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Add configure option to allow repackaging of e2fsprogs as ldiskfsprogs. (by Jim Garlick)
[fs/lustre-release.git] / build / autoconf / lustre-build.m4
1 #
2 # LB_CHECK_VERSION
3 #
4 # Verify that LUSTRE_VERSION was defined properly
5 #
6 AC_DEFUN([LB_CHECK_VERSION],
7 [if test "LUSTRE_VERSION" = "LUSTRE""_VERSION" ; then
8         AC_MSG_ERROR([This script was not built with a version number.])
9 fi
10 ])
11
12 #
13 # LB_CANONICAL_SYSTEM
14 #
15 # fixup $target_os for use in other places
16 #
17 AC_DEFUN([LB_CANONICAL_SYSTEM],
18 [case $target_os in
19         linux*)
20                 lb_target_os="linux"
21                 ;;
22         darwin*)
23                 lb_target_os="darwin"
24                 ;;
25         solaris*)
26                 lb_target_os="SunOS"
27                 ;;esac
28 AC_SUBST(lb_target_os)
29 ])
30
31 #
32 # LB_CHECK_FILE
33 #
34 # Check for file existance even when cross compiling
35 #
36 AC_DEFUN([LB_CHECK_FILE],
37 [AS_VAR_PUSHDEF([lb_File], [lb_cv_file_$1])dnl
38 AC_CACHE_CHECK([for $1], lb_File,
39 [if test -r "$1"; then
40   AS_VAR_SET(lb_File, yes)
41 else
42   AS_VAR_SET(lb_File, no)
43 fi])
44 AS_IF([test AS_VAR_GET(lb_File) = yes], [$2], [$3])[]dnl
45 AS_VAR_POPDEF([lb_File])dnl
46 ])# LB_CHECK_FILE
47
48 #
49 # LB_CHECK_FILES
50 #
51 # LB_CHECK_FILE over multiple files
52 #
53 AC_DEFUN([LB_CHECK_FILES],
54 [AC_FOREACH([AC_FILE_NAME], [$1],
55   [LB_CHECK_FILE(AC_FILE_NAME,
56                  [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]AC_FILE_NAME), 1,
57                                     [Define to 1 if you have the
58                                      file `]AC_File['.])
59 $2],
60                  [$3])])])
61
62 #
63 # LB_ARG_LIBS_INCLUDES
64 #
65 # support for --with-foo, --with-foo-includes, and --with-foo-libs in
66 # a single magical macro
67 #
68 AC_DEFUN([LB_ARG_LIBS_INCLUDES],
69 [lb_pathvar="m4_bpatsubst([$2], -, _)"
70 AC_MSG_CHECKING([for $1])
71 AC_ARG_WITH([$2],
72         AC_HELP_STRING([--with-$2=path],
73                 [path to $1]),
74         [],[withval=$4])
75
76 if test x$withval = xyes ; then
77         eval "$lb_pathvar='$3'"
78 else
79         eval "$lb_pathvar='$withval'"
80 fi
81 AC_MSG_RESULT([${!lb_pathvar:-no}])
82
83 if test x${!lb_pathvar} != x -a x${!lb_pathvar} != xno ; then
84         AC_MSG_CHECKING([for $1 includes])
85         AC_ARG_WITH([$2-includes],
86                 AC_HELP_STRING([--with-$2-includes=path],
87                         [path to $1 includes]),
88                 [],[withval='yes'])
89
90         lb_includevar="${lb_pathvar}_includes"
91         if test x$withval = xyes ; then
92                 eval "${lb_includevar}='${!lb_pathvar}/include'"
93         else
94                 eval "${lb_includevar}='$withval'"
95         fi
96         AC_MSG_RESULT([${!lb_includevar}])
97
98         AC_MSG_CHECKING([for $1 libs])
99         AC_ARG_WITH([$2-libs],
100                 AC_HELP_STRING([--with-$2-libs=path],
101                         [path to $1 libs]),
102                 [],[withval='yes'])
103
104         lb_libvar="${lb_pathvar}_libs"
105         if test x$withval = xyes ; then
106                 eval "${lb_libvar}='${!lb_pathvar}/lib'"
107         else
108                 eval "${lb_libvar}='$withval'"
109         fi
110         AC_MSG_RESULT([${!lb_libvar}])
111 fi
112 ])
113 ])
114
115 #
116 # LB_PATH_LIBSYSIO
117 #
118 # Handle internal/external libsysio
119 #
120 AC_DEFUN([LB_PATH_LIBSYSIO],
121 [AC_ARG_WITH([sysio],
122         AC_HELP_STRING([--with-sysio=path],
123                         [set path to libsysio source (default is included libsysio)]),
124         [],[
125                 case $lb_target_os in
126                         linux)
127                                 with_sysio='yes'
128                                 ;;
129                         *)
130                                 with_sysio='no'
131                                 ;;
132                 esac
133         ])
134 AC_MSG_CHECKING([location of libsysio])
135 enable_sysio="$with_sysio"
136 case x$with_sysio in
137         xyes)
