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configure.ac
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configure.ac
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dnl
dnl Some global settings
dnl
sinclude(acx_nlnetlabs.m4)
sinclude(dnstap/dnstap.m4)
AC_INIT([NSD],[4.8.1],[https://github.com/NLnetLabs/nsd/issues or [email protected]])
AC_CONFIG_HEADERS([config.h])
#
# Setup the standard programs
# https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Setting-Output-Variables.html
AC_ARG_VAR(SED, [location of the sed program])
AC_ARG_VAR(AWK, [location of the awk program])
AC_ARG_VAR(GREP, [location of the grep program])
AC_ARG_VAR(EGREP, [location of the egrep program])
AC_ARG_VAR(LEX, [location of the lex program with GNU extensions (flex)])
AC_ARG_VAR(YACC, [location of the yacc program with GNU extensions (bison)])
cmdln="`echo $@ | sed -e 's/\\\\/\\\\\\\\/g' | sed -e 's/"/\\\\"/'g`"
AC_DEFINE_UNQUOTED(CONFCMDLINE, ["$cmdln"], [Command line arguments used with configure])
CFLAGS="$CFLAGS"
AC_USE_SYSTEM_EXTENSIONS
if test "$ac_cv_header_minix_config_h" = "yes"; then
AC_DEFINE(_NETBSD_SOURCE,1, [Enable for compile on Minix])
fi
dnl
dnl By default set $sysconfdir to /etc and $localstatedir to /var
dnl
case "$prefix" in
NONE)
case "$sysconfdir" in
'${prefix}/etc')
sysconfdir=/etc
;;
esac
case "$localstatedir" in
'${prefix}/var')
localstatedir=/var
;;
esac
;;
esac
#
# Determine configuration directory
#
configdir=$sysconfdir/nsd
AC_ARG_WITH([configdir],
AS_HELP_STRING([--with-configdir=dir],[NSD configuration directory]),
[configdir=$withval])
AC_DEFINE_UNQUOTED(CONFIGDIR, ["`eval echo $configdir`"], [NSD config dir])
AC_SUBST(configdir)
#
# Determine configuration file
nsd_conf_file=${configdir}/nsd.conf
AC_ARG_WITH([nsd_conf_file],
AS_HELP_STRING([--with-nsd_conf_file=path],[Pathname to the NSD configuration file]),
[nsd_conf_file=$withval])
AC_SUBST(nsd_conf_file)
# the eval is to evaluate shell expansion twice, once
# for $nsd_conf_file and once for the ${prefix} within it.
AC_DEFINE_UNQUOTED(CONFIGFILE, ["`eval echo $nsd_conf_file`"], [Pathname to the NSD configuration file])
#
# Default logfile
#
logfile=${localstatedir}/log/nsd.log
AC_ARG_WITH([logfile],
AS_HELP_STRING([--with-logfile=path],[Pathname to the default log file]),
[logfile=$withval])
AC_SUBST(logfile)
#
# Database directory
#
dbdir=${localstatedir}/db/nsd
#
# Determine the pidfile location. Check if /var/run exists, if so set pidfile
# to /var/run/nsd.pid by default
#
if test -d ${localstatedir}/run; then
pidfile=${localstatedir}/run/nsd.pid
else
pidfile=${dbdir}/nsd.pid
fi
AC_ARG_WITH([pidfile],
AS_HELP_STRING([--with-pidfile=path],[Pathname to the NSD pidfile]),
[pidfile=$withval])
AC_SUBST(pidfile)
AC_DEFINE_UNQUOTED(PIDFILE, ["`eval echo $pidfile`"], [Pathname to the NSD pidfile])
AC_ARG_WITH([dbfile],
AS_HELP_STRING([--with-dbfile=path],[Pathname to the NSD database (obsolete)]),[])
piddir=`dirname $pidfile`
AC_SUBST(piddir)
#
# Determine the default directory for the zone files
#
zonesdir=$configdir
AC_ARG_WITH([zonesdir],
AS_HELP_STRING([--with-zonesdir=dir],[NSD default location for zone files]),
[zonesdir=$withval])
AC_SUBST(zonesdir)
AC_DEFINE_UNQUOTED(ZONESDIR, ["`eval echo $zonesdir`"], [NSD default location for zone files. Empty string or NULL to disable.])
# default xfrd file location.
xfrdfile=${dbdir}/xfrd.state
AC_ARG_WITH([xfrdfile], AS_HELP_STRING([--with-xfrdfile=path],[Pathname to the NSD xfrd zone timer state file]), [xfrdfile=$withval])
AC_DEFINE_UNQUOTED(XFRDFILE, ["`eval echo $xfrdfile`"], [Pathname to the NSD xfrd zone timer state file.])
AC_SUBST(xfrdfile)
# default zonelist file location.
zonelistfile=${dbdir}/zone.list
AC_ARG_WITH([zonelistfile], AS_HELP_STRING([--with-zonelistfile=path],[Pathname to the NSD zone list file]), [zonelistfile=$withval])
AC_DEFINE_UNQUOTED(ZONELISTFILE, ["`eval echo $zonelistfile`"], [Pathname to the NSD zone list file.])
