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source: trunk/third/libgtop/acinclude.m4 @ 18272

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Revision 18272, 23.3 KB checked in by ghudson, 22 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r18271, which included commits to RCS files with non-trunk default branches.

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1	dnl This is just copied m4s from need-declaration.m4 gnome-fileutils.m4
2	dnl gnome-supprt-checks.m4 and a little from gnome-libgtop-check.m4
3	dnl and finally libgtop-sysdeps.m4
4
5	dnl
6	dnl LIBGTOP_CHECK_TYPE
7	dnl
8	dnl Improved version of AC_CHECK_TYPE which takes into account
9	dnl that we need to #include some other header files on some
10	dnl systems to get some types.
11
12	dnl AC_LIBGTOP_CHECK_TYPE(TYPE, DEFAULT)
13	AC_DEFUN([AC_LIBGTOP_CHECK_TYPE],
14	[AC_REQUIRE([AC_HEADER_STDC])dnl
15	AC_MSG_CHECKING(for $1)
16	AC_CACHE_VAL(ac_cv_type_$1,
17	[AC_EGREP_CPP(dnl
18	changequote(<<,>>)dnl
19	<<(^\|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl
20	changequote([,]), [#include <sys/types.h>
21	#if STDC_HEADERS
22	#include <stdlib.h>
23	#include <stddef.h>
24	#endif
25
26	/* For Tru64 */
27	#ifdef HAVE_SYS_BITYPES_H
28	#include <sys/bitypes.h>
29	#endif
30	], ac_cv_type_$1=yes, ac_cv_type_$1=no)])dnl
31	AC_MSG_RESULT($ac_cv_type_$1)
32	if test $ac_cv_type_$1 = no; then
33	AC_DEFINE($1, $2)
34	fi
35	])
36
37	dnl
38	dnl GNOME_LIBGTOP_TYPES
39	dnl
40	dnl some typechecks for libgtop.
41	dnl
42
43	AC_DEFUN([GNOME_LIBGTOP_TYPES],
44	[
45	AC_CHECK_HEADERS(sys/bitypes.h)
46	AC_LIBGTOP_CHECK_TYPE(u_int64_t, unsigned long long int)
47	AC_LIBGTOP_CHECK_TYPE(int64_t, signed long long int)
48	])
49
50	dnl See whether we need a declaration for a function.
51	dnl GCC_NEED_DECLARATION(FUNCTION [, EXTRA-HEADER-FILES])
52	AC_DEFUN([GCC_NEED_DECLARATION],
53	[AC_MSG_CHECKING([whether $1 must be declared])
54	AC_CACHE_VAL(gcc_cv_decl_needed_$1,
55	[AC_TRY_COMPILE([
56	#include <stdio.h>
57	#ifdef HAVE_STRING_H
58	#include <string.h>
59	#else
60	#ifdef HAVE_STRINGS_H
61	#include <strings.h>
62	#endif
63	#endif
64	#ifdef HAVE_STDLIB_H
65	#include <stdlib.h>
66	#endif
67	#ifdef HAVE_UNISTD_H
68	#include <unistd.h>
69	#endif
70	$2],
71	[char (pfn) = (char ()) $1],
72	eval "gcc_cv_decl_needed_$1=no", eval "gcc_cv_decl_needed_$1=yes")])
73	if eval "test \"`echo '$gcc_cv_decl_needed_'$1`\" = yes"; then
74	AC_MSG_RESULT(yes)
75	gcc_need_declarations="$gcc_need_declarations $1"
76	gcc_tr_decl=NEED_DECLARATION_`echo $1 \| tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
77	AC_DEFINE_UNQUOTED($gcc_tr_decl)
78	else
79	AC_MSG_RESULT(no)
80	fi
81	])dnl
82
83	dnl Check multiple functions to see whether each needs a declaration.
84	dnl GCC_NEED_DECLARATIONS(FUNCTION... [, EXTRA-HEADER-FILES])
85	AC_DEFUN([GCC_NEED_DECLARATIONS],
86	[for ac_func in $1
87	do
88	GCC_NEED_DECLARATION($ac_func, $2)
89	done
90	]
91	)
92
93	dnl
94	dnl GNOME_FILEUTILS_CHECKS
95	dnl
96	dnl checks that are needed for the diskusage applet.
