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configure.ac
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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.56])
sinclude(acx_nlnetlabs.m4)
sinclude(ax_pthread.m4)
sinclude(acx_python.m4)
sinclude(ac_pkg_swig.m4)
sinclude(dnstap/dnstap.m4)
sinclude(dnscrypt/dnscrypt.m4)
# must be numbers. ac_defun because of later processing
m4_define([VERSION_MAJOR],[1])
m4_define([VERSION_MINOR],[18])
m4_define([VERSION_MICRO],[1])
AC_INIT([unbound],m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]),[unbound-bugs@nlnetlabs.nl or https://github.com/NLnetLabs/unbound/issues],[unbound])
AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
LIBUNBOUND_CURRENT=9
LIBUNBOUND_REVISION=23
LIBUNBOUND_AGE=1
# 1.0.0 had 0:12:0
# 1.0.1 had 0:13:0
# 1.0.2 had 0:14:0
# 1.1.0 had 0:15:0
# 1.1.1 had 0:16:0
# 1.2.0 had 0:17:0
# 1.2.1 had 0:18:0
# 1.3.0 had 1:0:0 # ub_cancel and -export-symbols.
# 1.3.1 had 1:1:0
# 1.3.2 had 1:2:0
# 1.3.3 had 1:3:0
# 1.3.4 had 1:4:0
# 1.4.0-snapshots had 1:5:0
# 1.4.0 had 1:5:0 (not 2:0:0) # ub_result.why_bogus
# 1.4.1 had 2:1:0
# 1.4.2 had 2:2:0
# 1.4.3 had 2:3:0
# 1.4.4 had 2:4:0
# 1.4.5 had 2:5:0
# 1.4.6 had 2:6:0
# 1.4.7 had 2:7:0
# 1.4.8 had 2:8:0
# 1.4.9 had 2:9:0
# 1.4.10 had 2:10:0
# 1.4.11 had 2:11:0
# 1.4.12 had 2:12:0
# 1.4.13 had 2:13:0
# and 1.4.13p1 and 1.4.13.p2
# 1.4.14 had 2:14:0
# 1.4.15 had 3:0:1 # adds ub_version()
# 1.4.16 had 3:1:1
# 1.4.17 had 3:2:1
# 1.4.18 had 3:3:1
# 1.4.19 had 3:4:1
# 1.4.20 had 4:0:2 # adds libunbound.ttl # but shipped 3:5:1
# 1.4.21 had 4:1:2
# 1.4.22 had 4:1:2
# 1.5.0 had 5:3:3 # adds ub_ctx_add_ta_autr
# 1.5.1 had 5:3:3
# 1.5.2 had 5:5:3
# 1.5.3 had 5:6:3
# 1.5.4 had 5:7:3
# 1.5.5 had 5:8:3
# 1.5.6 had 5:9:3
# 1.5.7 had 5:10:3
# 1.5.8 had 6:0:4 # adds ub_ctx_set_stub
# 1.5.9 had 6:1:4
# 1.5.10 had 6:2:4
# 1.6.0 had 6:3:4
# 1.6.1 had 7:0:5 # ub_callback_t typedef renamed to ub_callback_type
# 1.6.2 had 7:1:5
# 1.6.3 had 7:2:5
# 1.6.4 had 7:3:5
# 1.6.5 had 7:4:5
# 1.6.6 had 7:5:5
# 1.6.7 had 7:6:5
# 1.6.8 had 7:7:5
# 1.7.0 had 7:8:5
# 1.7.1 had 7:9:5
# 1.7.2 had 7:10:5
# 1.7.3 had 7:11:5
# 1.8.0 had 8:0:0 # changes the event callback function signature
# 1.8.1 had 8:1:0
# 1.8.2 had 8:2:0
# 1.8.3 had 8:3:0
# 1.9.0 had 9:0:1 # add ub_ctx_set_tls
# 1.9.1 had 9:1:1
# 1.9.2 had 9:2:1
# 1.9.3 had 9:3:1
# 1.9.4 had 9:4:1
# 1.9.5 had 9:5:1
# 1.9.6 had 9:6:1
# 1.10.0 had 9:7:1
# 1.10.1 had 9:8:1
# 1.11.0 had 9:9:1
# 1.12.0 had 9:10:1
# 1.13.0 had 9:11:1
# 1.13.1 had 9:12:1
# 1.13.2 had 9:13:1
# 1.14.0 had 9:14:1
# 1.15.0 had 9:15:1
# 1.16.0 had 9:16:1
# 1.16.1 had 9:17:1
# 1.16.2 had 9:18:1
# 1.16.3 had 9:19:1
# 1.17.0 had 9:20:1
# 1.17.1 had 9:21:1
# 1.18.0 had 9:22:1
# 1.18.1 had 9:23:1
# Current -- the number of the binary API that we're implementing
# Revision -- which iteration of the implementation of the binary
# API are we supplying?
# Age -- How many previous binary API versions do we also
# support?
#
# If we release a new version that does not change the binary API,
# increment Revision.
#
# If we release a new version that changes the binary API, but does
# not break programs compiled against the old binary API, increment
# Current and Age. Set Revision to 0, since this is the first
# implementation of the new API.
#
# Otherwise, we're changing the binary API and breaking backward
# compatibility with old binaries. Increment Current. Set Age to 0,
# since we're backward compatible with no previous APIs. Set Revision
# to 0 too.
AC_SUBST(LIBUNBOUND_CURRENT)
AC_SUBST(LIBUNBOUND_REVISION)
AC_SUBST(LIBUNBOUND_AGE)
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 prefix to /usr/local
dnl
case "$prefix" in
NONE)
prefix="/usr/local"
;;
esac
