summaryrefslogtreecommitdiff
path: root/configure.ac
blob: ea08a7a378f9487ca8ecdd2d215ec3d551877621 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
dnl Process this file with autoconf to produce a configure script.
AC_INIT([Linux-PAM], [1.4.0], , [Linux-PAM])
AC_CONFIG_SRCDIR([conf/pam_conv1/pam_conv_y.y])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([-Wall -Wno-portability])
AC_PREREQ([2.61])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_HOST

AC_SUBST(PACKAGE)
AC_SUBST(VERSION)

dnl
dnl By default, everything under PAM is installed below /usr.
dnl
AC_PREFIX_DEFAULT(/usr)

dnl and some hacks to use /etc and /lib
test "${prefix}" = "NONE" && prefix="/usr"
if test ${prefix} = '/usr'
then
dnl If we use /usr as prefix, use /etc for config files
        if test ${sysconfdir} = '${prefix}/etc'
        then
                sysconfdir="/etc"
        fi
	if test ${libdir} = '${exec_prefix}/lib'
	then
		case "$host_cpu" in
		    x86_64|ppc64|s390x|sparc64)
			libdir="/lib64" ;;
		    *)
			libdir="/lib" ;;
		esac
	fi
	if test ${sbindir} = '${exec_prefix}/sbin'
        then
                sbindir="/sbin"
        fi
dnl If we use /usr as prefix, use /usr/share/man for manual pages
        if test ${mandir} = '${prefix}/man'
        then
                mandir='${prefix}/share/man'
        fi
dnl Add security to include directory
	if test ${includedir} = '${prefix}/include'
	then
		includedir="${prefix}/include/security"
	fi

dnl Add /var directory
        if test ${localstatedir} = '${prefix}/var'
        then
                localstatedir="/var"
        fi

fi

dnl This should be called before any macros that run the C compiler.
AC_USE_SYSTEM_EXTENSIONS

LT_INIT([disable-static])
AC_ENABLE_STATIC([no])
AC_ENABLE_SHARED([yes])

dnl Checks for programs.
AC_PROG_CC
AC_PROG_YACC
AM_PROG_LEX
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AM_PROG_CC_C_O
PAM_LD_AS_NEEDED
PAM_LD_NO_UNDEFINED
PAM_LD_O1

dnl Largefile support
AC_SYS_LARGEFILE

Werror_option=
AC_ARG_ENABLE([Werror],
	      [AS_HELP_STRING([--enable-Werror],
			      [turn on -Werror compiler option])],
	      [case $enableval in
		yes) Werror_option=-Werror ;;
		no)  ;;
		*)   AC_MSG_ERROR([bad value $enableval for Werror option]) ;;
	       esac])

dnl icc claims to be GCC compatible, but use other flags for warnings
if eval 'test "x$GCC" = "xyes" -a "$CC" != "icc"'; then
  for flag in \
      -W \
      -Wall \
      -Wbad-function-cast \
      -Wcast-align \
      -Wcast-qual \
      -Wmissing-declarations \
      -Wmissing-prototypes \
      -Wpointer-arith \
      -Wreturn-type \
      -Wstrict-prototypes \
      -Wwrite-strings \
      -Winline \
      -Wshadow \
      $Werror_option
  do
    JAPHAR_GREP_CFLAGS($flag, [ WARN_CFLAGS="$WARN_CFLAGS $flag" ])
  done
fi
dnl icc has special warning flags
if eval 'test "x$CC" = "xicc"'; then
  for flag in \
      -Wall \
      -Wmissing-prototypes \
      -Wpointer-arith \
      -Wreturn-type \
      -Wstrict-prototypes \
      -Wwrite-strings \
      -Wshadow \
      -Wp64 \
      -Wdeprecated \
      -Wuninitialized \
      -Wmain
  do
    JAPHAR_GREP_CFLAGS($flag, [ WARN_CFLAGS="$WARN_CFLAGS $flag" ])
  done
fi

