diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 583 |
1 files changed, 583 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..df4bae3 --- /dev/null +++ b/configure.ac @@ -0,0 +1,583 @@ +AC_INIT([DHCP], [4.2.2], [dhcp-users@isc.org]) + +# we specify "foreign" to avoid having to have the GNU mandated files, +# like AUTHORS, COPYING, and such +AM_INIT_AUTOMAKE([foreign]) + +# We want to turn on warnings if we are using gcc and the user did +# not specify CFLAGS. The autoconf check for the C compiler sets the +# CFLAGS if gcc is used, so we will save it before we run that check. +SAVE_CFLAGS="$CFLAGS" + +# Now find our C compiler. +AC_PROG_CC + +# Suppress warnings about --datarootdir +AC_DEFUN([AC_DATAROOTDIR_CHECKED]) + +# If we have gcc, and AC_PROG_CC changed the flags, then we know the +# user did not specify any flags. Add warnings in this case. +if test "$GCC" = "yes"; then + if test "$CFLAGS" != "$SAVE_CFLAGS"; then + STD_CWARNINGS="$STD_CWARNINGS -Wall -Werror -fno-strict-aliasing" + fi +fi + +# POSIX doesn't include the IPv6 Advanced Socket API and glibc hides +# parts of the IPv6 Advanced Socket API as a result. This is stupid +# as it breaks how the two halves (Basic and Advanced) of the IPv6 +# Socket API were designed to be used but we have to live with it. +# Use this to define _GNU_SOURCE to pull in the IPv6 Advanced Socket API. +AC_USE_SYSTEM_EXTENSIONS + +AC_PROG_RANLIB +AC_CONFIG_HEADERS([includes/config.h]) + +# we sometimes need to know byte order for building packets +AC_C_BIGENDIAN(AC_SUBST(byte_order, BIG_ENDIAN), + AC_SUBST(byte_order, LITTLE_ENDIAN)) +AC_DEFINE_UNQUOTED([DHCP_BYTE_ORDER], [$byte_order], + [Define to BIG_ENDIAN for MSB (Motorola or SPARC CPUs) + or LITTLE_ENDIAN for LSB (Intel CPUs).]) + +# Optional compile-time DEBUGging. +AC_ARG_ENABLE(debug, + AC_HELP_STRING([--enable-debug], + [create a debug-only version of the software (default is no).])) +# This is very much off by default. +if test "$enable_debug" = "yes" ; then + AC_DEFINE([DEBUG], [1], + [Define to compile debug-only DHCP software.]) + # Just override CFLAGS to totally to remove optimization. + CFLAGS="-g" +fi +# XXX: there are actually quite a lot more DEBUG_ features we could enable, +# but I don't want to pollute the --help space. +# +#/* #define DEBUG_TOKENS */ +#/* #define DEBUG_PACKET */ +#/* #define DEBUG_EXPRESSIONS */ +#/* #define DEBUG_FIND_LEASE */ +#/* #define DEBUG_EXPRESSION_PARSE */ +#/* #define DEBUG_CLASS_MATCHING */ +#/* #define DEBUG_MEMORY_LEAKAGE */ +#/* #define DEBUG_MALLOC_POOL */ +#/* #define DEBUG_LEASE_STATE_TRANSITIONS */ +#/* #define DEBUG_RC_HISTORY */ +#/* #define DEBUG_RC_HISTORY_EXHAUSTIVELY */ +#/* #define RC_HISTORY_MAX 10240 */ +#/* #define POINTER_DEBUG */ +#/* #define DEBUG_FAILOVER_MESSAGES */ +#/* #define DEBUG_FAILOVER_TIMING */ +#/* #define DEBUG_DUMP_ALL_LEASES */ + +# Failover optional compile-time feature. +AC_ARG_ENABLE(failover, + AC_HELP_STRING([--enable-failover], + [enable support for failover (default is yes)])) +# Failover is on by default, so define if it is not explicitly disabled. +if test "$enable_failover" != "no"; then + AC_DEFINE([FAILOVER_PROTOCOL], [1], + [Define to include Failover Protocol