case "$exec_prefix" in
NONE)
exec_prefix="$prefix"
;;
esac
# are we on MinGW?
if uname -s 2>&1 | grep MINGW >/dev/null; then on_mingw="yes"
else
if echo $host | grep mingw >/dev/null; then on_mingw="yes"
else on_mingw="no"; fi
fi
#
# Determine configuration file
# the eval is to evaluate shell expansion twice
UNBOUND_SBIN_DIR=`eval echo "${sbindir}"`
AC_SUBST(UNBOUND_SBIN_DIR)
UNBOUND_SYSCONF_DIR=`eval echo "${sysconfdir}"`
AC_SUBST(UNBOUND_SYSCONF_DIR)
UNBOUND_LOCALSTATE_DIR=`eval echo "${localstatedir}"`
AC_SUBST(UNBOUND_LOCALSTATE_DIR)
if test $on_mingw = "no"; then
ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
else
ub_conf_file="C:\\Program Files\\Unbound\\service.conf"
fi
AC_ARG_WITH([conf_file],
AS_HELP_STRING([--with-conf-file=path],[Pathname to the Unbound configuration file]),
[ub_conf_file="$withval"])
AC_SUBST(ub_conf_file)
ACX_ESCAPE_BACKSLASH($ub_conf_file, hdr_config)
AC_DEFINE_UNQUOTED(CONFIGFILE, ["$hdr_config"], [Pathname to the Unbound configuration file])
ub_conf_dir=`AS_DIRNAME(["$ub_conf_file"])`
AC_SUBST(ub_conf_dir)
# Determine run, chroot directory and pidfile locations
AC_ARG_WITH(run-dir,
AS_HELP_STRING([--with-run-dir=path],[set default directory to chdir to (by default dir part of cfg file)]),
UNBOUND_RUN_DIR="$withval",
if test $on_mingw = no; then
UNBOUND_RUN_DIR=`dirname "$ub_conf_file"`
else
UNBOUND_RUN_DIR=""
fi
)
AC_SUBST(UNBOUND_RUN_DIR)
ACX_ESCAPE_BACKSLASH($UNBOUND_RUN_DIR, hdr_run)
AC_DEFINE_UNQUOTED(RUN_DIR, ["$hdr_run"], [Directory to chdir to])
AC_ARG_WITH(chroot-dir,
AS_HELP_STRING([--with-chroot-dir=path],[set default directory to chroot to (by default same as run-dir)]),
UNBOUND_CHROOT_DIR="$withval",
if test $on_mingw = no; then
UNBOUND_CHROOT_DIR="$UNBOUND_RUN_DIR"
else
UNBOUND_CHROOT_DIR=""
fi
)
AC_SUBST(UNBOUND_CHROOT_DIR)
ACX_ESCAPE_BACKSLASH($UNBOUND_CHROOT_DIR, hdr_chroot)
AC_DEFINE_UNQUOTED(CHROOT_DIR, ["$hdr_chroot"], [Directory to chroot to])
AC_ARG_WITH(share-dir,
AS_HELP_STRING([--with-share-dir=path],[set default directory with shared data (by default same as share/unbound)]),
UNBOUND_SHARE_DIR="$withval",
UNBOUND_SHARE_DIR="$UNBOUND_RUN_DIR")
AC_SUBST(UNBOUND_SHARE_DIR)
AC_DEFINE_UNQUOTED(SHARE_DIR, ["$UNBOUND_SHARE_DIR"], [Shared data])
AC_ARG_WITH(pidfile,
AS_HELP_STRING([--with-pidfile=filename],[set default pathname to unbound pidfile (default run-dir/unbound.pid)]),
UNBOUND_PIDFILE="$withval",
if test $on_mingw = no; then
UNBOUND_PIDFILE="$UNBOUND_RUN_DIR/unbound.pid"
else
UNBOUND_PIDFILE=""
fi
)
AC_SUBST(UNBOUND_PIDFILE)
ACX_ESCAPE_BACKSLASH($UNBOUND_PIDFILE, hdr_pid)
AC_DEFINE_UNQUOTED(PIDFILE, ["$hdr_pid"], [default pidfile location])
AC_ARG_WITH(rootkey-file,
AS_HELP_STRING([--with-rootkey-file=filename],[set default pathname to root key file (default run-dir/root.key). This file is read and written.]),
UNBOUND_ROOTKEY_FILE="$withval",
if test $on_mingw = no; then
UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
else
UNBOUND_ROOTKEY_FILE="C:\\Program Files\\Unbound\\root.key"
fi
)
AC_SUBST(UNBOUND_ROOTKEY_FILE)
ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTKEY_FILE, hdr_rkey)
AC_DEFINE_UNQUOTED(ROOT_ANCHOR_FILE, ["$hdr_rkey"], [default rootkey location])
AC_ARG_WITH(rootcert-file,
AS_HELP_STRING([--with-rootcert-file=filename],[set default pathname to root update certificate file (default run-dir/icannbundle.pem). This file need not exist if you are content with the builtin.]),
UNBOUND_ROOTCERT_FILE="$withval",
if test $on_mingw = no; then
UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
else
UNBOUND_ROOTCERT_FILE="C:\\Program Files\\Unbound\\icannbundle.pem"
fi
)
AC_SUBST(UNBOUND_ROOTCERT_FILE)
ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTCERT_FILE, hdr_rpem)