AC_SUBST(WARN_CFLAGS)

if test "x${CC_FOR_BUILD+set}" != "xset" ; then
  if test "x$cross_compiling" = "xyes" ; then
    AC_CHECK_PROGS(CC_FOR_BUILD, gcc cc)
  else
    CC_FOR_BUILD=${CC}
  fi
fi
AC_MSG_CHECKING([for CC_FOR_BUILD])
AC_MSG_RESULT([$CC_FOR_BUILD])
AC_SUBST(CC_FOR_BUILD)

if test "x${BUILD_CPPFLAGS+set}" != "xset" ; then
  if test "x$cross_compiling" = "xyes" ; then
    BUILD_CPPFLAGS=
  else
    BUILD_CPPFLAGS=${CPPFLAGS}
  fi
fi
AC_SUBST(BUILD_CPPFLAGS)

if test "x${BUILD_CFLAGS+set}" != "xset" ; then
  if test "x$cross_compiling" = "xyes" ; then
    BUILD_CFLAGS=
  else
    BUILD_CFLAGS=${CFLAGS}
  fi
fi
AC_SUBST(BUILD_CFLAGS)

if test "x${BUILD_LDFLAGS+set}" != "xset" ; then
  if test "x$cross_compiling" = "xyes" ; then
    BUILD_LDFLAGS=
  else
    BUILD_LDFLAGS=${LDFLAGS}
  fi
fi
AC_SUBST(BUILD_LDFLAGS)

AC_C___ATTRIBUTE__

dnl
dnl Check if --version-script is supported by ld
dnl
AC_CACHE_CHECK(for .symver assembler directive, libc_cv_asm_symver_directive,
[cat > conftest.s <<EOF
${libc_cv_dot_text}
_sym:
.symver _sym,sym@VERS
EOF
if ${CC-cc} -c $ASFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
  libc_cv_asm_symver_directive=yes
else
  libc_cv_asm_symver_directive=no
fi
rm -f conftest*])
AC_CACHE_CHECK(for ld --version-script, libc_cv_ld_version_script_option, [dnl
if test $libc_cv_asm_symver_directive = yes; then
  cat > conftest.s <<EOF
${libc_cv_dot_text}
_sym:
.symver _sym,sym@VERS
EOF
  cat > conftest.map <<EOF
VERS_1 {
        global: sym;
};

VERS_2 {
        global: sym;
} VERS_1;
EOF
  if ${CC-cc} -c $ASFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD;
then
    if AC_TRY_COMMAND([${CC-cc} $CFLAGS $LDFLAGS -shared
                                -o conftest.so conftest.o
                                -nostartfiles -nostdlib
                                -Wl,--version-script,conftest.map
                       1>&AS_MESSAGE_LOG_FD]);
    then
      libc_cv_ld_version_script_option=yes
    else
      libc_cv_ld_version_script_option=no
    fi
  else
    libc_cv_ld_version_script_option=no
  fi
else
  libc_cv_ld_version_script_option=no
fi
rm -f conftest*])
AM_CONDITIONAL([HAVE_VERSIONING],
	[test "$libc_cv_ld_version_script_option" = "yes"])

dnl
dnl check for -fPIE/-pie support
dnl
dnl icc handles -fpie as -fp without error, so blacklist icc
dnl
AC_ARG_ENABLE(pie,AS_HELP_STRING([--disable-pie],
                        [disable position-independent executables (PIE)]),
        USE_PIE=$enableval, USE_PIE=yes)

AC_CACHE_CHECK(for -fpie, libc_cv_fpie, [dnl
  cat > conftest.c <<EOF
int foo;
main () { return 0;}
EOF
  if test "$USE_PIE" = "yes" -a "$CC" != "icc" &&
        AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fpie
                              -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
  then
    libc_cv_fpie=yes
    PIE_CFLAGS="-fpie"
    PIE_LDFLAGS="-pie"
  else
    libc_cv_fpie=no
    PIE_CFLAGS=""
    PIE_LDFLAGS=""
  fi
  rm -f conftest*])
AC_SUBST(libc_cv_fpie)
AC_SUBST(PIE_CFLAGS)
AC_SUBST(PIE_LDFLAGS)


dnl
dnl options and defaults
dnl

AC_ARG_ENABLE([doc],
        AS_HELP_STRING([--disable-doc],[Do not generate or install documentation]),
        WITH_DOC=$enableval, WITH_DOC=yes)
AM_CONDITIONAL([HAVE_DOC], [test "x$WITH_DOC" = "xyes"])