support.]) +fi + +# execute() support. +AC_ARG_ENABLE(execute, + AC_HELP_STRING([--enable-execute], + [enable support for execute() in config (default is yes)])) +# execute() is on by default, so define if it is not explicitly disabled. +if test "$enable_execute" != "no" ; then + AC_DEFINE([ENABLE_EXECUTE], [1], + [Define to include execute() config language support.]) +fi + +# Server tracing support. +AC_ARG_ENABLE(tracing, + AC_HELP_STRING([--enable-tracing], + [enable support for server activity tracing (default is yes)])) +# tracing is on by default, so define if it is not explicitly disabled. +if test "$enable_tracing" != "no" ; then + AC_DEFINE([TRACING], [1], + [Define to include server activity tracing support.]) +fi + +# Delayed-ack feature support (experimental). +AC_ARG_ENABLE(delayed_ack, + AC_HELP_STRING([--enable-delayed-ack], + [queues multiple DHCPACK replies (default is no)])) +if test "$enable_delayed_ack" = "yes"; then + AC_DEFINE([DELAYED_ACK], [1], + [Define to queue multiple DHCPACK replies per fsync.]) +fi + +# DHCPv6 optional compile-time feature. +AC_ARG_ENABLE(dhcpv6, + AC_HELP_STRING([--enable-dhcpv6], + [enable support for DHCPv6 (default is yes)])) +# DHCPv6 is on by default, so define if it is not explicitly disabled. +if test "$enable_dhcpv6" != "no"; then + AC_DEFINE([DHCPv6], [1], + [Define to 1 to include DHCPv6 support.]) +fi + +# PARANOIA is off by default (until we can test it with all features) +AC_ARG_ENABLE(paranoia, + AC_HELP_STRING([--enable-paranoia], + [enable support for chroot/setuid (default is no)])) +AC_ARG_ENABLE(early_chroot, + AC_HELP_STRING([--enable-early-chroot], + [enable chrooting prior to configuration (default is no)])) +# If someone enables early chroot, but does not enable paranoia, do so for +# them. +if test "$enable_paranoia" != "yes" && \ + test "$enable_early_chroot" = "yes" ; then + enable_paranoia="yes" +fi + +if test "$enable_paranoia" = "yes" ; then + AC_DEFINE([PARANOIA], [1], + [Define to any value to include Ari's PARANOIA patch.]) +fi +if test "$enable_early_chroot" = "yes" ; then + AC_DEFINE([EARLY_CHROOT], [1], + [Define to any value to chroot() prior to loading config.]) +fi + +AC_ARG_ENABLE(IPv4_PKTINFO, + AC_HELP_STRING([--enable-ipv4-pktinfo], + [enable use of pktinfo on IPv4 sockets (default is no)])) + +if test "$enable_ipv4_pktinfo" = "yes"; then + AC_DEFINE([USE_V4_PKTINFO], [1], + [Define to 1 to enable IPv4 packet info support.]) +fi + +AC_ARG_ENABLE(USE_SOCKETS, + AC_HELP_STRING([--enable-use-sockets], + [use the standard BSD socket API (default is no)])) + +if test "$enable_use_sockets" = "yes"; then + AC_DEFINE([USE_SOCKETS], [1], + [Define to 1 to use the standard BSD socket API.]) +fi + +### +### Path fun. Older versions of DHCP were installed in /usr/sbin, so we +### need to look there and potentially overwrite by default (but not if +### the user configures an alternate value). LOCALSTATEDIR is totally +### braindead. No one uses /usr/local/var/db/ nor /usr/local/var/run, and +### they would be insane for suggesting it. We need to look in /var/for +### 'db' and 'state/dhcp' for db files, and /var/run for pid files by +### default. +### +AC_PREFIX_PROGRAM(dhcpd) + +# XXX - isn't