1AC_PREREQ([2.69]) 2 3m4_define([knot_VERSION_MAJOR], 3)dnl 4m4_define([knot_VERSION_MINOR], 1)dnl 5m4_define([knot_VERSION_PATCH], 5)dnl Leave empty if the master branch! 6m4_include([m4/knot-version.m4]) 7 8AC_INIT([knot], [knot_PKG_VERSION], [knot-dns@labs.nic.cz]) 9AM_INIT_AUTOMAKE([foreign std-options subdir-objects no-dist-gzip dist-xz -Wall -Werror]) 10AM_SILENT_RULES([yes]) 11AC_CONFIG_SRCDIR([src/knot]) 12AC_CONFIG_HEADERS([src/config.h]) 13AC_CONFIG_MACRO_DIR([m4]) 14AC_USE_SYSTEM_EXTENSIONS 15AC_CANONICAL_HOST 16 17# Update library versions 18# https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html 19KNOT_LIB_VERSION([libknot], 12, 0, 0) 20KNOT_LIB_VERSION([libdnssec], 8, 0, 0) 21KNOT_LIB_VERSION([libzscanner], 4, 0, 0) 22 23AC_SUBST([KNOT_VERSION_MAJOR], knot_VERSION_MAJOR) 24AC_SUBST([KNOT_VERSION_MINOR], knot_VERSION_MINOR) 25AC_SUBST([KNOT_VERSION_PATCH], knot_VERSION_PATCH) 26 27# Store ./configure parameters and CFLAGS 28AC_DEFINE_UNQUOTED([CONFIGURE_PARAMS],["$*"],[Params passed to configure]) 29AC_DEFINE_UNQUOTED([CONFIGURE_CFLAGS],["$CFLAGS"],[Passed CFLAGS from environment]) 30 31AC_CONFIG_FILES([src/libknot/version.h 32 src/libdnssec/version.h 33 src/libzscanner/version.h]) 34 35# Automatically update release date based on NEWS 36AC_PROG_SED 37release_date=$($SED -n 's/^Knot DNS .* (\(.*\))/\1/p;q;' ${srcdir}/NEWS) 38AC_SUBST([RELEASE_DATE], $release_date) 39 40# Set compiler compatibility flags 41AC_PROG_CC_C99 # AC_PROG_CC not supported by CentOS 7 42AM_PROG_CC_C_O # Needed by CentOS 7 43AC_PROG_CPP_WERROR 44 45# Set default CFLAGS 46CFLAGS="$CFLAGS -Wall -Wshadow -Werror=format-security -Werror=implicit -Werror=attributes -Wstrict-prototypes" 47 48AX_CHECK_COMPILE_FLAG("-fpredictive-commoning", [CFLAGS="$CFLAGS -fpredictive-commoning"], [], "-Werror") 49AX_CHECK_LINK_FLAG(["-Wl,--exclude-libs,ALL"], [ldflag_exclude_libs="-Wl,--exclude-libs,ALL"], [ldflag_exclude_libs=""], "") 50AC_SUBST([LDFLAG_EXCLUDE_LIBS], $ldflag_exclude_libs) 51 52# Get processor byte ordering 53AC_C_BIGENDIAN([endianity=big-endian], [endianity=little-endian]) 54AS_IF([test "$endianity" = "little-endian"],[ 55 AC_DEFINE([ENDIANITY_LITTLE], [1], [System is little-endian.])]) 56 57# Check if an archiver is available 58m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) 59 60AC_PROG_INSTALL 61 62# Initialize libtool 63LT_INIT 64 65# Use pkg-config 66PKG_PROG_PKG_CONFIG 67m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR], [AC_SUBST([pkgconfigdir], ['${libdir}/pkgconfig'])]) 68AC_CONFIG_FILES([src/knotd.pc 69 src/libknot.pc 70 src/libdnssec.pc 71 src/libzscanner.pc 72 ]) 73 74# Default directories 75knot_prefix=$ac_default_prefix 76AS_IF([test "$prefix" != NONE], [knot_prefix=$prefix]) 77 78run_dir="${localstatedir}/run/knot" 79AC_ARG_WITH([rundir], 80 AS_HELP_STRING([--with-rundir=path], [Path to run-time variable data (pid, sockets...). [default=LOCALSTATEDIR/run/knot]]), 81 [run_dir=$withval]) 82AC_SUBST(run_dir) 83 84storage_dir="${localstatedir}/lib/knot" 85AC_ARG_WITH([storage], 86 AS_HELP_STRING([--with-storage=path], [Default storage directory (slave zones, persistent data). [default=LOCALSTATEDIR/lib/knot]]), 87 [storage_dir=$withval]) 88AC_SUBST(storage_dir) 89 90config_dir="${sysconfdir}/knot" 91AC_ARG_WITH([configdir], 92 AS_HELP_STRING([--with-configdir=path], [Default directory for configuration. [default=SYSCONFDIR/knot]]), 93 [config_dir=$withval]) 94AC_SUBST(config_dir) 95 96module_dir= 97module_instdir="${libdir}/knot/modules-${KNOT_VERSION_MAJOR}.