97	dnl
98
99	AC_DEFUN([GNOME_FILEUTILS_CHECKS],
100	[
101	AC_CHECK_HEADERS(fcntl.h sys/param.h sys/statfs.h sys/fstyp.h \
102	mnttab.h mntent.h sys/statvfs.h sys/vfs.h sys/mount.h \
103	sys/filsys.h sys/fs_types.h sys/fs/s5param.h)
104
105	AC_CHECK_FUNCS(bcopy endgrent endpwent fchdir ftime ftruncate \
106	getcwd getmntinfo gettimeofday isascii lchown \
107	listmntent memcpy mkfifo strchr strerror strrchr vprintf)
108
109	dnl Set some defaults when cross-compiling
110
111	if test x$cross_compiling = xyes ; then
112	case "$host_os" in
113	linux*)
114	fu_cv_sys_mounted_getmntent1=yes
115	fu_cv_sys_stat_statfs2_bsize=yes
116	;;
117	sunos*)
118	fu_cv_sys_stat_statfs4=yes
119	;;
120	freebsd*)
121	fu_cv_sys_stat_statfs2_bsize=yes
122	;;
123	osf*)
124	fu_cv_sys_stat_statfs3_osf1=yes
125	;;
126	esac
127	fi
128
129	# Determine how to get the list of mounted filesystems.
130	list_mounted_fs=
131
132	# If the getmntent function is available but not in the standard library,
133	# make sure LIBS contains -lsun (on Irix4) or -lseq (on PTX).
134	AC_FUNC_GETMNTENT
135
136	# This test must precede the ones for getmntent because Unicos-9 is
137	# reported to have the getmntent function, but its support is incompatible
138	# with other getmntent implementations.
139
140	# NOTE: Normally, I wouldn't use a check for system type as I've done for
141	# `CRAY' below since that goes against the whole autoconf philosophy. But
142	# I think there is too great a chance that some non-Cray system has a
143	# function named listmntent to risk the false positive.
144
145	if test -z "$list_mounted_fs"; then
146	# Cray UNICOS 9
147	AC_MSG_CHECKING([for listmntent of Cray/Unicos-9])
148	AC_CACHE_VAL(fu_cv_sys_mounted_cray_listmntent,
149	[fu_cv_sys_mounted_cray_listmntent=no
150	AC_EGREP_CPP(yes,
151	[#ifdef _CRAY
152	yes
153	#endif
154	], [test $ac_cv_func_listmntent = yes \
155	&& fu_cv_sys_mounted_cray_listmntent=yes]
156	)
157	]
158	)
159	AC_MSG_RESULT($fu_cv_sys_mounted_cray_listmntent)
160	if test $fu_cv_sys_mounted_cray_listmntent = yes; then
161	list_mounted_fs=found
162	AC_DEFINE(MOUNTED_LISTMNTENT)
163	fi
164	fi
165
166	if test $ac_cv_func_getmntent = yes; then
167
168	# This system has the getmntent function.
169	# Determine whether it's the one-argument variant or the two-argument one.
170
171	if test -z "$list_mounted_fs"; then
172	# 4.3BSD, SunOS, HP-UX, Dynix, Irix
173	AC_MSG_CHECKING([for one-argument getmntent function])
174	AC_CACHE_VAL(fu_cv_sys_mounted_getmntent1,
175	[test $ac_cv_header_mntent_h = yes \
176	&& fu_cv_sys_mounted_getmntent1=yes \
177	\|\| fu_cv_sys_mounted_getmntent1=no])
178	AC_MSG_RESULT($fu_cv_sys_mounted_getmntent1)
179	if test $fu_cv_sys_mounted_getmntent1 = yes; then
180	list_mounted_fs=found
181	AC_DEFINE(MOUNTED_GETMNTENT1)
182	fi
183	fi
184
185	if test -z "$list_mounted_fs"; then
186	# SVR4
187	AC_MSG_CHECKING([for two-argument getmntent function])
188	AC_CACHE_VAL(fu_cv_sys_mounted_getmntent2,
189	[AC_EGREP_HEADER(getmntent, sys/mnttab.h,
190	fu_cv_sys_mounted_getmntent2=yes,
191	fu_cv_sys_mounted_getmntent2=no)])
192	AC_MSG_RESULT($fu_cv_sys_mounted_getmntent2)
193	if test $fu_cv_sys_mounted_getmntent2 = yes; then
194	list_mounted_fs=found
195	AC_DEFINE(MOUNTED_GETMNTENT2)
196	fi
197	fi
198
199	if test -z "$list_mounted_fs"; then
200	AC_MSG_ERROR([could not determine how to read list of mounted filesystems])
201	fi
202
203	fi
204
205	if test -z "$list_mounted_fs"; then
206	# DEC Alpha running OSF/1.
207	AC_MSG_CHECKING([for getfsstat function])
208	AC_CACHE_VAL(fu_cv_sys_mounted_getsstat,
209	[AC_TRY_LINK([
210	#include <sys/types.h>
211	#include <sys/mount.h>
212	#include <sys/fs_types.h>],
213	[struct statfs *stats;
214	int numsys = getfsstat ((struct statfs *)0, 0L, MNT_WAIT); ],
215	fu_cv_sys_mounted_getsstat=yes,
216	fu_cv_sys_mounted_getsstat=no)])
217	AC_MSG_RESULT($fu_cv_sys_mounted_getsstat)
218	if test $fu_cv_sys_mounted_getsstat = yes; then
219	list_mounted_fs=found
220	AC_DEFINE(MOUNTED_GETFSSTAT)
221	fi
222	fi
223
224	if test -z "$list_mounted_fs"; then
225	# AIX.
