1: # -*- Autoconf -*-
2: # Process this file with autoconf to produce a configure script.
3: m4_include([../version.m4])
4: AC_PREREQ([2.61])
5: AC_INIT([sntp], [VERSION_NUMBER])
6: AC_CONFIG_MACRO_DIR([../m4])
7: AC_CONFIG_AUX_DIR([.])
8:
9: # Increment sntp_configure_cache_version by one for each change to
10: # configure.ac or .m4 files which invalidates cached values from
11: # previous versions.
12: #
13: # If the change affects cache variables used only by the main NTP
14: # configure.ac, then only its version number should be bumped, while
15: # the subdir configure.ac version numbers should be unchanged. The
16: # same is true for a test/variable that is used only by one subdir
17: # being changed incompatibly; only that subdir's cache version needs
18: # bumping.
19: #
20: # If a change affects variables shared by all NTP configure scripts,
21: # please bump the version numbers of all three. If you are not sure,
22: # the safe choice is to bump all three on any cache-invalidating change.
23: #
24: # In order to avoid the risk of version stamp collision between -stable
25: # and -dev branches, do not simply increment the version, instead use
26: # the date YYYYMMDD optionally with -HHMM if there is more than one
27: # bump in a day.
28:
29: sntp_configure_cache_version=20091117
30:
31: # When the version of config.cache and configure do not
32: # match, NTP_CACHEVERSION will flush the cache.
33:
34: NTP_CACHEVERSION([sntp], [$sntp_configure_cache_version])
35:
36: AM_INIT_AUTOMAKE
37: AC_CANONICAL_BUILD
38: AC_CANONICAL_HOST
39: dnl the 'build' machine is where we run configure and compile
40: dnl the 'host' machine is where the resulting stuff runs.
41: AC_DEFINE_UNQUOTED([STR_SYSTEM], "$host", [canonical system (cpu-vendor-os) of where we should run])
42: AC_CONFIG_HEADER([config.h])
43: dnl AC_ARG_PROGRAM
44:
45: # Checks for programs.
46: AM_PROG_CC_C_O
47: AC_PROG_CPP
48:
49: # AC_PROG_CC_STDC has two functions. It attempts to find a compiler
50: # capable of C99, or failing that, for C89. CC is set afterward with
51: # the selected invocation, such as "gcc --std=gnu99". Also, the
52: # ac_cv_prog_cc_stdc variable is no if the compiler selected for CC
53: # does not accept C89.
54:
55: AC_PROG_CC_STDC
56:
57: case "$ac_cv_prog_cc_stdc" in
58: no)
59: AC_MSG_WARN([ANSI C89/ISO C90 is the minimum to compile SNTP ]
60: [version 4.2.5 and higher.])
61: esac
62:
63: AC_CACHE_CHECK(
64: [if $CC can handle @%:@warning],
65: [ntp_cv_cpp_warning],
66: [AC_COMPILE_IFELSE(
67: [AC_LANG_PROGRAM([[]], [[#warning foo]])],
68: [ntp_cv_cpp_warning=yes],
69: [ntp_cv_cpp_warning=no]
70: )]
71: )
72: case "$ntp_cv_cpp_warning" in
73: no)
74: AC_DEFINE([NO_OPTION_NAME_WARNINGS], [1],
75: [Should we avoid @%:@warning on option name collisions?])
76: esac
77:
78: case "$GCC" in
79: yes)
80: SAVED_CFLAGS_NTP="$CFLAGS"
81: CFLAGS="$CFLAGS -Wstrict-overflow"
82: AC_CACHE_CHECK(
83: [if $CC can handle -Wstrict-overflow],
84: [ntp_cv_gcc_Wstrict_overflow],
85: [AC_COMPILE_IFELSE(
86: [AC_LANG_PROGRAM([[]], [[]])],
87: [ntp_cv_gcc_Wstrict_overflow=yes],
88: [ntp_cv_gcc_Wstrict_overflow=no]
89: ) ]
90: )
91: #
92: # $ntp_cv_gcc_Wstrict_overflow is tested later to add the
93: # flag to CFLAGS.