${KNOT_VERSION_MINOR}" 98AC_ARG_WITH([moduledir], 99 AS_HELP_STRING([--with-moduledir=path], [Path to auto-loaded dynamic modules. [default not set]]), 100 [module_dir=$withval module_instdir=$module_dir]) 101AC_SUBST(module_instdir) 102AC_SUBST(module_dir) 103 104# Build Knot DNS daemon 105AC_ARG_ENABLE([daemon], 106 AS_HELP_STRING([--disable-daemon], [Don't build Knot DNS main daemon]), [], [enable_daemon=yes]) 107AM_CONDITIONAL([HAVE_DAEMON], [test "$enable_daemon" = "yes"]) 108 109# Build Knot DNS modules 110AC_ARG_ENABLE([modules], 111 AS_HELP_STRING([--disable-modules], [Don't build Knot DNS modules]), [], [enable_modules=yes]) 112 113# Build Knot DNS utilities 114AC_ARG_ENABLE([utilities], 115 AS_HELP_STRING([--disable-utilities], [Don't build Knot DNS utilities]), [], [enable_utilities=yes]) 116AM_CONDITIONAL([HAVE_UTILS], [test "$enable_utilities" = "yes"]) 117 118# Build Knot DNS documentation 119AC_ARG_ENABLE([documentation], 120 AS_HELP_STRING([--disable-documentation], [Don't build Knot DNS documentation]), [], [enable_documentation=yes]) 121AM_CONDITIONAL([HAVE_DOCS], [test "$enable_documentation" = "yes"]) 122 123AM_CONDITIONAL([HAVE_LIBUTILS], test "$enable_utilities" != "no" -o \ 124 "$enable_daemon" != "no") 125###################### 126# Generic dependencies 127###################### 128 129AC_ARG_ENABLE([fastparser], 130 AS_HELP_STRING([--disable-fastparser], [Disable use of fast zone parser]), 131 [], [AS_IF([test -d ".git"], [enable_fastparser=no], [enable_fastparser=yes])] 132) 133AM_CONDITIONAL([FAST_PARSER], [test "$enable_fastparser" = "yes"]) 134 135# GnuTLS crypto backend 136PKG_CHECK_MODULES([gnutls], [gnutls >= 3.3], [ 137 save_CFLAGS=$CFLAGS 138 save_LIBS=$LIBS 139 CFLAGS="$CFLAGS $gnutls_CFLAGS" 140 LIBS="$LIBS $gnutls_LIBS" 141 142 AC_CHECK_FUNC([gnutls_pkcs11_copy_pubkey], [enable_pkcs11=yes], [enable_pkcs11=no]) 143 AS_IF([test "$enable_pkcs11" = yes], 144 [AC_DEFINE([ENABLE_PKCS11], [1], [PKCS #11 support available])]) 145 146 AC_CHECK_DECL([GNUTLS_PK_EDDSA_ED25519], 147 [AC_DEFINE([HAVE_ED25519], [1], [GnuTLS ED25519 support available]) 148 enable_ed25519=yes], 149 [enable_ed25519=no], 150 [#include <gnutls/gnutls.h>]) 151 152 AC_CHECK_DECL([GNUTLS_SIGN_EDDSA_ED448], 153 [AC_DEFINE([HAVE_ED448], [1], [GnuTLS ED448 support available]) 154 enable_ed448=yes], 155 [enable_ed448=no], 156 [#include <gnutls/gnutls.h>]) 157 158 AC_CHECK_DECL([GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE], 159 [AC_DEFINE([HAVE_GLNUTLS_REPRODUCIBLE], [1], [GnuTLS reproducible signing available]) 160 # Ensure the version is at least 3.6.10 161 AC_CHECK_FUNC([gnutls_aead_cipher_encryptv2], [enable_repro_signing=yes], [enable_repro_signing=no])], 162 [enable_repro_signing=no], 163 [#include <gnutls/abstract.h>]) 164 165 AC_CHECK_FUNC([gnutls_privkey_sign_data2], 166 [AC_DEFINE([HAVE_SIGN_DATA2], [1], [gnutls_privkey_sign_data2 available])]) 167 168 AC_CHECK_FUNC([gnutls_privkey_export_x509], 169 [AC_DEFINE([HAVE_EXPORT_X509], [1], [gnutls_privkey_export_x509 available])]) 170 171 AC_CHECK_FUNC([gnutls_memset], 172 [AC_DEFINE([HAVE_GNUTLS_MEMSET], [1], [gnutls_memset available]) 173 gnutls_memset=yes], [gnutls_memset=no]) 174 175 CFLAGS=$save_CFLAGS 176 LIBS=$save_LIBS 177]) 178AM_CONDITIONAL([ENABLE_PKCS11], [test "$enable_pkcs11" = "yes"]) 179 180AC_ARG_ENABLE([recvmmsg], 181 AS_HELP_STRING([--enable-recvmmsg=auto|yes|no], [enable recvmmsg() network API [default=auto]]), 182 [], [enable_recvmmsg=auto]) 183 184AS_CASE([$enable_recvmmsg], 185 [auto|yes],[ 186 AC_CHECK_FUNC([recvmmsg], 187 [AC_CHECK_FUNC([sendmmsg],[enable_recvmmsg=yes],[enable_recvmmsg=no])], 188 [enable_recvmmsg=no])], 189 [no],[], 190 [*], [AC_MSG_ERROR([Invalid value of --enable-recvmmsg.] 