomp],[seccomp_init],[enable_seccomp=yes],[enable_seccomp=no])
fi

AM_CONDITIONAL([ENABLE_SECCOMP], [test "x$enable_seccomp" = "xyes"])

AM_COND_IF([ENABLE_SECCOMP],
    [AC_CHECK_HEADER([seccomp.h],[],[AC_MSG_ERROR([You must install the seccomp development package in order to compile lxc])])
     AC_CHECK_LIB([seccomp], [seccomp_init],[],[AC_MSG_ERROR([You must install the seccomp development package in order to compile lxc])])
     AC_SUBST([SECCOMP_LIBS], [-lseccomp])])

AM_CONDITIONAL([ENABLE_DOCBOOK], [test "x$db2xman" != "x"])

AC_ARG_ENABLE([examples],
	[AC_HELP_STRING([--disable-examples], [do not install configuration examples])],
	[], [enable_examples=yes])

AM_CONDITIONAL([ENABLE_EXAMPLES], [test "x$enable_examples" = "xyes"])

AC_ARG_ENABLE([python],
	[AC_HELP_STRING([--enable-python], [enable python binding])],
	[enable_python=yes], [enable_python=no])

AM_CONDITIONAL([ENABLE_PYTHON], [test "x$enable_python" = "xyes"])

AM_COND_IF([ENABLE_PYTHON],
    [AM_PATH_PYTHON([3.2], [], [AC_MSG_ERROR([You must install python3])])
     AC_CHECK_HEADER([python$PYTHON_VERSION/Python.h],[],[AC_MSG_ERROR([You must install python3-dev])])
     AC_DEFINE_UNQUOTED([ENABLE_PYTHON], 1, [Python3 is available])])

AC_ARG_ENABLE([tests],
	[AC_HELP_STRING([--enable-tests], [build test/example binaries])],
	[enable_tests=yes], [enable_tests=no])

AM_CONDITIONAL([ENABLE_TESTS], [test "x$enable_tests" = "xyes"])

AS_AC_EXPAND(PREFIX, $prefix)
AS_AC_EXPAND(LIBDIR, $libdir)
AS_AC_EXPAND(BINDIR, $bindir)
AS_AC_EXPAND(LIBEXECDIR, $libexecdir)
AS_AC_EXPAND(INCLUDEDIR, $includedir)
AS_AC_EXPAND(SYSCONFDIR, $sysconfdir)
AS_AC_EXPAND(DATADIR, $datadir)
AS_AC_EXPAND(LOCALSTATEDIR, $localstatedir)
AS_AC_EXPAND(DOCDIR, $docdir)

AC_ARG_WITH([config-path],
	[AC_HELP_STRING(
		[--with-config-path=dir],
		[lxc configuration repository path]
	)], [], [with_config_path=['${localstatedir}/lib/lxc']])

AC_ARG_WITH([rootfs-path],
	[AC_HELP_STRING(
		[--with-rootfs-path=dir],
		[lxc rootfs mount point]
	)], [], [with_rootfs_path=['${libdir}/lxc/rootfs']])

AS_AC_EXPAND(LXC_CONFFILE, $conffile)
AS_AC_EXPAND(LXC_GENERATE_DATE, "$(date)")
AS_AC_EXPAND(LXCPATH, "${with_config_path}")
AS_AC_EXPAND(LXCROOTFSMOUNT, "${with_rootfs_path}")
AS_AC_EXPAND(LXCTEMPLATEDIR, ['${datadir}/lxc/templates'])

AS_AC_EXPAND(LXCINITDIR, ['${libexecdir}'])

AC_CHECK_HEADERS([linux/unistd.h linux/netlink.h linux/genetlink.h],
				  [],
				  AC_MSG_ERROR([Please install the Linux kernel headers.]),
				  [#include <sys/socket.h>
		 ])

