/contrib/ntp/configure.ac
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1dnl -*-fundamental-*- 2dnl Process this file with autoconf to produce a configure script. 3m4_include([version.m4]) 4AC_INIT(ntp, VERSION_NUMBER) 5AM_INIT_AUTOMAKE 6AC_CANONICAL_HOST 7dnl the 'build' machine is where we run configure and compile 8dnl the 'host' machine is where the resulting stuff runs. 9AC_DEFINE_UNQUOTED(STR_SYSTEM, "$host", [canonical system (cpu-vendor-os) of where we should run]) 10AM_CONFIG_HEADER([config.h]) 11dnl AC_ARG_PROGRAM 12AC_PREREQ(2.53) 13 14ac_cv_var_atom_ok=no 15ac_cv_var_oncore_ok=no 16ac_cv_var_parse_ok=no 17ac_cv_var_ripe_ncc_ok=no 18ac_cv_var_jupiter_ok=no 19 20dnl Grab any initial CFLAGS so we can pick better defaults. 21iCFLAGS="$CFLAGS" 22 23dnl check these early to avoid autoconf warnings 24AC_AIX 25AC_MINIX 26 27# So far, the only shared library we might use is libopts. 28# It's a small library - we might as well use a static version of it. 29AC_DISABLE_SHARED 30 31dnl we need to check for cross compile tools for vxWorks here 32AC_PROG_CC 33# Ralf Wildenhues: With per-target flags we need CC_C_O 34# AM_PROG_CC_C_O supersets AC_PROG_CC_C_O 35AM_PROG_CC_C_O 36AC_PROG_CC_STDC 37AC_PROG_CPP 38 39# HMS: These need to be moved to AM_CPPFLAGS and/or AM_CFLAGS 40case "$host" in 41 *-*-amigaos) 42 CFLAGS="$CFLAGS -Dfork=vfork -DSYS_AMIGA" 43 ;; 44 *-*-hpux10.*) # at least for hppa2.0-hp-hpux10.20 45 case "$GCC" in 46 yes) 47 ;; 48 *) CFLAGS="$CFLAGS -Wp,-H18816" 49 ;; 50 esac 51 ;; 52 *-pc-cygwin*) 53 CFLAGS="$CFLAGS -DSYS_CYGWIN32" 54 ;; 55 i386-sequent-sysv4) 56 case "$CC" in 57 cc) 58 CFLAGS="$CFLAGS -Wc,+abi-socket" 59 ;; 60 esac 61 ;; 62 *-*-mpeix*) 63 CPPFLAGS="$CPPFLAGS -DMPE -D_POSIX_SOURCE -D_SOCKET_SOURCE -I/SYSLOG/PUB" 64 LDFLAGS="$LDFLAGS -L/SYSLOG/PUB" 65 LIBS="$LIBS -lcurses" 66 ;; 67 *-*-solaris*) 68 # see "man standards". 69 # -D_XOPEN_SOURCE=500 is probably OK for c89 and before 70 # -D_XOPEN_SOURCE=600 seems OK for c99 71 #CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500 -D__EXTENSIONS__" 72 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__" 73 libxnet=-lxnet 74 ;; 75esac 76 77AMU_OS_CFLAGS 78 79# NTP has (so far) been relying on leading-edge autogen. 80# Therefore, by default: 81# - use the version we ship with 82# - do not install it 83# - build a static copy (AC_DISABLE_SHARED - done earlier) 84case "${enable_local_libopts+set}" in 85 set) ;; 86 *) enable_local_libopts=yes ;; 87esac 88case "${enable_libopts_install+set}" in 89 set) ;; 90 *) enable_libopts_install=no ;; 91esac 92LIBOPTS_CHECK(libopts) 93 94AC_CACHE_CHECK( 95 [if $CC can handle @%:@warning], 96 ac_cv_cpp_warning, 97 [ 98 AC_COMPILE_IFELSE( 99 AC_LANG_PROGRAM([], [#warning foo]), 100 [ac_cv_cpp_warning=yes], 101 [ac_cv_cpp_warning=no], 102 ) 103 ] 104) 105 106case "$ac_cv_cpp_warning" in 107 no) 108 AC_DEFINE([NO_OPTION_NAME_WARNINGS], [1], [Should we avoid @%:@warning on option name collisions?]) 109esac 110 111case "$GCC" in 112 yes) 113 SAVED_CFLAGS_AC="$CFLAGS" 114 CFLAGS="$CFLAGS -Wstrict-overflow" 115 AC_CACHE_CHECK( 116 [if $CC can handle -Wstrict-overflow], 117 ac_cv_gcc_Wstrict_overflow, 118 [ 119 AC_COMPILE_IFELSE( 120 [AC_LANG_PROGRAM([], [])], 121 [ac_cv_gcc_Wstrict_overflow=yes], 122 [ac_cv_gcc_Wstrict_overflow=no] 123 ) 124 ] 125 ) 126 CFLAGS="$SAVED_CFLAGS_AC" 127 unset SAVED_CFLAGS_AC 128 # 129 # $ac_cv_gcc_Wstrict_overflow is tested later to add the 130 # flag to CFLAGS. 131 # 132esac 133 134 135case "$GCC" in 136 yes) 137 SAVED_CFLAGS_AC="$CFLAGS" 138 CFLAGS="$CFLAGS -Winit-self" 139 AC_CACHE_CHECK( 140 [if $CC can handle -Winit-self], 141 ac_cv_gcc_Winit_self, 142 [ 143 AC_COMPILE_IFELSE( 144 [AC_LANG_PROGRAM([], [])], 145 [ac_cv_gcc_Winit_self=yes], 146 [ac_cv_gcc_Winit_self=no] 147 ) 148 ] 149 ) 150 CFLAGS="$SAVED_CFLAGS_AC" 151 unset SAVED_CFLAGS_AC 152 # 153 # $ac_cv_gcc_Winit_self is tested later to add the 154 # flag to CFLAGS. 155 # 156esac 157 158 159 160AC_MSG_CHECKING([for bin subdirectory]) 161AC_ARG_WITH(binsubdir, 162 AC_HELP_STRING([--with-binsubdir], [bin ={bin,sbin}]), 163 use_binsubdir="$withval", use_binsubdir="bin") 164 165case "$use_binsubdir" in 166 bin) 167 ;; 168 sbin) 169 ;; 170 *) 171 AC_MSG_ERROR([<$use_binsubdir> is illegal - must be "bin" or "sbin"]) 172 ;; 173esac 174AC_MSG_RESULT($use_binsubdir) 175BINSUBDIR=$use_binsubdir 176AC_SUBST(BINSUBDIR) 177 178AC_MSG_CHECKING([if we want to use arlib]) 179AC_ARG_WITH(arlib, 180 AC_HELP_STRING([--with-arlib], [- Compile the async resolver library?]), 181 [ans=$withval], [ans=no]) 182AC_MSG_RESULT([$ans]) 183 184if test -d $srcdir/arlib 185then 186 case "$ans" in 187 yes) 188 ARLIB_DIR=arlib 189 AC_CONFIG_SUBDIRS(arlib) 190 ;; 191 esac 192fi 193AC_SUBST(ARLIB_DIR) 194 195AC_ARG_WITH(rpath, 196 AC_HELP_STRING([--without-rpath], [s Disable auto-added -R linker paths]), 197[ans=$withval], [ans=x]) 198case "$ans" in 199 no) 200 need_dash_r= 201 ;; 202 yes) 203 need_dash_r=1 204 ;; 205esac 206# HMS: Why isn't this $build? 207# Well, that depends on if we need this for the build toolchain or 208# for info in the host executable... 209# I still have no idea which way this should go, but nobody has complained. 210case "$host" in 211 *-*-netbsd*) 212 case "$need_dash_r" in 213 no) ;; 214 *) need_dash_r=1 215 ;; 216 esac 217 ;; 218 *-*-solaris*) 219 case "$need_dash_r" in 220 no) ;; 221 *) need_dash_r=1 222 ;; 223 esac 224 ;; 225esac 226 227 228case "$build" in 229 $host) 230 ;; 231 *) case "$host" in 232 *-*-vxworks*) 233 # Quick and dirty sanity check 234 case "$VX_KERNEL" in 235 '') AC_MSG_ERROR(Please follow the directions in html/build/hints/vxworks.html!) 236 ;; 237 esac 238 CFLAGS="$CFLAGS -DSYS_VXWORKS" 239 ;; 240 esac 241 ;; 242esac 243 244dnl we need to check for cross compile tools for vxWorks here 245AC_PROG_AWK 246AC_PROG_MAKE_SET 247 248rm -f conftest* 249 250case "$GCC" in 251 yes) 252 CFLAGS="$CFLAGS -Wall" 253 # CFLAGS="$CFLAGS -Wcast-align" 254 CFLAGS="$CFLAGS -Wcast-qual" 255 # CFLAGS="$CFLAGS -Wconversion" 256 # CFLAGS="$CFLAGS -Werror" 257 # CFLAGS="$CFLAGS -Wextra" 258 # CFLAGS="$CFLAGS -Wfloat-equal" 259 CFLAGS="$CFLAGS -Wmissing-prototypes" 260 CFLAGS="$CFLAGS -Wpointer-arith" 261 CFLAGS="$CFLAGS -Wshadow" 262 # 263 # OpenSSL has a number of callback prototypes 264 # inside other function prototypes which trigger 265 # warnings with -Wstrict-prototypes, such as: 266 # 267 # int i2d_RSA_NET(const RSA *a, unsigned char **pp, 268 # int (*cb)(), int sgckey); 269 # ^^^^^^^^^^^ 270 # 271 CFLAGS="$CFLAGS -Wno-strict-prototypes" 272 # CFLAGS="$CFLAGS -Wtraditional" 273 # CFLAGS="$CFLAGS -Wwrite-strings" 274 case "$ac_cv_gcc_Winit_self" in 275 yes) 276 CFLAGS="$CFLAGS -Winit-self" 277 esac 278 case "$ac_cv_gcc_Wstrict_overflow" in 279 yes) 280 #not yet: CFLAGS="$CFLAGS -Wstrict-overflow" 281 esac 282 ;; 283esac 284 285case "$host" in 286 *-next-nextstep3) 287 CFLAGS="$CFLAGS -posix" 288 ;; 289dnl This is currently commented out by bor. 290dnl The new versions of ReliantUNIX round adjtime() interval down 291dnl to 1/100s (system tick). This makes tickadj actually useless. 