226	AC_MSG_CHECKING([for mntctl function and struct vmount])
227	AC_CACHE_VAL(fu_cv_sys_mounted_vmount,
228	[AC_TRY_CPP([#include <fshelp.h>],
229	fu_cv_sys_mounted_vmount=yes,
230	fu_cv_sys_mounted_vmount=no)])
231	AC_MSG_RESULT($fu_cv_sys_mounted_vmount)
232	if test $fu_cv_sys_mounted_vmount = yes; then
233	list_mounted_fs=found
234	AC_DEFINE(MOUNTED_VMOUNT)
235	fi
236	fi
237
238	if test -z "$list_mounted_fs"; then
239	# SVR3
240	AC_MSG_CHECKING([for FIXME existence of three headers])
241	AC_CACHE_VAL(fu_cv_sys_mounted_fread_fstyp,
242	[AC_TRY_CPP([
243	#include <sys/statfs.h>
244	#include <sys/fstyp.h>
245	#include <mnttab.h>],
246	fu_cv_sys_mounted_fread_fstyp=yes,
247	fu_cv_sys_mounted_fread_fstyp=no)])
248	AC_MSG_RESULT($fu_cv_sys_mounted_fread_fstyp)
249	if test $fu_cv_sys_mounted_fread_fstyp = yes; then
250	list_mounted_fs=found
251	AC_DEFINE(MOUNTED_FREAD_FSTYP)
252	fi
253	fi
254
255	if test -z "$list_mounted_fs"; then
256	# 4.4BSD and DEC OSF/1.
257	AC_MSG_CHECKING([for getmntinfo function])
258	AC_CACHE_VAL(fu_cv_sys_mounted_getmntinfo,
259	[
260	ok=
261	if test $ac_cv_func_getmntinfo = yes; then
262	AC_EGREP_HEADER(f_type;, sys/mount.h,
263	ok=yes)
264	fi
265	test -n "$ok" \
266	&& fu_cv_sys_mounted_getmntinfo=yes \
267	\|\| fu_cv_sys_mounted_getmntinfo=no
268	])
269	AC_MSG_RESULT($fu_cv_sys_mounted_getmntinfo)
270	if test $fu_cv_sys_mounted_getmntinfo = yes; then
271	list_mounted_fs=found
272	AC_DEFINE(MOUNTED_GETMNTINFO)
273	fi
274	fi
275
276	# FIXME: add a test for netbsd-1.1 here
277
278	if test -z "$list_mounted_fs"; then
279	# Ultrix
280	AC_MSG_CHECKING([for getmnt function])
281	AC_CACHE_VAL(fu_cv_sys_mounted_getmnt,
282	[AC_TRY_CPP([
283	#include <sys/fs_types.h>
284	#include <sys/mount.h>],
285	fu_cv_sys_mounted_getmnt=yes,
286	fu_cv_sys_mounted_getmnt=no)])
287	AC_MSG_RESULT($fu_cv_sys_mounted_getmnt)
288	if test $fu_cv_sys_mounted_getmnt = yes; then
289	list_mounted_fs=found
290	AC_DEFINE(MOUNTED_GETMNT)
291	fi
292	fi
293
294	if test -z "$list_mounted_fs"; then
295	# SVR2
296	AC_MSG_CHECKING([whether it is possible to resort to fread on /etc/mnttab])
297	AC_CACHE_VAL(fu_cv_sys_mounted_fread,
298	[AC_TRY_CPP([#include <mnttab.h>],
299	fu_cv_sys_mounted_fread=yes,
300	fu_cv_sys_mounted_fread=no)])
301	AC_MSG_RESULT($fu_cv_sys_mounted_fread)
302	if test $fu_cv_sys_mounted_fread = yes; then
303	list_mounted_fs=found
304	AC_DEFINE(MOUNTED_FREAD)
305	fi
306	fi
307
308	if test -z "$list_mounted_fs"; then
309	AC_MSG_ERROR([could not determine how to read list of mounted filesystems])
310	# FIXME -- no need to abort building the whole package
311	# Cannot build mountlist.c or anything that needs its functions
312	fi
313
314	AC_CHECKING(how to get filesystem space usage)
315	space=no
316
317	# Perform only the link test since it seems there are no variants of the
318	# statvfs function. This check is more than just AC_CHECK_FUNCS(statvfs)
319	# because that got a false positive on SCO OSR5. Adding the declaration
320	# of a `struct statvfs' causes this test to fail (as it should) on such
321	# systems. That system is reported to work fine with STAT_STATFS4 which
322	# is what it gets when this test fails.