there SOME WAY to default autoconf to /var instead of +# /usr/local/var/no/one/has/this/please/stop/trying? +case "$localstatedir" in + '${prefix}/var') + localstatedir=/var + ;; +esac + +# Allow specification of alternate state files +AC_ARG_WITH(srv-lease-file, + AC_HELP_STRING([--with-srv-lease-file=PATH], + [File for dhcpd leases + (default is LOCALSTATEDIR/db/dhcpd.leases)]), + AC_DEFINE_UNQUOTED([_PATH_DHCPD_DB], ["$withval"], + [File for dhcpd leases.])) + +echo -n "checking for dhcpd.leases location..." +if [[ "x$with_srv_lease_file" = "x" ]] ; then + if [[ -d "${localstatedir}/db" ]] ; then + with_srv_lease_file="${localstatedir}/db/dhcpd.leases" + elif [[ -d "${localstatedir}/state" ]] ; then + if [[ -d "${localstatedir}/state/dhcp" ]] ; then + with_srv_lease_file="${localstatedir}/state/dhcp/dhcpd.leases" + else + with_srv_lease_file="${localstatedir}/state/dhcpd.leases" + fi + elif [[ -d "${localstatedir}/lib" ]] ; then + if [[ -d "${localstatedir}/lib/dhcp" ]] ; then + with_srv_lease_file="${localstatedir}/lib/dhcp/dhcpd.leases" + else + with_srv_lease_file="${localstatedir}/lib/dhcpd.leases" + fi + elif [[ -d "${localstatedir}/etc" ]] ; then + with_srv_lease_file="${localstatedir}/etc/dhcpd.leases" + else + with_srv_lease_file="/etc/dhcpd.leases" + fi +fi +echo "$with_srv_lease_file" + +AC_ARG_WITH(srv6-lease-file, + AC_HELP_STRING([--with-srv6-lease-file=PATH], + [File for dhcpd6 leases + (default is LOCALSTATEDIR/db/dhcpd6.leases)]), + AC_DEFINE_UNQUOTED([_PATH_DHCPD6_DB], ["$withval"], + [File for dhcpd6 leases.])) + +echo -n "checking for dhcpd6.leases location..." +if [[ "x$with_srv6_lease_file" = "x" ]] ; then + if [[ -d "${localstatedir}/db" ]] ; then + with_srv6_lease_file="${localstatedir}/db/dhcpd6.leases" + elif [[ -d "${localstatedir}/state" ]] ; then + if [[ -d "${localstatedir}/state/dhcp" ]] ; then + with_srv6_lease_file="${localstatedir}/state/dhcp/dhcpd6.leases" + else + with_srv6_lease_file="${localstatedir}/state/dhcpd6.leases" + fi + elif [[ -d "${localstatedir}/lib" ]] ; then + if [[ -d "${localstatedir}/lib/dhcp" ]] ; then + with_srv6_lease_file="${localstatedir}/lib/dhcp/dhcpd6.leases" + else + with_srv6_lease_file="${localstatedir}/lib/dhcpd6.leases" + fi + elif [[ -d "${localstatedir}/etc" ]] ; then + with_srv6_lease_file="${localstatedir}/etc/dhcpd6.leases" + else + with_srv6_lease_file="/etc/dhcpd6.leases" + fi +fi +echo "$with_srv6_lease_file" + +AC_ARG_WITH(cli-lease-file, + AC_HELP_STRING([--with-cli-lease-file=PATH], + [File for dhclient leases + (default is LOCALSTATEDIR/db/dhclient.leases)]), + AC_DEFINE_UNQUOTED([_PATH_DHCLIENT_DB], ["$withval"], + [File for dhclient leases.])) + +echo -n "checking for dhclient.leases location..." +if [[ "x$with_cli_lease_file" = "x" ]] ; then + if [[ -d "${localstatedir}/db" ]] ; then + with_cli_lease_file="${localstatedir}/db/dhclient.leases" + elif [[ -d "${localstatedir}/state" ]] ; then + if [[ -d "${localstatedir}/state/dhcp" ]] ; then + with_cli_lease_file="${localstatedir}/state/dhcp/dhclient.leases" + else + with_cli_lease_file="${localstatedir}/state/dhclient.leases" + fi + elif [[ -d "${localstatedir}/lib" ]] ; then + if [[ -d "${localstatedir}/lib/dhcp" ]] ; then + with_cli_lease_file="${localstatedir}/lib/dhcp/dhclient.leases" + else + with_cli_lease_file="${localstatedir}/lib/dhclient.leases" + fi + elif [[ -d "${localstatedir}/etc" ]] ; then + with_cli_lease_file="${localstatedir}/etc/dhclient.leases" + else + with_cli_lease_file="/etc/dhclient.leases" + fi +fi +echo "$with_cli_lease_file" + +AC_ARG_WITH(cli6-lease-file, + AC_HELP_STRING([--with-cli6-lease-file=PATH], + [File for dhclient6 leases + (default is LOCALSTATEDIR/db/dhclient6.leases)]), + AC_DEFINE_UNQUOTED([_PATH_DHCLIENT6_DB], ["$withval"], + [File for dhclient6 leases.])) + +echo -n "checking for dhclient6.leases location..." +if [[ "x$with_cli6_lease_file" = "x" ]] ; then + if [[ -d "${localstatedir}/db" ]] ; then + with_cli6_lease_file="${localstatedir}/db/dhclient6.leases" + elif [[ -d "${localstatedir}/state" ]] ; then + if [[ -d "${localstatedir}/state/dhcp" ]] ; then + with_cli6_lease_file="${localstatedir}/state/dhcp/dhclient6.leases" + else + with_cli6_lease_file="${localstatedir}/state/dhclient6.leases" + fi + elif [[ -d "${localstatedir}/lib" ]] ; then + if [[ -d "${localstatedir}/lib/dhcp" ]] ; then + with_cli6_lease_file="${localstatedir}/lib/dhcp/dhclient6.leases" + else + with_cli6_lease_file="${localstatedir}/lib/dhclient6.leases" + fi + elif [[ -d "${localstatedir}/etc" ]] ; then + with_cli6_lease_file="${localstatedir}/etc/dhclient6.leases" + else + with_cli6_lease_file="/etc/dhclient6.leases" + fi +fi +echo "$with_cli6_lease_file" + +AC_ARG_WITH(srv-pid-file, + AC_HELP_STRING([--with-srv-pid-file=PATH], + [File for dhcpd process information + (default is LOCALSTATEDIR/run/dhcpd.pid)]), + AC_DEFINE_UNQUOTED([_PATH_DHCPD_PID], ["$withval"], + [File for dhcpd process information.])) +AC_ARG_WITH(srv6-pid-file, + AC_HELP_STRING([--with-srv6-pid-file=PATH], + [File for dhcpd6 process information + (default is LOCALSTATEDIR/run/dhcpd6.pid)]), + AC_DEFINE_UNQUOTED([_PATH_DHCPD6_PID], ["$withval"], + [File for dhcpd6 process information.])) +AC_ARG_WITH(cli-pid-file, + AC_HELP_STRING([--with-cli-pid-file=PATH], + [File for dhclient process information + (default is LOCALSTATEDIR/run/dhclient.pid)]), + AC_DEFINE_UNQUOTED([_PATH_DHCLIENT_PID], ["$withval"], + [File for dhclient process information.])) +AC_ARG_WITH(cli6-pid-file, + AC_HELP_STRING([--with-cli6-pid-file=PATH], + [File for dhclient6 process information + (default is LOCALSTATEDIR/run/dhclient6.pid)]), + AC_DEFINE_UNQUOTED([_PATH_DHCLIENT6_PID], ["$withval"], + [File for dhclient6 process information.])) +AC_ARG_WITH(relay-pid-file, + AC_HELP_STRING([--with-relay-pid-file=PATH], + [File for dhcrelay process information + (default is LOCALSTATEDIR/run/dhcrelay.pid)]), + AC_DEFINE_UNQUOTED([_PATH_DHCRELAY_PID], ["$withval"], + [File for dhcrelay process information.])) +AC_ARG_WITH(relay6-pid-file, + AC_HELP_STRING([--with-relay6-pid-file=PATH], + [File for dhcrelay6 process information + (default is LOCALSTATEDIR/run/dhcrelay6.pid)]), + AC_DEFINE_UNQUOTED([_PATH_DHCRELAY6_PID], ["$withval"], + [File for dhcrelay6 process information.])) + +# Check basic types. +AC_TYPE_INT8_T +AC_TYPE_INT16_T +AC_TYPE_INT32_T +AC_TYPE_INT64_T + +# Some systems need the u_intX_t types defined