AC_DEFINE_UNQUOTED(ROOT_CERT_FILE, ["$hdr_rpem"], [default rootcert location])
AC_ARG_WITH(username,
AS_HELP_STRING([--with-username=user],[set default user that unbound changes to (default user is unbound)]),
UNBOUND_USERNAME="$withval",
UNBOUND_USERNAME="unbound")
AC_SUBST(UNBOUND_USERNAME)
AC_DEFINE_UNQUOTED(UB_USERNAME, ["$UNBOUND_USERNAME"], [default username])
AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled])
ACX_RSRC_VERSION(wnvs)
AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource files])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_LANG([C])
# allow user to override the -g -O2 flags.
default_cflags=no
if test "x$CFLAGS" = "x" ; then
ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
default_cflags=yes
fi
m4_version_prereq([2.70], [AC_PROG_CC], [AC_PROG_CC_STDC])
ACX_DEPFLAG
ACX_DETERMINE_EXT_FLAGS_UNBOUND
# debug mode flags warnings
AC_ARG_ENABLE(checking, AS_HELP_STRING([--enable-checking],[Enable warnings, asserts, makefile-dependencies]))
AC_ARG_ENABLE(debug, AS_HELP_STRING([--enable-debug],[same as enable-checking]))
if test "$enable_debug" = "yes"; then debug_enabled="$enable_debug";
else debug_enabled="$enable_checking"; fi
AC_SUBST(debug_enabled)
case "$debug_enabled" in
yes)
ACX_CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
ACX_CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
ACX_CHECK_COMPILER_FLAG(Wextra, [CFLAGS="$CFLAGS -Wextra"])
ACX_CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
AC_DEFINE([UNBOUND_DEBUG], [], [define this to enable debug checks.])
;;
no|*)
# nothing to do.
;;
esac
if test "$default_cflags" = "yes"; then
# only when CFLAGS was "" at the start, if the users wants to
# override we shouldn't add default cflags, because they wouldn't
# be able to turn off these options and set the CFLAGS wanted.
ACX_CHECK_FLTO
ACX_CHECK_PIE
ACX_CHECK_RELRO_NOW
fi
AC_C_INLINE
ACX_CHECK_FORMAT_ATTRIBUTE
ACX_CHECK_UNUSED_ATTRIBUTE
AC_DEFUN([CHECK_WEAK_ATTRIBUTE],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether the C compiler (${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 $ac_cv_c_weak_attribute = yes; then
AC_DEFINE(HAVE_ATTR_WEAK, 1, [Whether the C compiler accepts the "weak" attribute])
AC_DEFINE(ATTR_WEAK, [__attribute__((weak))], [apply the weak attribute to a symbol])
fi
])dnl End of CHECK_WEAK_ATTRIBUTE
CHECK_WEAK_ATTRIBUTE
AC_DEFUN([CHECK_NORETURN_ATTRIBUTE],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether the C compiler (${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 $ac_cv_c_noreturn_attribute = yes; then
AC_DEFINE(HAVE_ATTR_NORETURN, 1, [Whether the C compiler accepts the "noreturn" attribute])
AC_DEFINE(ATTR_NORETURN, [__attribute__((__noreturn__))], [apply the noreturn attribute to a function that exits the program])
fi
])dnl End of CHECK_NORETURN_ATTRIBUTE
CHECK_NORETURN_ATTRIBUTE
if test "$srcdir" != "."; then
CPPFLAGS="$CPPFLAGS -I$srcdir"
fi
AC_DEFUN([ACX_YYLEX_DESTROY], [
AC_MSG_CHECKING([for yylex_destroy])
if echo %% | $LEX -t 2>&1 | grep yylex_destroy >/dev/null 2>&1; then
AC_DEFINE(LEX_HAS_YYLEX_DESTROY, 1, [if lex has yylex_destroy])
AC_MSG_RESULT(yes)
else AC_MSG_RESULT(no);
LEX=":"
fi
])
AC_DEFUN([ACX_YYLEX_OPTION], [
AC_MSG_CHECKING([for lex %option])
if cat <<EOF | $LEX -t 2>&1 | grep yy_delete_buffer >/dev/null 2>&1; then
%option nounput
%%
EOF
AC_MSG_RESULT(yes)
else AC_MSG_RESULT(no);
LEX=":"
fi
])
AC_PROG_LEX([noyywrap])
if test "$LEX" != "" -a "$LEX" != ":"; then
ACX_YYLEX_DESTROY
fi
if test "$LEX" != "" -a "$LEX" != ":"; then
ACX_YYLEX_OPTION
fi
if test "$LEX" = "" -o "$LEX" = ":"; then
if test ! -f util/configlexer.c; then
AC_MSG_ERROR([no lex and no util/configlexer.c: need flex and bison to compile from source repository.])