323	if test $space = no; then
324	# SVR4
325	AC_CACHE_CHECK([statvfs function (SVR4)], fu_cv_sys_stat_statvfs,
326	[AC_TRY_LINK([#include <sys/types.h>
327	#include <sys/statvfs.h>],
328	[struct statvfs fsd; statvfs (0, &fsd);],
329	fu_cv_sys_stat_statvfs=yes,
330	fu_cv_sys_stat_statvfs=no)])
331	if test $fu_cv_sys_stat_statvfs = yes; then
332	space=yes
333	AC_DEFINE(STAT_STATVFS)
334	fi
335	fi
336
337	if test $space = no; then
338	# DEC Alpha running OSF/1
339	AC_MSG_CHECKING([for 3-argument statfs function (DEC OSF/1)])
340	AC_CACHE_VAL(fu_cv_sys_stat_statfs3_osf1,
341	[AC_TRY_RUN([
342	#include <sys/param.h>
343	#include <sys/types.h>
344	#include <sys/mount.h>
345	int main ()
346	{
347	struct statfs fsd;
348	fsd.f_fsize = 0;
349	return (statfs (".", &fsd, sizeof (struct statfs)));
350	}],
351	fu_cv_sys_stat_statfs3_osf1=yes,
352	fu_cv_sys_stat_statfs3_osf1=no,
353	fu_cv_sys_stat_statfs3_osf1=no)])
354	AC_MSG_RESULT($fu_cv_sys_stat_statfs3_osf1)
355	if test $fu_cv_sys_stat_statfs3_osf1 = yes; then
356	space=yes
357	AC_DEFINE(STAT_STATFS3_OSF1)
358	fi
359	fi
360
361	if test $space = no; then
362	# AIX
363	AC_MSG_CHECKING([for two-argument statfs with statfs.bsize dnl
364	member (AIX, 4.3BSD)])
365	AC_CACHE_VAL(fu_cv_sys_stat_statfs2_bsize,
366	[AC_TRY_RUN([
367	#ifdef HAVE_SYS_PARAM_H
368	#include <sys/param.h>
369	#endif
370	#ifdef HAVE_SYS_MOUNT_H
371	#include <sys/mount.h>
372	#endif
373	#ifdef HAVE_SYS_VFS_H
374	#include <sys/vfs.h>
375	#endif
376	int main ()
377	{
378	struct statfs fsd;
379	fsd.f_bsize = 0;
380	return (statfs (".", &fsd));
381	}],
382	fu_cv_sys_stat_statfs2_bsize=yes,
383	fu_cv_sys_stat_statfs2_bsize=no,
384	fu_cv_sys_stat_statfs2_bsize=no)])
385	AC_MSG_RESULT($fu_cv_sys_stat_statfs2_bsize)
386	if test $fu_cv_sys_stat_statfs2_bsize = yes; then
387	space=yes
388	AC_DEFINE(STAT_STATFS2_BSIZE)
389	fi
390	fi
391
392	if test $space = no; then
393	# SVR3
394	AC_MSG_CHECKING([for four-argument statfs (AIX-3.2.5, SVR3)])
395	AC_CACHE_VAL(fu_cv_sys_stat_statfs4,
396	[AC_TRY_RUN([#include <sys/types.h>
397	#include <sys/statfs.h>
398	int main ()
399	{
400	struct statfs fsd;
401	return (statfs (".", &fsd, sizeof fsd, 0));
402	}],
403	fu_cv_sys_stat_statfs4=yes,
404	fu_cv_sys_stat_statfs4=no,
405	fu_cv_sys_stat_statfs4=no)])
406	AC_MSG_RESULT($fu_cv_sys_stat_statfs4)
407	if test $fu_cv_sys_stat_statfs4 = yes; then
408	space=yes
409	AC_DEFINE(STAT_STATFS4)
410	fi
411	fi
412
413	if test $space = no; then
414	# 4.4BSD and NetBSD
415	AC_MSG_CHECKING([for two-argument statfs with statfs.fsize dnl
416	member (4.4BSD and NetBSD)])
417	AC_CACHE_VAL(fu_cv_sys_stat_statfs2_fsize,
418	[AC_TRY_RUN([#include <sys/types.h>
419	#ifdef HAVE_SYS_PARAM_H
420	#include <sys/param.h>