AC_ARG_ENABLE([prelude],
	AS_HELP_STRING([--disable-prelude],[do not use prelude]),
	WITH_PRELUDE=$enableval, WITH_PRELUDE=yes)
if test "$WITH_PRELUDE" = "yes" ; then
  AM_PATH_LIBPRELUDE([0.9.0])
  if test "$LIBPRELUDE_CONFIG" != "no" ; then
    LIBPRELUDE_CFLAGS="$LIBPRELUDE_CFLAGS -DPRELUDE=1"
  fi
fi

dnl lots of debugging information goes to /var/run/pam-debug.log
AC_ARG_ENABLE([debug],
    AS_HELP_STRING([--enable-debug],[specify you are building with debugging on]))

if test x"$enable_debug" = x"yes" ; then
   AC_DEFINE([PAM_DEBUG],,
		[lots of stuff gets written to /var/run/pam-debug.log])
fi

AC_ARG_ENABLE(securedir,
	AS_HELP_STRING([--enable-securedir=DIR],[path to location of PAMs @<:@default=$libdir/security@:>@]),
	SECUREDIR=$enableval, SECUREDIR=$libdir/security)
AC_SUBST(SECUREDIR)

AC_ARG_ENABLE([isadir],
	AS_HELP_STRING([--enable-isadir=DIR],[path to arch-specific module files @<:@default=../../(basename of $libdir)/security@:>@]),
ISA=$enableval,
ISA=../../`basename $libdir`/security)
unset mylibdirbase
AC_DEFINE_UNQUOTED(_PAM_ISA,"$ISA",[Define to the path, relative to SECUREDIR, where PAMs specific to this architecture can be found.])
AC_MSG_RESULT([Defining \$ISA to "$ISA"])

AC_ARG_ENABLE(sconfigdir,
	AS_HELP_STRING([--enable-sconfigdir=DIR],[path to module conf files @<:@default=$sysconfdir/security@:>@]),
	SCONFIGDIR=$enableval, SCONFIGDIR=$sysconfdir/security)
AC_SUBST(SCONFIGDIR)

AC_ARG_ENABLE(pamlocking,
	AS_HELP_STRING([--enable-pamlocking],[configure libpam to observe a global authentication lock]))

if test x"$enable_pamlocking" = "xyes"; then
   AC_DEFINE([PAM_LOCKING],,
	[libpam should observe a global authentication lock])
fi

AC_ARG_ENABLE(read-both-confs,
	AS_HELP_STRING([--enable-read-both-confs],[read both /etc/pam.d and /etc/pam.conf files]))

if test x"$enable_read_both_confs" = "xyes"; then
   AC_DEFINE([PAM_READ_BOTH_CONFS],,
		[read both /etc/pam.d and /etc/pam.conf files])
fi

AC_ARG_ENABLE([lckpwdf],
	AS_HELP_STRING([--disable-lckpwdf],[do not use the lckpwdf function]),
	WITH_LCKPWDF=$enableval, WITH_LCKPWDF=yes)
if test "$WITH_LCKPWDF" = "yes" ; then
    AC_DEFINE([USE_LCKPWDF], 1,
		[Define to 1 if the lckpwdf function should be used])
fi

AC_CHECK_HEADERS(paths.h)
AC_ARG_WITH(mailspool,
[  --with-mailspool        path to mail spool directory
                          [default _PATH_MAILDIR if defined in paths.h, otherwise /var/spool/mail]],
with_mailspool=${withval})
if test x$with_mailspool != x ; then
	pam_mail_spool="\"$with_mailspool\""
else
	AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <paths.h>
int main() {
#ifdef _PATH_MAILDIR
exit(0);
#else
exit(1);
#endif
}]])],[pam_mail_spool="_PATH_MAILDIR"],[pam_mail_spool="\"/var/spool/mail\""],[pam_mail_spool="\"/var/spool/mail\""])
fi
AC_DEFINE_UNQUOTED(PAM_PATH_MAILDIR, $pam_mail_spool,
	[Path where mails are stored])

