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dnl Process this file with autoconf to produce a configure script.
AC_INIT(pppoe.c)
AC_CONFIG_HEADER(config.h)
AC_PREFIX_DEFAULT(/usr)
dnl Checks for programs.
AC_PROG_CC
dnl Checks for libraries.
dnl Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h sys/ioctl.h sys/time.h syslog.h unistd.h net/if_arp.h netinet/if_ether.h getopt.h sys/uio.h sys/param.h fcntl.h net/bpf.h netpacket/packet.h net/ethernet.h asm/types.h linux/if_packet.h linux/if_ether.h linux/if_pppox.h sys/socket.h sys/cdefs.h linux/if.h net/if.h net/if_dl.h net/if_ether.h net/if_types.h netinet/if_ether.h net/if_types.h net/if_dl.h sys/dlpi.h )
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_PID_T
AC_HEADER_TIME
AC_STRUCT_TM
dnl Check for an echo which supports -n -- another hack for Solaris
AC_PATH_PROG(ECHO, echo, "", /usr/ucb/bin:$PATH)
dnl Check for sockaddr_ll
$ECHO -n "checking for struct sockaddr_ll... "
AC_TRY_COMPILE([#include <asm/types.h>
#include <linux/if_packet.h>
#include <linux/if_ether.h>
], [struct sockaddr_ll sa;],
ac_cv_struct_sockaddr_ll=yes, ac_cv_struct_sockaddr_ll=no)
$ECHO $ac_cv_struct_sockaddr_ll
if test "$ac_cv_struct_sockaddr_ll" = yes ; then
AC_DEFINE(HAVE_STRUCT_SOCKADDR_LL)
fi
dnl Check for N_HDLC line discipline
$ECHO -n "checking for N_HDLC line discipline... "
AC_TRY_COMPILE([#include <linux/termios.h>],
[int x = N_HDLC;],
ac_cv_n_hdlc=yes, ac_cv_n_hdlc=no)
$ECHO $ac_cv_n_hdlc
if test "$ac_cv_n_hdlc" = yes ; then
AC_DEFINE(HAVE_N_HDLC)
fi
AC_ARG_ENABLE(plugin, [ --enable-plugin=pppd_src_path build pppd plugin], ac_cv_pluginpath=$enableval, ac_cv_pluginpath=no)
dnl Determine whether or not to build Linux pppd plugin
LINUX_KERNELMODE_PLUGIN=""
PPPD_INCDIR=""
if test "$ac_cv_header_linux_if_pppox_h" = yes ; then
if test "$ac_cv_pluginpath" != no ; then
LINUX_KERNELMODE_PLUGIN=rp-pppoe.so
PPPD_INCDIR=$ac_cv_pluginpath
fi
fi
AC_SUBST(LINUX_KERNELMODE_PLUGIN)
AC_SUBST(PPPD_INCDIR)
dnl Determine whether or not to build PPPoE relay
PPPOE_RELAY=""
if test "`uname -s`" = "Linux" ; then
PPPOE_RELAY=pppoe-relay
fi
AC_SUBST(PPPOE_RELAY)
dnl Checks for library functions.
AC_FUNC_MEMCMP
AC_FUNC_SETVBUF_REVERSED
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(select socket strerror strtol)
AC_PROG_INSTALL
dnl Integer sizes
AC_CHECK_SIZEOF(unsigned short)
AC_CHECK_SIZEOF(unsigned int)
AC_CHECK_SIZEOF(unsigned long)
dnl Check for location of pppd
AC_PATH_PROG(PPPD, pppd, NOTFOUND, $PATH:/sbin:/usr/sbin:/usr/local/sbin)
dnl Check for setsid (probably Linux-specific)
AC_PATH_PROG(SETSID, setsid, "", $PATH:/sbin:/usr/sbin:/usr/local/sbin)
dnl Check for an "id" which accepts "-u" option -- hack for Solaris.