AC_SUBST(zonelistfile)
# default xfr dir location.
xfrdir="/tmp"
AC_ARG_WITH([xfrdir], AS_HELP_STRING([--with-xfrdir=path],[Pathname to where the NSD transfer dir is created]), [xfrdir=$withval])
AC_DEFINE_UNQUOTED(XFRDIR, ["`eval echo $xfrdir`"], [Pathname to where the NSD transfer dir is created.])
AC_SUBST(xfrdir)
# nsd sbin location. tmpinstantiate execprefix with defaults if not yet done.
if test "x${exec_prefix}" = "xNONE"; then
if test "x${prefix}" = "xNONE"; then exec_prefix="$ac_default_prefix"
else exec_prefix="${prefix}"; fi
nsd_start_path="`eval echo $sbindir`/nsd"
exec_prefix="NONE"
else
nsd_start_path="`eval echo $sbindir`/nsd"
fi
AC_DEFINE_UNQUOTED(NSD_START_PATH, ["$nsd_start_path"], [Pathname to start nsd from nsd-control])
#
# Determine default chroot directory
#
AC_ARG_WITH([chroot],
AS_HELP_STRING([--with-chroot=dir],[NSD default chroot directory]),
[
chrootdir=$withval
AC_DEFINE_UNQUOTED(CHROOTDIR, ["`eval echo $chrootdir`"], [NSD default chroot directory])
])
AC_SUBST(chrootdir)
#
# Determine the user name to drop privileges to
#
user=nsd
AC_ARG_WITH([user],
AS_HELP_STRING([--with-user=username],[User name or ID to answer the queries with]),
[user=$withval])
AC_SUBST(user)
AC_DEFINE_UNQUOTED(USER, ["$user"], [the user name to drop privileges to])
m4_version_prereq([2.70], [AC_PROG_CC], [AC_PROG_CC_STDC])
AC_PROG_SED
AC_PROG_AWK
AC_PROG_GREP
AC_PROG_EGREP
AC_PROG_LEX([noyywrap])
AC_PROG_YACC
AC_PROG_LN_S
AC_PROG_INSTALL
if test "$LEX" != ":" -a "$LEX" != ""; then
# Solaris provides anemic tools, and they don't offer GNU extensions like
# 'flex -i'. Solaris also does not offer GNU replacements in /usr/gnu/bin.
AC_MSG_CHECKING([whether lex accepts -i])
AS_IF([echo "%%" | $LEX -i -t >/dev/null 2>&1],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
AC_MSG_ERROR([unable to find a lexer that supports -i. If one is available then set the LEX variable])
]
)
# Check if lex defines yy_current_buffer, because 2.4.6 and older use it,
# but later could define it as a macro and then we should not redefine it.
AC_MSG_CHECKING(if lex defines yy_current_buffer)
cat <<EOF >conftest.lex
%%
EOF
$LEX -i -t conftest.lex >> conftest.c 2>/dev/null
if $GREP "^#define yy_current_buffer" conftest.c >/dev/null; then
AC_DEFINE_UNQUOTED(LEX_DEFINES_YY_CURRENT_BUFFER, 1, [If flex defines yy_current_buffer as a macro])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
rm -f conftest.lex conftest.c
fi
AC_DEFUN([AC_CHECK_FORMAT_ATTRIBUTE],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "format" attribute)
AC_CACHE_VAL(ac_cv_c_format_attribute,
[ac_cv_c_format_attribute=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
void f (char *format, ...) __attribute__ ((format (printf, 1, 2)));
void (*pf) (char *format, ...) __attribute__ ((format (printf, 1, 2)));
]], [[
f ("%s", "str");
]])],[ac_cv_c_format_attribute="yes"],[ac_cv_c_format_attribute="no"])
])
AC_MSG_RESULT($ac_cv_c_format_attribute)
if test $ac_cv_c_format_attribute = yes; then
AC_DEFINE(HAVE_ATTR_FORMAT, 1, [Whether the C compiler accepts the "format" attribute])
fi
])dnl
AC_DEFUN([AC_CHECK_UNUSED_ATTRIBUTE],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "unused" attribute)
AC_CACHE_VAL(ac_cv_c_unused_attribute,
[ac_cv_c_unused_attribute=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
void f (char *u __attribute__((unused)));
]], [[
f ("x");
]])],[ac_cv_c_unused_attribute="yes"],[ac_cv_c_unused_attribute="no"])
])
AC_MSG_RESULT($ac_cv_c_unused_attribute)
if test $ac_cv_c_unused_attribute = yes; then
AC_DEFINE(HAVE_ATTR_UNUSED, 1, [Whether the C compiler accepts the "unused" attribute])
fi
])dnl
AC_DEFUN([CHECK_WEAK_ATTRIBUTE],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "weak" attribute)
AC_CACHE_VAL(ac_cv_c_weak_attribute,
[ac_cv_c_weak_attribute=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h>
__attribute__((weak)) void f(int x) { printf("%d", x); }
]], [[
f(1);
]])],[ac_cv_c_weak_attribute="yes"],[ac_cv_c_weak_attribute="no"])
])
AC_MSG_RESULT($ac_cv_c_weak_attribute)
if test $ac_cv_c_weak_attribute = yes; then
AC_DEFINE(HAVE_ATTR_WEAK, 1, [Whether the C compiler accepts the "weak" attribute])
AC_DEFINE(ATTR_WEAK, [__attribute__((weak))], [apply the weak attribute to a symbol])
fi
])dnl End of CHECK_WEAK_ATTRIBUTE