AC_ARG_WITH(xauth,
[  --with-xauth            additional path to check for xauth when it is called from pam_xauth
                          [added to the default of /usr/X11R6/bin/xauth, /usr/bin/xauth, /usr/bin/X11/xauth]],
pam_xauth_path=${withval})
if test x$with_xauth = x ; then
	AC_PATH_PROG(pam_xauth_path, xauth)
dnl There is no sense in adding the first default path
	if test x$pam_xauth_path = x/usr/X11R6/bin/xauth ; then
		unset pam_xauth_path
	fi
fi

if test x$pam_xauth_path != x ; then
	AC_DEFINE_UNQUOTED(PAM_PATH_XAUTH, "$pam_xauth_path",
	[Additional path of xauth executable])
fi

dnl Checks for the existence of libdl - in musl its a part of libc
saved_LIBS="$LIBS"
AC_SEARCH_LIBS([dlopen], [dl])
LIBS="$saved_LIBS"
case "$ac_cv_search_dlopen" in
	no) AC_MSG_FAILURE([failed to find dlopen]) ;;
	-l*) LIBDL="$ac_cv_search_dlopen" ;;
	*) LIBDL= ;;
esac
AC_SUBST(LIBDL)

AC_ARG_ENABLE([cracklib],
	      [AS_HELP_STRING([--enable-cracklib],
			      [build deprecated pam_cracklib module])],
	      [], [enable_cracklib=no])
LIBCRACK=""
case "$enable_cracklib" in
  no) ;;
  yes|check)
    dnl Check for cracklib
    AC_CHECK_HEADERS([crack.h],
		     [AC_CHECK_LIB([crack], [FascistCheck],
				   [LIBCRACK="-lcrack"])])
    if test -z "$LIBCRACK"; then
      if test "$enable_cracklib" = yes; then
	AC_MSG_FAILURE([failed to find cracklib])
      fi
    fi
    ;;
  *) AC_MSG_ERROR([bad value $enable_cracklib for --enable-cracklib option]) ;;
esac
AC_SUBST(LIBCRACK)

dnl Look for Linux Auditing library - see documentation
AC_ARG_ENABLE([audit],
        AS_HELP_STRING([--disable-audit],[do not enable audit support]),
        WITH_LIBAUDIT=$enableval, WITH_LIBAUDIT=yes)
if test x"$WITH_LIBAUDIT" != xno ; then
        AC_CHECK_HEADER([libaudit.h],
              [AC_CHECK_LIB(audit, audit_log_acct_message, LIBAUDIT=-laudit, LIBAUDIT="")
	       AC_CHECK_TYPE([struct audit_tty_status],
		             [HAVE_AUDIT_TTY_STATUS=yes],
			     [HAVE_AUDIT_TTY_STATUS=""],
			     [#include <libaudit.h>])]
        )
        if test -n "$LIBAUDIT" -a "$ac_cv_header_libaudit_h" != "no" ; then
            AC_DEFINE([HAVE_LIBAUDIT], 1, [Define to 1 if audit support should be compiled in.])
        fi
        if test -n "$HAVE_AUDIT_TTY_STATUS" ; then
            AC_CHECK_MEMBERS([struct audit_tty_status.log_passwd], [],
                            AC_MSG_WARN([audit_tty_status.log_passwd is not available.  The log_passwd option is disabled.]),
                            [[#include <libaudit.h>]])
        fi
else
	LIBAUDIT=""
fi
AC_SUBST(LIBAUDIT)

AC_CHECK_HEADERS(xcrypt.h crypt.h)
AS_IF([test "x$ac_cv_header_xcrypt_h" = "xyes"],
  [crypt_libs="xcrypt crypt"],
  [crypt_libs="crypt"])

BACKUP_LIBS=$LIBS
AC_SEARCH_LIBS([crypt],[$crypt_libs], LIBCRYPT="${ac_cv_search_crypt}", LIBCRYPT="")
AC_CHECK_FUNCS(crypt_r crypt_gensalt_r)
LIBS=$BACKUP_LIBS
AC_SUBST(LIBCRYPT)
if test "$LIBCRYPT" = "-lxcrypt" -a "$ac_cv_header_xcrypt_h" = "yes" ; then
	AC_DEFINE([HAVE_LIBXCRYPT], 1, [Define to 1 if xcrypt support should be compiled in.])
fi