across. +AC_CHECK_TYPE([u_int8_t], [], [ + AC_TYPE_UINT8_T + AC_DEFINE(u_int8_t, [uint8_t], [Define a type for 8-bit unsigned + integers.]) +]) +AC_CHECK_TYPE([u_int16_t], [], [ + AC_TYPE_UINT16_T + AC_DEFINE(u_int16_t, [uint16_t], [Define a type for 16-bit unsigned + integers.]) +]) +AC_CHECK_TYPE([u_int32_t], [], [ + AC_TYPE_UINT32_T + AC_DEFINE(u_int32_t, [uint32_t], [Define a type for 32-bit unsigned + integers.]) +]) +AC_CHECK_TYPE([u_int64_t], [], [ + AC_TYPE_UINT64_T + AC_DEFINE(u_int64_t, [uint64_t], [Define a type for 64-bit unsigned + integers.]) +]) + +# see if ifaddrs.h is available +AC_CHECK_HEADERS(ifaddrs.h) + +# figure out what IPv4 interface code to use +AC_CHECK_HEADERS(linux/types.h) # needed for linux/filter.h on old systems + +AC_CHECK_HEADER(linux/filter.h, DO_LPF=1, , +[ +#ifdef HAVE_LINUX_TYPES_H +#include <linux/types.h> +#endif +]) +if test -n "$DO_LPF" +then + AC_DEFINE([HAVE_LPF], [1], + [Define to 1 to use the Linux Packet Filter interface code.]) +else + AC_CHECK_HEADER(sys/dlpi.h, DO_DLPI=1) + if test -n "$DO_DLPI" + then + AC_DEFINE([HAVE_DLPI], [1], + [Define to 1 to use DLPI interface code.]) + else + AC_CHECK_HEADER(net/bpf.h, DO_BPF=1) + if test -n "$DO_BPF" + then + AC_DEFINE([HAVE_BPF], [""], + [Define to 1 to use the + Berkeley Packet Filter interface code.]) + fi + fi +fi + +# SIOCGLIFCONF uses some transport structures. Trick is not all platforms +# use the same structures. We like to use 'struct lifconf' and 'struct +# lifreq', but we'll use these other structures if they're present. HPUX +# does not define 'struct lifnum', but does use SIOCGLIFNUM - they use an +# int value. +# +AC_MSG_CHECKING([for struct lifnum]) +AC_TRY_COMPILE( +[ #include <sys/types.h> + #include <sys/socket.h> + #include <net/if.h> +], +[ struct lifnum a; +], + [AC_MSG_RESULT(yes) + AC_DEFINE([ISC_PLATFORM_HAVELIFNUM], [1], + [Define to 1 if the system has 'struct lifnum'.])], + [AC_MSG_RESULT(no)]) + +AC_MSG_CHECKING([for struct if_laddrconf]) +AC_TRY_COMPILE( +[ #include <sys/types.h> + #include <net/if6.h> +], +[ struct if_laddrconf a; +], + [AC_MSG_RESULT(yes) + AC_DEFINE([ISC_PLATFORM_HAVEIF_LADDRCONF], [1], + [Define to 1 if the system has 'struct if_laddrconf'.])], + [AC_MSG_RESULT(no)]) + +AC_MSG_CHECKING([for struct if_laddrreq]) +AC_TRY_LINK( +[#include <sys/types.h> + #include <net/if6.h> +], +[ struct if_laddrreq a; +], + [AC_MSG_RESULT(yes) + AC_DEFINE([ISC_PLATFORM_HAVEIF_LADDRREQ], [1], + [Define to 1 if the system has 'struct if_laddrreq'.])], + [AC_MSG_RESULT(no)]) + +# Look for optional headers. +AC_CHECK_HEADERS(sys/socket.h net/if_dl.h net/if6.h regex.h) + +# Solaris needs some libraries for functions +AC_SEARCH_LIBS(socket, [socket]) +AC_SEARCH_LIBS(inet_ntoa, [nsl]) + +AC_SEARCH_LIBS(inet_aton, [socket nsl], , + AC_DEFINE([NEED_INET_ATON], [1], + [Define to 1 if the inet_aton() function is missing.])) + +# Check for a standalone regex library. +AC_SEARCH_LIBS(regcomp, [regex]) + +# For HP/UX we need -lipv6 for if_nametoindex, perhaps others. +AC_SEARCH_LIBS(if_nametoindex, [ipv6]) + +# check for /dev/random (declares HAVE_DEV_RANDOM) +AC_CHECK_FILE(/dev/random, + AC_DEFINE([HAVE_DEV_RANDOM], [1], + [Define to 1 if you have the /dev/random