fi
fi
AC_PROG_YACC
if test "$YACC" = "" -o "$YACC" = ":"; then
if test ! -f util/configparser.c; then
AC_MSG_ERROR([no yacc and no util/configparser.c: need flex and bison to compile from source repository.])
fi
fi
AC_CHECK_PROG(doxygen, doxygen, doxygen)
AC_CHECK_TOOL(STRIP, strip)
ACX_LIBTOOL_C_ONLY
# pkg-config is only needed for these options, do not require it otherwise
if test "$enable_systemd" = "yes" -o "$with_pyunbound" = "yes" -o "$with_pythonmod" = "yes"; then
PKG_PROG_PKG_CONFIG
fi
# Checks for header files.
AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h netinet/tcp.h sys/param.h sys/select.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h sys/endian.h libkern/OSByteOrder.h sys/ipc.h sys/shm.h ifaddrs.h poll.h],,, [AC_INCLUDES_DEFAULT])
# net/if.h portability for Darwin see:
# https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Header-Portability.html
AC_CHECK_HEADERS([net/if.h],,, [
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
])
# Check for Apple header. This uncovers TARGET_OS_IPHONE, TARGET_OS_TV or TARGET_OS_WATCH
AC_CHECK_HEADERS([TargetConditionals.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADERS([netioapi.h],,, [AC_INCLUDES_DEFAULT
#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_SYS_UIO_H
#include <sys/uio.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_TCP_H
#include <netinet/tcp.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
])
# Check for Linux timestamping headers
AC_CHECK_HEADERS([linux/net_tstamp.h],,, [AC_INCLUDES_DEFAULT])
# check for types.
# Using own tests for int64* because autoconf builtin only give 32bit.
AC_CHECK_TYPE(int8_t, signed char)
AC_CHECK_TYPE(int16_t, short)
AC_CHECK_TYPE(int32_t, int)
AC_CHECK_TYPE(int64_t, long long)
AC_CHECK_TYPE(uint8_t, unsigned char)
AC_CHECK_TYPE(uint16_t, unsigned short)
AC_CHECK_TYPE(uint32_t, unsigned int)
AC_CHECK_TYPE(uint64_t, unsigned long long)
AC_TYPE_SIZE_T
AC_CHECK_TYPE(ssize_t, int)
AC_TYPE_UID_T
AC_TYPE_PID_T
AC_TYPE_OFF_T
ACX_TYPE_U_CHAR
ACX_TYPE_RLIM_T
ACX_TYPE_SOCKLEN_T
ACX_TYPE_IN_ADDR_T
ACX_TYPE_IN_PORT_T
ACX_CHECK_MEMCMP_SIGNED
AC_CHECK_SIZEOF(time_t,,[
AC_INCLUDES_DEFAULT
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
])
AC_CHECK_SIZEOF(size_t)
# add option to disable the evil rpath
ACX_ARG_RPATH
AC_SUBST(RUNTIME_PATH)
# check to see if libraries are needed for these functions.
AC_SEARCH_LIBS([inet_pton], [nsl])
AC_SEARCH_LIBS([socket], [socket])
# check whether strptime also works
AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether strptime works)
if test c${cross_compiling} = cno; then
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#define _XOPEN_SOURCE 600
#include <time.h>
int main(void) { struct tm tm; char *res;
res = strptime("2010-07-15T00:00:00+00:00", "%t%Y%t-%t%m%t-%t%d%tT%t%H%t:%t%M%t:%t%S%t", &tm);
if (!res) return 2;
res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
if (!res) return 1; return 0; }
]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"],
[eval "ac_cv_c_strptime_works=maybe"])
else
eval "ac_cv_c_strptime_works=maybe"
fi
AC_MSG_RESULT($ac_cv_c_strptime_works)
if test $ac_cv_c_strptime_works = no; then
AC_LIBOBJ(strptime)
else
AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
fi
])dnl
# check some functions of the OS before linking libs (while still runnable).
AC_FUNC_CHOWN
AC_FUNC_FORK
AC_DEFINE(RETSIGTYPE,void,[Return type of signal handlers, but autoconf 2.70 says 'your code may safely assume C89 semantics that RETSIGTYPE is void.'])