94: #
95: CFLAGS="$SAVED_CFLAGS_NTP -Winit-self"
96: AC_CACHE_CHECK(
97: [if $CC can handle -Winit-self],
98: [ntp_cv_gcc_Winit_self],
99: [
100: AC_COMPILE_IFELSE(
101: [AC_LANG_PROGRAM([[]], [[]])],
102: [ntp_cv_gcc_Winit_self=yes],
103: [ntp_cv_gcc_Winit_self=no]
104: )
105: ]
106: )
107: CFLAGS="$SAVED_CFLAGS_NTP"
108: AS_UNSET([SAVED_CFLAGS_NTP])
109: #
110: # $ntp_cv_gcc_Winit_self is tested later to add the
111: # flag to CFLAGS.
112: #
113: esac
114:
115: # HMS: These need to be moved to AM_CPPFLAGS and/or AM_CFLAGS
116: case "$host" in
117: *-*-solaris*)
118: # see "man standards".
119: # -D_XOPEN_SOURCE=500 is probably OK for c89 and before
120: # -D_XOPEN_SOURCE=600 seems OK for c99
121: #CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500 -D__EXTENSIONS__"
122: CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
123: libxnet=-lxnet
124: ;;
125: esac
126:
127: AC_DISABLE_SHARED
128:
129: # NTP has (so far) been relying on leading-edge autogen.
130: # Therefore, by default:
131: # - use the version we ship with
132: # - do not install it
133: # - build a static copy (AC_DISABLE_SHARED - done earlier)
134: case "${enable_local_libopts+set}" in
135: set) ;;
136: *) enable_local_libopts=yes ;;
137: esac
138: case "${enable_libopts_install+set}" in
139: set) ;;
140: *) enable_libopts_install=no ;;
141: esac
142: LIBOPTS_CHECK
143:
144: AC_PROG_LIBTOOL
145: NTP_DIR_SEP
146:
147: # Checks for libraries.
148: NTP_LIB_M
149:
150: case "$GCC" in
151: yes)
152: CFLAGS="$CFLAGS -Wall"
153: # CFLAGS="$CFLAGS -Wcast-align"
154: CFLAGS="$CFLAGS -Wcast-qual"
155: # CFLAGS="$CFLAGS -Wconversion"
156: # CFLAGS="$CFLAGS -Werror"
157: # CFLAGS="$CFLAGS -Wextra"
158: # CFLAGS="$CFLAGS -Wfloat-equal"
159: CFLAGS="$CFLAGS -Wmissing-prototypes"
160: CFLAGS="$CFLAGS -Wpointer-arith"
161: CFLAGS="$CFLAGS -Wshadow"
162: # CFLAGS="$CFLAGS -Wtraditional"
163: # CFLAGS="$CFLAGS -Wwrite-strings"
164: case "$ntp_cv_gcc_Winit_self" in
165: yes)
166: CFLAGS="$CFLAGS -Winit-self"
167: esac
168: case "$ntp_cv_gcc_Wstrict_overflow" in
169: yes)
170: CFLAGS="$CFLAGS -Wstrict-overflow"
171: esac
172: # -W[no-]strict-prototypes is added later depending on OpenSSL
173: esac
174:
175: AC_CHECK_FUNC([gethostent], ,
176: [AC_SEARCH_LIBS([gethostent], [nsl], , , [$libxnet -lsocket])])
177: AC_CHECK_FUNC([openlog], ,
178: [AC_SEARCH_LIBS([openlog], [gen], ,
179: [AC_SEARCH_LIBS([openlog], [syslog], , , [$libxnet -lsocket])])])
180:
181: AC_SEARCH_LIBS([setsockopt], [socket xnet])
182:
183: # Checks for header files.
184: AC_HEADER_STDC
185:
186: dnl HP-UX 11.31 on HPPA has a net/if.h that can't be compiled with gcc4
187: dnl due to an incomplete type (a union) mpinfou used in an array. gcc3
188: dnl compiles it without complaint. The mpinfou union is defined later
189: dnl in the resulting preprocessed source than the spu_info array in
190: dnl /usr/include/machine/sys/getppdp.h:
191: dnl extern union mpinfou spu_info[];
192: dnl triggering the error. Our strategy is on HP-UX only, test for
193: dnl net/netmp.h, which is the file included by net/if.h that leads to
194: dnl getppdp.h. If it is present but can't be compiled, try adding
195: dnl a duplicate definition of mpinfou, which should then allow the
196: dnl following net/if.h and net/if6.h tests to proceed normally.