138                 AC_MSG_RESULT([internal])
139                 LB_CHECK_FILE([$srcdir/libsysio/src/rmdir.c],[],[
140                         AC_MSG_ERROR([A complete internal libsysio was not found.])
141                 ])
142                 LIBSYSIO_SUBDIR="libsysio"
143                 SYSIO="$PWD/libsysio"
144                 ;;
145         xno)
146                 AC_MSG_RESULT([disabled])
147                 ;;
148         *)
149                 AC_MSG_RESULT([$with_sysio])
150                 LB_CHECK_FILE([$with_sysio/lib/libsysio.a],[],[
151                         AC_MSG_ERROR([A complete (built) external libsysio was not found.])
152                 ])
153                 SYSIO=$with_sysio
154                 with_sysio="yes"
155                 ;;
156 esac
157
158 # We have to configure even if we don't build here for make dist to work
159 AC_CONFIG_SUBDIRS(libsysio)
160 ])
161
162 #
163 # LB_PATH_LUSTREIOKIT
164 #
165 # Handle internal/external lustre-iokit
166 #
167 AC_DEFUN([LB_PATH_LUSTREIOKIT],
168 [AC_ARG_WITH([],
169         AC_HELP_STRING([--with-lustre-iokit=path],
170                         [set path to lustre-iokit source (default is included lustre-iokit)]),
171         [],[
172                         with_lustre_iokit='yes'
173         ])
174 AC_MSG_CHECKING([location of lustre-iokit])
175 enable_lustre_iokit="$with_lustre_iokit"
176 case x$with_lustre_iokit in
177         xyes)
178                 AC_MSG_RESULT([internal])
179                 LB_CHECK_FILE([$srcdir/lustre-iokit/ior-survey/ior-survey],[],[
180                         AC_MSG_ERROR([A complete internal lustre-iokit was not found.])
181                 ])
182                 LUSTREIOKIT_SUBDIR="lustre-iokit"
183                 LUSTREIOKIT="$PWD/lustre-iokit"
184                 ;;
185         xno)
186                 AC_MSG_RESULT([disabled])
187                 ;;
188         *)
189                 AC_MSG_RESULT([$with_lustre_iokit])
190                 LB_CHECK_FILE([$with_lustre_iokit/ior-survey/ior_survey],[],[
191                         AC_MSG_ERROR([A complete (built) external lustre-iokit was not found.])
192                 ])
193                 LUSTREIOKIT="$with_lustre_iokit"
194                 with_lustre_iokit="yes"
195                 ;;
196 esac
197 AC_SUBST(LUSTREIOKIT_SUBDIR)
198 # We have to configure even if we don't build here for make dist to work
199 AC_CONFIG_SUBDIRS(lustre-iokit)
200 ])
201
202 #
203 # LB_PATH_LDISKFS
204 #
205 # Handle internal/external ldiskfs
206 #
207 AC_DEFUN([LB_PATH_LDISKFS],
208 [AC_ARG_WITH([ldiskfs],
209         AC_HELP_STRING([--with-ldiskfs=path],
210                         [set path to ldiskfs source (default is included ldiskfs)]),
211         [],[
212                 if test x$linux25$enable_server = xyesyes ; then
213                         with_ldiskfs=yes
214                 else
215                         with_ldiskfs=no
216                 fi
217         ])
218 AC_MSG_CHECKING([location of ldiskfs])
219 case x$with_ldiskfs in
220         xyes)
221                 AC_MSG_RESULT([internal])
222                 LB_CHECK_FILE([$srcdir/ldiskfs/lustre-ldiskfs.spec.in],[],[
223                         AC_MSG_ERROR([A complete internal ldiskfs was not found.])
224                 ])
225                 LDISKFS_SUBDIR="ldiskfs"
226                 LDISKFS_DIR="$PWD/ldiskfs"
227                 ;;
228         xno)
229                 AC_MSG_RESULT([disabled])
230                 ;;
231         *)
232                 AC_MSG_RESULT([$with_ldiskfs])
233                 LB_CHECK_FILE([$with_ldiskfs/ldiskfs/linux/ldiskfs_fs.h],[],[
234                         AC_MSG_ERROR([A complete (built) external ldiskfs was not found.])
235                 ])
236                 LDISKFS_DIR=$with_ldiskfs
237                 ;;
238 esac
239 AC_SUBST(LDISKFS_DIR)
240 AC_SUBST(LDISKFS_SUBDIR)
241 AM_CONDITIONAL(LDISKFS_ENABLED, test x$with_ldiskfs != xno)
242
243 # We have to configure even if we don't build here for make dist to work
244 AC_CONFIG_SUBDIRS(ldiskfs)
245 ])
246
247 # Define no libcfs by default.