AC_FUNC_FSEEKO
ACX_SYS_LARGEFILE
ACX_CHECK_NONBLOCKING_BROKEN
ACX_MKDIR_ONE_ARG
AC_CHECK_FUNCS([strptime],[AC_CHECK_STRPTIME_WORKS],[AC_LIBOBJ([strptime])])
# check if we can use SO_REUSEPORT
reuseport_default=0
if echo "$host" | $GREP -i -e linux >/dev/null; then reuseport_default=1; fi
if echo "$host" | $GREP -i -e dragonfly >/dev/null; then reuseport_default=1; fi
if test "$reuseport_default" = 1; then
AC_DEFINE(REUSEPORT_DEFAULT, 1, [if REUSEPORT is enabled by default])
else
AC_DEFINE(REUSEPORT_DEFAULT, 0, [if REUSEPORT is enabled by default])
fi
# Include systemd.m4 - begin
sinclude(systemd.m4)
# Include systemd.m4 - end
# set memory allocation checking if requested
AC_ARG_ENABLE(alloc-checks, AS_HELP_STRING([--enable-alloc-checks],[ enable to memory allocation statistics, for debug purposes ]),
, )
AC_ARG_ENABLE(alloc-lite, AS_HELP_STRING([--enable-alloc-lite],[ enable for lightweight alloc assertions, for debug purposes ]),
, )
AC_ARG_ENABLE(alloc-nonregional, AS_HELP_STRING([--enable-alloc-nonregional],[ enable nonregional allocs, slow but exposes regional allocations to other memory purifiers, for debug purposes ]),
, )
if test x_$enable_alloc_nonregional = x_yes; then
AC_DEFINE(UNBOUND_ALLOC_NONREGIONAL, 1, [use malloc not regions, for debug use])
fi
if test x_$enable_alloc_checks = x_yes; then
AC_DEFINE(UNBOUND_ALLOC_STATS, 1, [use statistics for allocs and frees, for debug use])
SLDNS_ALLOCCHECK_EXTRA_OBJ="alloc.lo log.lo"
AC_SUBST(SLDNS_ALLOCCHECK_EXTRA_OBJ)
ASYNCLOOK_ALLOCCHECK_EXTRA_OBJ="alloc.lo"
AC_SUBST(ASYNCLOOK_ALLOCCHECK_EXTRA_OBJ)
else
if test x_$enable_alloc_lite = x_yes; then
AC_DEFINE(UNBOUND_ALLOC_LITE, 1, [use to enable lightweight alloc assertions, for debug use])
else
ACX_FUNC_MALLOC([unbound])
fi
fi
# check windows threads (we use them, not pthreads, on windows).
if test "$on_mingw" = "yes"; then
# check windows threads
AC_CHECK_HEADERS([windows.h],,, [AC_INCLUDES_DEFAULT])
AC_MSG_CHECKING([for CreateThread])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
], [
HANDLE t = CreateThread(NULL, 0, NULL, NULL, 0, NULL);
])],
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_WINDOWS_THREADS, 1, [Using Windows threads])
,
AC_MSG_RESULT(no)
)
else
# not on mingw, check thread libraries.
# check for thread library.
# check this first, so that the pthread lib does not get linked in via
# libssl or libpython, and thus distorts the tests, and we end up using
# the non-threadsafe C libraries.
AC_ARG_WITH(pthreads, AS_HELP_STRING([--with-pthreads],[use pthreads library, or --without-pthreads to disable threading support.]),
[ ],[ withval="yes" ])
ub_have_pthreads=no
if test x_$withval != x_no; then
AX_PTHREAD([
AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
if test -n "$PTHREAD_LIBS"; then
LIBS="$PTHREAD_LIBS $LIBS"
fi
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
CC="$PTHREAD_CC"
ub_have_pthreads=yes
AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
AC_CHECK_SIZEOF([unsigned long])
AC_CHECK_SIZEOF(pthread_t)
if echo "$CFLAGS" | $GREP -e "-pthread" >/dev/null; then
AC_MSG_CHECKING([if -pthread unused during linking])
# catch clang warning 'argument unused during compilation'
AC_LANG_CONFTEST([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
[[
int main(void) {return 0;}
]])])
pthread_unused="yes"
# first compile
echo "$CC $CFLAGS -c conftest.c -o conftest.o" >&AS_MESSAGE_LOG_FD
$CC $CFLAGS -c conftest.c -o conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
if test $? = 0; then
# then link
echo "$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest contest.o" >&AS_MESSAGE_LOG_FD
$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
if test $? -ne 0; then
AC_MSG_RESULT(yes)
CFLAGS=`echo "$CFLAGS" | sed -e 's/-pthread//'`
PTHREAD_CFLAGS_ONLY="-pthread"
AC_SUBST(PTHREAD_CFLAGS_ONLY)
else
AC_MSG_RESULT(no)
fi
else
AC_MSG_RESULT(no)
fi # endif cc successful
rm -f conftest conftest.c conftest.o
fi # endif -pthread in CFLAGS
])
fi
# check solaris thread library
AC_ARG_WITH(solaris-threads, AS_HELP_STRING([--with-solaris-threads],[use solaris native thread library.]), [ ],[ withval="no" ])
ub_have_sol_threads=no
if test x_$withval != x_no; then
if test x_$ub_have_pthreads != x_no; then
AC_MSG_WARN([Have pthreads already, ignoring --with-solaris-threads])
else
AC_SEARCH_LIBS(thr_create, [thread],
[
AC_DEFINE(HAVE_SOLARIS_THREADS, 1, [Using Solaris threads])
ACX_CHECK_COMPILER_FLAG(mt, [CFLAGS="$CFLAGS -mt"],
[CFLAGS="$CFLAGS -D_REENTRANT"])
ub_have_sol_threads=yes
] , [
AC_MSG_ERROR([no solaris threads found.])