292dnl So, I'd better not use additional flags. 293dnl I leave it here just in case anybody has better idea 294dnl mips-sni-sysv4* ) 295dnl # 296dnl # Add flags for 64 bit file access to enable tickadj to access /dev/kmem 297dnl # 298dnl if getconf _LFS_CFLAGS > /dev/null 2>&1 ; then 299dnl CFLAGS="$CFLAGS `getconf _LFS_CFLAGS`" 300dnl fi 301dnl ;; 302esac 303 304ac_busted_vpath_in_make=no 305 306case "$build" in 307 *-*-irix6.1*) # 64 bit only 308 # busted vpath? 309 ;; 310 *-*-irix6*) # 6.2 (and later?) 311 ac_busted_vpath_in_make=yes 312 ;; 313 *-*-solaris2.5.1) 314 ac_busted_vpath_in_make=yes 315 ;; 316 *-*-unicosmp*) 317 ac_busted_vpath_in_make=yes 318 ;; 319esac 320 321case "$ac_busted_vpath_in_make$srcdir" in 322 no*) ;; 323 yes.) ;; 324 *) case "`${MAKE-make} -v -f /dev/null 2>/dev/null | sed -e 's/GNU Make version \(1-9.]*\).*/\1/' -e q`" in 325 '') 326 AC_MSG_ERROR([building outside of the main directory requires GNU make]) 327 ;; 328 *) ;; 329 esac 330 ;; 331esac 332 333AC_SUBST(CFLAGS)dnl 334AC_SUBST(LDFLAGS)dnl 335 336m4_defun([_LT_AC_LANG_CXX_CONFIG], [:]) 337m4_defun([_LT_AC_LANG_F77_CONFIG], [:]) 338 339AC_PROG_LIBTOOL 340 341AC_PROG_LN_S 342AC_PROG_GCC_TRADITIONAL 343AC_C_VOLATILE 344AC_ISC_POSIX 345AC_PATH_PROG(PATH_SH, sh) 346AC_PATH_PROG(PATH_PERL, perl) 347 348hs_ULONG_CONST # remove for 4.2.5 349 350case "$host" in 351 *-*-vxworks*) 352 ac_link="$ac_link $VX_KERNEL" 353 ;; 354esac 355 356AC_PROG_INSTALL 357 358case "$host" in 359 *-pc-cygwin*) 360 AC_CHECK_LIB(advapi32, main) 361 ;; 362esac 363 364AC_CHECK_FUNC([gethostent], , 365 AC_SEARCH_LIBS([gethostent], [nsl], , , [$libxnet -lsocket])) 366AC_CHECK_FUNC([openlog], , 367 AC_SEARCH_LIBS([openlog], [gen], , 368 AC_SEARCH_LIBS([openlog], [syslog], , , [$libxnet -lsocket]))) 369AC_SEARCH_LIBS([MD5Init], [md5 md]) 370AC_CHECK_FUNCS(MD5Init) 371 372# following block becomes on 4.2.5: NTP_LINEEDITLIBS 373dnl HMS: What a hack... 374AC_CHECK_HEADERS(readline/history.h readline/readline.h) 375case "$ac_cv_header_readline_history_h$ac_cv_header_readline_readline_h" in 376 *no*) ;; 377 *) save_LIBS=$LIBS 378 LIBS= 379 # Ralf Wildenhues: either unset ... or cache READLINE_LIBS 380 unset ac_cv_lib_readline_readline 381 AC_CHECK_LIB(readline, readline, , 382 AC_MSG_NOTICE([Trying again with -lcurses]) 383 unset ac_cv_lib_readline_readline 384 AC_CHECK_LIB(readline, readline, 385 LIBS="-lreadline -lcurses $LIBS" 386 AC_DEFINE(HAVE_LIBREADLINE) 387 AC_DEFINE(HAVE_LIBCURSES, , [Do we have the curses library?]), 388 AC_CHECK_LIB(edit, readline, 389 LIBS="-ledit -lcurses" 390 AC_DEFINE(HAVE_LIBEDIT, , [Do we have the edit library?]) 391 AC_DEFINE(HAVE_LIBCURSES, , [Do we have the curses library?]) 392 , , -lcurses) 393 , -lcurses)) 394 READLINE_LIBS=$LIBS 395 AC_SUBST(READLINE_LIBS) 396 LIBS=$save_LIBS 397 ;; 398esac 399 400dnl Digital UNIX V4.0 and Solaris 7 have POSIX.1c functions in -lrt 401dnl Solaris 2.6 only has -lposix4; in Solaris 7, this is a symlink to -lrt, 402dnl so only use one of them. Linux (glibc-2.1.2 and -2.2.2, at least) 403dnl does Strange Things with extra processes using the Posix-compatibility 404dnl real-time library, so we don't want to use it. 405 406case "$host" in 407 *-*-*linux*) ;; 408 *) 409 AC_CHECK_LIB(rt, sched_setscheduler, , 410 AC_CHECK_LIB(posix4, sched_setscheduler)) 411 ;; 412esac 413 414AC_CHECK_FUNC(setsockopt, , 415 [AC_SEARCH_LIBS([setsockopt], [socket xnet])]) 416 417AC_HEADER_STDC 418AC_CHECK_HEADERS(bstring.h) 419AC_CHECK_HEADER(dns_sd.h, 420 [AC_CHECK_LIB(dns_sd, 421 DNSServiceRegister, 422 [AC_DEFINE(HAVE_DNSREGISTRATION, 1, 423 [Use Rendezvous/DNS-SD registration])])]) 424case "$ac_cv_lib_dns_sd_DNSServiceRegister" in 425 yes) LIBS="-ldns_sd $LIBS" ;; 426esac 427AC_CHECK_HEADERS(errno.h fcntl.h ieeefp.h math.h) 428 429# HMS: Lame, but fast. 430if test -f /etc/redhat-release 431then 432 : 433else 434 AC_CHECK_HEADERS(md5.h, [], [], 435[#if HAVE_SYS_TYPES_H 436#include <sys/types.h> 437#endif 438]) 439fi 440AC_CHECK_HEADERS(memory.h netdb.h poll.h) 441AC_CHECK_HEADERS(sched.h sgtty.h stdlib.h string.h termio.h) 442AC_CHECK_HEADERS(termios.h timepps.h timex.h unistd.h) 443case "$host" in 444 *-*-aix*) 445 AC_CHECK_HEADERS(utmpx.h) 446 case "$ac_cv_header_utmpx_h" in 447 yes) ;; 448 *) AC_CHECK_HEADERS(utmp.h) ;; 449 esac 450 ;; 451 *) AC_CHECK_HEADERS(utmp.h utmpx.h) ;; 452esac 453AC_CHECK_HEADERS(arpa/nameser.h) 454AC_CHECK_HEADERS(sys/socket.h) 455AC_CHECK_HEADERS(net/if.h, [], [], 456[#if HAVE_SYS_SOCKET_H 457#include <sys/socket.h> 458#endif 459]) 460AC_CHECK_HEADERS(net/if6.h) 461AC_CHECK_HEADERS(net/route.h, [], [], [ 462#include <sys/types.h> 463#include <sys/socket.h> 464#include <net/if.h> 465]) 466AC_CHECK_HEADERS(netinet/in_system.h netinet/in_systm.h) 467AC_CHECK_HEADERS(netinet/in.h) 468AC_CHECK_HEADERS(netinet/ip.h, [], [], 469[#if HAVE_SYS_TYPES_H 470#include <sys/types.h> 471#endif 472#if HAVE_NETINET_IN_H 473#include <netinet/in.h> 474#endif 475#if HAVE_NETINET_IN_SYSTM_H 476#include <netinet/in_systm.h> 477#endif 478]) 479 480# Check for IPTOS_PREC 481AC_CACHE_CHECK( 482 [IPPROTO_IP IP_TOS IPTOS_LOWDELAY], 483 ac_cv_ip_tos, 484 [ 485 AC_EGREP_CPP( 486 [yes], 487 [ 488 #if HAVE_SYS_TYPES_H 489 #include <sys/types.h> 490 #endif 491 #if HAVE_NETINET_IP_H 492 #include <netinet/in.h> 493 #include <netinet/ip.h> 494 #endif 495 #if defined(IPPROTO_IP) && defined(IP_TOS) && defined(IPTOS_LOWDELAY) 496 yes 497 #endif 498 ], 499 [ac_cv_ip_tos=yes], 500 [ac_cv_ip_tos=no] 501 ) 502 ] 503) 504 505case "$ac_cv_ip_tos" in 506 yes) 507 AC_DEFINE(HAVE_IPTOS_SUPPORT, 1, [Do we have IPTOS support?]) 508esac 509 510AC_CHECK_HEADERS(netinfo/ni.h, [AC_DEFINE(HAVE_NETINFO, 1, [NetInfo support?])]) 