191 )]) 192 193AS_IF([test "$enable_recvmmsg" = yes],[ 194 AC_DEFINE([ENABLE_RECVMMSG], [1], [Use recvmmsg().])]) 195 196# XDP support 197AC_ARG_ENABLE([xdp], 198 AS_HELP_STRING([--enable-xdp=auto|yes|no], [enable eXpress Data Path [default=auto]]), 199 [], [enable_xdp=auto]) 200 201AS_CASE([$enable_xdp], 202 [auto], [PKG_CHECK_MODULES([libbpf], [libbpf >= 0.0.6], [enable_xdp=yes], [enable_xdp=no])], 203 [yes], [PKG_CHECK_MODULES([libbpf], [libbpf >= 0.0.6], [enable_xdp=yes], 204 [PKG_CHECK_MODULES([libelf], [libelf], 205 [AC_CHECK_FUNC([reallocarray], 206 [enable_xdp=embedded 207 embedded_libbpf_CFLAGS="-I\$(top_srcdir)/src/contrib/libbpf/include -I\$(top_srcdir)/src/contrib/libbpf/include/uapi" 208 embedded_libbpf_LIBS=$libelf_LIBS 209 libbpf_CFLAGS="-I\$(top_srcdir)/src/contrib/libbpf -I\$(top_srcdir)/src/contrib/libbpf/include/uapi"], 210 [enable_xdp=no 211 AC_MSG_WARN([reallocarray not available])])], 212 [AC_MSG_ERROR([libelf is required])])])], 213 [no], [], 214 [*], [AC_MSG_ERROR([Invalid value of --enable-xdp.])] 215) 216AM_CONDITIONAL([EMBEDDED_LIBBPF], [test "$enable_xdp" = "embedded"]) 217AM_CONDITIONAL([ENABLE_XDP], [test "$enable_xdp" != "no"]) 218AC_SUBST([embedded_libbpf_CFLAGS]) 219AC_SUBST([embedded_libbpf_LIBS]) 220AC_SUBST([libbpf_CFLAGS]) 221AC_SUBST([libbpf_LIBS]) 222 223AS_IF([test "$enable_xdp" != "no"],[ 224 AC_DEFINE([ENABLE_XDP], [1], [Use eXpress Data Path.])]) 225 226# Reuseport support 227AS_CASE([$host_os], 228 [freebsd*], [reuseport_opt=SO_REUSEPORT_LB], 229 [*], [reuseport_opt=SO_REUSEPORT], 230) 231 232AC_ARG_ENABLE([reuseport], 233 AS_HELP_STRING([--enable-reuseport=auto|yes|no], 234 [enable SO_REUSEPORT(_LB) support [default=auto]]), 235 [], [enable_reuseport=auto] 236) 237 238AS_CASE([$enable_reuseport], 239 [auto], [ 240 AS_CASE([$host_os], 241 [freebsd*|linux*], [AC_CHECK_DECL([$reuseport_opt], 242 [enable_reuseport=yes], 243 [enable_reuseport=no], 244 [#include <sys/socket.h> 245 ])], 246 [*], [enable_reuseport=no] 247 )], 248 [yes], [AC_CHECK_DECL([$reuseport_opt], [], 249 [AC_MSG_ERROR([SO_REUSEPORT(_LB) not supported.])], 250 [#include <sys/socket.h> 251 ])], 252 [no], [], 253 [*], [AC_MSG_ERROR([Invalid value of --enable-reuseport.])] 254) 255 256AS_IF([test "$enable_reuseport" = yes],[ 257 AC_DEFINE([ENABLE_REUSEPORT], [1], [Use SO_REUSEPORT(_LB).])]) 258 259######################################### 260# Dependencies needed for Knot DNS daemon 261######################################### 262 263# Systemd integration 264AC_ARG_ENABLE([systemd], 265 AS_HELP_STRING([--enable-systemd=auto|yes|no], [enable systemd integration [default=auto]]), 266 [enable_systemd="$enableval"], [enable_systemd=auto]) 267 268AS_IF([test "$enable_daemon" = "yes"],[ 269 270AS_IF([test "$enable_systemd" != "no"],[ 271 AS_CASE([$enable_systemd], 272 [auto],[PKG_CHECK_MODULES([systemd], [libsystemd], [enable_systemd=yes], [ 273 PKG_CHECK_MODULES([systemd], [libsystemd-daemon libsystemd-journal], [enable_systemd=yes], [enable_systemd=no])])], 274 [yes],[PKG_CHECK_MODULES([systemd], [libsystemd], [], [ 275 PKG_CHECK_MODULES([systemd], [libsystemd-daemon libsystemd-journal])])], 276 [*],[AC_MSG_ERROR([Invalid value of --enable-systemd.])]) 277 ]) 278 279AS_IF([test "$enable_systemd" = "yes"],[ 280 AC_DEFINE([ENABLE_SYSTEMD], [1], [Use systemd integration.])]) 