AC_DEFUN([CHECK_NORETURN_ATTRIBUTE],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "noreturn" attribute)
AC_CACHE_VAL(ac_cv_c_noreturn_attribute,
[ac_cv_c_noreturn_attribute=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h>
__attribute__((noreturn)) void f(int x) { printf("%d", x); }
]], [[
f(1);
]])],[ac_cv_c_noreturn_attribute="yes"],[ac_cv_c_noreturn_attribute="no"])
])
AC_MSG_RESULT($ac_cv_c_noreturn_attribute)
if test $ac_cv_c_noreturn_attribute = yes; then
AC_DEFINE(HAVE_ATTR_NORETURN, 1, [Whether the C compiler accepts the "noreturn" attribute])
AC_DEFINE(ATTR_NORETURN, [__attribute__((__noreturn__))], [apply the noreturn attribute to a function that exits the program])
fi
])dnl End of CHECK_NORETURN_ATTRIBUTE
AC_DEFUN([CHECK_COMPILER_FLAG],
[
AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether $CC supports -$1)
cache=`echo $1 | $SED 'y%.=/+-%___p_%'`
AC_CACHE_VAL(cv_prog_cc_flag_$cache,
[
echo 'void f(void){}' >conftest.c
if test -z "`$CC -$1 -c conftest.c 2>&1`"; then
eval "cv_prog_cc_flag_$cache=yes"
else
eval "cv_prog_cc_flag_$cache=no"
fi
rm -f conftest*
])
if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then
AC_MSG_RESULT(yes)
:
$2
else
AC_MSG_RESULT(no)
:
$3
fi
])
AC_DEFUN([AC_CHECK_CTIME_R],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether ctime_r works with two arguments)
AC_CACHE_VAL(ac_cv_c_ctime_c,
[ac_cv_c_ctime_c=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>
void testing (void) { time_t clock; char current_time[40]; ctime_r(&clock, current_time); }]], [[
testing();
]])],[ac_cv_c_ctime_c="yes"],[ac_cv_c_ctime_c="no"])
])
AC_MSG_RESULT($ac_cv_c_ctime_c)
if test $ac_cv_c_ctime_c = no; then
CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS"
fi
])dnl
# Checks for typedefs, structures, and compiler characteristics.
# allow user to override the -g -O2 flags.
if test "x$CFLAGS" = "x" ; then
ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
# we do not use O3 because it causes miscompilations.
ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
ACX_CHECK_FLTO
ACX_CHECK_PIE
ACX_CHECK_RELRO_NOW
fi
AC_C_CONST
AC_C_INLINE
AC_TYPE_UID_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_OFF_T
AC_CHECK_FORMAT_ATTRIBUTE
AC_CHECK_UNUSED_ATTRIBUTE
CHECK_WEAK_ATTRIBUTE
CHECK_NORETURN_ATTRIBUTE
ACX_CHECK_MEMCMP_SIGNED
AC_CHECK_CTIME_R
# Checks for libraries.
# Check for SSL, original taken from
# http://www.gnu.org/software/ac-archive/htmldoc/check_ssl.html and
# modified for NSD.
AC_DEFUN([CHECK_SSL], [
AC_ARG_WITH(ssl, AS_HELP_STRING([--with-ssl=pathname],[enable SSL (will check /usr/local/ssl
/usr/lib/ssl /usr/ssl /usr/pkg /usr/sfw /usr/local /usr /usr/local/opt/openssl)]),[
],[
withval="yes"
])
if test x_$withval != x_no; then
AC_MSG_CHECKING(for SSL)
if test -n "$withval"; then
dnl look for openssl install with different version, eg.
dnl in /usr/include/openssl11/openssl/ssl.h
dnl and /usr/lib64/openssl11/libssl.so
dnl with the --with-ssl=/usr/include/openssl11
if test ! -f "$withval/include/openssl/ssl.h" -a -f "$withval/openssl/ssl.h"; then
ssldir="$withval"
found_ssl="yes"
withval=""
ssldir_include="$ssldir"
CPPFLAGS="$CPPFLAGS -I$ssldir_include";
dnl find the libdir
ssldir_lib=`echo $ssldir | sed -e 's/include/lib/'`
if test -f "$ssldir_lib/libssl.a" -o -f "$ssldir_lib/libssl.so"; then
: # found here
else
ssldir_lib=`echo $ssldir | sed -e 's/include/lib64/'`
if test -f "$ssldir_lib/libssl.a" -o -f "$ssldir_lib/libssl.so"; then
: # found here
else
AC_MSG_ERROR([Could not find openssl lib file, $ssldir_lib/libssl.[so,a], pass like "/usr/local" or "/usr/include/openssl11"])
fi
fi
fi
fi
if test x_$withval = x_ -o x_$withval = x_yes; then
withval="/usr/local/ssl /usr/lib/ssl /usr/ssl /usr/pkg /usr/sfw /usr/local /usr /usr/local/opt/openssl"
fi
for dir in $withval; do
ssldir="$dir"
if test -f "$dir/include/openssl/ssl.h"; then
found_ssl="yes";
if test x_$ssldir != x_/usr; then
CPPFLAGS="$CPPFLAGS -I$ssldir/include";
fi
ssldir_include="$ssldir/include"
if test ! -d "$ssldir/lib" -a -d "$ssldir/lib64"; then
ssldir_lib="$ssldir/lib64"
else
ssldir_lib="$ssldir/lib"
fi
break;
fi
done
if test x_$found_ssl != x_yes; then
AC_MSG_ERROR([Cannot find the SSL libraries in $withval])
else
AC_MSG_RESULT([found in $ssldir])
HAVE_SSL=yes
AC_DEFINE_UNQUOTED([HAVE_SSL], [], [Define if you have the SSL libraries installed.])