511AC_CHECK_HEADERS(sun/audioio.h sys/audioio.h) 512dnl AC_CHECK_HEADERS(sys/chudefs.h) 513AC_CHECK_HEADERS(sys/clkdefs.h sys/file.h) 514case "$host" in 515 *-*-sunos4*) ;; 516 *) AC_CHECK_HEADERS(sys/ioctl.h) 517 ;; 518esac 519AC_CHECK_HEADERS(sys/ipc.h) 520AC_CHECK_HEADERS(sys/lock.h sys/mman.h sys/modem.h sys/param.h sys/ppsclock.h) 521# HMS: Check sys/proc.h and sys/resource.h after some others 522AC_CHECK_HEADERS(sys/ppstime.h) 523case "$ac_cv_header_sched_h" in 524 yes) ;; 525 *) AC_CHECK_HEADERS(sys/sched.h) ;; 526esac 527case "$host" in 528 *-*-sco*) 529 AC_CHECK_HEADERS(sys/sio.h) 530 ;; 531esac 532# HMS: Check sys/shm.h after some others 533AC_CHECK_HEADERS(sys/select.h sys/signal.h sys/sockio.h) 534# HMS: Checked sys/socket.h earlier 535case "$host" in 536 *-*-netbsd*) ;; 537 *) AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h) 538 ;; 539esac 540AC_CHECK_HEADERS(sys/stat.h sys/stream.h) 541AC_CHECK_HEADERS(sys/stropts.h sys/sysctl.h sys/syssgi.h sys/systune.h) 542AC_CHECK_HEADERS(sys/termios.h sys/time.h sys/signal.h) 543AC_EGREP_CPP(yes, 544[#if HAVE_SYS_TIME_H 545# include <sys/time.h> 546#endif 547#if HAVE_ERRNO_H 548# include <errno.h> 549#endif 550#include <sys/timepps.h> 551#ifdef PPS_API_VERS_1 552yes 553#endif 554], [AC_CHECK_HEADERS(sys/timepps.h, [], [], 555[#if HAVE_SYS_TIME_H 556# include <sys/time.h> 557#endif 558#if HAVE_ERRNO_H 559# include <errno.h> 560#endif 561]) 562]) 563AC_CHECK_HEADERS(sys/timers.h sys/tpro.h sys/types.h sys/wait.h) 564AC_HEADER_TIME 565case "$host" in 566*-convex-*) 567 AC_CHECK_HEADERS(/sys/sync/queue.h /sys/sync/sema.h) 568 ;; 569*-*-bsdi*) 570 AC_CHECK_HEADERS(machine/inline.h sys/pcl720.h sys/i8253.h) 571 ;; 572esac 573 574case "$host" in 575 *-*-*linux*) 576 AC_CHECK_FUNCS(__adjtimex __ntp_gettime) 577 ;; 578esac 579case "$ac_cv_func___adjtimex" in 580 yes) ;; 581 *) 582 AC_CHECK_LIB(elf, nlist) dnl Only needed for tickadj... 583 dnl AC_CHECK_LIB(kvm, main, , , -lelf) 584 AC_CHECK_LIB(kvm, main) dnl We already know about -lelf here... 585 AC_CHECK_LIB(ld, nlist) 586 AC_CHECK_LIB(mld, nlist) 587 AC_CHECK_HEADER(nlist.h, 588 [AC_DEFINE(NLIST_STRUCT, 1, [nlist stuff]) 589 AC_CACHE_CHECK([for n_un in struct nlist], ac_cv_struct_nlist_n_un, 590 [AC_TRY_COMPILE([#include <nlist.h>], 591 [struct nlist n; n.n_un.n_name = 0;], 592 ac_cv_struct_nlist_n_un=yes, ac_cv_struct_nlist_n_un=no)]) 593 if test $ac_cv_struct_nlist_n_un = yes; then 594 AC_DEFINE(NLIST_NAME_UNION, 1, [does struct nlist use a name union?]) 595 fi 596 ])dnl 597 ;; 598esac 599 600dnl AC_CHECK_HEADERS(net/if.h, [], [], 601dnl [#if HAVE_SYS_TYPES_H 602dnl # include <sys/types.h> 603dnl #endif 604dnl #if HAVE_SYS_SOCKET_H 605dnl # include <sys/socket.h> 606dnl #endif 607dnl ]) 608 609AC_CHECK_HEADERS(sys/proc.h, [], [], 610[#if HAVE_SYS_TYPES_H 611# include <sys/types.h> 612#endif 613#if HAVE_SYS_TIME_H 614# include <sys/time.h> 615#endif 616]) 617 618AC_CHECK_HEADERS(sys/resource.h, [], [], 619[#if HAVE_SYS_TIME_H 620# include <sys/time.h> 621#endif 622]) 623 624AC_CHECK_HEADERS(sys/shm.h, [], [], 625[#if HAVE_SYS_TYPES_H 626# include <sys/types.h> 627#endif 628#if HAVE_SYS_IPC_H 629# include <sys/ipc.h> 630#endif 631]) 632 633AC_CHECK_HEADERS(sys/timex.h, [], [], 634[#if HAVE_SYS_TIME_H 635# include <sys/time.h> 636#endif 637]) 638 639AC_CHECK_HEADERS(resolv.h, [], [], 640[#if HAVE_SYS_TYPES_H 641#include <sys/types.h> 642#endif 643#if HAVE_NETINET_IN_H 644#include <netinet/in.h> 645#endif 646#if HAVE_ARPA_NAMESER_H 647#include <arpa/nameser.h> 648#endif 649]) 650 651AC_CACHE_CHECK([for basic volatile support], ac_cv_c_volatile, 652[AC_TRY_COMPILE([],[ 653volatile int x;], 654 ac_cv_c_volatile=yes, 655 ac_cv_c_volatile=no) 656]) 657case "$ac_cv_c_volatile" in 658 yes) 659 ;; 660 *) AC_DEFINE(volatile, , [Does the compiler like "volatile"?]) 661 ;; 662esac 663 664# 665# following block goes away in 4.2.5 666# 667# AM_C_PROTOTYPES gives us ansi2knr 668case "$build" in 669 *-*-solaris2*) 670 # Assume that solaris2 is Ansi C... 671 ;; 672 *) 673 AM_C_PROTOTYPES 674 ;; 675esac 676AC_CACHE_CHECK(if C compiler permits function prototypes, ac_cv_have_prototypes, 677[AC_TRY_COMPILE([ 678extern int foo (short); 679int foo(short i) { return i; }],[ 680int i;], ac_cv_have_prototypes=yes, ac_cv_have_prototypes=no) 681]) 682if test "$ac_cv_have_prototypes" = yes; then 683 AC_DEFINE(HAVE_PROTOTYPES, 1, [Are function prototypes OK?]) 684fi 685# 686# end block 687# 688 689AC_C_CONST 690AC_C_BIGENDIAN 691AC_TYPE_SIGNAL 692AC_TYPE_OFF_T 693AC_TYPE_SIZE_T 694AC_CHECK_TYPE(time_t, long) 695AC_CHECK_SIZEOF(time_t) 696AC_CHECK_TYPES(uintptr_t) 697 698AH_VERBATIM([TYPEDEF_UINTPTR_T], 699[/* Provide a typedef for uintptr_t? */ 700#ifndef HAVE_UINTPTR_T 701typedef unsigned int uintptr_t; 702#define HAVE_UINTPTR_T 1 703#endif]) 704 705AC_STRUCT_TM 706 707AC_CACHE_CHECK([for u_int8_t], ac_cv_type_u_int8_t, 708[AC_TRY_COMPILE([#include <sys/types.h>], 709 [u_int8_t len = 42; return 0;], 710 ac_cv_type_u_int8_t=yes, 711 ac_cv_type_u_int8_t=no) 712]) 713if test $ac_cv_type_u_int8_t = yes; then 714 AC_DEFINE(HAVE_TYPE_U_INT8_T, 1, [Does u_int8_t exist?]) 715fi 716 717AC_CACHE_CHECK([for u_int64_t], ac_cv_type_u_int64_t, 718[AC_TRY_COMPILE([#include <sys/types.h>], 719 [u_int64_t len = 42; return 0;], 720 ac_cv_type_u_int64_t=yes, 721 ac_cv_type_u_int64_t=no) 722]) 723if test $ac_cv_type_u_int64_t = yes; then 724 AC_DEFINE(HAVE_TYPE_U_INT64_T, 1, [Does u_int64_t exist?]) 725fi 726 727# 728# Look for in_port_t. 729# 730AC_MSG_CHECKING([for in_port_t]) 731AC_TRY_COMPILE([ 732#include <sys/types.h> 733#include <netinet/in.h>], 734[in_port_t port = 25; return (0);], 735 [AC_MSG_RESULT(yes) 736 ], 737 [AC_MSG_RESULT(no) 738 AC_DEFINE(ISC_PLATFORM_NEEDPORTT, 1, [Do we need our own in_port_t?]) 739 ]) 740 741AC_CACHE_CHECK([for a fallback value for HZ], ac_cv_var_default_hz, 742[ac_cv_var_default_hz=100 743case "$host" in 744 alpha*-dec-osf4*|alpha*-dec-osf5*) 745 ac_cv_var_default_hz=1024 746 ;; 747 mips-dec-ultrix4*) 748 ac_cv_var_default_hz=256 749 ;; 750esac]) 751AC_DEFINE_UNQUOTED(DEFAULT_HZ, $ac_cv_var_default_hz, [What is the fallback value for HZ?]) 752 753AC_CACHE_CHECK([if we need to override the system's value for HZ], ac_cv_var_override_hz, 754[ac_cv_var_override_hz=no 755case "$host" in 756 alpha*-dec-osf4*|alpha*-dec-osf5*) 757 ac_cv_var_override_hz=yes 758 ;; 759 mips-dec-ultrix4*) 760 ac_cv_var_override_hz=yes 761 ;; 762 *-*-freebsd*) 763 ac_cv_var_override_hz=yes 764 ;; 765 *-*-sunos4*) 766 ac_cv_var_override_hz=yes 767 ;; 768esac]) 769case "$ac_cv_var_override_hz" in 770 yes) 771 AC_DEFINE(OVERRIDE_HZ, 1, [Do we need to override the system's idea of HZ?]) 772 ;; 773esac 774 775dnl AC_CACHE_CHECK(ut_host in struct utmp, ac_cv_func_ut_host_in_utmp, 776dnl [AC_TRY_LINK([#include <sys/types.h> 777dnl #include <utmp.h>], [struct utmp ut; ut.ut_host;], 778dnl ac_cv_func_ut_host_in_utmp=yes, ac_cv_func_ut_host_in_utmp=no)]) 779dnl if test $su_cv_func_ut_host_in_utmp = yes; then 780dnl AC_DEFINE(HAVE_UT_HOST) 781dnl fi 782 783dnl AC_MSG_CHECKING(if we can get the system boot time) 784dnl AC_CACHE_VAL(su_cv_have_boot_time, 785dnl [AC_EGREP_CPP(yes, 786dnl [#ifdef HAVE_UTMPX_H 787dnl #include <utmpx.h> 788dnl #else 789dnl #include <utmp.h> 790dnl #endif 791dnl #ifdef BOOT_TIME 792dnl yes 793dnl #endif 794dnl ], su_cv_have_boot_time=yes, su_cv_have_boot_time=no)]) 795dnl AC_MSG_RESULT($su_cv_have_boot_time) 796 797AC_CACHE_CHECK([for struct rt_msghdr], ac_cv_struct_rt_msghdr, 798[AC_TRY_COMPILE([ 799#include <sys/types.h> 800#include <sys/socket.h> 801#include <net/if.h> 802#include <net/route.h>], 803[struct rt_msghdr p;], 804 ac_cv_struct_rt_msghdr=yes, 805 ac_cv_struct_rt_msghdr=no) 806]) 807 808if test $ac_cv_struct_rt_msghdr = yes; then 809 AC_DEFINE(HAS_ROUTING_SOCKET, 1, [Do we have a routing socket (struct rt_msghdr)?]) 