281 282]) dnl enable_daemon 283 284# Socket polling method 285socket_polling= 286AC_ARG_WITH([socket-polling], 287 AS_HELP_STRING([--with-socket-polling=auto|poll|epoll|kqueue|libkqueue], 288 [Use specific socket polling method [default=auto]]), 289 [socket_polling=$withval], [socket_polling=auto] 290) 291 292AS_CASE([$socket_polling], 293 [auto], [AC_CHECK_FUNCS([kqueue], 294 [AC_DEFINE([HAVE_KQUEUE], [1], [kqueue available]) 295 socket_polling=kqueue], 296 [AC_CHECK_FUNCS([epoll_create], 297 [AC_DEFINE([HAVE_EPOLL], [1], [epoll available]) 298 socket_polling=epoll], 299 [socket_polling=poll])])], 300 [poll], [socket_polling=poll], 301 [epoll], [AC_CHECK_FUNCS([epoll_create], 302 [AC_DEFINE([HAVE_EPOLL], [1], [epoll available]) 303 socket_polling=epoll], 304 [AC_MSG_ERROR([epoll not available.])])], 305 [kqueue], [AC_CHECK_FUNCS([kqueue], 306 [AC_DEFINE([HAVE_KQUEUE], [1], [kqueue available]) 307 socket_polling=kqueue], 308 [AC_MSG_ERROR([kqueue not available.])])], 309 [libkqueue], [PKG_CHECK_MODULES([libkqueue], [libkqueue], 310 [AC_DEFINE([HAVE_KQUEUE], [1], [libkqueue available]) 311 socket_polling=libkqueue], 312 [AC_MSG_ERROR([libkqueue not available.])])], 313 [*], [AC_MSG_ERROR([Invalid value of --socket-polling.])] 314) 315 316# Alternative memory allocator 317malloc_LIBS= 318AC_ARG_WITH([memory-allocator], 319 AS_HELP_STRING([--with-memory-allocator=auto|LIBRARY], 320 [Use specific memory allocator for the server (e.g. jemalloc) [default=auto]]), 321 AS_CASE([$withval], 322 [auto], [], 323 [*], [malloc_LIBS="-l$withval"] 324 ) 325 with_memory_allocator=[$withval] 326) 327AS_IF([test "$with_memory_allocator" = ""], [with_memory_allocator="auto"]) 328AC_SUBST([malloc_LIBS]) 329 330dnl Check for userspace-rcu library 331AC_ARG_WITH(urcu, 332[ --with-urcu=DIR where to find userspace-rcu library]) 333 334AS_IF([test "$enable_daemon" = "yes"],[ 335 336AS_IF([test "$with_urcu" != "no"], [ 337 PKG_CHECK_MODULES([liburcu], liburcu, [ 338 liburcu_PKGCONFIG="liburcu >= 0.4.0" 339 AC_SUBST([liburcu_PKGCONFIG]) 340 with_urcu=yes 341 ],[ 342 for try_urcu in "$with_urcu" "" "/usr/local"; do 343 save_LIBS="$LIBS" 344 save_CPPFLAGS="$CPPFLAGS" 345 346 AS_IF([test -d "$try_urcu"], [ 347 liburcu_CFLAGS="-I$try_urcu/include" 348 liburcu_LIBS="-L$try_urcu/lib" 349 ],[ 350 liburcu_CFLAGS="" 351 liburcu_LIBS="" 352 ]) 353 354 CPPFLAGS="$CPPFLAGS $liburcu_CFLAGS" 355 LIBS="$LIBS $liburcu_LIBS" 356 357 AC_SEARCH_LIBS([rcu_set_pointer_sym], [urcu], [ 358 with_urcu=yes 359 liburcu_LIBS="$liburcu_LIBS -lurcu" 360 AC_SUBST([liburcu_CFLAGS]) 361 AC_SUBST([liburcu_LIBS]) 362 break 363 ],[ 364 CPPFLAGS="$save_CPPFLAGS" 365 LIBS="$save_LIBS" 366 with_urcu=no 367 # do not cache result of AC_SEARCH_LIBS test 368 unset ac_cv_search_rcu_set_pointer_sym 369 ]) 370 done 371 CPPFLAGS="$save_CPPFLAGS" 372 LIBS="$save_LIBS" 373 374 AS_IF([test "$with_urcu" = "no"],[ 375 AC_MSG_ERROR([liburcu is required]) 376 ]) 377 ]) 378]) 379 380]) 381 382static_modules="" 383shared_modules="" 384static_modules_declars="" 385static_modules_init="" 386doc_modules="" 387 388KNOT_MODULE([cookies], "yes") 389KNOT_MODULE([dnsproxy], "yes", "non-shareable") 390KNOT_MODULE([dnstap], "no") 391KNOT_MODULE([geoip], "yes") 392KNOT_MODULE([noudp], "yes") 393KNOT_MODULE([onlinesign], "yes", "non-shareable") 394KNOT_MODULE([probe], "yes") 395KNOT_MODULE([queryacl], "yes") 396KNOT_MODULE([rrl], "yes") 397KNOT_MODULE([stats], "yes") 398KNOT_MODULE([synthrecord], "yes") 399KNOT_MODULE([whoami], "yes") 400 401AC_SUBST([STATIC_MODULES_DECLARS], [$(printf "$static_modules_declars")]) 402AM_SUBST_NOTMAKE([STATIC_MODULES_DECLARS]) 403AC_SUBST([STATIC_MODULES_INIT], [$(printf "$static_modules_init")]) 404AM_SUBST_NOTMAKE([STATIC_MODULES_INIT]) 405AC_SUBST([DOC_MODULES], [$(printf "$doc_modules")]) 406AM_SUBST_NOTMAKE([DOC_MODULES]) 