421	#endif
422	#ifdef HAVE_SYS_MOUNT_H
423	#include <sys/mount.h>
424	#endif
425	int main ()
426	{
427	struct statfs fsd;
428	fsd.f_fsize = 0;
429	return (statfs (".", &fsd));
430	}],
431	fu_cv_sys_stat_statfs2_fsize=yes,
432	fu_cv_sys_stat_statfs2_fsize=no,
433	fu_cv_sys_stat_statfs2_fsize=no)])
434	AC_MSG_RESULT($fu_cv_sys_stat_statfs2_fsize)
435	if test $fu_cv_sys_stat_statfs2_fsize = yes; then
436	space=yes
437	AC_DEFINE(STAT_STATFS2_FSIZE)
438	fi
439	fi
440
441	if test $space = no; then
442	# Ultrix
443	AC_MSG_CHECKING([for two-argument statfs with struct fs_data (Ultrix)])
444	AC_CACHE_VAL(fu_cv_sys_stat_fs_data,
445	[AC_TRY_RUN([#include <sys/types.h>
446	#ifdef HAVE_SYS_PARAM_H
447	#include <sys/param.h>
448	#endif
449	#ifdef HAVE_SYS_MOUNT_H
450	#include <sys/mount.h>
451	#endif
452	#ifdef HAVE_SYS_FS_TYPES_H
453	#include <sys/fs_types.h>
454	#endif
455	int main ()
456	{
457	struct fs_data fsd;
458	/* Ultrix's statfs returns 1 for success,
459	0 for not mounted, -1 for failure. */
460	return (statfs (".", &fsd) != 1);
461	}],
462	fu_cv_sys_stat_fs_data=yes,
463	fu_cv_sys_stat_fs_data=no,
464	fu_cv_sys_stat_fs_data=no)])
465	AC_MSG_RESULT($fu_cv_sys_stat_fs_data)
466	if test $fu_cv_sys_stat_fs_data = yes; then
467	space=yes
468	AC_DEFINE(STAT_STATFS2_FS_DATA)
469	fi
470	fi
471
472	if test $space = no; then
473	# SVR2
474	AC_TRY_CPP([#include <sys/filsys.h>],
475	AC_DEFINE(STAT_READ_FILSYS) space=yes)
476	fi
477
478	if test -n "$list_mounted_fs" && test $space != no; then
479	DF_PROG="df"
480	# LIBOBJS="$LIBOBJS fsusage.o"
481	# LIBOBJS="$LIBOBJS mountlist.o"
482	fi
483
484	# Check for SunOS statfs brokenness wrt partitions 2GB and larger.
485	# If <sys/vfs.h> exists and struct statfs has a member named f_spare,
486	# enable the work-around code in fsusage.c.
487	AC_MSG_CHECKING([for statfs that truncates block counts])
488	AC_CACHE_VAL(fu_cv_sys_truncating_statfs,
489	[AC_TRY_COMPILE([
490	#if !defined(sun) && !defined(__sun)
491	choke -- this is a workaround for a Sun-specific problem
492	#endif
493	#include <sys/types.h>
494	#include <sys/vfs.h>],
495	[struct statfs t; long c = *(t.f_spare);],
496	fu_cv_sys_truncating_statfs=yes,
497	fu_cv_sys_truncating_statfs=no,
498	)])
499	if test $fu_cv_sys_truncating_statfs = yes; then
500	AC_DEFINE(STATFS_TRUNCATES_BLOCK_COUNTS)
501	fi
502	AC_MSG_RESULT($fu_cv_sys_truncating_statfs)
503
504	AC_CHECKING(for AFS)
505	test -d /afs && AC_DEFINE(AFS)
506	])
507
508	dnl GNOME_SUPPORT_CHECKS
509	dnl Check for various support functions needed by the standard
510	dnl Gnome libraries. Sets LIBOBJS, might define some macros.
511	dnl This should only be used when building the Gnome libs;
512	dnl Gnome clients should not need this macro.