197: dnl Using net/netmp.h allows us to avoid polluting test results for
198: dnl net/if.h.
199: #
200: case "$host" in
201: *-hp-hpux*)
202: AC_CHECK_HEADERS(
203: [net/netmp.h],
204: [netmp_h_works=yes],
205: [netmp_h_works=no]
206: )
207: case "$netmp_h_works" in
208: no)
209: cat >>confdefs.h <<_ACEOF
210: #ifndef MPINFOU_PREDECLARED
211: # define MPINFOU_PREDECLARED
212: typedef union mpinfou { /* For lint */
213: struct pdk_mpinfo *pdkptr;
214: struct mpinfo *pikptr;
215: } mpinfou_t;
216: #endif
217: _ACEOF
218: AH_BOTTOM([
219: #ifndef MPINFOU_PREDECLARED
220: # define MPINFOU_PREDECLARED
221: typedef union mpinfou { /* For lint */
222: struct pdk_mpinfo *pdkptr;
223: struct mpinfo *pikptr;
224: } mpinfou_t;
225: #endif
226: ])
227: ;;
228: esac
229: ;;
230: esac
231:
232: AC_CHECK_HEADERS([netdb.h netinet/in.h stdlib.h string.h strings.h syslog.h])
233: AC_CHECK_HEADERS([sys/socket.h sys/time.h])
234: AC_HEADER_TIME
235:
236: # Checks for typedefs, structures, and compiler characteristics.
237: AC_HEADER_STDBOOL
238: AC_C_CONST
239: AC_TYPE_SIZE_T
240: AC_CHECK_SIZEOF([time_t])
241:
242: AC_C_INLINE
243:
244: case "$ac_cv_c_inline" in
245: '')
246: ;;
247: *)
248: AC_DEFINE(HAVE_INLINE,1,[inline keyword or macro available])
249: AC_SUBST(HAVE_INLINE)
250: esac
251:
252: AC_C_CHAR_UNSIGNED dnl CROSS_COMPILE?
253: AC_CHECK_SIZEOF([signed char])
254: AC_CHECK_SIZEOF([int])
255: AC_CHECK_SIZEOF([long])
256:
257: AC_CHECK_TYPES([s_char])
258: case "$ac_cv_c_char_unsigned$ac_cv_sizeof_signed_char$ac_cv_type_s_char" in
259: *yes)
260: # We have a typedef for s_char. Might as well believe it...
261: ;;
262: no0no)
263: # We have signed chars, can't say 'signed char', no s_char typedef.
264: AC_DEFINE([NEED_S_CHAR_TYPEDEF], 1, [Do we need an s_char typedef?])
265: ;;
266: no1no)
267: # We have signed chars, can say 'signed char', no s_char typedef.
268: AC_DEFINE([NEED_S_CHAR_TYPEDEF])
269: ;;
270: yes0no)
271: # We have unsigned chars, can't say 'signed char', no s_char typedef.
272: AC_MSG_ERROR([No way to specify a signed character!])
273: ;;
274: yes1no)
275: # We have unsigned chars, can say 'signed char', no s_char typedef.