407 408# Check for Dnstap 409AC_ARG_ENABLE([dnstap], 410 AS_HELP_STRING([--enable-dnstap], [Enable dnstap support for kdig (requires fstrm, protobuf-c)]), 411 [], [enable_dnstap=no]) 412 413AS_IF([test "$enable_dnstap" != "no" -o "$STATIC_MODULE_dnstap" != "no" -o "$SHARED_MODULE_dnstap" != "no"],[ 414 AC_PATH_PROG([PROTOC_C], [protoc-c]) 415 AS_IF([test -z "$PROTOC_C"],[ 416 AC_MSG_ERROR([The protoc-c program was not found. Please install protobuf-c!]) 417 ]) 418 PKG_CHECK_MODULES([libfstrm], [libfstrm]) 419 PKG_CHECK_MODULES([libprotobuf_c], [libprotobuf-c >= 1.0.0]) 420 AC_SUBST([DNSTAP_CFLAGS], ["$libfstrm_CFLAGS $libprotobuf_c_CFLAGS"]) 421 AC_SUBST([DNSTAP_LIBS], ["$libfstrm_LIBS $libprotobuf_c_LIBS"]) 422]) 423 424AS_IF([test "$enable_dnstap" != "no"],[ 425 AC_DEFINE([USE_DNSTAP], [1], [Define to 1 to enable dnstap support for kdig]) 426]) 427AM_CONDITIONAL([HAVE_DNSTAP], test "$enable_dnstap" != "no") 428 429AM_CONDITIONAL([HAVE_LIBDNSTAP], test "$enable_dnstap" != "no" -o \ 430 "$STATIC_MODULE_dnstap" != "no" -o \ 431 "$SHARED_MODULE_dnstap" != "no") 432# MaxMind DB for the GeoIP module 433AC_ARG_ENABLE([maxminddb], 434 AS_HELP_STRING([--enable-maxminddb=auto|yes|no], [enable MaxMind DB [default=auto]]), 435 [enable_maxminddb="$enableval"], [enable_maxminddb=auto]) 436 437AS_IF([test "$enable_daemon" = "no"],[enable_maxminddb=no]) 438AS_CASE([$enable_maxminddb], 439 [no],[], 440 [auto],[PKG_CHECK_MODULES([libmaxminddb], [libmaxminddb], [enable_maxminddb=yes], [enable_maxminddb=no])], 441 [yes], [PKG_CHECK_MODULES([libmaxminddb], [libmaxminddb])], 442 [*],[ 443 save_CFLAGS="$CFLAGS" 444 save_LIBS="$LIBS" 445 AS_IF([test "$enable_maxminddb" != ""],[ 446 LIBS="$LIBS -L$enable_maxminddb" 447 CFLAGS="$CFLAGS -I$enable_maxminddb/include" 448 ]) 449 AC_SEARCH_LIBS([MMDB_open], [maxminddb], [ 450 AS_IF([test "$enable_maxminddb" != ""], [ 451 libmaxminddb_CFLAGS="-I$enable_maxminddb/include" 452 libmaxminddb_LIBS="-L$enable_maxminddb -lmaxminddb" 453 ],[ 454 libmaxminddb_CFLAGS="" 455 libmaxminddb_LIBS="$ac_cv_search_MMDB_open" 456 ]) 457 ],[AC_MSG_ERROR("not found in `$enable_maxminddb'")]) 458 CFLAGS="$save_CFLAGS" 459 LIBS="$save_LIBS" 460 AC_SUBST([libmaxminddb_CFLAGS]) 461 AC_SUBST([libmaxminddb_LIBS]) 462 enable_maxminddb=yes 463 ]) 464 465AS_IF([test "$enable_maxminddb" = yes], [AC_DEFINE([HAVE_MAXMINDDB], [1], [Define to 1 to enable MaxMind DB.])]) 466AM_CONDITIONAL([HAVE_MAXMINDDB], [test "$enable_maxminddb" = yes]) 467 468AC_ARG_WITH([lmdb], 469 [AS_HELP_STRING([--with-lmdb=DIR], [explicit location where to find LMDB])] 470) 471PKG_CHECK_MODULES([lmdb], [lmdb >= 0.9.15], [], [ 472 save_CPPFLAGS=$CPPFLAGS 473 save_LIBS=$LIBS 474 475 have_lmdb=no 476 477 for try_lmdb in "$with_lmdb" "" "/usr/local" "/usr/pkg"; do 478 AS_IF([test -d "$try_lmdb"], [ 479 lmdb_CFLAGS="-I$try_lmdb/include" 480 lmdb_LIBS="-L$try_lmdb/lib" 481 ],[ 482 lmdb_CFLAGS="" 483 lmdb_LIBS="" 484 ]) 485 486 CPPFLAGS="$save_CPPFLAGS $lmdb_CFLAGS" 487 LIBS="$save_LIBS $lmdb_LIBS" 488 489 AC_SEARCH_LIBS([mdb_txn_id], [lmdb], [ 490 have_lmdb=yes 491 lmdb_LIBS="$lmdb_LIBS -llmdb" 492 AC_SUBST([lmdb_CFLAGS]) 493 AC_SUBST([lmdb_LIBS]) 494 break 495 ]) 496 497 # do not cache result of AC_SEARCH_LIBS test 498 unset ac_cv_search_mdb_txn_id 499 done 500 501 CPPFLAGS="$save_CPPFLAGS" 502 LIBS="$save_LIBS" 503 504 AS_IF([test "$have_lmdb" = "no"], [ 505 AC_MSG_ERROR([lmdb library not found]) 506 ]) 507]) 508 509# LMDB mapping sizes 510conf_mapsize_default=500 511AC_ARG_WITH([conf_mapsize], 512 AS_HELP_STRING([--with-conf-mapsize=NUM], [Configuration DB mapsize in MiB [default=$conf_mapsize_default]]), 513 [conf_mapsize=$withval],[conf_mapsize=$conf_mapsize_default]) 514 515AS_CASE([$conf_mapsize], 516 [yes],[conf_mapsize=$conf_mapsize_default], 517 [no], [AC_MSG_ERROR([conf_mapsize must be a number])], 518 [*], [AS_IF([test $conf_mapsize != $(( $conf_mapsize + 0 ))], 519 [AC_MSG_ERROR(conf_mapsize must be an integer number)])]) 520AC_DEFINE_UNQUOTED([CONF_MAPSIZE], [$conf_mapsize], [Configuration DB mapsize.]) 