810fi 811 812AC_CACHE_CHECK( 813 [struct sigaction for sa_sigaction], 814 ac_cv_struct_sigaction_has_sa_sigaction, 815 [ 816 AC_TRY_COMPILE( 817 [#include <signal.h>], 818 [struct sigaction act; act.sa_sigaction = 0;], 819 ac_cv_struct_sigaction_has_sa_sigaction=yes, 820 ac_cv_struct_sigaction_has_sa_sigaction=no 821 ) 822 ] 823) 824if test $ac_cv_struct_sigaction_has_sa_sigaction = yes; then 825 AC_DEFINE(HAVE_SA_SIGACTION_IN_STRUCT_SIGACTION, 1, [Obvious...]) 826fi 827 828AC_CACHE_CHECK([for struct ppsclockev], ac_cv_struct_ppsclockev, 829[AC_TRY_COMPILE([ 830#include <sys/types.h> 831#ifdef HAVE_SYS_TERMIOS_H 832# include <sys/termios.h> 833#endif 834#ifdef HAVE_SYS_TIME_H 835# include <sys/time.h> 836#endif 837#ifdef HAVE_SYS_PPSCLOCK_H 838# include <sys/ppsclock.h> 839#endif],[ 840extern struct ppsclockev *pce; 841return pce->serial;], 842 ac_cv_struct_ppsclockev=yes, 843 ac_cv_struct_ppsclockev=no) 844]) 845if test $ac_cv_struct_ppsclockev = yes; then 846 AC_DEFINE(HAVE_STRUCT_PPSCLOCKEV, 1, [Does a system header define struct ppsclockev?]) 847fi 848 849AC_CACHE_CHECK([struct sockaddr for sa_len], ac_cv_struct_sockaddr_has_sa_len, 850[AC_TRY_COMPILE([ 851#include <sys/types.h> 852#include <sys/socket.h>],[ 853extern struct sockaddr *ps; 854return ps->sa_len;], 855 ac_cv_struct_sockaddr_has_sa_len=yes, 856 ac_cv_struct_sockaddr_has_sa_len=no) 857]) 858if test $ac_cv_struct_sockaddr_has_sa_len = yes; then 859 AC_DEFINE(HAVE_SA_LEN_IN_STRUCT_SOCKADDR, 1, [Should be obvious...]) 860fi 861 862AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage, 863[AC_TRY_COMPILE([ 864#include <sys/types.h> 865#include <sys/socket.h> 866#include <netinet/in.h> 867],[ 868struct sockaddr_storage n;], 869 ac_cv_struct_sockaddr_storage=yes, 870 ac_cv_struct_sockaddr_storage=no) 871]) 872if test $ac_cv_struct_sockaddr_storage = yes; then 873 AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE, 1, [Does a system header define struct sockaddr_storage?]) 874fi 875 876AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage], 877 ac_cv_have_ss_family_in_struct_ss, [ 878 AC_TRY_COMPILE( 879 [ 880#include <sys/types.h> 881#include <sys/socket.h> 882 ], 883 [ struct sockaddr_storage s; s.ss_family = 1; ], 884 [ ac_cv_have_ss_family_in_struct_ss="yes" ], 885 [ ac_cv_have_ss_family_in_struct_ss="no" ], 886 ) 887]) 888if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then 889 AC_DEFINE(HAVE_SS_FAMILY_IN_SS, 1, [Does struct sockaddr_storage have ss_family?]) 890else 891 # Hack around a problem... 892 # HMS: This is $host because we need the -D if we are building *for* it. 893 # HMS: 061029: Now that we separate the ss_* checks this is causing 894 # a problem - disable it until we get to the bottom of it. 895 case "$host" in 896 XXX*-*-hpux11.11) CPPFLAGS="$CPPFLAGS -D_NETINET_IN6_H" 897 ;; 898 esac 899fi 900 901AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage], 902 ac_cv_have___ss_family_in_struct_ss, [ 903 AC_TRY_COMPILE( 904 [ 905#include <sys/types.h> 906#include <sys/socket.h> 907 ], 908 [ struct sockaddr_storage s; s.__ss_family = 1; ], 909 [ ac_cv_have___ss_family_in_struct_ss="yes" ], 910 [ ac_cv_have___ss_family_in_struct_ss="no" ] 911 ) 912]) 913if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then 914 AC_DEFINE(HAVE___SS_FAMILY_IN_SS, 1, [Does struct sockaddr_storage have __ss_family?]) 915fi 916 917AH_VERBATIM([X_HAVE_SS_FAMILY_IN_SS], 918[/* Handle ss_family */ 919#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS) 920# define ss_family __ss_family 921#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */]) 922 923AC_CACHE_CHECK([for ss_len field in struct sockaddr_storage], 924 ac_cv_have_ss_len_in_struct_ss, [ 925 AC_TRY_COMPILE( 926 [ 927#include <sys/types.h> 928#include <sys/socket.h> 929 ], 930 [ struct sockaddr_storage s; s.ss_len = 1; ], 931 [ ac_cv_have_ss_len_in_struct_ss="yes" ], 932 [ ac_cv_have_ss_len_in_struct_ss="no" ], 933 ) 934]) 935if test "x$ac_cv_have_ss_len_in_struct_ss" = "xyes" ; then 936 AC_DEFINE(HAVE_SS_LEN_IN_SS, 1, [Does struct sockaddr_storage have ss_len?]) 937fi 938 939AC_CACHE_CHECK([for __ss_len field in struct sockaddr_storage], 940 ac_cv_have___ss_len_in_struct_ss, [ 941 AC_TRY_COMPILE( 942 [ 943#include <sys/types.h> 944#include <sys/socket.h> 945 ], 946 [ struct sockaddr_storage s; s.__ss_len = 1; ], 947 [ ac_cv_have___ss_len_in_struct_ss="yes" ], 948 [ ac_cv_have___ss_len_in_struct_ss="no" ] 949 ) 950]) 951if test "x$ac_cv_have___ss_len_in_struct_ss" = "xyes" ; then 952 AC_DEFINE(HAVE___SS_LEN_IN_SS, 1, [Does struct sockaddr_storage have __ss_len?]) 953fi 954 955AH_VERBATIM([X_HAVE_SS_LEN_IN_SS], 956[/* Handle ss_len */ 957#if !defined(HAVE_SS_LEN_IN_SS) && defined(HAVE___SS_LEN_IN_SS) 958# define ss_len __ss_len 959#endif /* !defined(HAVE_SS_LEN_IN_SS) && defined(HAVE_SA_LEN_IN_SS) */]) 960 961case "$ac_cv_header_machine_soundcard_h$ac_cv_header_sys_soundcard_h" in 962 *yes*) 963 AC_CACHE_CHECK([for struct snd_size], ac_cv_struct_snd_size, 964[AC_TRY_COMPILE([ 965#ifdef HAVE_MACHINE_SOUNDCARD_H 966# include <machine/soundcard.h> 967#endif 968#ifdef HAVE_SYS_SOUNDCARD_H 969# include <sys/soundcard.h> 970#endif],[ 971extern struct snd_size *ss; 972return ss->rec_size;], 973 ac_cv_struct_snd_size=yes, 974 ac_cv_struct_snd_size=no) 975]) 976 case "$ac_cv_struct_snd_size" in 977 yes) AC_DEFINE(HAVE_STRUCT_SND_SIZE, 1,[Do we have struct snd_size?]) ;; 978 esac 979 ;; 980esac 981 982AC_CACHE_CHECK([struct clockinfo for hz], ac_cv_struct_clockinfo_has_hz, 983[AC_TRY_COMPILE([ 984#include <sys/time.h>],[ 985extern struct clockinfo *pc; 986return pc->hz;], 987 ac_cv_struct_clockinfo_has_hz=yes, 988 ac_cv_struct_clockinfo_has_hz=no) 989]) 990if test $ac_cv_struct_clockinfo_has_hz = yes; then 991 AC_DEFINE(HAVE_HZ_IN_STRUCT_CLOCKINFO, 1, [Obvious...]) 992fi 993 994AC_CACHE_CHECK([struct clockinfo for tickadj], ac_cv_struct_clockinfo_has_tickadj, 995[AC_TRY_COMPILE([ 996#include <sys/time.h>],[ 997extern struct clockinfo *pc; 998return pc->tickadj;], 999 ac_cv_struct_clockinfo_has_tickadj=yes, 1000 ac_cv_struct_clockinfo_has_tickadj=no) 1001]) 1002if test $ac_cv_struct_clockinfo_has_tickadj = yes; then 1003 AC_DEFINE(HAVE_TICKADJ_IN_STRUCT_CLOCKINFO, 1, [Obvious...]) 1004fi 1005 1006AC_CACHE_CHECK([for struct timespec], ac_cv_struct_timespec, 1007[AC_TRY_COMPILE([ 1008#include <sys/time.h> 1009/* Under SunOS, timespec is in sys/timepps.h, which needs errno.h and FRAC */ 1010#ifdef HAVE_ERRNO_H 1011# include <errno.h> 1012#endif 1013#ifdef HAVE_SYS_TIMEPPS_H 1014# define FRAC 4294967296 1015# include <sys/timepps.h> 1016#endif], 1017[struct timespec n;], 1018ac_cv_struct_timespec=yes, ac_cv_struct_timespec=no)]) 1019if test $ac_cv_struct_timespec = yes; then 1020 AC_DEFINE(HAVE_STRUCT_TIMESPEC, 1, [Do we have struct timespec?]) 