513	AC_DEFUN([GNOME_SUPPORT_CHECKS],[
514	# we need an `awk' to build `gnomesupport.h'
515	AC_REQUIRE([AC_PROG_AWK])
516
517	# this should go away soon
518	need_gnome_support=yes
519
520	save_LIBOBJS="$LIBOBJS"
521	LIBOBJS=
522
523	AC_CHECK_FUNCS(getopt_long,,LIBOBJS="$LIBOBJS getopt.o getopt1.o")
524
525	# for `scandir'
526	AC_HEADER_DIRENT
527
528	# copied from `configure.in' of `libiberty'
529	vars="program_invocation_short_name program_invocation_name sys_errlist"
530	for v in $vars; do
531	AC_MSG_CHECKING([for $v])
532	AC_CACHE_VAL(gnome_cv_var_$v,
533	[AC_TRY_LINK([int *p;], [extern int $v; p = &$v;],
534	[eval "gnome_cv_var_$v=yes"],
535	[eval "gnome_cv_var_$v=no"])])
536	if eval "test \"`echo '$gnome_cv_var_'$v`\" = yes"; then
537	AC_MSG_RESULT(yes)
538	n=HAVE_`echo $v \| tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
539	AC_DEFINE_UNQUOTED($n)
540	else
541	AC_MSG_RESULT(no)
542	fi
543	done
544
545	AC_REPLACE_FUNCS(memmove mkstemp scandir strcasecmp strerror strndup strnlen)
546	AC_REPLACE_FUNCS(strtok_r strtod strtol strtoul vasprintf vsnprintf)
547
548	AC_CHECK_FUNCS(realpath,,LIBOBJS="$LIBOBJS canonicalize.o")
549
550	# to include `error.c' error.c has some HAVE_* checks
551	AC_CHECK_FUNCS(vprintf doprnt strerror_r)
552	# stolen from am_func_error_at_line
553	AC_CACHE_CHECK([for error_at_line], am_cv_lib_error_at_line,
554	[AC_TRY_LINK([],[error_at_line(0, 0, "", 0, "");],
555	am_cv_lib_error_at_line=yes,
556	am_cv_lib_error_at_line=no)])
557	if test $am_cv_lib_error_at_line = no; then
558	LIBOBJS="$LIBOBJS error.o"
559	fi
560	AC_SUBST(LIBOBJS)dnl
561
562	# This is required if we declare setreuid () and setregid ().
563	AC_TYPE_UID_T
564
565	# see if we need to declare some functions. Solaris is notorious for
566	# putting functions into the `libc' but not listing them in the headers
567	AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h dirent.h)
568	GCC_NEED_DECLARATIONS(gethostname setreuid setregid getpagesize)
569	GCC_NEED_DECLARATION(scandir,[
570	#ifdef HAVE_DIRENT_H
571	#include <dirent.h>
572	#endif
573	])
574
575	# Turn our LIBOBJS into libtool objects. This is gross, but it
576	# requires changes to autoconf before it goes away.
577	LTLIBOBJS=`echo "$LIBOBJS" \| sed 's/\.o/.lo/g'`
578	AC_SUBST(need_gnome_support)
579	AC_SUBST(LTLIBOBJS)
580
581	LIBOBJS="$save_LIBOBJS"
582	AM_CONDITIONAL(BUILD_GNOME_SUPPORT, test "$need_gnome_support" = yes)
583	])
584
585
586	dnl This file is intended for use both internally in libgtop and in every program
587	dnl that wants to use it.
588	dnl
589	dnl It defines the following variables:
590	dnl
591	dnl * 'libgtop_sysdeps_dir' - sysdeps dir for libgtop.
592	dnl * 'libgtop_use_machine_h' - some of system dependend parts of libgtop provide
593	dnl their own header file. In this case we need to
594	dnl define 'HAVE_GLIBTOP_MACHINE_H'.
595	dnl * 'libgtop_need_server' - is the server really needed? Defines 'NEED_LIBGTOP'
596	dnl if true; defines conditional 'NEED_LIBGTOP'.
597
598	AC_DEFUN([LIBGTOP_HACKER_TESTS],[
599	AC_REQUIRE([AC_CANONICAL_HOST])
600
601	AC_ARG_WITH(linux-table,
602	[ --with-linux-table Use the table () function from Martin Baulig],
603	[linux_table="$withval"],[linux_table=auto])
604	case "$host_os" in
605	linux*)
606	if test $linux_table = yes ; then
607	AC_CHECK_HEADER(linux/table.h, linux_table=yes, linux_table=no)
608	elif test $linux_table = auto ; then
609	AC_MSG_CHECKING(for table function in Linux Kernel)
610	AC_TRY_RUN([
611	#include <stdio.h>
612	#include <stdlib.h>
613
614	#include <unistd.h>
615	#include <linux/unistd.h>
616	#include <linux/table.h>
617
618	#include <syscall.h>
619
620	static inline _syscall3 (int, table, int, type, union table , tbl, const void , param);
621
622	int
623	main (void)
624	{
625	union table tbl;
626	int ret;
627
628	ret = table (TABLE_VERSION, NULL, NULL);
629
630	if (ret == -1)
631	exit (-errno);
632
633	exit (ret < 1 ? ret : 0);
634	}
635	], linux_table=yes, linux_table=no, linux_table=no)
636	AC_MSG_RESULT($linux_table)
637	fi
638	if test $linux_table = yes ; then
639	AC_DEFINE(HAVE_LINUX_TABLE)
640	fi
641	;;
642	esac
643	])
644
645	AC_DEFUN([GNOME_LIBGTOP_SYSDEPS],[
646	AC_REQUIRE([AC_CANONICAL_HOST])
647
648	AC_SUBST(libgtop_sysdeps_dir)