276: AC_DEFINE([NEED_S_CHAR_TYPEDEF])
277: ;;
278: esac
279: AC_TYPE_UID_T
280:
281: NTP_OPENSSL
282:
283: AC_CACHE_CHECK(
284: [type of socklen arg for getsockname()],
285: [ntp_cv_getsockname_socklen_type],
286: [
287: getsockname_socklen_type_found=no
288: for getsockname_arg2 in 'struct sockaddr *' 'void *'; do
289: for ntp_cv_getsockname_socklen_type in 'socklen_t' 'size_t' 'unsigned int' 'int'; do
290: AC_COMPILE_IFELSE(
291: [AC_LANG_PROGRAM(
292: [[
293: #ifdef HAVE_SYS_TYPES_H
294: # include <sys/types.h>
295: #endif
296: #ifdef HAVE_SYS_SOCKET_H
297: # include <sys/socket.h>
298: #endif
299: ]], [[
300: extern
301: getsockname(int, $getsockname_arg2,
302: $ntp_cv_getsockname_socklen_type *);
303: ]]
304: )],
305: [getsockname_socklen_type_found=yes ; break 2],
306: []
307: )
308: done
309: done
310: case "$getsockname_socklen_type_found" in
311: no)
312: ntp_cv_getsockname_socklen_type='socklen_t'
313: esac
314: AS_UNSET([getsockname_arg2])
315: AS_UNSET([getsockname_socklen_type_found])
316: ]
317: )
318: AC_DEFINE_UNQUOTED([GETSOCKNAME_SOCKLEN_TYPE],
319: $ntp_cv_getsockname_socklen_type,
320: [What is getsockname()'s socklen type?])
321:
322: AC_CACHE_CHECK(
323: [for struct sockaddr_storage],
324: [ntp_cv_sockaddr_storage],
325: [AC_COMPILE_IFELSE(
326: [AC_LANG_PROGRAM(
327: [[
328: #ifdef HAVE_SYS_TYPES_H
329: # include <sys/types.h>
330: #endif
331: #ifdef HAVE_SYS_SOCKET_H
332: # include <sys/socket.h>
333: #endif
334: #ifdef HAVE_NETINET_IN_H
335: # include <netinet/in.h>
336: #endif
337: ]],
338: [[
339: struct sockaddr_storage n;
340: ]]
341: )],
342: [ntp_cv_sockaddr_storage=yes],
343: [ntp_cv_sockaddr_storage=no]
344: )]
345: )
346: case "$ntp_cv_sockaddr_storage" in
347: yes)
348: AC_DEFINE([HAVE_STRUCT_SOCKADDR_STORAGE], [1],
349: [Does a system header define struct sockaddr_storage?])
350: esac
351:
352: AC_CACHE_CHECK(
353: [for sockaddr_storage.ss_family],
354: [ntp_cv_have_ss_family],
355: [AC_COMPILE_IFELSE(
356: [AC_LANG_PROGRAM(
357: [[
358: #ifdef HAVE_SYS_TYPES_H
359: # include <sys/types.h>
360: #endif
361: #ifdef HAVE_SYS_SOCKET_H
362: # include <sys/socket.h>
363: #endif
364: #ifdef HAVE_NETINET_IN_H
365: # include <netinet/in.h>
366: #endif
367: ]],
368: [[
369: struct sockaddr_storage s;
370: s.ss_family = 1;
371: ]]
372: )],
373: [ntp_cv_have_ss_family=yes],
374: [ntp_cv_have_ss_family=no]
375: )]
376: )
377:
378: case "$ntp_cv_have_ss_family" in
379: no)
380: AC_CACHE_CHECK(
381: [for sockaddr_storage.__ss_family],
382: [ntp_cv_have___ss_family],
383: [AC_COMPILE_IFELSE(
384: [AC_LANG_PROGRAM(
385: [[
386: #ifdef HAVE_SYS_TYPES_H
387: # include <sys/types.h>
388: #endif
389: #ifdef HAVE_SYS_SOCKET_H
390: # include <sys/socket.h>
391: #endif
392: #ifdef HAVE_NETINET_IN_H
393: # include <netinet/in.h>
394: #endif
395: ]],
396: [[
397: struct sockaddr_storage s;
398: s.__ss_family = 1;
399: ]]
400: )],
401: [ntp_cv_have___ss_family=yes],
402: [ntp_cv_have___ss_family=no]
403: )]
404: )
405: case "$ntp_cv_have___ss_family" in
406: yes)
407: AC_DEFINE([HAVE___SS_FAMILY_IN_SS], [1],
408: [Does struct sockaddr_storage have __ss_family?])