521AC_SUBST(conf_mapsize) 522 523# libedit 524AS_IF([test "$enable_daemon" = "yes" -o "$enable_utilities" = "yes"], [ 525 PKG_CHECK_MODULES([libedit], [libedit], [with_libedit=yes], [ 526 with_libedit=no 527 AC_CHECK_HEADER([histedit.h], [ 528 # workaround for OpenBSD 529 AS_CASE([$host_os], 530 [openbsd*], [libedit_deps=-lcurses], 531 [libedit_deps=] 532 ) 533 AC_CHECK_LIB([edit], [el_init], [ 534 with_libedit=yes 535 libedit_CFLAGS= 536 libedit_LIBS="-ledit $libedit_deps" 537 ], [], [$libedit_deps] 538 ) 539 ]) 540 ]) 541 AS_IF([test "$with_libedit" != "yes"], [ 542 AC_MSG_ERROR([libedit not found]) 543 ]) 544], [ 545 with_libedit=no 546 libedit_CFLAGS= 547 libedit_LIBS= 548]) 549 550############################################ 551# Dependencies needed for Knot DNS utilities 552############################################ 553 554dnl Check for libidn. 555AC_ARG_WITH(libidn, 556 AS_HELP_STRING([--with-libidn=[DIR]], [Support IDN (needs GNU libidn2 or libidn)]), 557 with_libidn=$withval, 558 with_libidn=yes 559) 560 561dnl Check for libnghttp2. 562AC_ARG_WITH(libnghttp2, 563 AS_HELP_STRING([--with-libnghttp2=[DIR]], [Support DoH (needs libnghttp2)]), 564 with_libnghttp2=$withval, 565 with_libnghttp2=yes 566) 567 568AS_IF([test "$enable_utilities" = "yes"], [ 569 AS_IF([test "$with_libidn" != "no"], [ 570 PKG_CHECK_MODULES([libidn2], [libidn2 >= 2.0.0], [ 571 with_libidn=libidn2 572 AC_DEFINE([LIBIDN], [1], [Define to 1 to enable IDN support]) 573 AC_DEFINE([LIBIDN_HEADER], [<idn2.h>], [Define to proper libidn header]) 574 ], [ 575 PKG_CHECK_MODULES([libidn], [libidn >= 0.0.0], [ 576 with_libidn=libidn 577 AC_DEFINE([LIBIDN], [1], [Define to 1 to enable IDN support]) 578 AC_DEFINE([LIBIDN_HEADER], [<idna.h>], [Define to proper libidn header]) 579 ], [ 580 with_libidn=no 581 AC_MSG_WARN([libidn2 or libidn not found]) 582 ]) 583 ]) 584 ]) 585 586 AS_IF([test "$with_libnghttp2" != "no"], [ 587 PKG_CHECK_MODULES([libnghttp2], [libnghttp2], [ 588 with_libnghttp2=libnghttp2 589 AC_DEFINE([LIBNGHTTP2], [1], [Define to 1 to enable DoH support]) 590 ], [ 591 with_libnghttp2=no 592 AC_MSG_WARN([libnghttp2 not found]) 593 ]) 594 ]) 595 596 AS_IF([test "$enable_xdp" != "no"], [ 597 PKG_CHECK_MODULES([libmnl], [libmnl], [], [ 598 AC_MSG_ERROR([libmnl not found]) 599 ]) 600 ]) 601]) # Knot DNS utilities dependencies 602 603AC_ARG_ENABLE([cap-ng], 604 AS_HELP_STRING([--enable-cap-ng=auto|no], [enable POSIX capabilities [default=auto]]), 605 [enable_cap_ng="$enableval"], [enable_cap_ng=auto]) 606 607AS_IF([test "$enable_daemon" = "yes"], [ 608 609AS_IF([test "$enable_cap_ng" != "no"],[ 610 PKG_CHECK_MODULES([cap_ng], [cap-ng], [enable_cap_ng=yes], [ 611 enable_cap_ng=no 612 AC_CHECK_HEADER([cap-ng.h], [ 613 save_LIBS="$LIBS" 614 AC_SEARCH_LIBS([capng_apply], [cap-ng], [ 615 AS_IF([test "$ac_cv_search_capng_apply" != "none required"], 616 [cap_ng_LIBS="$ac_cv_search_capng_apply"], [cap_ng_LIBS=]) 617 AC_SUBST([cap_ng_LIBS]) 618 enable_cap_ng=yes 619 ]) 620 LIBS="$save_LIBS" 621 ]) 622 ]) 623], [ 624 enable_cap_ng=no 625 cap_ng_LIBS= 626])]) 627 628AS_IF([test "$enable_cap_ng" = yes], 629 [AC_DEFINE([ENABLE_CAP_NG], [1], [POSIX