if test x_$ssldir != x_/usr; then
LDFLAGS="$LDFLAGS -L$ssldir_lib";
fi
if test x_$ssldir = x_/usr/sfw; then
LDFLAGS="$LDFLAGS -R$ssldir_lib";
fi
fi
AC_SUBST(HAVE_SSL)
fi
])dnl
# check for libevent
AC_ARG_WITH(libevent, AS_HELP_STRING([--with-libevent=pathname],[use libevent (will check /usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr /usr/local/opt/libevent or you can specify an explicit path), useful when the zone count is high.]),
[ ],[ withval="yes" ])
if test x_$withval = x_yes -o x_$withval != x_no; then
AC_MSG_CHECKING(for libevent)
if test x_$withval = x_ -o x_$withval = x_yes; then
withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr /usr/local/opt/libevent"
fi
for dir in $withval; do
thedir="$dir"
if test -f "$dir/include/event.h" -o -f "$dir/include/event2/event.h"; then
found_libevent="yes"
dnl assume /usr is in default path.
if test "$thedir" != "/usr"; then
CPPFLAGS="$CPPFLAGS -I$thedir/include"
fi
break;
fi
done
if test x_$found_libevent != x_yes; then
if test -f "$dir/event.h" -a \( -f "$dir/libevent.la" -o -f "$dir/libev.la" \) ; then
# libevent source directory
AC_MSG_RESULT(found in $thedir)
CPPFLAGS="$CPPFLAGS -I$thedir -I$thedir/include"
# remove evdns from linking
ev_files_o=`ls $thedir/*.o | $GREP -v evdns\.o | $GREP -v bufferevent_openssl\.o`
cp $ev_files_o .
LDFLAGS="$ev_files_o $LDFLAGS -lm"
else
AC_MSG_ERROR([Cannot find the libevent library.
You can restart ./configure --with-libevent=no to use a builtin alternative.])
fi
else
AC_MSG_RESULT(found in $thedir)
dnl if event2 exists and no event lib in dir itself, use subdir
if test ! -f $thedir/lib/libevent.a -a ! -f $thedir/lib/libevent.so -a -d "$thedir/lib/event2"; then
LDFLAGS="$LDFLAGS -L$thedir/lib/event2"
ACX_RUNTIME_PATH_ADD([$thedir/lib/event2])
else
dnl assume /usr is in default path, do not add "".
if test "$thedir" != "/usr" -a "$thedir" != ""; then
LDFLAGS="$LDFLAGS -L$thedir/lib"
ACX_RUNTIME_PATH_ADD([$thedir/lib])
fi
fi
fi
# check for library used by libevent after 1.3c
AC_SEARCH_LIBS([clock_gettime], [rt])
# is the event.h header libev or libevent?
AC_CHECK_HEADERS([event.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_DECL(EV_VERSION_MAJOR, [
AC_SEARCH_LIBS(event_set, [ev])
],[
AC_SEARCH_LIBS(event_set, [event])
],[AC_INCLUDES_DEFAULT
#include <event.h>
])
AC_CHECK_FUNCS([event_base_free]) # only in libevent 1.2 and later
AC_CHECK_FUNCS([event_base_once]) # only in libevent 1.4.1 and later
AC_CHECK_FUNCS([event_base_new]) # only in libevent 1.4.1 and later
AC_CHECK_FUNCS([event_base_get_method]) # only in libevent 1.4.3 and later
AC_CHECK_FUNCS([ev_loop]) # only in libev. (tested on 3.51)
AC_CHECK_FUNCS([ev_default_loop]) # only in libev. (tested on 4.00)
else
AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
fi
# Checks for header files.
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([time.h arpa/inet.h signal.h string.h strings.h fcntl.h limits.h netinet/in.h netinet/tcp.h stddef.h sys/param.h sys/socket.h sys/un.h syslog.h unistd.h sys/select.h stdarg.h stdint.h netdb.h sys/bitypes.h tcpd.h glob.h grp.h endian.h sys/random.h ifaddrs.h],,, [AC_INCLUDES_DEFAULT])
AC_DEFUN([CHECK_VALIST_DEF],
[
AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(for double definition of struct va_list)
AC_CACHE_VAL(ac_cv_c_va_list_def,
[
cat >conftest.c <<EOF
#include <stdio.h>
#include <stdarg.h>
int foo(void);
EOF
if test -z "`$CC -Werror -D_XOPEN_SOURCE=600 -c conftest.c 2>&1`"; then
eval "ac_cv_c_va_list_def=no"
else
eval "ac_cv_c_va_list_def=yes"
fi
rm -f conftest*
])
if test $ac_cv_c_va_list_def = yes; then
AC_MSG_RESULT(yes)
:
AC_DEFINE_UNQUOTED([HAVE_VA_LIST_DOUBLE_DEF], [], [Define this if you have double va_list definitions.])