AC_PATH_PROG(ID, id, "", /usr/xpg4/bin:$PATH)
dnl Check for Linux-specific kernel support for PPPoE
$ECHO -n "checking for Linux 2.4.X kernel-mode PPPoE support..."
if test "`uname -s`" = "Linux" ; then
AC_TRY_RUN([#include <sys/socket.h>
#include <net/ethernet.h>
#include <linux/if.h>
#include <linux/if_pppox.h>
int main()
{
if (socket(AF_PPPOX, SOCK_DGRAM, PX_PROTO_OE) >= 0) return 0; else return 1;
}
], ac_cv_linux_kernel_pppoe=yes, ac_cv_linux_kernel_pppoe=no)
else
ac_cv_linux_kernel_pppoe=no
fi
$ECHO $ac_cv_linux_kernel_pppoe
if test "$ac_cv_linux_kernel_pppoe" = yes ; then
AC_DEFINE(HAVE_LINUX_KERNEL_PPPOE)
fi
dnl GCC warning level
if test "$GCC" = yes; then
CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
fi
dnl If we couldn't find pppd, die
if test "$PPPD" = "NOTFOUND"; then
$ECHO ""
$ECHO "*** Oops! I couldn't find pppd, the PPP daemon anywhere."
$ECHO "*** You must install pppd, version 2.3.10 or later."
$ECHO "*** I will keep going, but it may not work."
$ECHO ""
fi
dnl Figure out pppd version. 2.3.7 to 2.3.9 -- issue warning. Less than
dnl 2.3.7 -- stop
PPPD_VERSION=`$PPPD --version 2>&1 | awk '{print $NF}'`
case "$PPPD_VERSION" in
1.*|2.0.*|2.1.*|2.2.*|2.3.0|2.3.1|2.3.2|2.3.3|2.3.4|2.3.5|2.3.6)
$ECHO ""
$ECHO "*** Oops! Your version of pppd is $PPPD_VERSION, which is too old."
$ECHO "*** You need at least 2.3.7 (2.3.10 or newer recommended.)"
$ECHO "*** I will keep going, but it may not work."
$ECHO ""
;;
2.3.7|2.3.8|2.3.9)
$ECHO ""
$ECHO "*** Warning. Your version of pppd is $PPPD_VERSION. You will"
$ECHO "*** not be able to use connect-on-demand. Upgrade to pppd"
$ECHO "*** 2.3.10 or newer if you need connect-on-demand."
$ECHO ""
;;
2*|3*|4*|5*|6*|7*|8*|9*)
;;
*)
$ECHO ""
$ECHO "*** Oops. I cannot figure out what version of pppd you have."
$ECHO "*** All I got back was '$PPPD_VERSION'"
$ECHO "*** I will keep going, but it may not work."
$ECHO ""
;;
esac
dnl Figure out packing order of structures
$ECHO -n "checking packing order of bit fields... "
AC_TRY_RUN([
union foo {
struct bar {
unsigned int ver:4;
unsigned int type:4;
} bb;
unsigned char baz;
};
int
main(void)
{
union foo x;
x.bb.ver = 1;
x.bb.type = 2;
if (x.baz == 0x21) {
return 1;
} else if (x.baz == 0x12) {
return 0;
} else {
return 2;
}
}], PACK=normal, PACK=rev)
if test "$PACK" = "rev" ; then
$ECHO "reversed"
AC_DEFINE(PACK_BITFIELDS_REVERSED)
else
$ECHO "normal"
fi
# Sigh... got to fix this up for tcl
test "x$prefix" = xNONE && prefix=$ac_default_prefix
# Let make expand exec_prefix.
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
# Fully resolve WRAPPER for Tcl script.
WRAPPER=${sbindir}/pppoe-wrapper
eval "WRAPPER=${WRAPPER}"
eval "WRAPPER=${WRAPPER}"
AC_SUBST(WRAPPER)
# Determine what targets to build
TARGETS="pppoe pppoe-server"
# pppoe-sniff is built only on Linux and Solaris
if test "$ac_cv_header_linux_if_packet_h" = "yes" -o "$ac_cv_header_sys_dlpi_h" = "yes" ; then
TARGETS="$TARGETS pppoe-sniff"
fi
# pppoe-relay is built only on Linux
if test "$ac_cv_header_linux_if_packet_h" = "yes" ; then
TARGETS="$TARGETS pppoe-relay"
fi
# plugin is built only if we have kernel support
if test -n "$LINUX_KERNELMODE_PLUGIN" ; then
TARGETS="$TARGETS $LINUX_KERNELMODE_PLUGIN"
fi
AC_SUBST(TARGETS)
AC_OUTPUT(Makefile ../scripts/adsl-connect ../scripts/adsl-start ../scripts/adsl-stop ../scripts/adsl-init ../scripts/adsl-init-suse ../scripts/adsl-init-turbolinux ../scripts/adsl-setup ../gui/Makefile ../gui/tkpppoe)
$ECHO ""
$ECHO "On this platform, the following targets will be built:"
$ECHO " $TARGETS"
$ECHO ""
$ECHO "Type 'make' to compile the software."
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