capabilities available])] 630) 631 632save_LIBS="$LIBS" 633AC_SEARCH_LIBS([pthread_create], [pthread], [ 634 AS_IF([test "$ac_cv_search_pthread_create" != "none required"], 635 [pthread_LIBS="$ac_cv_search_pthread_create"], [pthread_LIBS=]) 636 AC_SUBST([pthread_LIBS]) 637],[ 638 AC_MSG_ERROR([pthreads not found]) 639]) 640LIBS="$save_LIBS" 641 642save_LIBS="$LIBS" 643AC_SEARCH_LIBS([dlopen], [dl], [ 644 AS_IF([test "$ac_cv_search_dlopen" != "none required"], 645 [dlopen_LIBS="$ac_cv_search_dlopen"], [dlopen_LIBS=]) 646 AC_SUBST([dlopen_LIBS]) 647],[ 648 AC_MSG_ERROR([dlopen not found]) 649]) 650LIBS="$save_LIBS" 651 652save_LIBS="$LIBS" 653AC_SEARCH_LIBS([pow], [m], [ 654 AS_IF([test "$ac_cv_search_pow" != "none required"], 655 [math_LIBS="$ac_cv_search_pow"], [math_LIBS=]) 656 AC_SUBST([math_LIBS]) 657],[ 658 AC_MSG_ERROR([math not found]) 659]) 660LIBS="$save_LIBS" 661 662save_LIBS="$LIBS" 663AC_SEARCH_LIBS([pthread_setaffinity_np], [pthread], [ 664 AC_DEFINE([HAVE_PTHREAD_SETAFFINITY_NP], [1], 665 [Define to 1 if you have the pthread_setaffinity_np function.]) 666]) 667LIBS="$save_LIBS" 668 669# Checks for header files. 670AC_HEADER_RESOLV 671AC_CHECK_HEADERS_ONCE([pthread_np.h sys/uio.h bsd/string.h]) 672 673# Checks for optional library functions. 674AC_CHECK_FUNCS([accept4 clock_gettime fgetln getline initgroups malloc_trim \ 675 setgroups strlcat strlcpy sysctlbyname]) 676 677# Check for robust memory cleanup implementations. 678AC_CHECK_FUNC([explicit_bzero], [ 679 AC_DEFINE([HAVE_EXPLICIT_BZERO], [1], [explicit_bzero available]) 680 explicit_bzero=yes], [explicit_bzero=no] 681) 682AC_CHECK_FUNC([explicit_memset], [ 683 AC_DEFINE([HAVE_EXPLICIT_MEMSET], [1], [explicit_memset available]) 684 explicit_memset=yes], [explicit_memset=no] 685) 686AM_CONDITIONAL([USE_GNUTLS_MEMSET], [test "$explicit_bzero" = "no" -a "$explicit_memset" = "no" -a "$gnutls_memset" = "yes"]) 687 688# Check for mandatory library functions. 689AC_CHECK_FUNC([vasprintf], [], [ 690 AC_MSG_ERROR([vasprintf support in the libc is required])]) 691 692# Check for cpu_set_t/cpuset_t compatibility 693AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[cpu_set_t set; CPU_ZERO(&set);]])], 694[AC_DEFINE(HAVE_CPUSET_LINUX, 1, [Define if Linux-like cpu_set_t exists.])]) 695AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread_np.h>]], [[cpuset_t set; CPU_ZERO(&set);]])], 696[AC_DEFINE(HAVE_CPUSET_BSD, 1, [Define if FreeBSD-like cpuset_t exists.])]) 697AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sched.h>]], [[cpuset_t* set = cpuset_create(); cpuset_destroy(set);]])], 698[AC_DEFINE(HAVE_CPUSET_NETBSD, 1, [Define if cpuset_t and cpuset(3) exists.])]) 699 700# Check for '__atomic' compiler builtin atomic functions. 701AC_LINK_IFELSE( 702 [AC_LANG_PROGRAM([[#include <stdint.h>]], 703 [[uint64_t val = 0; __atomic_add_fetch(&val, 1, __ATOMIC_RELAXED);]])], 704 [AC_DEFINE(HAVE_ATOMIC, 1, [Define to 1 if you have '__atomic' functions.])] 705) 706 707# Check for '__sync' compiler builtin atomic functions. 708AC_LINK_IFELSE( 709 [AC_LANG_PROGRAM([[#include <stdint.h>]], 710 [[int val = 0; __sync_add_and_fetch(&val, 1);]])], 711 [AC_DEFINE(HAVE_SYNC_ATOMIC, 1, [Define to 1 if you have '__sync' functions.])] 