649	AC_SUBST(libgtop_use_machine_h)
650	AC_SUBST(libgtop_need_server)
651
652	AC_ARG_WITH(libgtop-examples,
653	[ --with-libgtop-examples Build the libgtop examples (default=no)],[
654	build_examples="$withval"], [build_examples=no])
655
656	AM_CONDITIONAL(EXAMPLES, test x"$build_examples" = xyes)
657
658	AC_ARG_ENABLE(hacker-mode,
659	[ --enable-hacker-mode Enable building of unstable sysdeps],
660	[hacker_mode="$enableval"], [hacker_mode=no])
661
662	AM_CONDITIONAL(HACKER_MODE, test x"$hacker_mode" = xyes)
663
664	linux_table=auto
665	if test x$hacker_mode = xyes ; then
666	LIBGTOP_HACKER_TESTS
667	fi
668	AM_CONDITIONAL(LINUX_TABLE, test $linux_table = yes)
669
670	AC_ARG_WITH(libgtop-smp,
671	[ --with-libgtop-smp Enable SMP support (default-auto)],[
672	libgtop_smp="$withval"],[libgtop_smp=auto])
673
674	if test $libgtop_smp = auto ; then
675	AC_MSG_CHECKING(whether to enable SMP support)
676	case "$host_os" in
677	linux*)
678	libgtop_smp=yes
679	;;
680	*)
681	libgtop_smp=no
682	;;
683	esac
684	AC_MSG_RESULT($libgtop_smp)
685	fi
686
687	if test $libgtop_smp = yes ; then
688	AC_DEFINE(HAVE_LIBGTOP_SMP)
689	fi
690
691	AM_CONDITIONAL(LIBGTOP_SMP, test $libgtop_smp = yes)
692
693	AC_MSG_CHECKING(for libgtop sysdeps directory)
694
695	case "$host_os" in
696	linux*)
697	if test x$linux_table = xyes ; then
698	libgtop_sysdeps_dir=kernel
699	libgtop_use_machine_h=no
700	else
701	libgtop_sysdeps_dir=linux
702	libgtop_use_machine_h=no
703	libgtop_have_sysinfo=yes
704	fi
705	libgtop_need_server=no
706	;;
707	freebsd\|netbsd\|openbsd\|bsdi)
708	libgtop_sysdeps_dir=freebsd
709	libgtop_use_machine_h=yes
710	libgtop_need_server=yes
711	libgtop_postinstall='chgrp kmem $(bindir)/libgtop_server && chmod 2755 $(bindir)/libgtop_server'
712	;;
713	solaris*)
714	libgtop_sysdeps_dir=solaris
715	libgtop_use_machine_h=yes
716	libgtop_need_server=yes
717	libgtop_postinstall='chgrp sys $(bindir)/libgtop_server && chmod 2755 $(bindir)/libgtop_server'
718	;;
719	*)
720	if test x$hacker_mode = xyes ; then
721	case "$host_os" in
722	sunos4*)
723	#Please note that this port is obsolete and not working at
724	#all. It is only useful for people who want to fix it ... :-)
725	libgtop_sysdeps_dir=sun4
726	libgtop_use_machine_h=yes
727	libgtop_need_server=yes
728	;;
729	osf*)
730	libgtop_sysdeps_dir=osf1
731	libgtop_use_machine_h=yes
732	libgtop_need_server=yes
733	;;
734	*)
735	libgtop_sysdeps_dir=stub
736	libgtop_use_machine_h=no
737	libgtop_need_server=no
738	;;
739	esac
740	else
741	libgtop_sysdeps_dir=stub
742	libgtop_use_machine_h=no
743	libgtop_need_server=no
744	fi
745	;;
746	esac
747
748	test -z "$libgtop_postinstall" && libgtop_postinstall=:
749
750	AC_MSG_RESULT($libgtop_sysdeps_dir)
751
752	AC_SUBST(libgtop_sysdeps_dir)
753	AC_SUBST(libgtop_postinstall)
754	AC_SUBST(libgtop_have_sysinfo)
755
756	case "$host_os" in
757	bsd)
758	AC_CHECK_HEADERS(net/if_var.h)
759	AC_MSG_CHECKING([for I4B])
760	AC_TRY_COMPILE([
761	#include <sys/types.h>
762	#include <sys/socket.h>
763
764	#include <net/if.h>
765	#include <net/if_types.h>
766
767	#ifdef HAVE_NET_IF_VAR_H
768	#include <net/if_var.h>
769	#endif
770
771	#include <net/netisr.h>
772	#include <net/route.h>
773
774	#if defined(__FreeBSD__) \|\| defined(__NetBSD__)
775	#include <net/if_sppp.h>
776	#else
777	#include <i4b/sppp/if_sppp.h>
778	#endif
779	],[
780	size_t size = sizeof (struct sppp);
781	], have_i4b=yes, have_i4b=no)
782	AC_MSG_RESULT($have_i4b)
783	if test x$have_i4b = xyes; then
784	AC_DEFINE(HAVE_I4B)
785	AC_MSG_CHECKING([for I4B accounting])
786	AC_TRY_COMPILE([
787	#include <sys/types.h>
788	#include <sys/socket.h>
789
790	#include <net/if.h>
791	#include <net/if_types.h>
792
793	#ifdef HAVE_NET_IF_VAR_H
794	#include <net/if_var.h>
795	#endif
796
797	#include <net/netisr.h>
798	#include <net/route.h>
799
800	#if defined(__FreeBSD__) \|\| defined(__NetBSD__)
801	#include <net/if_sppp.h>
802	#else
803	#include <i4b/sppp/if_sppp.h>
804	#endif
805
806	#include <machine/i4b_acct.h>
807	],[
808	size_t size = sizeof (struct i4bisppp_softc);
809	], have_i4b_acct=yes, have_i4b_acct=no)
810	AC_MSG_RESULT($have_i4b_acct)
811	if test x$have_i4b_acct = xyes ; then
812	AC_DEFINE(HAVE_I4B_ACCT)
813	else
814	AC_WARN([
815	*** I4B accounting disabled - you won't get any PPP statistics.