1021fi 1022 1023AC_CACHE_CHECK([for struct ntptimeval], ac_cv_struct_ntptimeval, 1024[AC_TRY_COMPILE([ 1025#include <sys/time.h> 1026#include <sys/timex.h>], 1027[struct ntptimeval n;], 1028ac_cv_struct_ntptimeval=yes, ac_cv_struct_ntptimeval=no)]) 1029if test $ac_cv_struct_ntptimeval = yes; then 1030 AC_DEFINE(HAVE_STRUCT_NTPTIMEVAL, 1, [Do we have struct ntptimeval?]) 1031fi 1032 1033AC_CHECK_MEMBERS([struct ntptimeval.time.tv_nsec], , , 1034[#ifdef HAVE_SYS_TIME_H 1035#include <sys/time.h> 1036#else 1037# ifdef HAVE_TIME_H 1038# include <time.h> 1039# endif 1040#endif 1041#ifdef HAVE_SYS_TIMEX_H 1042#include <sys/timex.h> 1043#else 1044# ifdef HAVE_TIMEX_H 1045# include <timex.h> 1046# endif 1047#endif]) 1048 1049AC_C_INLINE 1050 1051case "$ac_cv_c_inline" in 1052 '') 1053 ;; 1054 *) 1055 AC_DEFINE(HAVE_INLINE,1,[inline keyword or macro available]) 1056 AC_SUBST(HAVE_INLINE) 1057esac 1058 1059AC_C_CHAR_UNSIGNED dnl CROSS_COMPILE? 1060AC_CHECK_SIZEOF(signed char) 1061AC_CHECK_SIZEOF(int) 1062AC_CHECK_SIZEOF(long) 1063 1064AC_CHECK_TYPES([s_char]) 1065case "$ac_cv_c_char_unsigned$ac_cv_sizeof_signed_char$ac_cv_type_s_char" in 1066 *yes) 1067 # We have a typedef for s_char. Might as well believe it... 1068 ;; 1069 no0no) 1070 # We have signed chars, can't say 'signed char', no s_char typedef. 1071 AC_DEFINE(NEED_S_CHAR_TYPEDEF, 1, [Do we need an s_char typedef?]) 1072 ;; 1073 no1no) 1074 # We have signed chars, can say 'signed char', no s_char typedef. 1075 AC_DEFINE(NEED_S_CHAR_TYPEDEF) 1076 ;; 1077 yes0no) 1078 # We have unsigned chars, can't say 'signed char', no s_char typedef. 1079 AC_MSG_ERROR(No way to specify a signed character!) 1080 ;; 1081 yes1no) 1082 # We have unsigned chars, can say 'signed char', no s_char typedef. 1083 AC_DEFINE(NEED_S_CHAR_TYPEDEF) 1084 ;; 1085esac 1086AC_TYPE_UID_T 1087 1088case "$host" in 1089 *-*-aix[[456]]*) 1090 # (prr) aix 4.1 doesn't have clock_settime, but in aix 4.3 it's a stub 1091 # (returning ENOSYS). I didn't check 4.2. If, in the future, 1092 # IBM pulls its thumbs out long enough to implement clock_settime, 1093 # this conditional will need to change. Maybe use AC_TRY_RUN 1094 # instead to try to set the time to itself and check errno. 1095 ;; 1096 *) AC_CHECK_FUNCS(clock_gettime clock_settime) 1097 ;; 1098esac 1099AC_CHECK_FUNCS(daemon) 1100AC_CHECK_FUNCS(finite, , 1101 [AC_CHECK_FUNCS(isfinite, , 1102 [AC_MSG_CHECKING([for isfinite with <math.h>]) 1103 _libs=$LIBS 1104 LIBS="$LIBS -lm" 1105 AC_TRY_LINK([#include <math.h>], [float f = 0.0; isfinite(f)], 1106 [AC_MSG_RESULT(yes) 1107 AC_DEFINE(HAVE_ISFINITE)], 1108 AC_MSG_RESULT(no)) 1109 LIBS=$_libs])]) 1110AC_CHECK_FUNCS(getbootfile getclock getdtablesize) 1111 1112AC_ARG_ENABLE(getifaddrs, 1113 AC_HELP_STRING([--enable-getifaddrs], 1114 [s Enable the use of getifaddrs() [[yes|no|glibc]]. 1115glibc: Use getifaddrs() in glibc if you know it supports IPv6.]), 1116 want_getifaddrs="$enableval", want_getifaddrs="yes") 1117 1118case $want_getifaddrs in 1119yes|glibc) 1120# 1121# Do we have getifaddrs() ? 1122# 1123case $host in 1124*-*linux*) 1125 # Some recent versions of glibc support getifaddrs() which does not 1126 # provide AF_INET6 addresses while the function provided by the USAGI 1127 # project handles the AF_INET6 case correctly. We need to avoid 1128 # using the former but prefer the latter unless overridden by 1129 # --enable-getifaddrs=glibc. 1130 if test $want_getifaddrs = glibc 1131 then 1132 AC_CHECK_FUNCS(getifaddrs) 1133 else 1134 save_LIBS="$LIBS" 1135 LIBS="-L/usr/local/v6/lib $LIBS" 1136 AC_CHECK_LIB(inet6, getifaddrs, 1137 LIBS="$LIBS -linet6" 1138 AC_DEFINE(HAVE_GETIFADDRS), 1139 LIBS=${save_LIBS}) 1140 fi 1141 ;; 1142*) 1143 AC_CHECK_FUNCS(getifaddrs) 1144 ;; 1145esac 1146;; 1147no) 1148;; 1149esac 1150 1151AC_MSG_CHECKING([type of socklen arg for getsockname()]) 1152AC_CACHE_VAL(ac_cv_func_getsockname_arg2,dnl 1153[AC_CACHE_VAL(ac_cv_func_getsockname_socklen_type,dnl 1154 [for ac_cv_func_getsockname_arg2 in 'struct sockaddr *' 'void *'; do 1155 for ac_cv_func_getsockname_socklen_type in 'socklen_t' 'size_t' 'unsigned int' 'int'; do 1156 AC_TRY_COMPILE(dnl 1157[#ifdef HAVE_SYS_TYPES_H 1158#include <sys/types.h> 1159#endif 1160#ifdef HAVE_SYS_SOCKET_H 1161#include <sys/socket.h> 1162#endif 1163extern getsockname (int, $ac_cv_func_getsockname_arg2, $ac_cv_func_getsockname_socklen_type *);],,dnl 1164 [ac_not_found=no ; break 2], ac_not_found=yes) 1165 done 1166 done 1167 ])dnl AC_CACHE_VAL 1168])dnl AC_CACHE_VAL 1169if test "$ac_not_found" = yes; then 1170 ac_cv_func_getsockname_socklen_type='socklen_t' 1171fi 1172AC_MSG_RESULT([$ac_cv_func_getsockname_socklen_type]) 1173AC_DEFINE_UNQUOTED([GETSOCKNAME_SOCKLEN_TYPE], 1174 $ac_cv_func_getsockname_socklen_type, 1175 [What is getsockname()'s socklen type?]) 1176 1177AC_CHECK_FUNCS(getrusage) 1178AC_CHECK_FUNC(gettimeofday, ,[ 1179case "$host" in 1180 *-*-mpeix*) ac_cv_func_gettimeofday=yes 1181 ;; 1182esac]) 1183case "$host" in 1184 *-pc-cygwin*) 1185 ;; 1186 *) AC_CHECK_FUNCS(getuid) 1187 ;; 1188esac 1189AC_CHECK_FUNCS(hstrerror) 1190 1191# 1192# Check for if_nametoindex() for IPv6 scoped addresses support 1193# 1194AC_CHECK_FUNC(if_nametoindex, ac_cv_have_if_nametoindex=yes, 1195 ac_cv_have_if_nametoindex=no) 1196case $ac_cv_have_if_nametoindex in 1197 no) 1198 case "$host" in 1199 *-hp-hpux*) 1200 AC_CHECK_LIB(ipv6, if_nametoindex, 1201 ac_cv_have_if_nametoindex=yes 1202 LIBS="-lipv6 $LIBS",) 1203 ;; 1204 esac 1205esac 1206case $ac_cv_have_if_nametoindex in 1207 yes) 1208 AC_DEFINE(ISC_PLATFORM_HAVEIFNAMETOINDEX, 1, [ISC: do we have if_nametoindex()?]) 1209 ;; 1210esac 1211 1212AC_CHECK_FUNC(inet_ntop, [], [AC_DEFINE(ISC_PLATFORM_NEEDNTOP, 1, [ISC: provide inet_ntop()])]) 1213AC_CHECK_FUNC(inet_pton, [], [AC_DEFINE(ISC_PLATFORM_NEEDPTON, 1, [ISC: provide inet_pton()])]) 1214AC_CHECK_FUNC(inet_aton, [], [AC_DEFINE(ISC_PLATFORM_NEEDATON, 1, [ISC: provide inet_aton()])]) 1215AC_CHECK_FUNCS(K_open kvm_open memcpy memmove memset) 1216case "$host" in 1217 *-*-sco3.2v5.0.*) 1218 # Just stubs. Idiots. 1219 ;; 1220 *) AC_CHECK_FUNCS(mkstemp) 1221 ;; 1222esac 1223AC_CHECK_FUNCS(mktime) 1224case "$host" in 1225 *-*-aix[[456]]*) 1226 # Just a stub. Idiots. 1227 ;; 1228 *-*-irix[[45]]*) 1229 # Just a stub in "old" Irix. Idiots. 1230 ;; 1231 *-*-*linux*) 1232 # there, but more trouble than it is worth for now (resolver problems) 1233 ;; 1234 *-*-qnx*) 1235 # Apparently there but not working in QNX. Idiots? 1236 ;; 1237 *-*-sco3.2v5.0.*) 1238 # Just a stub. Idiots. 1239 ;; 1240 alpha*-dec-osf4*|alpha*-dec-osf5*) 1241 # mlockall is there, as a #define calling memlk via <sys/mman.h> 1242 # Not easy to test for - cheat. 