AC_ARG_WITH([randomdev], AS_HELP_STRING([--with-randomdev=(<path>|yes|no)],[use specified random device instead of /dev/urandom or 'no' to disable]), opt_randomdev=$withval)
if test "$opt_randomdev" = yes -o -z "$opt_randomdev"; then
       opt_randomdev="/dev/urandom"
elif test "$opt_randomdev" = no; then
       opt_randomdev=
fi
if test -n "$opt_randomdev"; then
       AC_DEFINE_UNQUOTED(PAM_PATH_RANDOMDEV, "$opt_randomdev", [Random device path.])
fi

dnl check for libdb or libndbm as fallback. Some libndbm compat
dnl libraries are unusable, so try libdb first.
AC_ARG_ENABLE([db],
        AS_HELP_STRING([--enable-db=(db|ndbm|yes|no)],[Default behavior 'yes', which is to check for libdb first, followed by ndbm. Use 'no' to disable db support.]),
        WITH_DB=$enableval, WITH_DB=yes)
AC_ARG_WITH([db-uniquename],
	AS_HELP_STRING([--with-db-uniquename=extension],[Unique name for db libraries and functions.]))
if test x"$WITH_DB" != xno ; then
        if test x"$WITH_DB" = xyes -o x"$WITH_DB" = xdb ; then
              old_libs=$LIBS
              LIBS="$LIBS -ldb$with_db_uniquename"
              AC_CHECK_FUNCS([db_create$with_db_uniquename db_create dbm_store$with_db_uniquename dbm_store],
                [LIBDB="-ldb$with_db_uniquename"; break])
              LIBS=$old_libs
        fi
        if test -z "$LIBDB" ; then
            AC_CHECK_LIB([ndbm],[dbm_store], LIBDB="-lndbm", LIBDB="")
            if test -n "$LIBDB" ; then
                AC_CHECK_HEADERS(ndbm.h)
            fi
        else
            AC_CHECK_HEADERS(db.h)
        fi
fi
AC_SUBST(LIBDB)

AC_ARG_ENABLE([nis],
        AS_HELP_STRING([--disable-nis], [Disable building NIS/YP support in pam_unix]))

AS_IF([test "x$enable_nis" != "xno"], [
  old_CFLAGS=$CFLAGS
  old_CPPFLAGS=$CPPFLAGS
  old_LIBS=$LIBS

  dnl if there's libtirpc available, prefer that over the system
  dnl implementation.
  PKG_CHECK_MODULES([TIRPC], [libtirpc], [
    CFLAGS="$CFLAGS $TIRPC_CFLAGS"
    CPPFLAGS="$CPPFLAGS $TIRPC_CFLAGS"
    LIBS="$LIBS $TIRPC_LIBS"
  ], [:;])

  PKG_CHECK_MODULES([NSL], [libnsl], [],
    [AC_CHECK_LIB([nsl],[yp_match],[NSL_LIBS="-lnsl"],[NSL_LIBS=""])])
  CFLAGS="$CFLAGS $NSL_CFLAGS"
  CPPFLAGS="$CPPFLAGS $NSL_CFLAGS"
  LIBS="$LIBS $NSL_LIBS"

  AC_CHECK_FUNCS([yp_get_default_domain yperr_string yp_master yp_bind yp_match yp_unbind])
  AC_CHECK_FUNCS([getrpcport rpcb_getaddr])
  AC_CHECK_HEADERS([rpc/rpc.h rpcsvc/ypclnt.h rpcsvc/yp_prot.h])
  AC_CHECK_DECLS([getrpcport], , , [
    #if HAVE_RPC_RPC_H
    # include <rpc/rpc.h>
    #endif
  ])

  CFLAGS="$old_CFLAGS"
  CPPFLAGS="$old_CPPFLAGS"
  LIBS="$old_LIBS"
])

AC_SUBST([NIS_CFLAGS])
AC_SUBST([NIS_LIBS])