])
fi
fi
fi # end of non-mingw check of thread libraries
# Check for SYSLOG_FACILITY
AC_ARG_WITH(syslog-facility, AS_HELP_STRING([--with-syslog-facility=LOCAL0 - LOCAL7],[ set SYSLOG_FACILITY, default DAEMON ]),
[ UNBOUND_SYSLOG_FACILITY="$withval" ], [])
case "${UNBOUND_SYSLOG_FACILITY}" in
LOCAL[[0-7]]) UNBOUND_SYSLOG_FACILITY="LOG_${UNBOUND_SYSLOG_FACILITY}" ;;
*) UNBOUND_SYSLOG_FACILITY="LOG_DAEMON" ;;
esac
AC_DEFINE_UNQUOTED(UB_SYSLOG_FACILITY,${UNBOUND_SYSLOG_FACILITY},[the SYSLOG_FACILITY to use, default LOG_DAEMON])
# Check for dynamic library module
AC_ARG_WITH(dynlibmodule,
AS_HELP_STRING([--with-dynlibmodule],[build dynamic library module, or --without-dynlibmodule to disable it. (default=no)]),
[], [ withval="no" ])
if test x_$withval != x_no; then
AC_DEFINE(WITH_DYNLIBMODULE, 1, [Define if you want dynlib module.])
WITH_DYNLIBMODULE=yes
AC_SUBST(WITH_DYNLIBMODULE)
DYNLIBMOD_OBJ="dynlibmod.lo"
AC_SUBST(DYNLIBMOD_OBJ)
DYNLIBMOD_HEADER='$(srcdir)/dynlibmod/dynlibmod.h'
AC_SUBST(DYNLIBMOD_HEADER)
if test $on_mingw = "no"; then
# link with -ldl if not already there, for all executables because
# dlopen call is in the dynlib module. For unbound executable, also
# export symbols.
AC_SEARCH_LIBS([dlopen], [dl])
DYNLIBMOD_EXTRALIBS="-export-dynamic"
else
DYNLIBMOD_EXTRALIBS="-Wl,--export-all-symbols,--out-implib,libunbound.dll.a"
fi
AC_SUBST(DYNLIBMOD_EXTRALIBS)
fi
# Check for PyUnbound
AC_ARG_WITH(pyunbound,
AS_HELP_STRING([--with-pyunbound],[build PyUnbound, or --without-pyunbound to skip it. (default=no)]),
[], [ withval="no" ])
ub_test_python=no
ub_with_pyunbound=no
if test x_$withval != x_no; then
ub_with_pyunbound=yes
ub_test_python=yes
fi
# Check for Python module
AC_ARG_WITH(pythonmodule,
AS_HELP_STRING([--with-pythonmodule],[build Python module, or --without-pythonmodule to disable script engine. (default=no)]),
[], [ withval="no" ])
ub_with_pythonmod=no
if test x_$withval != x_no; then
ub_with_pythonmod=yes
ub_test_python=yes
fi
# Check for Python & SWIG only on PyUnbound or PyModule
if test x_$ub_test_python != x_no; then
# Check for Python
ub_have_python=no
ac_save_LIBS="$LIBS" dnl otherwise AC_PYTHON_DEVEL thrashes $LIBS
AC_PYTHON_DEVEL
if test ! -z "$PYTHON_VERSION"; then
badversion="no"
if test "$PYTHON_VERSION_MAJOR" -lt 2; then
badversion="yes"
fi
if test "$PYTHON_VERSION_MAJOR" -eq 2 -a "$PYTHON_VERSION_MINOR" -lt 4; then
badversion="yes"
fi
if test "$badversion" = "yes"; then
AC_MSG_ERROR([Python version >= 2.4.0 is required])
fi
[PY_MAJOR_VERSION="`$PYTHON -c \"import sys; print(sys.version_info[0])\"`"]
AC_SUBST(PY_MAJOR_VERSION)
# Have Python
AC_DEFINE(HAVE_PYTHON,1,[Define if you have Python libraries and header files.])