1243 AC_CHECK_FUNCS(memlk, [ac_cv_func_mlockall='yes']) 1244 AC_CHECK_FUNCS(mlockall) 1245 ;; 1246 *) AC_CHECK_FUNCS(mlockall) 1247 ;; 1248esac 1249AC_CHECK_FUNCS(nice nlist) 1250case "$host" in 1251 *-*-solaris2.6) 1252 # Broken... 1253 ;; 1254 *) AC_CHECK_FUNCS(ntp_adjtime ntp_gettime) 1255 ;; 1256esac 1257AC_CHECK_FUNCS(plock pututline pututxline readlink recvmsg rtprio) 1258case "$host" in 1259 *-*-aix[[456]]*) 1260 # Just a stub in AIX 4. Idiots. 1261 ;; 1262 *-*-solaris2.5*) 1263 # Just stubs in solaris2.5. Idiots. 1264 ;; 1265 *) AC_CHECK_FUNCS(sched_setscheduler) 1266 ;; 1267esac 1268AC_CHECK_FUNCS(setlinebuf setpgid setpriority setsid) 1269AC_CHECK_FUNCS(setrlimit) 1270AC_CHECK_FUNCS(settimeofday, ,[ 1271case "$host" in 1272 *-*-mpeix*) ac_cv_func_settimeofday=yes 1273 ;; 1274esac]) 1275AC_CHECK_FUNCS(setvbuf sigaction) 1276AC_CHECK_FUNCS(sigvec sigset sigsuspend stime strchr sysconf sysctl) 1277AC_CHECK_FUNCS(snprintf strdup strerror strstr) 1278AC_CHECK_FUNCS(timegm) 1279case "$host" in 1280 *-*-aix[[456]]*) 1281 # Just stubs. Idiots. 1282 ;; 1283 *-*-netbsd1*) 1284 # Just stubs. Idiots. 1285 ;; 1286 *-*-netbsdelf1*) 1287 # Just stubs. Idiots. 1288 ;; 1289 *-*-openbsd*) 1290 # Just stubs. Idiots. 1291 ;; 1292 *) AC_CHECK_FUNCS(timer_create timer_settime) 1293 ;; 1294esac 1295case "$host" in 1296 *-pc-cygwin*) 1297 # I have no idea... 1298 ;; 1299 *) AC_CHECK_FUNCS(umask) 1300 ;; 1301esac 1302AC_CHECK_FUNCS(uname updwtmp updwtmpx vsnprintf vsprintf) 1303 1304### 1305 1306# http://bugs.ntp.org/737 1307case "$ac_cv_func_recvmsg" in 1308 yes) 1309 AC_MSG_CHECKING([if we need extra help to define struct iovec]) 1310 AC_CACHE_VAL(ac_cv_struct_iovec_help,dnl 1311 [for ac_cv_struct_iovec_help in '0' '1'; do 1312 AC_TRY_COMPILE(dnl 1313[#ifdef HAVE_SYS_TYPES_H 1314#include <sys/types.h> 1315#endif 1316#ifdef HAVE_SYS_SOCKET_H 1317#include <sys/socket.h> 1318#endif 1319#if $ac_cv_struct_iovec_help 1320#include <sys/uio.h> 1321#endif 1322 1323void foo(); 1324void foo() { 1325 ssize_t x; 1326 int s = 0; 1327 struct iovec iov; 1328 struct msghdr mh; 1329 int flags = 0; 1330 1331 mh.msg_iov = &iov; 1332 x = recvmsg(s, &mh, flags); 1333}],,dnl 1334 [ac_worked=yes ; break 1], ac_worked=no) 1335 done 1336])dnl AC_CACHE_VAL 1337 case "$ac_worked$ac_cv_struct_iovec_help" in 1338 yes1) 1339 AC_DEFINE(HAVE_SYS_UIO_H, 1, [Use sys/uio.h for struct iovec help]) 1340 ans=yes 1341 ;; 1342 *) ans=no 1343 esac 1344 AC_MSG_RESULT([$ans]) 1345 ;; 1346esac 1347 1348case "$host" in 1349 *-*-sunos4*) 1350 AC_DEFINE(SPRINTF_CHAR, 1, [*s*printf() functions are char*]) 1351 ;; 1352esac 1353 1354AC_CACHE_CHECK([number of arguments to gettimeofday()], ac_cv_func_Xettimeofday_nargs, 1355[AC_TRY_COMPILE([#include <sys/time.h>],[ 1356gettimeofday((struct timeval*)0,(struct timezone*)0); 1357settimeofday((struct timeval*)0,(struct timezone*)0); 1358], 1359 ac_cv_func_Xettimeofday_nargs=2, ac_cv_func_Xettimeofday_nargs=1) 1360]) 1361if test $ac_cv_func_Xettimeofday_nargs = 1; then 1362 AC_DEFINE(SYSV_TIMEOFDAY, 1, [Does Xettimeofday take 1 arg?]) 1363fi 1364 1365AC_CACHE_CHECK([number of arguments taken by setpgrp()], ac_cv_func_setpgrp_nargs, 1366[AC_TRY_COMPILE([ 1367#ifdef HAVE_SYS_TYPES_H 1368# include <sys/types.h> 1369#endif 1370#ifdef HAVE_UNISTD_H 1371# include <unistd.h> 1372#endif 1373],[setpgrp(0,0);], 1374 ac_cv_func_setpgrp_nargs=2, ac_cv_func_setpgrp_nargs=0) 1375]) 1376if test $ac_cv_func_setpgrp_nargs = 0; then 1377 AC_DEFINE(HAVE_SETPGRP_0, 1, [define if setpgrp takes 0 arguments]) 1378fi 1379 1380save_CFLAGS=$CFLAGS 1381CFLAGS="$CFLAGS -I$srcdir/include" 1382 1383AC_CACHE_CHECK([argument pointer type of qsort()'s compare function and base], 1384ac_cv_func_qsort_argtype, 1385[AC_TRY_COMPILE([ 1386#include "l_stdlib.h" 1387 1388#ifdef HAVE_PROTOTYPES 1389#define P(x) x 1390#else 1391#define P(x) () 1392#endif 1393 1394extern void *base; 1395extern sortfunc P((const void *, const void *)); 1396int sortfunc(a, b) 1397 const void *a; 1398 const void *b; { return 0; } 1399],[ 1400qsort(base, 2, sizeof(char *), sortfunc); 1401], 1402 ac_cv_func_qsort_argtype=void, ac_cv_func_qsort_argtype=char) 1403]) 1404case "$ac_cv_func_qsort_argtype" in 1405 void) 1406 AC_DEFINE(QSORT_USES_VOID_P, 1, [Does qsort expect to work on "void *" stuff?]) 1407 ;; 1408esac 1409 1410CFLAGS=$save_CFLAGS 1411 1412AC_CACHE_CHECK([if we need to declare 'errno'], ac_cv_decl_errno, 1413[AC_TRY_COMPILE([#ifdef HAVE_ERRNO_H 1414#include <errno.h> 1415#endif], 1416 [errno = 0;], 1417 ac_cv_decl_errno=no, ac_cv_decl_errno=yes)]) 1418case "$ac_cv_decl_errno" in 1419 yes) AC_DEFINE(DECL_ERRNO, 1, [Declare errno?]) ;; 1420esac 1421 1422dnl FIXME: from ntpd/ntp_intres.c, but there's no info which header produces 1423dnl the clash. <resolv.h> isn't currently used. 1424dnl 1425dnl (prr) aix 4.3 defines h_errno as (*(int *)h_errno_which()) for 1426dnl MT purposes. This makes the line "extern int h_errno" choke 1427dnl the compiler. Hopefully adding !defined(h_errno) fixes this 1428dnl without breaking any other platforms. 1429dnl 1430AC_CACHE_CHECK([if we may declare 'h_errno'], ac_cv_decl_h_errno, 1431[AC_TRY_COMPILE([#include <sys/types.h> 1432#ifdef HAVE_NETINET_IN_H 1433#include <netinet/in.h> 1434#endif 1435#ifdef HAVE_ARPA_NAMESER_H 1436#include <arpa/nameser.h> 1437#endif 1438#ifdef HAVE_NETDB_H 1439#include <netdb.h> 1440#endif 1441#ifdef HAVE_RESOLV_H 1442#include <resolv.h> 1443#endif], 1444 [extern int h_errno;], 1445 ac_cv_decl_h_errno=yes, ac_cv_decl_h_errno=no)]) 1446case "$ac_cv_decl_h_errno" in 1447 yes) AC_DEFINE(DECL_H_ERRNO, 1, [Declare h_errno?]) ;; 1448esac 1449 1450dnl See if char *sys_errlist[] is OK. 1451AC_CACHE_CHECK([[if declaring 'char *sys_errlist[]' is ok]], ac_cv_decl_sys_errlist, 1452[AC_TRY_COMPILE([#include <stdio.h> 1453#ifdef HAVE_ERRNO_H 1454#include <errno.h> 1455#endif], 1456 [extern char *sys_errlist[]; 1457], 1458 ac_cv_decl_sys_errlist=yes, ac_cv_decl_sys_errlist=no)]) 1459case "$ac_cv_decl_sys_errlist" in 1460 yes) AC_DEFINE(CHAR_SYS_ERRLIST, 1, [Declare char *sys_errlist array]) ;; 1461esac 1462 1463AC_CACHE_CHECK([if declaring 'syscall()' is ok], ac_cv_decl_syscall, 1464[AC_TRY_COMPILE([ 1465#ifdef HAVE_SYS_TYPES_H 1466# include <sys/types.h> 1467#endif 1468#ifdef HAVE_UNISTD_H 1469# include <unistd.h> 1470#endif 1471#ifdef HAVE_PROTOTYPES 1472#define P(x) x 1473#else 1474#define P(x) () 1475#endif 1476], 1477 [extern int syscall P((int, ...));], 1478 ac_cv_decl_syscall=yes, ac_cv_decl_syscall=no)]) 1479case "$ac_cv_decl_syscall" in 1480 yes) AC_DEFINE(DECL_SYSCALL, 1, [Declare syscall()?]) ;; 1481esac 1482 1483case "$host" in 1484 *-*-aix4.3.