409: esac
410: esac
411:
412: AH_VERBATIM(
413: [HAVE___SS_FAMILY_IN_SS_VERBATIM],
414: [
415: /* Handle sockaddr_storage.__ss_family */
416: #ifdef HAVE___SS_FAMILY_IN_SS
417: # define ss_family __ss_family
418: #endif /* HAVE___SS_FAMILY_IN_SS */
419: ]
420: )
421:
422: AC_CACHE_CHECK(
423: [for sockaddr_storage.ss_len],
424: [ntp_cv_have_ss_len],
425: [AC_COMPILE_IFELSE(
426: [AC_LANG_PROGRAM(
427: [[
428: #ifdef HAVE_SYS_TYPES_H
429: # include <sys/types.h>
430: #endif
431: #ifdef HAVE_SYS_SOCKET_H
432: # include <sys/socket.h>
433: #endif
434: #ifdef HAVE_NETINET_IN_H
435: # include <netinet/in.h>
436: #endif
437: ]],
438: [[
439: struct sockaddr_storage s;
440: s.ss_len = 1;
441: ]]
442: )],
443: [ntp_cv_have_ss_len=yes],
444: [ntp_cv_have_ss_len=no]
445: )]
446: )
447:
448: case "$ntp_cv_have_ss_len" in
449: no)
450: AC_CACHE_CHECK(
451: [for sockaddr_storage.__ss_len],
452: [ntp_cv_have___ss_len],
453: [AC_COMPILE_IFELSE(
454: [AC_LANG_PROGRAM(
455: [[
456: #ifdef HAVE_SYS_TYPES_H
457: # include <sys/types.h>
458: #endif
459: #ifdef HAVE_SYS_SOCKET_H
460: # include <sys/socket.h>
461: #endif
462: #ifdef HAVE_NETINET_IN_H
463: # include <netinet/in.h>
464: #endif
465: ]],
466: [[
467: struct sockaddr_storage s;
468: s.__ss_len = 1;
469: ]]
470: )],
471: [ntp_cv_have___ss_len=yes],
472: [ntp_cv_have___ss_len=no]
473: )]
474: )
475: case "$ntp_cv_have___ss_len" in
476: yes)
477: AC_DEFINE([HAVE___SS_LEN_IN_SS], [1],
478: [Does struct sockaddr_storage have __ss_len?])
479: esac
480: esac
481:
482: AH_VERBATIM(
483: [HAVE___SS_LEN_IN_SS_VERBATIM],
484: [
485: /* Handle sockaddr_storage.__ss_len */
486: #ifdef HAVE___SS_LEN_IN_SS
487: # define ss_len __ss_len
488: #endif /* HAVE___SS_LEN_IN_SS */
489: ]
490: )
491:
492: #
493: # Look for in_port_t.
494: #
495: AC_CACHE_CHECK(
496: [for in_port_t],
497: [isc_cv_have_in_port_t],
498: [AC_COMPILE_IFELSE(
499: [AC_LANG_PROGRAM(
500: [[
501: #include <sys/types.h>
502: #include <netinet/in.h>
503: ]],
504: [[
505: in_port_t port = 25;
506: return (0);
507: ]]
508: )],
509: [isc_cv_have_in_port_t=yes],
510: [isc_cv_have_in_port_t=no]
511: )]
512: )
513: case "$isc_cv_have_in_port_t" in
514: no)
515: AC_DEFINE([ISC_PLATFORM_NEEDPORTT], [1],
516: [Declare in_port_t?])
517: esac
518:
519: AC_CACHE_CHECK(
520: [for multicast IP support],
521: [ntp_cv_multicast],
522: [
523: ntp_cv_multicast=no
524: case "$host" in
525: i386-sequent-sysv4)
526: ;;
527: *)
528: AC_COMPILE_IFELSE(
529: [AC_LANG_PROGRAM(
530: [[
531: #ifdef HAVE_NETINET_IN_H
532: #include <netinet/in.h>
533: #endif
534: ]],
535: [[
536: struct ip_mreq ipmr;
537: ipmr.imr_interface.s_addr = 0;
538: ]]
539: )],
540: [ntp_cv_multicast=yes],
541: []
542: )
543: esac
544: ]
545: )
546: case "$ntp_cv_multicast" in
547: yes)
548: AC_DEFINE([MCAST], [1], [Does the target support multicast IP?])