else
AC_MSG_RESULT(no)
:
fi
])
CHECK_VALIST_DEF
AC_DEFUN([AC_CHECK_STRPTIME],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether strptime needs defines)
AC_CACHE_VAL(ac_cv_c_strptime_needs_defs,
[
cat >conftest.c <<EOF
#include <time.h>
int testing (void) { struct tm t; const char *timestr="201201"; return strptime(timestr, "%Y%m", &t) != 0; }
EOF
if test -z "`$CC -Wall -Werror -c conftest.c 2>&1`"; then
eval "ac_cv_c_strptime_needs_defs=no"
else
eval "ac_cv_c_strptime_needs_defs=yes"
fi
rm -f conftest*
])
AC_MSG_RESULT($ac_cv_c_strptime_needs_defs)
if test $ac_cv_c_strptime_needs_defs = yes; then
AC_DEFINE_UNQUOTED([STRPTIME_NEEDS_DEFINES], 1, [strptime is available from time.h with some defines.])
fi
])dnl
AC_CHECK_STRPTIME
# check wether strptime also works
AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether strptime works)
if test c${cross_compiling} = cno; then
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#define _XOPEN_SOURCE 600
#include <time.h>
int main(void) { struct tm tm; char *res;
res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
if (!res) return 1; return 0; }
]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"],
[eval "ac_cv_c_strptime_works=maybe"])
else
eval "ac_cv_c_strptime_works=maybe"
fi
AC_MSG_RESULT($ac_cv_c_strptime_works)
if test $ac_cv_c_strptime_works = no; then
AC_LIBOBJ(strptime)
else
AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
fi
])dnl
AC_SEARCH_LIBS(inet_pton, [nsl])
AC_SEARCH_LIBS(socket, [socket])
AC_CHECK_STRPTIME_WORKS
ACX_CHECK_NONBLOCKING_BROKEN
ACX_MKDIR_ONE_ARG
# set -I. and -Isrcdir
if test -n "$CPPFLAGS"; then
CPPFLAGS="$CPPFLAGS -I."
else
CPPFLAGS="-I."
fi
if test "$srcdir" != "."; then
CPPFLAGS="$CPPFLAGS -I$srcdir"
if test -f $srcdir/config.h; then
AC_MSG_ERROR([$srcdir/config.h is in the way, please remove it])
fi
fi
dnl LIBGTOP_CHECK_TYPE
dnl Stolen from Gnome's anjuta
dnl Improved version of AC_CHECK_TYPE which takes into account
dnl that we need to #include some other header files on some
dnl systems to get some types.
dnl AC_LIBGTOP_CHECK_TYPE(TYPE, DEFAULT)
AC_DEFUN([AC_LIBGTOP_CHECK_TYPE],
[AC_MSG_CHECKING(for $1)
AC_CACHE_VAL(ac_cv_type_$1,
[AC_EGREP_CPP(dnl
changequote(<<,>>)dnl
<<(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl
changequote([,]), [
#include <sys/types.h>
#include <stdlib.h>
#include <stddef.h>
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
/* For Tru64 */
#ifdef HAVE_SYS_BITYPES_H
#include <sys/bitypes.h>
#endif
], ac_cv_type_$1=yes, ac_cv_type_$1=no)])dnl
AC_MSG_RESULT($ac_cv_type_$1)
if test $ac_cv_type_$1 = no; then
AC_DEFINE($1, $2, Define "$1" to "$2" if "$1" is missing)
fi
])
AC_LIBGTOP_CHECK_TYPE(int8_t, char)
AC_LIBGTOP_CHECK_TYPE(int16_t, short)
AC_LIBGTOP_CHECK_TYPE(int32_t, int)
AC_LIBGTOP_CHECK_TYPE(int64_t, long long)
AC_LIBGTOP_CHECK_TYPE(uint8_t, unsigned char)
AC_LIBGTOP_CHECK_TYPE(uint16_t, unsigned short)
AC_LIBGTOP_CHECK_TYPE(uint32_t, unsigned int)
AC_LIBGTOP_CHECK_TYPE(uint64_t, unsigned long long)
AC_LIBGTOP_CHECK_TYPE(socklen_t, int)
AC_LIBGTOP_CHECK_TYPE(sig_atomic_t, int)
AC_LIBGTOP_CHECK_TYPE(ssize_t, int)
AC_LIBGTOP_CHECK_TYPE(suseconds_t, time_t)
AC_CHECK_TYPE(in_addr_t, [], [AC_DEFINE([in_addr_t], [uint32_t], [in_addr_t])], [
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif])
ACX_CHECK_SS_FAMILY
AC_CHECK_MEMBERS([struct stat.st_mtimensec, struct stat.st_mtim.tv_nsec])
AC_CHECK_MEMBERS([struct sockaddr_un.sun_len],,,[
AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
])
# Checks for library functions.
AC_FUNC_CHOWN
AC_FUNC_FORK
AC_FUNC_MALLOC
AC_DEFINE(RETSIGTYPE,void,[Return type of signal handlers, but autoconf 2.70 says 'your code may safely assume C89 semantics that RETSIGTYPE is void.'])