AC_ARG_ENABLE([usergroups],
  AS_HELP_STRING([--enable-usergroups], [sets the usergroups option default to enabled]),
  [WITH_USERGROUPS=$enableval], WITH_USERGROUPS=no)
if test "$WITH_USERGROUPS" = "yes" ; then
   AC_DEFINE([DEFAULT_USERGROUPS_SETTING], 1,
	     [Defines the value usergroups option should have by default])
else
   AC_DEFINE([DEFAULT_USERGROUPS_SETTING], 0,
	     [Defines the value usergroups option should have by default])
fi

AC_ARG_ENABLE([selinux],
        AS_HELP_STRING([--disable-selinux],[do not use SELinux]),
        WITH_SELINUX=$enableval, WITH_SELINUX=yes)
if test "$WITH_SELINUX" = "yes" ; then
  AC_CHECK_LIB([selinux],[getfilecon], LIBSELINUX="-lselinux", LIBSELINUX="")
else
  LIBSELINUX=""
fi
AC_SUBST(LIBSELINUX)
if test -n "$LIBSELINUX" ; then
    AC_DEFINE([WITH_SELINUX], 1, [Defined if SE Linux support is compiled in])
    BACKUP_LIBS=$LIBS
    LIBS="$LIBS $LIBSELINUX"
    AC_CHECK_FUNCS(setkeycreatecon)
    AC_CHECK_FUNCS(getseuser)
    LIBS=$BACKUP_LIBS
fi

AC_ARG_ENABLE([econf],
  AS_HELP_STRING([--disable-econf], [do not use libeconf]),
  [WITH_ECONF=$enableval], WITH_ECONF=yes)
if test "$WITH_ECONF" = "yes" ; then
  PKG_CHECK_MODULES([ECONF], [libeconf], [],
  [AC_CHECK_LIB([econf],[econf_readDirs],[ECONF_LIBS="-leconf"],[ECONF_LIBS=""])])
  if test -n "$ECONF_LIBS" ; then
    ECONF_CFLAGS="-DUSE_ECONF=1 $ECONF_CFLAGS"
  fi
fi
AC_SUBST([ECONF_CFLAGS])
AC_SUBST([ECONF_LIBS])
AC_ARG_ENABLE([vendordir],
  AS_HELP_STRING([--enable-vendordir=DIR], [Directory for distribution provided configuration files]),,[])
if test -n "$enable_vendordir"; then
  AC_DEFINE_UNQUOTED([VENDORDIR], ["$enable_vendordir"],
		     [Directory for distribution provided configuration files])
  STRINGPARAM_VENDORDIR="--stringparam vendordir '$enable_vendordir'"
else
  STRINGPARAM_VENDORDIR="--stringparam vendordir '<vendordir>'"
fi
AC_SUBST([STRINGPARAM_VENDORDIR])

dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h limits.h malloc.h sys/file.h sys/ioctl.h sys/time.h syslog.h net/if.h termio.h unistd.h sys/fsuid.h inittypes.h sys/vfs.h linux/magic.h)

dnl For module/pam_lastlog
AC_CHECK_HEADERS(lastlog.h utmp.h utmpx.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_BIGENDIAN
AC_C_CONST
AC_TYPE_UID_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM

dnl Checks for library functions.
AC_TYPE_GETGROUPS
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MEMCMP
AC_FUNC_VPRINTF
AC_CHECK_FUNCS(fseeko getdomainname gethostname gettimeofday lckpwdf mkdir select)
AC_CHECK_FUNCS(strcspn strdup strspn strstr strtol uname)
AC_CHECK_FUNCS(getutent_r getpwnam_r getpwuid_r getgrnam_r getgrgid_r getspnam_r getmntent_r)
AC_CHECK_FUNCS(getgrouplist getline getdelim)
AC_CHECK_FUNCS(inet_ntop inet_pton innetgr)
AC_CHECK_FUNCS(quotactl)
AC_CHECK_FUNCS(unshare)
AC_CHECK_FUNCS([ruserok_af ruserok], [break])
BACKUP_LIBS=$LIBS
LIBS="$LIBS -lutil"
AC_CHECK_FUNCS([logwtmp])
LIBS=$BACKUP_LIBS