549: AC_CACHE_CHECK(
550: [arg type needed for setsockopt() IP*_MULTICAST_LOOP],
551: [ntp_cv_typeof_ip_multicast_loop],
552: [
553: case "$host" in
554: *-*-netbsd*|*-*-*linux*)
555: ntp_cv_typeof_ip_multicast_loop=u_int
556: ;;
557: *)
558: ntp_cv_typeof_ip_multicast_loop=u_char
559: esac
560: ]
561: )
562: AC_DEFINE_UNQUOTED([TYPEOF_IP_MULTICAST_LOOP],
563: $ntp_cv_typeof_ip_multicast_loop,
564: [What type to use for setsockopt])
565: esac
566:
567: # HMS: We don't need res_init, but since we may be using cached
568: # values from ntpd we need to test the same way
569: AC_SEARCH_LIBS([res_init], [resolv], , , [-lsocket -lnsl])
570: AC_SEARCH_LIBS([inet_ntop], [resolv], , , [-lsocket -lnsl])
571: AC_CHECK_FUNC([inet_ntop], [],
572: [AC_DEFINE([ISC_PLATFORM_NEEDNTOP], [1], [ISC: provide inet_ntop()])])
573: AC_CHECK_FUNC([inet_pton], [],
574: [AC_DEFINE([ISC_PLATFORM_NEEDPTON], [1], [ISC: provide inet_pton()])])
575:
576: AC_CACHE_CHECK(
577: [struct sockaddr for sa_len],
578: [isc_cv_platform_havesalen],
579: [AC_COMPILE_IFELSE(
580: [AC_LANG_PROGRAM(
581: [[
582: #include <sys/types.h>
583: #include <sys/socket.h>
584: ]],
585: [[
586: extern struct sockaddr *ps;
587: return ps->sa_len;
588: ]]
589: )],
590: [isc_cv_platform_havesalen=yes],
591: [isc_cv_platform_havesalen=no]
592: )]
593: )
594: case "$isc_cv_platform_havesalen" in
595: yes)
596: AC_DEFINE([ISC_PLATFORM_HAVESALEN], [1],
597: [struct sockaddr has sa_len?])
598: esac
599:
600: AC_ARG_ENABLE(
601: [ipv6],
602: [AS_HELP_STRING(
603: [--enable-ipv6],
604: [s use IPv6?]
605: )]
606: )
607:
608: case "$enable_ipv6" in
609: yes|''|autodetect)
610: case "$host" in
611: powerpc-ibm-aix4*)
612: ;;
613: *)
614: AC_DEFINE([WANT_IPV6], [1], [configure --enable-ipv6])
615: ;;
616: esac
617: ;;
618: no)
619: ;;
620: esac
621:
622:
623: dnl [Bug 1984] ntp/libisc fails to compile on OS X 10.7 (Lion)
624: case "$host" in
625: *-*-darwin*)
626: AC_DEFINE([__APPLE_USE_RFC_3542], [1], [Are we _special_?])
627: esac
628:
629:
630: AC_CACHE_CHECK(
631: [for IPv6 structures],
632: [isc_cv_found_ipv6],
633: [AC_COMPILE_IFELSE(
634: [AC_LANG_PROGRAM(
635: [[
636: #include <sys/types.h>
637: #include <sys/socket.h>
638: #include <netinet/in.h>
639: ]],
640: [[
641: struct sockaddr_in6 sin6;
642: ]]
643: )],
644: [isc_cv_found_ipv6=yes],
645: [isc_cv_found_ipv6=no]
646: )]
647: )
648:
649: #
650: # See whether IPv6 support is provided via a Kame add-on.
651: # This is done before other IPv6 linking tests so LIBS is properly set.