816	*** Read "misc/i4b_acct.txt" in the LibGTop source directory
817	*** to see how to enable it.])
818	fi
819	fi
820	;;
821	linux*)
822	os_major_version=`uname -r \| sed 's/-pre[[0-9]]*//' \| \
823	sed 's/\([[0-9]]\).\([[0-9]]\).\([[0-9]]*\)/\1/'`
824	os_minor_version=`uname -r \| sed 's/-pre[[0-9]]*//' \| \
825	sed 's/\([[0-9]]\).\([[0-9]]\).\([[0-9]]*\)/\2/'`
826	os_micro_version=`uname -r \| sed 's/-pre[[0-9]]*//' \| \
827	sed 's/\([[0-9]]\).\([[0-9]]\).\([[0-9]]*\)/\3/'`
828	os_version_expr="$os_major_version 65536 * $os_minor_version 256 * + $os_micro_version + p q"
829
830	AC_CHECK_HEADERS(linux/version.h, have_linux_version_h=yes,
831	have_linux_version_h=no)
832
833	if test x$have_linux_version_h = xyes ; then
834	version_code=`cat /usr/include/linux/version.h \| \
835	grep \#define \| grep LINUX_VERSION_CODE`
836	os_version_code=`echo $version_code \| \
837	sed 's/^.LINUX_VERSION_CODE[[ \t]]\([[0-9]]\).$/\1/'`
838	else
839	os_version_code=`echo "$os_version_expr" \| dc`
840	fi
841
842	AC_MSG_CHECKING(for Linux kernel version code)
843	AC_DEFINE_UNQUOTED(GLIBTOP_LINUX_VERSION_CODE, $os_version_code)
844	AC_MSG_RESULT($os_version_code)
845	;;
846	solaris*)
847	os_major_version=`uname -r \| sed 's/\([[0-9]]\).\([[0-9]]\)\.\([[0-9]]*\)/\1/'`
848	os_minor_version=`uname -r \| sed 's/\([[0-9]]\).\([[0-9]]\)\.\([[0-9]]*\)/\2/'`
849	os_micro_version=`uname -r \| sed 's/\([[0-9]]\).\([[0-9]]\)\.\([[0-9]]*\)/\3/'`
850	test -z "$os_micro_version" && os_micro_version=0
851	os_version_expr="$os_major_version 100 * $os_minor_version 10 * + $os_micro_version + p q"
852	os_version_code=`echo "$os_version_expr" \| dc`
853
854	AC_MSG_CHECKING(for Solaris release code)
855	AC_DEFINE_UNQUOTED(GLIBTOP_SOLARIS_RELEASE, $os_version_code)
856	AC_MSG_RESULT($os_version_code)
857	;;
858	esac
859
860	AC_MSG_CHECKING(for machine.h in libgtop sysdeps dir)
861	AC_MSG_RESULT($libgtop_use_machine_h)
862
863	AC_MSG_CHECKING(whether we need libgtop)
864	AC_MSG_RESULT($libgtop_need_server)
865
866	if test x$libgtop_need_server = xyes ; then
867	AC_DEFINE(NEED_LIBGTOP)
868	fi
869
870	if test x$libgtop_use_machine_h = xyes ; then
871	AC_DEFINE(HAVE_GLIBTOP_MACHINE_H)
872	fi
873
874	AM_CONDITIONAL(NEED_LIBGTOP, test x$libgtop_need_server = xyes)
875	])
876
877

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