AC_ARG_ENABLE([regenerate-docu],
  AS_HELP_STRING([--disable-regenerate-docu],[Don't re-build documentation from XML sources]),
  [enable_docu=$enableval], [enable_docu=yes])
dnl
dnl Check for xsltproc
dnl
AC_PATH_PROG([XSLTPROC], [xsltproc])
if test -z "$XSLTPROC"; then
     enable_docu=no
fi
AC_PATH_PROG([XMLLINT], [xmllint],[/bin/true])
dnl check for DocBook DTD and stylesheets in the local catalog.
JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.4//EN],
                [DocBook XML DTD V4.4], [], enable_docu=no)
JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl],
                [DocBook XSL Stylesheets], [], enable_docu=no)

AC_PATH_PROG([BROWSER], [w3m])
if test -n "$BROWSER"; then
     BROWSER="$BROWSER -T text/html -dump"
else
     AC_PATH_PROG([BROWSER], [elinks])
     if test -n "$BROWSER"; then
          BROWSER="$BROWSER -no-numbering -no-references -dump"
     else
          enable_docu=no
     fi
fi

AC_PATH_PROG([FO2PDF], [fop])

AM_CONDITIONAL(ENABLE_REGENERATE_MAN, test x$enable_docu != xno -a x$enable_doc != xno)
AM_CONDITIONAL(ENABLE_GENERATE_PDF, test -n "$FO2PDF")


AM_GNU_GETTEXT_VERSION([0.18.3])
AM_GNU_GETTEXT([external])
AC_CHECK_FUNCS(dngettext)

AH_BOTTOM([#ifdef ENABLE_NLS
#include <libintl.h>
#define _(msgid) dgettext(PACKAGE, msgid)
#define N_(msgid) msgid
#else
#define _(msgid) (msgid)
#define N_(msgid) msgid
#endif /* ENABLE_NLS */])

dnl
dnl Check for the availability of the kernel key management facility
dnl - The pam_keyinit module only requires the syscalls, not the error codes
dnl
AC_CHECK_DECL(__NR_keyctl, [have_key_syscalls=1],[have_key_syscalls=0],[#include <sys/syscall.h>])

dnl
dnl Get values for default uid ranges in login.defs used in pam_usertype
dnl
AC_ARG_WITH([uidmin], AS_HELP_STRING([--with-uidmin=<number>],[default value for regular user min uid (1000)]), opt_uidmin=$withval)
if test x"$opt_uidmin" == x; then
    opt_uidmin=1000
fi
AC_DEFINE_UNQUOTED(PAM_USERTYPE_UIDMIN, $opt_uidmin, [Minimum regular user uid.])

AC_ARG_WITH([sysuidmin], AS_HELP_STRING([--with-sysuidmin=<number>],[default value for system user min uid (101)]), opt_sysuidmin=$withval)
if test x"$opt_sysuidmin" == x; then
    opt_sysuidmin=101
fi
AC_DEFINE_UNQUOTED(PAM_USERTYPE_SYSUIDMIN, $opt_sysuidmin, [Minimum system user uid.])

AC_ARG_WITH([kerneloverflowuid], AS_HELP_STRING([--with-kernel-overflow-uid=<number>],[kernel overflow uid, default (uint16_t)-2=65534]), opt_kerneloverflowuid=$withval)
if test x"$opt_kerneloverflowuid" == x; then
    opt_kerneloverflowuid=65534
fi
AC_DEFINE_UNQUOTED(PAM_USERTYPE_OVERFLOW_UID, $opt_kerneloverflowuid, [Kernel overflow uid.])

AC_ARG_ENABLE([tally],
	      [AS_HELP_STRING([--enable-tally],
			      [build deprecated pam_tally module])],
	      [], [enable_tally=no])
case "$enable_tally" in
  yes|no) ;;
  *) AC_MSG_ERROR([bad value $enable_tally for --enable-tally option]) ;;
esac

AC_ARG_ENABLE([tally2],
	      [AS_HELP_STRING([--enable-tally2],
			      [build deprecated pam_tally2 module])],
	      [], [enable_tally2=no])
case "$enable_tally2" in
  yes|no) ;;
  *) AC_MSG_ERROR([bad value $enable_tally2 for --enable-tally2 option]) ;;
esac