652: #
653: AC_MSG_CHECKING([for Kame IPv6 support])
654: AC_ARG_WITH(
655: [kame],
656: [AS_HELP_STRING(
657: [--with-kame],
658: [- =/usr/local/v6]
659: )],
660: [use_kame="$withval"],
661: [use_kame="no"]
662: )
663: case "$use_kame" in
664: no)
665: ;;
666: yes)
667: kame_path=/usr/local/v6
668: ;;
669: *)
670: kame_path="$use_kame"
671: ;;
672: esac
673: case "$use_kame" in
674: no)
675: AC_MSG_RESULT([no])
676: ;;
677: *)
678: if test -f $kame_path/lib/libinet6.a; then
679: AC_MSG_RESULT([$kame_path/lib/libinet6.a])
680: LIBS="-L$kame_path/lib -linet6 $LIBS"
681: else
682: AC_MSG_ERROR([$kame_path/lib/libinet6.a not found.
683:
684: Please choose the proper path with the following command:
685:
686: configure --with-kame=PATH
687: ])
688: fi
689: ;;
690: esac
691:
692: #
693: # Whether netinet6/in6.h is needed has to be defined in isc/platform.h.
694: # Including it on Kame-using platforms is very bad, though, because
695: # Kame uses #error against direct inclusion. So include it on only
696: # the platform that is otherwise broken without it -- BSD/OS 4.0 through 4.1.
697: # This is done before the in6_pktinfo check because that's what
698: # netinet6/in6.h is needed for.
699: #
700: case "$host" in
701: *-bsdi4.[[01]]*)
702: AC_DEFINE([ISC_PLATFORM_NEEDNETINET6IN6H], [1],
703: [Do we need netinet6/in6.h?])
704: isc_netinet6in6_hack="#include <netinet6/in6.h>"
705: ;;
706: *)
707: isc_netinet6in6_hack=""
708: ;;
709: esac
710:
711: #
712: # This is similar to the netinet6/in6.h issue.
713: #
714: case "$host" in
715: *-sco-sysv*uw*|*-*-sysv*UnixWare*|*-*-sysv*OpenUNIX*)
716: AC_DEFINE([ISC_PLATFORM_FIXIN6ISADDR], [1],
717: [Do we need to fix in6isaddr?])
718: isc_netinetin6_hack="#include <netinet/in6.h>"
719: ;;
720: *)
721: isc_netinetin6_hack=""
722: ;;
723: esac
724:
725:
726: case "$isc_cv_found_ipv6" in
727: yes)
728: AC_DEFINE([ISC_PLATFORM_HAVEIPV6], [1], [have IPv6?])
729: AC_CACHE_CHECK(
730: [for in6_pktinfo],
731: [isc_cv_have_in6_pktinfo],
732: [AC_COMPILE_IFELSE(
733: [AC_LANG_PROGRAM(
734: [[
735: #include <sys/types.h>
736: #include <sys/socket.h>
737: #include <netinet/in.h>
738: $isc_netinetin6_hack
739: $isc_netinet6in6_hack
740: ]],
741: [[
742: struct in6_pktinfo xyzzy;
743: ]]
744: )],
745: [isc_cv_have_in6_pktinfo=yes],
746: [isc_cv_have_in6_pktinfo=no]
747: )]
748: )
749: case "$isc_cv_have_in6_pktinfo" in
750: yes)
751: AC_DEFINE([ISC_PLATFORM_HAVEIN6PKTINFO], [1],
752: [have struct in6_pktinfo?])
753: esac
754:
755:
756: # HMS: Use HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID instead?
757: AC_CACHE_CHECK(
758: [for sockaddr_in6.sin6_scope_id],
759: [isc_cv_have_sin6_scope_id],
760: [AC_COMPILE_IFELSE(
761: [AC_LANG_PROGRAM(
762: [[
763: #include <sys/types.h>
764: #include <sys/socket.h>
765: #include <netinet/in.h>
766: $isc_netinetin6_hack
767: $isc_netinet6in6_hack
768: ]],
769: [[
770: struct sockaddr_in6 xyzzy;
771: xyzzy.sin6_scope_id = 0;
772: ]]
773: )],
774: [isc_cv_have_sin6_scope_id=yes],
775: [isc_cv_have_sin6_scope_id=no]
776: )]
777: )
778:
779: case "$isc_cv_have_sin6_scope_id" in
780: yes)
781: AC_DEFINE([ISC_PLATFORM_HAVESCOPEID], [1], [sin6_scope_id?])