AC_CHECK_HEADERS([sys/capability.h], [], AC_MSG_ERROR([Please install the libcap development files.]),
[#include <sys/types.h>
#include <sys/capability.h>])
AC_CHECK_LIB(cap,cap_set_proc,caplib=yes,caplib=no)
AC_MSG_CHECKING([linux capabilities])
if test "x$caplib" = "xyes" ; then
   CAP_LIBS="-lcap"
   AC_MSG_RESULT([$CAP_LIBS])
else
   AC_MSG_ERROR([not found])
fi
AC_SUBST([CAP_LIBS])

# Some systems lack PR_CAPBSET_DROP definition => HAVE_DECL_PR_CAPBSET_DROP
AC_CHECK_DECLS([PR_CAPBSET_DROP], [], [], [#include <sys/prctl.h>])

AC_CHECK_HEADERS([sys/signalfd.h])

AC_PROG_GCC_TRADITIONAL
AC_PROG_SED

if test "x$GCC" = "xyes"; then
  CFLAGS="$CFLAGS -Wall -Werror"
fi

AC_CONFIG_FILES([
	Makefile
	lxc.pc
	lxc.spec
	config/Makefile

	doc/Makefile
	doc/lxc-create.sgml
	doc/lxc-destroy.sgml
	doc/lxc-execute.sgml
	doc/lxc-start.sgml
	doc/lxc-checkpoint.sgml
	doc/lxc-restart.sgml
	doc/lxc-stop.sgml
	doc/lxc-console.sgml
	doc/lxc-freeze.sgml
	doc/lxc-unfreeze.sgml
	doc/lxc-monitor.sgml
	doc/lxc-wait.sgml
	doc/lxc-ls.sgml
	doc/lxc-ps.sgml
	doc/lxc-cgroup.sgml
	doc/lxc-kill.sgml
	doc/lxc-attach.sgml
	doc/lxc.conf.sgml
	doc/lxc.sgml
	doc/common_options.sgml
	doc/see_also.sgml
	doc/legacy/lxc-ls.sgml

	doc/rootfs/Makefile

	doc/examples/Makefile
	doc/examples/lxc-macvlan.conf
	doc/examples/lxc-vlan.conf
	doc/examples/lxc-no-netns.conf
	doc/examples/lxc-empty-netns.conf
	doc/examples/lxc-phys.conf
	doc/examples/lxc-veth.conf
	doc/examples/lxc-complex.conf

	templates/Makefile
	templates/lxc-lenny
	templates/lxc-debian
	templates/lxc-ubuntu-cloud
	templates/lxc-opensuse
	templates/lxc-busybox
	templates/lxc-fedora
	templates/lxc-oracle
	templates/lxc-altlinux
	templates/lxc-sshd
	templates/lxc-archlinux

	src/Makefile
	src/lxc/Makefile
	src/lxc/lxc-ps
	src/lxc/lxc-netstat
	src/lxc/lxc-checkconfig
	src/lxc/lxc-setcap
	src/lxc/lxc-setuid
	src/lxc/lxc-version
	src/lxc/lxc-create
	src/lxc/lxc-clone
	src/lxc/lxc-shutdown
	src/lxc/lxc-start-ephemeral
	src/lxc/lxc-destroy
	src/lxc/legacy/lxc-ls

	src/python-lxc/Makefile

	src/tests/Makefile

])
AC_CONFIG_COMMANDS([default],[[]],[[]])
AC_OUTPUT

if test "x$SETCAP" = "xno"; then
   AC_MSG_NOTICE([

Warning:
--------

The setcap binary was not found. This means the tools to set the
privilege for the lxc commands are not available, that's ok, but you
will need to run these commands as root or install libcap-2.

])

else

   AC_MSG_NOTICE([

Advice:
-------

If you wish to have a non root user to use the lxc tools,
you can add the needed capabilities to the tools by invoking
the 'lxc-setcap' script. To remove the capabilities, use
'lxc-setcap -d'.
])

fi