712) 713 714# Prepare CFLAG_VISIBILITY to be used where needed 715gl_VISIBILITY() 716 717# Add code coverage macro 718AX_CODE_COVERAGE 719 720AX_SANITIZER 721AS_IF([test -n "$sanitizer_CFLAGS"], [CFLAGS="$CFLAGS $sanitizer_CFLAGS"]) 722AM_CONDITIONAL([FUZZER], [test "$with_fuzzer" != "no"]) 723AM_CONDITIONAL([OSS_FUZZ], [test "$with_oss_fuzz" != "no"]) 724 725AS_IF([test "$enable_documentation" = "yes"],[ 726 727AC_PATH_PROGS([SPHINXBUILD], [sphinx-build sphinx-build-3], [false]) 728AS_IF([test "$SPHINXBUILD" = "false"], 729 [AC_MSG_WARN([Could not find the 'sphinx-build' executable, you will be unable to regenerate documentation.])], 730 [AC_PATH_PROG([PDFLATEX], [pdflatex], [false]) 731 AS_IF([test "$PDFLATEX" = ""], 732 [AC_MSG_WARN([Could not find the 'pdflatex' executable, you will be unable to generate PDF documentation.])]) 733 AC_PATH_PROG([MAKEINFO], [makeinfo], [false]) 734 AS_IF([test "$MAKEINFO" = "false"], 735 [AC_MSG_WARN([Could not find the 'makeinfo' executable, you will be unable to generate info documentation.])]) 736 ]) 737 738]) 739 740AM_CONDITIONAL([HAVE_SPHINXBUILD], test "$SPHINXBUILD" != "false") 741AM_CONDITIONAL([HAVE_PDFLATEX], test "$PDFLATEX" != "false") 742AM_CONDITIONAL([HAVE_MAKEINFO], test "$MAKEINFO" != "false") 743 744# Strip -fdebug-prefix-map= parameters from flags for better reproducibility of binaries. 745filtered_cflags=$(echo -n "$CFLAGS" | \ 746 sed 's/[[^[:alnum:]]]-f[[^[:space:]]]*-prefix-map=[[^[:space:]]]*//g') 747filtered_cppflags=$(echo -n "$CPPFLAGS" | \ 748 sed 's/[[^[:alnum:]]]-f[[^[:space:]]]*-prefix-map=[[^[:space:]]]*//g') 749 750result_msg_base=" Knot DNS $VERSION 751 752 Target: $host_os $host_cpu $endianity 753 Compiler: ${CC} 754 CFLAGS: ${filtered_cflags} ${filtered_cppflags} 755 LIBS: ${LIBS} ${LDFLAGS} 756 LibURCU: ${liburcu_LIBS} ${liburcu_CFLAGS} 757 GnuTLS: ${gnutls_LIBS} ${gnutls_CFLAGS} 758 Libedit: ${libedit_LIBS} ${libedit_CFLAGS} 759 LMDB: ${lmdb_LIBS} ${lmdb_CFLAGS} 760 Config: ${conf_mapsize} MiB default mapsize 761 762 Prefix: ${knot_prefix} 763 Run dir: ${run_dir} 764 Storage dir: ${storage_dir} 765 Config dir: ${config_dir} 766 Module dir: ${module_dir} 767 768 Static modules: ${static_modules} 769 Shared modules: ${shared_modules} 770 771 Knot DNS libraries: yes 772 Knot DNS daemon: ${enable_daemon} 773 Knot DNS utilities: ${enable_utilities} 774 Knot DNS documentation: ${enable_documentation} 775 776 Use recvmmsg: ${enable_recvmmsg} 777 Use SO_REUSEPORT(_LB): ${enable_reuseport} 778 XDP support: ${enable_xdp} 779 Socket polling: ${socket_polling} 780 Memory allocator: ${with_memory_allocator} 781 Fast zone parser: ${enable_fastparser} 782 Utilities with IDN: ${with_libidn} 783 Utilities with DoH: ${with_libnghttp2} 784 Utilities with Dnstap: ${enable_dnstap} 785 MaxMind DB support: ${enable_maxminddb} 786 Systemd integration: ${enable_systemd} 787 POSIX capabilities: ${enable_cap_ng} 788 PKCS #11 support: ${enable_pkcs11} 789 Ed25519 support: ${enable_ed25519} 790 Ed448 support: ${enable_ed448} 791 Reproducible signing: ${enable_repro_signing} 792 Code coverage: ${enable_code_coverage} 793 Sanitizer: ${with_sanitizer} 794 LibFuzzer: ${with_fuzzer} 795 OSS-Fuzz: ${with_oss_fuzz}" 796 797result_msg_esc=$(echo -n "$result_msg_base" | sed '$!s/$/\\n/' | tr -d '\n') 798 799AC_DEFINE_UNQUOTED([CONFIGURE_SUMMARY],["$result_msg_esc"],[Configure summary]) 800 801AC_CONFIG_FILES([Makefile 802 Doxyfile 803 doc/Makefile 804 tests/Makefile 805 tests-fuzz/Makefile 806 samples/Makefile 807 distro/Makefile 808 python/Makefile 809 python/setup.py 810 python/libknot/__init__.py 811 src/Makefile 812 src/libknot/xdp/Makefile 813 src/knot/modules/static_modules.h 814 ]) 815 816AC_CONFIG_FILES([doc/modules.rst], 817 [cp doc/modules.rst "${srcdir}"/doc/modules.rst 2>/dev/null 818 abs_srcdir=$(cd "${srcdir}" && pwd) 819 ln -s -f "${abs_srcdir}"/src/knot/modules "${srcdir}"/doc 2>/dev/null]) 820 821AC_OUTPUT 822AC_MSG_RESULT([ 823$result_msg_base 824]) 825