AC_FUNC_FSEEKO
AC_SYS_LARGEFILE
AC_CHECK_SIZEOF(void*)
AC_CHECK_SIZEOF(off_t)
AC_CHECK_FUNCS([getrandom arc4random arc4random_uniform])
AC_SEARCH_LIBS([setusercontext],[util],[AC_CHECK_HEADERS([login_cap.h],,, [AC_INCLUDES_DEFAULT])])
AC_CHECK_FUNCS([tzset alarm chroot dup2 endpwent gethostname memset memcpy pwrite socket strcasecmp strchr strdup strerror strncasecmp strtol writev getaddrinfo getnameinfo freeaddrinfo gai_strerror sigaction sigprocmask strptime strftime localtime_r setusercontext glob initgroups setresuid setreuid setresgid setregid getpwnam mmap ppoll clock_gettime accept4 getifaddrs])
AC_CHECK_TYPE([struct mmsghdr], AC_DEFINE(HAVE_MMSGHDR, 1, [If sys/socket.h has a struct mmsghdr.]), [], [
AC_INCLUDES_DEFAULT
#include <sys/socket.h>
])
AC_ARG_ENABLE(recvmmsg, AS_HELP_STRING([--enable-recvmmsg],[Enable recvmmsg and sendmmsg compilation, faster but some kernel versions may have implementation problems for IPv6]))
case "$enable_recvmmsg" in
yes)
AC_CHECK_FUNC([recvmmsg], [
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/socket.h>
#include <errno.h>
int main(void)
{
int s = socket(AF_INET, SOCK_DGRAM, 0);
int r = recvmmsg(s, 0, 0, 0, 0) == -1 && errno == ENOSYS;
close(s);
return r;
}
]])], [
AC_DEFINE([HAVE_RECVMMSG], [1], [Define if recvmmsg is implemented])], [
], [
AC_DEFINE([HAVE_RECVMMSG], [1], [Define if recvmmsg exists])]
)])
AC_CHECK_FUNC([sendmmsg], [
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/socket.h>
#include <errno.h>
int main(void)
{
int s = socket(AF_INET, SOCK_DGRAM, 0);
int r = sendmmsg(s, 0, 0, 0) == -1 && errno == ENOSYS;
close(s);
return r;
}
]])], [
AC_DEFINE([HAVE_SENDMMSG], [1], [Define if sendmmsg is implemented])], [
], [
AC_DEFINE([HAVE_SENDMMSG], [1], [Define if sendmmsg exists])]
)])
;;
no|*)
;;
esac
# check if setreuid en setregid fail, on MacOSX10.4(darwin8).
if echo $target_os | $GREP -i darwin8 > /dev/null; then
AC_DEFINE(DARWIN_BROKEN_SETREUID, 1, [Define this if on macOSX10.4-darwin8 and setreuid and setregid do not work])
fi
# GNU HURD needs _GNU_SOURCE defined for cpu affinity gear
if echo $target_os | $EGREP -i 'linux|hurd' > /dev/null; then
AC_DEFINE([_GNU_SOURCE, 1, [Define this if on Linux or GNU Hurd for cpu affinity interface]])
fi
# see comment on _GNU_SOURCE above
AC_CHECK_HEADERS([sched.h sys/cpuset.h],,, [AC_INCLUDES_DEFAULT])
# Check for cpu_set_t (Linux) and cpuset_t (FreeBSD and NetBSD)
AC_CHECK_TYPES([cpu_set_t, cpuset_t, cpuid_t],,,[
AC_INCLUDES_DEFAULT
#if HAVE_SCHED_H
# include <sched.h>
#endif
#if HAVE_SYS_CPUSET_H
# include <sys/cpuset.h>
#endif
])
AC_DEFUN([AC_CHECK_CPU_OR],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether CPU_OR works with three arguments)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef HAVE_SCHED_H
# include <sched.h>
#endif
#ifdef HAVE_SYS_CPUSET_H
# include <sys/cpuset.h>
#endif
#include <string.h>
#ifdef HAVE_CPUSET_T
#define MY_CPUSET_TYPE cpuset_t
#endif
#ifdef HAVE_CPU_SET_T
#define MY_CPUSET_TYPE cpu_set_t
#endif
void testing (void) {
MY_CPUSET_TYPE a, b;
memset(&a, 0, sizeof(a));
memset(&b, 0, sizeof(b));
CPU_OR(&a, &a, &b);
}]], [[
testing();
]])],[
AC_MSG_RESULT(yes)
AC_DEFINE([CPU_OR_THREE_ARGS], 1, [number of arguments for CPU_OR is three])
],[
AC_MSG_RESULT(no)
])])
AS_IF([test x"$ac_cv_type_cpuset_t" = xyes -o x"$ac_cv_type_cpu_set_t" = xyes ],[
AC_CHECK_FUNC(cpuset_create)
AC_CHECK_FUNC(cpuset_destroy)
AC_CHECK_FUNC(cpuset_zero)
AC_CHECK_FUNC(cpuset_set)
AC_CHECK_FUNC(cpuset_clr)
AC_CHECK_FUNC(cpuset_isset)
AC_CHECK_FUNC(cpuset_size)
AC_LIBOBJ(cpuset)
AC_CHECK_FUNCS([sysconf])
AC_CHECK_CPU_OR
])