782: esac
783: esac
784:
785:
786: # We need this check run even without isc_cv_found_ipv6=yes
787:
788: AC_CACHE_CHECK(
789: [for in6addr_any],
790: [isc_cv_have_in6addr_any],
791: [AC_LINK_IFELSE(
792: [AC_LANG_PROGRAM(
793: [[
794: #include <sys/types.h>
795: #include <sys/socket.h>
796: #include <netinet/in.h>
797: $isc_netinetin6_hack
798: $isc_netinet6in6_hack
799: ]],
800: [[
801: struct in6_addr in6;
802: in6 = in6addr_any;
803: ]]
804: )],
805: [isc_cv_have_in6addr_any=yes],
806: [isc_cv_have_in6addr_any=no]
807: )]
808: )
809:
810: case "$isc_cv_have_in6addr_any" in
811: no)
812: AC_DEFINE([ISC_PLATFORM_NEEDIN6ADDRANY], [1], [missing in6addr_any?])
813: esac
814:
815:
816: AC_CACHE_CHECK(
817: [for struct if_laddrconf],
818: [isc_cv_struct_if_laddrconf],
819: [AC_COMPILE_IFELSE(
820: [AC_LANG_PROGRAM(
821: [[
822: #include <sys/types.h>
823: #include <net/if6.h>
824: ]],
825: [[
826: struct if_laddrconf a;
827: ]]
828: )],
829: [isc_cv_struct_if_laddrconf=yes],
830: [isc_cv_struct_if_laddrconf=no]
831: )]
832: )
833:
834: case "$isc_cv_struct_if_laddrconf" in
835: yes)
836: AC_DEFINE([ISC_PLATFORM_HAVEIF_LADDRCONF], [1],
837: [have struct if_laddrconf?])
838: esac
839:
840: AC_CACHE_CHECK(
841: [for struct if_laddrreq],
842: isc_cv_struct_if_laddrreq,
843: [AC_COMPILE_IFELSE(
844: [AC_LANG_PROGRAM(
845: [[
846: #include <sys/types.h>
847: #include <net/if6.h>
848: ]],
849: [[
850: struct if_laddrreq a;
851: ]]
852: )],
853: [isc_cv_struct_if_laddrreq=yes],
854: [isc_cv_struct_if_laddrreq=no]
855: )]
856: )
857:
858: case "$isc_cv_struct_if_laddrreq" in
859: yes)
860: AC_DEFINE([ISC_PLATFORM_HAVEIF_LADDRREQ], [1],
861: [have struct if_laddrreq?])
862: esac
863:
864:
865: ###
866:
867: # Hacks
868: # these need work if we're to move libntp under sntp
869: AC_DEFINE([HAVE_NO_NICE], 1, [sntp does not care about 'nice'])
870: AC_DEFINE([HAVE_TERMIOS], 1, [sntp does not care about TTY stuff])
871:
872: # Checks for library functions.
873: AC_CHECK_FUNCS([socket vsnprintf vsprintf])
874:
875: AC_MSG_CHECKING([for bin subdirectory])
876: AC_ARG_WITH(
877: [binsubdir],
878: [AS_HELP_STRING(
879: [--with-binsubdir],
880: [bin ={bin,sbin}]
881: )],
882: [use_binsubdir="$withval"],
883: [use_binsubdir="bin"]
884: )
885: case "$use_binsubdir" in
886: bin)
887: ;;
888: sbin)
889: ;;
890: *)
891: AC_MSG_ERROR([<$use_binsubdir> is illegal - must be "bin" or "sbin"])
892: ;;
893: esac
894: AC_MSG_RESULT([$use_binsubdir])
895:
896: BINSUBDIR=$use_binsubdir
897: AC_SUBST([BINSUBDIR])
898: AM_CONDITIONAL([NTP_BINSUBDIR_IS_BIN], [test "bin" = "$BINSUBDIR"])
899:
900: AC_CONFIG_FILES([Makefile])
901: AC_OUTPUT
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