*) 1485 AC_DEFINE(DECL_HSTRERROR_0, 1, [Declaration style]) # Needed for XLC under AIX 4.3.2 1486 ;; 1487 *-*-mpeix*) 1488 AC_DEFINE(DECL_ADJTIME_0, 1, [Declaration style]) 1489 AC_DEFINE(DECL_INET_NTOA_0, 1, [Declaration style]) 1490 AC_DEFINE(DECL_MKTEMP_0, 1, [Declaration style]) 1491 AC_DEFINE(DECL_SELECT_0, 1, [Declaration style]) 1492 AC_DEFINE(DECL_SETITIMER_0, 1, [Declaration style]) 1493 AC_DEFINE(DECL_SYSLOG_0, 1, [Declaration style]) 1494 AC_DEFINE(DECL_TIMEOFDAY_0, 1, [Declaration style]) 1495 ;; 1496 *-*-osf[[45]]*) 1497 AC_DEFINE(DECL_PLOCK_0, 1, [Declaration style]) 1498 AC_DEFINE(DECL_STIME_1, 1, [Declaration style]) 1499 ;; 1500 *-*-qnx*) 1501 AC_DEFINE(DECL_ADJTIME_0, 1, [Declaration style]) 1502 ;; 1503 *-*-riscos4*) 1504 AC_DEFINE(DECL_ADJTIME_0, 1, [Declaration style]) 1505 AC_DEFINE(DECL_BZERO_0, 1, [Declaration style]) 1506 AC_DEFINE(DECL_IOCTL_0, 1, [Declaration style]) 1507 AC_DEFINE(DECL_IPC_0, 1, [Declaration style]) 1508 AC_DEFINE(DECL_MEMMOVE_0, 1, [Declaration style]) 1509 AC_DEFINE(DECL_MKTEMP_0, 1, [Declaration style]) 1510 AC_DEFINE(DECL_RENAME_0, 1, [Declaration style]) 1511 AC_DEFINE(DECL_SELECT_0, 1, [Declaration style]) 1512 AC_DEFINE(DECL_SETITIMER_0, 1, [Declaration style]) 1513 AC_DEFINE(DECL_SETPRIORITY_0, 1, [Declaration style]) 1514 AC_DEFINE(DECL_STDIO_0, 1, [Declaration style]) 1515 AC_DEFINE(DECL_STRTOL_0, 1, [Declaration style]) 1516 AC_DEFINE(DECL_SYSLOG_0, 1, [Declaration style]) 1517 AC_DEFINE(DECL_TIME_0, 1, [Declaration style]) 1518 AC_DEFINE(DECL_TIMEOFDAY_0, 1, [Declaration style]) 1519 AC_DEFINE(DECL_TOLOWER_0, 1, [Declaration style]) 1520 ;; 1521 *-*-solaris2*) 1522 AC_DEFINE(DECL_MKSTEMP_0, 1, [Declaration style]) 1523 AC_DEFINE(DECL_SETPRIORITY_1, 1, [Declaration style]) 1524 case "$host" in 1525 *-*-solaris2.4) 1526 AC_DEFINE(DECL_TIMEOFDAY_0, 1, [Declaration style]) 1527 ;; 1528 esac 1529 ;; 1530 *-*-sunos4*) 1531 AC_DEFINE(DECL_ADJTIME_0, 1, [Declaration style]) 1532 AC_DEFINE(DECL_BCOPY_0, 1, [Declaration style]) 1533 AC_DEFINE(DECL_BZERO_0, 1, [Declaration style]) 1534 AC_DEFINE(DECL_IOCTL_0, 1, [Declaration style]) 1535 AC_DEFINE(DECL_IPC_0, 1, [Declaration style]) 1536 AC_DEFINE(DECL_MEMMOVE_0, 1, [Declaration style]) 1537 AC_DEFINE(DECL_MKTEMP_0, 1, [Declaration style]) 1538 AC_DEFINE(DECL_MKSTEMP_0, 1, [Declaration style]) 1539 AC_DEFINE(DECL_RENAME_0, 1, [Declaration style]) 1540 AC_DEFINE(DECL_SELECT_0, 1, [Declaration style]) 1541 AC_DEFINE(DECL_SETITIMER_0, 1, [Declaration style]) 1542 AC_DEFINE(DECL_SETPRIORITY_0, 1, [Declaration style]) 1543 AC_DEFINE(DECL_SIGVEC_0, 1, [Declaration style]) 1544 case "`basename $ac_cv_prog_CC`" in 1545 acc*) ;; 1546 *) AC_DEFINE(DECL_STDIO_0, 1, [Declaration style]) 1547 ;; 1548 esac 1549 AC_DEFINE(DECL_STRTOL_0, 1, [Declaration style]) 1550 AC_DEFINE(DECL_SYSLOG_0, 1, [Declaration style]) 1551 AC_DEFINE(DECL_TIME_0, 1, [Declaration style]) 1552 AC_DEFINE(DECL_TIMEOFDAY_0, 1, [Declaration style]) 1553 AC_DEFINE(DECL_TOLOWER_0, 1, [Declaration style]) 1554 AC_DEFINE(DECL_TOUPPER_0, 1, [Declaration style]) 1555 AC_DEFINE(DECL_STRERROR_0, 1, [Declaration style]) 1556 ;; 1557 *-*-ultrix4*) 1558 AC_DEFINE(DECL_ADJTIME_0, 1, [Declaration style]) 1559 AC_DEFINE(DECL_BZERO_0, 1, [Declaration style]) 1560 AC_DEFINE(DECL_CFSETISPEED_0, 1, [Declaration style]) 1561 AC_DEFINE(DECL_IOCTL_0, 1, [Declaration style]) 1562 AC_DEFINE(DECL_IPC_0, 1, [Declaration style]) 1563 AC_DEFINE(DECL_MKTEMP_0, 1, [Declaration style]) 1564 AC_DEFINE(DECL_NLIST_0, 1, [Declaration style]) 1565 AC_DEFINE(DECL_PLOCK_0, 1, [Declaration style]) 1566 AC_DEFINE(DECL_SELECT_0, 1, [Declaration style]) 1567 AC_DEFINE(DECL_SETITIMER_0, 1, [Declaration style]) 1568 AC_DEFINE(DECL_SETPRIORITY_0, 1, [Declaration style]) 1569 AC_DEFINE(DECL_STIME_0, 1, [Declaration style]) 1570 AC_DEFINE(DECL_SYSLOG_0, 1, [Declaration style]) 1571 AC_DEFINE(DECL_TIMEOFDAY_0, 1, [Declaration style]) 1572 ;; 1573esac 1574 1575case "$host" in 1576 *-*-sco3.2*) 1577 AC_DEFINE(TERMIOS_NEEDS__SVID3, 1, [Do we need to #define _SVID3 when we #include <termios.h>?]) 1578 ;; 1579esac 1580 1581AC_CACHE_CHECK([if we need extra room for SO_RCVBUF], ac_cv_var_rcvbuf_slop, 1582[ans=no 1583case "$host" in 1584 *-*-hpux[[567]]*) 1585 ans=yes 1586 ;; 1587esac 1588ac_cv_var_rcvbuf_slop=$ans]) 1589case "$ac_cv_var_rcvbuf_slop" in 1590 yes) AC_DEFINE(NEED_RCVBUF_SLOP, 1, [Do we need extra room for SO_RCVBUF? (HPUX <8)]) ;; 1591esac 1592 1593AC_CACHE_CHECK([if we will open the broadcast socket], ac_cv_var_open_bcast_socket, 1594[ans=yes 1595case "$host" in 1596 *-*-domainos) 1597 ans=no 1598 ;; 1599esac 1600ac_cv_var_open_bcast_socket=$ans]) 1601case "$ac_cv_var_open_bcast_socket" in 1602 yes) AC_DEFINE(OPEN_BCAST_SOCKET, 1, [Should we open the broadcast socket?]) ;; 1603esac 1604 1605AC_CACHE_CHECK([if we want the HPUX version of FindConfig()], ac_cv_var_hpux_findconfig, 1606[ans=no 1607case "$host" in 1608 *-*-hpux*) 1609 ans=yes 1610 ;; 1611esac 1612ac_cv_var_hpux_findconfig=$ans]) 1613case "$ac_cv_var_hpux_findconfig" in 1614 yes) AC_DEFINE(NEED_HPUX_FINDCONFIG, 1, [Do we want the HPUX FindConfig()?]) ;; 1615esac 1616 1617AC_CACHE_CHECK([if process groups are set with -pid], ac_cv_arg_setpgrp_negpid, 1618[case "$host" in 1619 *-*-hpux[[567]]*) 1620 ans=no 1621 ;; 1622 *-*-hpux*) 1623 ans=yes 1624 ;; 1625 *-*-*linux*) 1626 ans=yes 1627 ;; 1628 *-*-sunos3*) 1629 ans=yes 1630 ;; 1631 *-*-ultrix2*) 1632 ans=yes 1633 ;; 1634 *) 1635 ans=no 1636 ;; 1637esac 1638ac_cv_arg_setpgrp_negpid=$ans]) 1639case "$ac_cv_arg_setpgrp_negpid" in 1640 yes) AC_DEFINE(UDP_BACKWARDS_SETOWN, 1, [Do we set process groups with -pid?]) ;; 1641esac 1642 1643AC_CACHE_CHECK([if we need a ctty for F_SETOWN], ac_cv_func_ctty_for_f_setown, 1644[[case "$host" in 1645 *-*-bsdi[23]*) 1646 ans=yes 1647 ;; 1648 *-*-freebsd*) 1649 ans=yes 1650 ;; 1651 *-*-netbsd*3.[0-8]*|*-*-netbsd*[0-2].*|*-*-netbsd*3.99.[0-7]) 1652 ans=yes 1653 ;; 1654 *-*-openbsd*) 1655 ans=yes 1656 ;; 1657 *-*-osf*) 1658 ans=yes 1659 ;; 1660 *-*-darwin*) 1661 ans=yes 1662 ;; 1663 *) ans=no 1664 ;; 1665esac 1666ac_cv_func_ctty_for_f_setown=$ans]]) 1667case "$ac_cv_func_ctty_for_f_setown" in 1668 yes) AC_DEFINE(USE_FSETOWNCTTY, 1, [Must we have a CTTY for fsetown?]) ;; 1669esac 1670 1671AC_CACHE_CHECK([if the OS fails to clear cached routes when more specific routes become available], ac_cv_os_routeupdates, 1672[[case "$host" in 1673 *-*-netbsd*) 1674 ans=yes 1675 ;; 1676 *) ans=no 1677 ;; 1678esac 1679ac_cv_os_routeupdates=$ans]]) 1680case "$ac_cv_os_routeupdates" in 1681 yes) AC_DEFINE(OS_MISSES_SPECIFIC_ROUTE_UPDATES, 1, [need to recreate sockets on changed routing?]) ;; 1682esac 1683 1684AC_CACHE_CHECK([if the OS needs the wildcard socket set to REUSEADDR for binding interface addresses], ac_cv_os_wildcardreuse, 1685[[case "$host" in 1686 *-*-*linux*) 1687 ans=yes 1688 ;; 1689 *) ans=no 1690 ;; 1691esac 1692ac_cv_os_wildcardreuse=$ans]]) 1693case "$ac_cv_os_wildcardreuse" in 1694 yes) AC_DEFINE(OS_NEEDS_REUSEADDR_FOR_IFADDRBIND, 1, [wildcard socket needs to set REUSEADDR