#
# sched_setaffinity must be checked using proper includes.
# also needs _GNU_SOURCE on Linux and Hurd; see above.
# also see https://github.com/NLnetLabs/nsd/issues/82.
#
AC_MSG_CHECKING(for sched_setaffinity)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#ifdef HAVE_SCHED_H
# include <sched.h>
#endif
#ifdef HAVE_SYS_CPUSET_H
#include <sys/cpuset.h>
#endif
#ifdef HAVE_CPUSET_T
#define MY_CPUSET_TYPE cpuset_t
#endif
#ifdef HAVE_CPU_SET_T
#define MY_CPUSET_TYPE cpu_set_t
#endif
void testing (void) {
MY_CPUSET_TYPE set;
CPU_ZERO(&set);
(void)sched_setaffinity(-1, sizeof(set), &set);
}
]])],
[ AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SCHED_SETAFFINITY, 1, [Define this if sched_setaffinity is available])],
[ AC_MSG_RESULT(no)])
#
# Checking for missing functions we can replace
#
AC_REPLACE_FUNCS(basename)
AC_REPLACE_FUNCS(inet_aton)
AC_REPLACE_FUNCS(inet_pton)
AC_REPLACE_FUNCS(inet_ntop)
AC_REPLACE_FUNCS(snprintf)
AC_REPLACE_FUNCS(strlcat)
AC_REPLACE_FUNCS(strlcpy)
AC_REPLACE_FUNCS(strptime)
AC_REPLACE_FUNCS(b64_pton)
AC_REPLACE_FUNCS(b64_ntop)
AC_REPLACE_FUNCS(pselect)
AC_REPLACE_FUNCS(memmove)
AC_REPLACE_FUNCS(setproctitle)
AC_REPLACE_FUNCS(explicit_bzero)
AC_MSG_CHECKING([for reallocarray])
AC_LINK_IFELSE([AC_LANG_SOURCE(
[[
#ifndef _OPENBSD_SOURCE
#define _OPENBSD_SOURCE 1
#endif
]]
AC_INCLUDES_DEFAULT
[[
#include <stdlib.h>
int main(void) {
void* p = reallocarray(NULL, 10, 100);
free(p);
return 0;
}
]])], [AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_REALLOCARRAY, 1, [If we have reallocarray(3)])
AC_CHECK_DECLS([reallocarray], [], [
AC_DEFINE(REALLOCARRAY_NEEDS_DEFINES, 1, [If reallocarray needs defines to appear in the headers])
], [
AC_INCLUDES_DEFAULT
#include <stdlib.h>
])
], [
AC_MSG_RESULT(no)
AC_LIBOBJ(reallocarray)
])
AC_MSG_CHECKING(for pselect prototype in sys/select.h)
AC_EGREP_HEADER([[^a-zA-Z_]*pselect[^a-zA-Z_]], sys/select.h, AC_DEFINE(HAVE_PSELECT_PROTO, 1,
[if sys/select.h provides pselect prototype]) AC_MSG_RESULT(yes), AC_MSG_RESULT(no))
AC_MSG_CHECKING(for ctime_r prototype in time.h)
AC_EGREP_HEADER([[^a-zA-Z_]*ctime_r[^a-zA-Z_]], time.h, AC_DEFINE(HAVE_CTIME_R_PROTO, 1,
[if time.h provides ctime_r prototype]) AC_MSG_RESULT(yes), AC_MSG_RESULT(no))
AC_CHECK_TYPE([struct timespec], AC_DEFINE(HAVE_STRUCT_TIMESPEC, 1, [If time.h has a struct timespec (for pselect).]), [], [
AC_INCLUDES_DEFAULT
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
])
dnl
dnl Some random defines's
dnl
AC_DEFINE_UNQUOTED([IDENTITY], ["unidentified server"], [Define to the default nsd identity.])
AC_DEFINE_UNQUOTED([VERSION], [PACKAGE_STRING], [Define to the NSD version to answer version.server query.])
AC_DEFINE_UNQUOTED([TCP_BACKLOG], [256], [Define to the backlog to be used with listen.])
AC_DEFINE_UNQUOTED([TCP_PORT], ["53"], [Define to the default tcp port.])
AC_DEFINE_UNQUOTED([TCP_MAX_MESSAGE_LEN], [65535], [Define to the default maximum message length.])
AC_DEFINE_UNQUOTED([UDP_PORT], ["53"], [Define to the default udp port.])