if test x_$ub_with_pythonmod != x_no; then
if test -n "$LIBS"; then
LIBS="$PYTHON_LDFLAGS $LIBS"
else
LIBS="$PYTHON_LDFLAGS"
fi
fi
PYTHON_LIBS="$PYTHON_LDFLAGS"
AC_SUBST(PYTHON_LIBS)
if test -n "$CPPFLAGS"; then
CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
else
CPPFLAGS="$PYTHON_CPPFLAGS"
fi
if test "$PYTHON_LIBDIR" != "/usr/lib" -a "$PYTHON_LIBDIR" != "" -a "$PYTHON_LIBDIR" != "/usr/lib64"; then
ACX_RUNTIME_PATH_ADD([$PYTHON_LIBDIR])
fi
ub_have_python=yes
PKG_CHECK_EXISTS(["python${PY_MAJOR_VERSION}"],
[PC_PY_DEPENDENCY="python${PY_MAJOR_VERSION}"],
[PC_PY_DEPENDENCY="python"])
AC_SUBST(PC_PY_DEPENDENCY)
# Check for SWIG
ub_have_swig=no
AC_ARG_ENABLE(swig-version-check, AS_HELP_STRING([--disable-swig-version-check],[Disable swig version check to build python modules with older swig even though that is unreliable]))
if test "$enable_swig_version_check" = "yes"; then
AC_PROG_SWIG(2.0.1)
else
AC_PROG_SWIG
fi
AC_MSG_CHECKING(SWIG)
if test ! -x "$SWIG"; then
AC_MSG_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
else
AC_DEFINE(HAVE_SWIG, 1, [Define if you have Swig libraries and header files.])
AC_SUBST(swig, "$SWIG")
AC_MSG_RESULT(present)
# If have Python & SWIG
# Declare PythonMod
if test x_$ub_with_pythonmod != x_no; then
AC_DEFINE(WITH_PYTHONMODULE, 1, [Define if you want Python module.])
WITH_PYTHONMODULE=yes
AC_SUBST(WITH_PYTHONMODULE)
PYTHONMOD_OBJ="pythonmod.lo pythonmod_utils.lo"
AC_SUBST(PYTHONMOD_OBJ)
PYTHONMOD_HEADER='$(srcdir)/pythonmod/pythonmod.h'
AC_SUBST(PYTHONMOD_HEADER)
PYTHONMOD_INSTALL=pythonmod-install
AC_SUBST(PYTHONMOD_INSTALL)
PYTHONMOD_UNINSTALL=pythonmod-uninstall
AC_SUBST(PYTHONMOD_UNINSTALL)
fi
# Declare PyUnbound
if test x_$ub_with_pyunbound != x_no; then
AC_DEFINE(WITH_PYUNBOUND, 1, [Define if you want PyUnbound.])
WITH_PYUNBOUND=yes
AC_SUBST(WITH_PYUNBOUND)
PYUNBOUND_OBJ="libunbound_wrap.lo"
AC_SUBST(PYUNBOUND_OBJ)
PYUNBOUND_TARGET="_unbound.la"
AC_SUBST(PYUNBOUND_TARGET)
PYUNBOUND_INSTALL=pyunbound-install
AC_SUBST(PYUNBOUND_INSTALL)
PYUNBOUND_UNINSTALL=pyunbound-uninstall
AC_SUBST(PYUNBOUND_UNINSTALL)
fi
fi
else
AC_MSG_RESULT([*** Python libraries not found, won't build PythonMod or PyUnbound ***])
ub_with_pyunbound=no
ub_with_pythonmod=no
fi
fi
if test "`uname`" = "NetBSD"; then
NETBSD_LINTFLAGS='"-D__RENAME(x)=" -D_NETINET_IN_H_'
AC_SUBST(NETBSD_LINTFLAGS)
fi
if test "`uname`" = "Linux"; then
# splint cannot parse modern c99 header files
GCC_DOCKER_LINTFLAGS='-syntax'
AC_SUBST(GCC_DOCKER_LINTFLAGS)
fi
CONFIG_DATE=`date +%Y%m%d`
AC_SUBST(CONFIG_DATE)