when binding to interface addresses]) ;; 1695esac 1696 1697ntp_warning='GRONK' 1698AC_MSG_CHECKING([if we'll use clock_settime or settimeofday or stime]) 1699case "$ac_cv_func_clock_settime$ac_cv_func_settimeofday$ac_cv_func_stime" in 1700 yes*) 1701 ntp_warning='' 1702 ans='clock_settime()' 1703 ;; 1704 noyes*) 1705 ntp_warning='But clock_settime() would be better (if we had it)' 1706 ans='settimeofday()' 1707 ;; 1708 nonoyes) 1709 ntp_warning='Which is the worst of the three' 1710 ans='stime()' 1711 ;; 1712 *) 1713 case "$build" in 1714 $host) ntp_warning='Which leaves us with nothing to use!' 1715 ans=none 1716 ;; 1717esac 1718esac 1719AC_MSG_RESULT([$ans]) 1720case "$ntp_warning" in 1721 '') ;; 1722 *) AC_MSG_WARN([*** $ntp_warning ***]) 1723 ;; 1724esac 1725 1726AC_CACHE_CHECK([if we have a losing syscall()], ac_cv_var_syscall_bug, 1727[case "$host" in 1728 *-*-solaris2.4*) 1729 ans=yes 1730 ;; 1731 *) ans=no 1732 ;; 1733esac 1734ac_cv_var_syscall_bug=$ans]) 1735case "$ac_cv_var_syscall_bug" in 1736 yes) AC_DEFINE(SYSCALL_BUG, 1, [Buggy syscall() (Solaris2.4)?]) ;; 1737esac 1738 1739AC_CACHE_CHECK([for SIGIO], ac_cv_hdr_def_sigio, 1740 AC_EGREP_CPP(yes, 1741 [#include <signal.h> 1742#ifdef SIGIO 1743 yes 1744#endif 1745 ], ac_cv_hdr_def_sigio=yes, ac_cv_hdr_def_sigio=no)) 1746 1747dnl Override those system that have a losing SIGIO 1748AC_CACHE_CHECK([if we want to use signalled IO], ac_cv_var_signalled_io, 1749[ans=no 1750case "$ac_cv_hdr_def_sigio" in 1751 yes) 1752 ans=yes 1753 case "$host" in 1754 alpha*-dec-osf4*|alpha*-dec-osf5*) 1755 ans=no 1756 ;; 1757 *-convex-*) 1758 ans=no 1759 ;; 1760 *-dec-*) 1761 ans=no 1762 ;; 1763 *-pc-cygwin*) 1764 ans=no 1765 ;; 1766 *-sni-sysv*) 1767 ans=no 1768 ;; 1769 *-univel-sysv*) 1770 ans=no 1771 ;; 1772 *-*-irix6*) 1773 ans=no 1774 ;; 1775 *-*-freebsd*) 1776 ans=no 1777 ;; 1778 *-*-*linux*) 1779 ans=no 1780 ;; 1781 *-*-unicosmp*) 1782 ans=no 1783 ;; 1784 esac 1785 ;; 1786esac 1787ac_cv_var_signalled_io=$ans]) 1788case "$ac_cv_var_signalled_io" in 1789 yes) AC_DEFINE(HAVE_SIGNALED_IO, 1, [Can we use SIGIO for tcp and udp IO?]) ;; 1790esac 1791 1792AC_CACHE_CHECK([for SIGPOLL], ac_cv_hdr_def_sigpoll, 1793 AC_EGREP_CPP(yes, 1794 [#include <signal.h> 1795#ifdef SIGPOLL 1796 yes 1797#endif 1798 ], ac_cv_hdr_def_sigpoll=yes, ac_cv_hdr_def_sigpoll=no)) 1799 1800AC_CACHE_CHECK([for SIGSYS], ac_cv_hdr_def_sigsys, 1801 AC_EGREP_CPP(yes, 1802 [#include <signal.h> 1803#ifdef SIGSYS 1804 yes 1805#endif 1806 ], ac_cv_hdr_def_sigsys=yes, ac_cv_hdr_def_sigsys=no)) 1807 1808AC_CACHE_CHECK([if we can use SIGPOLL for UDP I/O], ac_cv_var_use_udp_sigpoll, 1809[ans=no 1810case "$ac_cv_hdr_def_sigpoll" in 1811 yes) 1812 case "$host" in 1813 mips-sgi-irix*) 1814 ans=no 1815 ;; 1816 vax-dec-bsd) 1817 ans=no 1818 ;; 1819 *-pc-cygwin*) 1820 ans=no 1821 ;; 1822 *-sni-sysv*) 1823 ans=no 1824 ;; 1825 *-*-aix[[456]]*) 1826 ans=no 1827 ;; 1828 *-*-hpux*) 1829 ans=no 1830 ;; 1831 *-*-*linux*) 1832 ans=no 1833 ;; 1834 *-*-osf*) 1835 ans=no 1836 ;; 1837 *-*-qnx*) 1838 ans=no 1839 ;; 1840 *-*-sunos*) 1841 ans=no 1842 ;; 1843 *-*-solaris*) 1844 ans=no 1845 ;; 1846 *-*-ultrix*) 1847 ans=no 1848 ;; 1849 *-*-unicosmp*) 1850 ans=no 1851 ;; 1852 *) ans=yes 1853 ;; 1854 esac 1855 ;; 1856esac 1857ac_cv_var_use_udp_sigpoll=$ans]) 1858case "$ac_cv_var_use_udp_sigpoll" in 1859 yes) AC_DEFINE(USE_UDP_SIGPOLL, 1, [Can we use SIGPOLL for UDP?]) ;; 1860esac 1861 1862AC_CACHE_CHECK([if we can use SIGPOLL for TTY I/O], ac_cv_var_use_tty_sigpoll, 1863[ans=no 1864case "$ac_cv_hdr_def_sigpoll" in 1865 yes) 1866 case "$host" in 1867 mips-sgi-irix*) 1868 ans=no 1869 ;; 1870 vax-dec-bsd) 1871 ans=no 1872 ;; 1873 *-pc-cygwin*) 1874 ans=no 1875 ;; 1876 *-sni-sysv*) 1877 ans=no 1878 ;; 1879 *-*-aix[[456]]*) 1880 ans=no 1881 ;; 1882 *-*-hpux*) 1883 ans=no 1884 ;; 1885 *-*-*linux*) 1886 ans=no 1887 ;; 1888 *-*-osf*) 1889 ans=no 1890 ;; 1891 *-*-sunos*) 1892 ans=no 1893 ;; 1894 *-*-ultrix*) 1895 ans=no 1896 ;; 1897 *-*-qnx*) 1898 ans=no 1899 ;; 1900 *-*-unicosmp*) 1901 ans=no 1902 ;; 1903 *) ans=yes 1904 ;; 1905 esac 1906 ;; 1907esac 1908ac_cv_var_use_tty_sigpoll=$ans]) 1909case "$ac_cv_var_use_tty_sigpoll" in 1910 yes) AC_DEFINE(USE_TTY_SIGPOLL, 1, [Can we use SIGPOLL for tty IO?]) ;; 1911esac 1912 1913case "$ac_cv_header_sys_sio_h" in 1914 yes) 1915 AC_CACHE_CHECK([sys/sio.h for TIOCDCDTIMESTAMP], ac_cv_hdr_def_tiocdcdtimestamp, 1916 AC_EGREP_CPP(yes, 1917[#include <sys/sio.h> 1918#ifdef TIOCDCDTIMESTAMP 1919 yes 1920#endif 1921 ], ac_cv_hdr_def_tiocdcdtimestamp=yes, ac_cv_hdr_def_tiocdcdtimestamp=no)) 1922 ;; 1923esac 1924 1925case "$ac_cv_hdr_def_tiocdcdtimestamp" in 1926 yes) 1927 ac_cv_var_oncore_ok=yes 1928 ;; 1929esac 1930 1931AC_CACHE_CHECK([if nlist() values might require extra indirection], 1932ac_cv_var_nlist_extra_indirection, 1933[ans=no 1934case "$host" in 1935 *-*-aix*) 1936 ans=yes 1937 ;; 1938esac 1939ac_cv_var_nlist_extra_indirection=$ans]) 1940case "$ac_cv_var_nlist_extra_indirection" in 1941 yes) AC_DEFINE(NLIST_EXTRA_INDIRECTION, 1, [Might nlist() values require an extra level of indirection (AIX)?]) ;; 1942esac 1943 1944AC_CACHE_CHECK([for a minimum recommended value of tickadj], 1945ac_cv_var_min_rec_tickadj, 1946[ans=no 1947case "$host" in 1948 *-*-aix*) 1949 ans=40 1950 ;; 1951esac 1952ac_cv_var_min_rec_tickadj=$ans]) 1953case "$ac_cv_var_min_rec_tickadj" in 1954 ''|no) ;; 1955 *) AC_DEFINE_UNQUOTED(MIN_REC_TICKADJ, $ac_cv_var_min_rec_tickadj, [Should we recommend a minimum value for tickadj?]) ;; 1956esac 1957 1958AC_CACHE_CHECK([if the TTY code permits PARENB and IGNPAR], 1959ac_cv_var_no_parenb_ignpar, 1960[ans=no 1961case "$host" in 1962 i?86-*-*linux*) 1963 ans=yes 1964 ;; 1965 mips-sgi-irix*) 1966 ans=yes 1967 ;; 1968 i?86-*-freebsd[[123]].*) 1969 ;; 1970 i?86-*-freebsd*) 1971 ans=yes 1972 ;; 1973 *-*-unicosmp*) 1974 ans=yes 1975 ;; 1976esac 1977ac_cv_var_no_parenb_ignpar=$ans]) 1978case "$ac_cv_var_no_parenb_ignpar" in 1979 yes) AC_DEFINE(NO_PARENB_IGNPAR, 1, [Is there a problem using PARENB and IGNPAR (IRIX)?]) ;; 1980esac 1981 1982AC_MSG_CHECKING([if we're including debugging code]) 1983AC_ARG_ENABLE(debugging, 1984 AC_HELP_STRING([--enable-debugging], [+ include debugging code]), 1985 [ntp_ok=$enableval], [ntp_ok=yes]) 1986if test "$ntp_ok" = "yes"; then 1987 AC_DEFINE(DEBUG, 1, [Enable debugging?]) 1988fi 1989AC_MSG_RESULT($ntp_ok) 1990 1991AC_MSG_CHECKING([if we including processing time debugging code]) 1992AC_ARG_ENABLE(debug-timing, 1993 AC_HELP_STRING([--enable-debug-timing], [- include processing time debugging code (costs performance)]), 1994 [ntp_ok=$enableval], [ntp_ok=no]) 1995if test "$ntp_ok" = "yes"; then 1996 AC_DEFINE(DEBUG_TIMING, 1, [Enable processing time debugging?]) 1997fi 1998AC_MSG_RESULT($ntp_ok) 1999 2000AC_MSG_C…
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