AC_DEFINE_UNQUOTED([UDP_MAX_MESSAGE_LEN], [512], [Define to the default maximum udp message length.])
AC_DEFINE_UNQUOTED([EDNS_MAX_MESSAGE_LEN], [1232], [Define to the default maximum message length with EDNS.])
AC_DEFINE_UNQUOTED([TLS_PORT], ["853"], [Define to the default DNS over TLS port.])
AC_DEFINE_UNQUOTED([MAXSYSLOGMSGLEN], [512], [Define to the maximum message length to pass to syslog.])
AC_DEFINE_UNQUOTED([NSD_CONTROL_PORT], [8952], [Define to the default nsd-control port.])
AC_DEFINE_UNQUOTED([NSD_CONTROL_VERSION], [1], [Define to nsd-control proto version.])
AC_DEFINE_UNQUOTED([VERIFY_PORT], ["5347"], [Define to the default zone verification udp port.])
dnl
dnl Determine the syslog facility to use
dnl
facility=LOG_DAEMON
AC_ARG_WITH([facility],
AS_HELP_STRING([--with-facility=name],[Syslog default facility (LOG_DAEMON)]),
[facility=$withval])
AC_DEFINE_UNQUOTED([FACILITY], $facility, [Define to the default facility for syslog.])
dnl
dnl Determine the default tcp timeout
dnl
tcp_timeout=120
AC_ARG_WITH([tcp_timeout],
AS_HELP_STRING([--with-tcp-timeout=number],[Limit the default tcp timeout]),
[tcp_timeout=$withval])
AC_DEFINE_UNQUOTED([TCP_TIMEOUT], $tcp_timeout, [Define to the default tcp timeout.])
dnl
dnl Features
dnl
AC_ARG_ENABLE(root-server, AS_HELP_STRING([--enable-root-server],[Configure NSD as a root server (obsolete)]))
AC_ARG_ENABLE(ipv6, AS_HELP_STRING([--disable-ipv6],[Disables IPv6 support]))
case "$enable_ipv6" in
no)
;;
yes|*)
AC_DEFINE_UNQUOTED([INET6], [], [Define this to enable IPv6 support.])
;;
esac
AC_ARG_ENABLE(bind8-stats, AS_HELP_STRING([--enable-bind8-stats],[Enables BIND8 like NSTATS & XSTATS and statistics in nsd-control]))
case "$enable_bind8_stats" in
yes|'')
AC_DEFINE_UNQUOTED([BIND8_STATS], [], [Define this to enable BIND8 like NSTATS & XSTATS.])
;;
no|*)
;;
esac
AC_ARG_ENABLE(zone-stats, AS_HELP_STRING([--enable-zone-stats],[Enable per-zone statistics gathering (needs --enable-bind8-stats)]))
case "$enable_zone_stats" in
yes)
AC_DEFINE_UNQUOTED([USE_ZONE_STATS], [], [Define this to enable per-zone statistics gathering.])
AC_DEFINE_UNQUOTED([BIND8_STATS], [], [Define this to enable BIND8 like NSTATS & XSTATS.])
;;
no|''|*)
;;
esac
AC_ARG_ENABLE(checking, AS_HELP_STRING([--enable-checking],[Enable internal runtime checks]))
case "$enable_checking" in
yes)
CHECK_COMPILER_FLAG(W, [ CFLAGS="$CFLAGS -W" ])
CHECK_COMPILER_FLAG(Wall, [ CFLAGS="$CFLAGS -Wall" ])
CHECK_COMPILER_FLAG(Wextra, [ CFLAGS="$CFLAGS -Wextra" ])
CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [ CFLAGS="$CFLAGS -Wdeclaration-after-statement" ])
;;
no|*)
AC_DEFINE([NDEBUG], [], [Undefine this to enable internal runtime checks.])
;;
esac
AC_ARG_ENABLE(memclean, AS_HELP_STRING([--enable-memclean],[Cleanup memory (at exit) for eg. valgrind, memcheck]))
if test "$enable_memclean" = "yes"; then AC_DEFINE_UNQUOTED([MEMCLEAN], [1], [Define this to cleanup memory at exit (eg. for valgrind, etc.)])
fi
AC_ARG_ENABLE(ratelimit, AS_HELP_STRING([--enable-ratelimit],[Enable rate limiting]))
case "$enable_ratelimit" in
yes)
AC_DEFINE_UNQUOTED([RATELIMIT], [], [Define this to enable rate limiting.])
dnl causes awk to not match the exclusion start marker.
ratelimit="xx"
;;
no|*)
ratelimit=""
;;
esac
AC_SUBST(ratelimit)
AC_ARG_ENABLE(ratelimit-default-is-off, AS_HELP_STRING([--enable-ratelimit-default-is-off],[Enable this to set default of ratelimit to off (enable in nsd.conf), otherwise ratelimit is enabled by default if --enable-ratelimit is enabled]))
case "$enable_ratelimit_default_is_off" in
yes)
AC_DEFINE_UNQUOTED([RATELIMIT_DEFAULT_OFF], [], [Define this to set ratelimit to off by default.])
ratelimit_default="off"
;;
no|*)
ratelimit_default="on"
;;
esac