file.])) + +# see if there is a "sa_len" field in our interface information structure +AC_CHECK_MEMBER(struct sockaddr.sa_len, + AC_DEFINE([HAVE_SA_LEN], [], + [Define to 1 if the sockaddr structure has a length field.]), + , + [#include <sys/socket.h>]) + +# figure out pointer size +AC_CHECK_SIZEOF(struct iaddr *, , [ +#include "includes/inet.h" +#include <stdio.h> +]) + +# Solaris does not have the msg_control or msg_controlen members in +# in the msghdr structure unless you define: +# +# _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, and __EXTENSIONS__ +# +# See the "standards" man page for details. +# +# We check for the msg_control member, and if it is not found, we check +# again with the appropriate defines added to the CFLAGS. (In order to +# do this we have to remove the check from the cache, which is what the +# "unset" is for.) +AC_CHECK_MEMBER(struct msghdr.msg_control,, + [CFLAGS="$CFLAGS -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1" + CFLAGS="$CFLAGS -D__EXTENSIONS__" + unset ac_cv_member_struct_msghdr_msg_control + AC_CHECK_MEMBER(struct msghdr.msg_control,, + [AC_MSG_ERROR([Missing msg_control member in + msg_control structure.])], + [ +#include <sys/types.h> +#include <sys/socket.h> + ]) + ], + [ +#include <sys/types.h> +#include <sys/socket.h> + ]) + +libbind= +AC_ARG_WITH(libbind, + AC_HELP_STRING([--with-libbind=PATH], + [bind includes and libraries are in PATH + (default is ./bind)]), + use_libbind="$withval", use_libbind="no") +case "$use_libbind" in +yes) + libbind="\${top_srcdir}/bind" + ;; +no) + libbind="\${top_srcdir}/bind" + ;; +*) + libbind="$use_libbind" + ;; +esac + +# OpenLDAP support. +AC_ARG_WITH(ldap, + AC_HELP_STRING([--with-ldap], + [enable OpenLDAP support in dhcpd (default is no)]), + [ldap=$withval], + [ldap=no]) + +# OpenLDAP with SSL support. +AC_ARG_WITH(ldapcrypto, + AC_HELP_STRING([--with-ldapcrypto], + [enable OpenLDAP crypto support in dhcpd (default is no)]), + [ldapcrypto=$withval], + [ldapcrypto=no]) + +# OpenLDAP support is disabled by default, if enabled then SSL support is an +# extra optional that is also disabled by default. Enabling LDAP SSL support +# implies enabling LDAP support. +if test x$ldap = xyes || test x$ldapcrypto = xyes ; then + AC_SEARCH_LIBS(ldap_initialize, [ldap], , + AC_MSG_FAILURE([*** Cannot find ldap_initialize with -lldap - do you need to install an OpenLDAP2 Devel package?])) + AC_SEARCH_LIBS(ber_pvt_opt_on, [lber], , + AC_MSG_FAILURE([*** Cannot find ber_pvt_opt_on with -llber - do you need to install an OpenLDAP2 Devel package?])) + + if test x$ldapcrypto = xyes ; then + AC_SUBST(LDAP_CFLAGS, ["-DLDAP_CONFIGURATION -DLDAP_USE_SSL"]) + else + AC_SUBST(LDAP_CFLAGS, ["-DLDAP_CONFIGURATION"]) + fi +fi + +# Append selected warning levels to CFLAGS before substitution (but after +# AC_TRY_COMPILE & etc). +CFLAGS="$CFLAGS $STD_CWARNINGS" + +# Try to add the bind include directory +CFLAGS="$CFLAGS -I$libbind/include" + +AC_C_FLEXIBLE_ARRAY_MEMBER + +AC_OUTPUT([ + Makefile + client/Makefile + common/Makefile + common/tests/Makefile + dhcpctl/Makefile + dst/Makefile + includes/Makefile + omapip/Makefile + relay/Makefile + server/Makefile + tests/Makefile +]) + +sh util/bindvar.sh |