AM_CONDITIONAL([COND_BUILD_PAM_CRACKLIB], [test -n "$LIBCRACK"])
AM_CONDITIONAL([COND_BUILD_PAM_KEYINIT], [test "$have_key_syscalls" = 1])
AM_CONDITIONAL([COND_BUILD_PAM_LASTLOG], [test "$ac_cv_func_logwtmp" = yes])
AM_CONDITIONAL([COND_BUILD_PAM_NAMESPACE], [test "$ac_cv_func_unshare" = yes])
AM_CONDITIONAL([COND_BUILD_PAM_RHOSTS], [test "$ac_cv_func_ruserok_af" = yes -o "$ac_cv_func_ruserok" = yes])
AM_CONDITIONAL([COND_BUILD_PAM_SELINUX], [test -n "$LIBSELINUX"])
AM_CONDITIONAL([COND_BUILD_PAM_SEPERMIT], [test -n "$LIBSELINUX"])
AM_CONDITIONAL([COND_BUILD_PAM_SETQUOTA], [test "$ac_cv_func_quotactl" = yes])
AM_CONDITIONAL([COND_BUILD_PAM_TALLY], [test "$enable_tally" = yes])
AM_CONDITIONAL([COND_BUILD_PAM_TALLY2], [test "$enable_tally2" = yes])
AM_CONDITIONAL([COND_BUILD_PAM_TTY_AUDIT], [test "$HAVE_AUDIT_TTY_STATUS" = yes])
AM_CONDITIONAL([COND_BUILD_PAM_USERDB], [test -n "$LIBDB"])

dnl Files to be created from when we run configure
AC_CONFIG_FILES([Makefile libpam/Makefile libpamc/Makefile libpamc/test/Makefile \
	libpam_misc/Makefile conf/Makefile conf/pam_conv1/Makefile \
	po/Makefile.in \
	Make.xml.rules \
	modules/Makefile \
	modules/pam_access/Makefile modules/pam_cracklib/Makefile \
        modules/pam_debug/Makefile modules/pam_deny/Makefile \
	modules/pam_echo/Makefile modules/pam_env/Makefile \
	modules/pam_faildelay/Makefile modules/pam_faillock/Makefile \
	modules/pam_filter/Makefile modules/pam_filter/upperLOWER/Makefile \
	modules/pam_ftp/Makefile modules/pam_group/Makefile \
	modules/pam_issue/Makefile modules/pam_keyinit/Makefile \
	modules/pam_lastlog/Makefile modules/pam_limits/Makefile \
	modules/pam_listfile/Makefile modules/pam_localuser/Makefile \
	modules/pam_loginuid/Makefile modules/pam_mail/Makefile \
	modules/pam_mkhomedir/Makefile modules/pam_motd/Makefile \
	modules/pam_namespace/Makefile \
	modules/pam_namespace/pam_namespace_helper modules/pam_namespace/pam_namespace.service \
	modules/pam_nologin/Makefile modules/pam_permit/Makefile \
	modules/pam_pwhistory/Makefile modules/pam_rhosts/Makefile \
	modules/pam_rootok/Makefile modules/pam_exec/Makefile \
	modules/pam_securetty/Makefile modules/pam_selinux/Makefile \
	modules/pam_sepermit/Makefile modules/pam_setquota/Makefile \
	modules/pam_shells/Makefile modules/pam_stress/Makefile \
	modules/pam_succeed_if/Makefile modules/pam_tally/Makefile \
	modules/pam_tally2/Makefile modules/pam_time/Makefile \
	modules/pam_timestamp/Makefile modules/pam_tty_audit/Makefile \
	modules/pam_umask/Makefile \
	modules/pam_unix/Makefile modules/pam_userdb/Makefile \
	modules/pam_usertype/Makefile \
	modules/pam_warn/Makefile modules/pam_wheel/Makefile \
	modules/pam_xauth/Makefile doc/Makefile doc/specs/Makefile \
	doc/man/Makefile doc/sag/Makefile doc/adg/Makefile \
	doc/mwg/Makefile examples/Makefile tests/Makefile \
	xtests/Makefile])
AC_OUTPUT