# Checks for libraries.
# libnss
USE_NSS="no"
AC_ARG_WITH([nss], AS_HELP_STRING([--with-nss=path],[use libnss instead of openssl, installed at path.]),
[
USE_NSS="yes"
AC_DEFINE(HAVE_NSS, 1, [Use libnss for crypto])
if test "$withval" != "" -a "$withval" != "yes"; then
CPPFLAGS="$CPPFLAGS -I$withval/include/nss3"
LDFLAGS="$LDFLAGS -L$withval/lib"
ACX_RUNTIME_PATH_ADD([$withval/lib])
CPPFLAGS="-I$withval/include/nspr4 $CPPFLAGS"
else
CPPFLAGS="$CPPFLAGS -I/usr/include/nss3"
CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
fi
LIBS="$LIBS -lnss3 -lnspr4"
SSLLIB=""
PC_CRYPTO_DEPENDENCY="nss nspr"
AC_SUBST(PC_CRYPTO_DEPENDENCY)
]
)
# libnettle
USE_NETTLE="no"
AC_ARG_WITH([nettle], AS_HELP_STRING([--with-nettle=path],[use libnettle as crypto library, installed at path.]),
[
USE_NETTLE="yes"
AC_DEFINE(HAVE_NETTLE, 1, [Use libnettle for crypto])
AC_CHECK_HEADERS([nettle/dsa-compat.h],,, [AC_INCLUDES_DEFAULT])
if test "$withval" != "" -a "$withval" != "yes"; then
CPPFLAGS="$CPPFLAGS -I$withval/include/nettle"
LDFLAGS="$LDFLAGS -L$withval/lib"
ACX_RUNTIME_PATH_ADD([$withval/lib])
else
CPPFLAGS="$CPPFLAGS -I/usr/include/nettle"
fi
LIBS="$LIBS -lhogweed -lnettle -lgmp"
SSLLIB=""
PC_CRYPTO_DEPENDENCY="hogweed nettle"
AC_SUBST(PC_CRYPTO_DEPENDENCY)
]
)
# openssl
if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
ACX_WITH_SSL
ACX_LIB_SSL
SSLLIB="-lssl"
PC_CRYPTO_DEPENDENCY=""
AC_SUBST(PC_CRYPTO_DEPENDENCY)
# check if -lcrypt32 is needed because CAPIENG needs that. (on windows)
BAKLIBS="$LIBS"
LIBS="-lssl $LIBS"
AC_MSG_CHECKING([if libssl needs -lcrypt32])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
int EVP_sha256(void);
(void)EVP_sha256();
]])], [
AC_MSG_RESULT([no])
LIBS="$BAKLIBS"
], [
AC_MSG_RESULT([yes])
LIBS="$BAKLIBS"
LIBS="$LIBS -lcrypt32"
])
AC_MSG_CHECKING([for LibreSSL])
if grep VERSION_TEXT $ssldir_include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL])
# libressl provides these compat functions, but they may also be
# declared by the OS in libc. See if they have been declared.
AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform])
else
AC_MSG_RESULT([no])
fi
AC_CHECK_HEADERS([openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h openssl/core_names.h openssl/param_build.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_default_properties_is_fips_enabled EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ENGINE_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup DSA_SIG_set0 EVP_dss1 EVP_DigestVerify EVP_aes_256_cbc EVP_EncryptInit_ex HMAC_Init_ex CRYPTO_THREADID_set_callback EVP_MAC_CTX_set_params OSSL_PARAM_BLD_new BIO_set_callback_ex])
# these check_funcs need -lssl
BAKLIBS="$LIBS"
LIBS="-lssl $LIBS"
AC_CHECK_FUNCS([OPENSSL_init_ssl SSL_CTX_set_security_level SSL_set1_host SSL_get0_peername X509_VERIFY_PARAM_set1_host SSL_CTX_set_ciphersuites SSL_CTX_set_tlsext_ticket_key_evp_cb SSL_CTX_set_alpn_select_cb SSL_get0_alpn_selected SSL_CTX_set_alpn_protos SSL_get1_peer_certificate])
LIBS="$BAKLIBS"
AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [
AC_INCLUDES_DEFAULT
#ifdef HAVE_OPENSSL_ERR_H
#include <openssl/err.h>
#endif
#ifdef HAVE_OPENSSL_RAND_H
#include <openssl/rand.h>
#endif
#ifdef HAVE_OPENSSL_CONF_H
#include <openssl/conf.h>
#endif
#ifdef HAVE_OPENSSL_ENGINE_H
#include <openssl/engine.h>
#endif
#include <openssl/ssl.h>
#include <openssl/evp.h>
])
if test "$ac_cv_func_HMAC_Init_ex" = "yes"; then
# check function return type.
AC_MSG_CHECKING(the return type of HMAC_Init_ex)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#ifdef HAVE_OPENSSL_ERR_H
#include <openssl/err.h>
#endif
#ifdef HAVE_OPENSSL_RAND_H
#include <openssl/rand.h>
#endif
#ifdef HAVE_OPENSSL_CONF_H
#include <openssl/conf.h>
#endif
#ifdef HAVE_OPENSSL_ENGINE_H
#include <openssl/engine.h>
#endif
#include <openssl/ssl.h>
#include <openssl/evp.h>
], [
HMAC_CTX* hmac_ctx = NULL;
void* hmac_key = NULL;
const EVP_MD* digest = NULL;
int x = HMAC_Init_ex(hmac_ctx, hmac_key, 32, digest, NULL);
(void)x;
])], [
AC_MSG_RESULT(int)
], [
AC_MSG_RESULT(void)
AC_DEFINE([HMAC_INIT_EX_RETURNS_VOID], 1, [If HMAC_Init_ex() returns void])
])