248 AC_DEFUN([LB_LIBCFS_DIR],
249 [
250 case x$libcfs_is_module in
251         xyes)
252           LIBCFS_INCLUDE_DIR="libcfs/include"
253           LIBCFS_SUBDIR="libcfs"
254           ;;
255         x*)
256           LIBCFS_INCLUDE_DIR="lnet/include"
257           LIBCFS_SUBDIR=""
258           ;;
259 esac
260 AC_SUBST(LIBCFS_SUBDIR)
261 AC_SUBST(LIBCFS_INCLUDE_DIR)
262 ])
263
264 #
265 # LB_DEFINE_LDISKFS_OPTIONS
266 #
267 # Enable config options related to ldiskfs.  These are used both by ldiskfs
268 # and lvfs (which includes ldiskfs headers.)
269 #
270 AC_DEFUN([LB_DEFINE_LDISKFS_OPTIONS],
271 [
272         AC_DEFINE(CONFIG_LDISKFS_FS_MODULE, 1, [build ldiskfs as a module])
273         AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [enable extended attributes for ldiskfs])
274         AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [enable posix acls for ldiskfs])
275         AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [enable fs security for ldiskfs])
276 ])
277
278 #
279 # LB_DEFINE_E2FSPROGS_NAMES
280 #
281 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
282 #
283 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES],
284 [AC_ARG_WITH([ldiskfsprogs],
285         AC_HELP_STRING([--with-ldiskfsprogs],
286                        [use alternate names for ldiskfs-enabled e2fsprogs]),
287         [],[withval='no'])
288
289 if test x$withval = xyes ; then
290         AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
291         E2FSPROGS="ldiskfsprogs"
292         MKE2FS="mkfs.ldiskfs"
293         DEBUGFS="debug.ldiskfs"
294         TUNE2FS="tune.ldiskfs"
295         E2LABEL="label.ldiskfs"
296         DUMPE2FS="dump.ldiskfs"
297         E2FSCK="fsck.ldiskfs"
298         AC_MSG_RESULT([enabled])
299 else
300         E2FSPROGS="e2fsprogs"
301         MKE2FS="mke2fs"
302         DEBUGFS="debugfs"
303         TUNE2FS="tune2fs"
304         E2LABEL="e2label"
305         DUMPE2FS="dumpe2fs"
306         E2FSCK="e2fsck"
307         AC_MSG_RESULT([disabled])
308 fi
309         AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
310         AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
311         AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
312         AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
313         AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
314         AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
315         AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
316 ])
317
318 #
319 # LB_DEFINE_E2FSPROGS_NAMES
320 #
321 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
322 #
323 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES],
324 [AC_ARG_WITH([ldiskfsprogs],
325         AC_HELP_STRING([--with-ldiskfsprogs],
326                        [use alternate names for ldiskfs-enabled e2fsprogs]),
327         [],[withval='no'])
328
329 if test x$withval = xyes ; then
330         AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
331         E2FSPROGS="ldiskfsprogs"
332         MKE2FS="mkfs.ldiskfs"
333         DEBUGFS="debug.ldiskfs"
334         TUNE2FS="tune.ldiskfs"
335         E2LABEL="label.ldiskfs"
336         DUMPE2FS="dump.ldiskfs"
337         E2FSCK="fsck.ldiskfs"
338         AC_MSG_RESULT([enabled])
339 else
340         E2FSPROGS="e2fsprogs"
341         MKE2FS="mke2fs"
342         DEBUGFS="debugfs"
343         TUNE2FS="tune2fs"
344         E2LABEL="e2label"
345         DUMPE2FS="dumpe2fs"
346         E2FSCK="e2fsck"
347         AC_MSG_RESULT([disabled])
348 fi
349         AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
350         AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
351         AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
352         AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
353         AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
354         AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
355         AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
356 ])
357
358 #
359 # LB_DEFINE_E2FSPROGS_NAMES
360 #
361 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
362 #
363 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES],
364 [AC_ARG_WITH([ldiskfsprogs],
365         AC_HELP_STRING([--with-ldiskfsprogs],
366                        [use alternate names for ldiskfs-enabled e2fsprogs]),
367         [],[withval='no'])
368
369 if test x$withval = xyes ; then
370         AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
371         E2FSPROGS="ldiskfsprogs"
372         MKE2FS="mkfs.ldiskfs"
373         DEBUGFS="debug.ldiskfs"
374         TUNE2FS="tune.ldiskfs"
375         E2LABEL="label.ldiskfs"
376         DUMPE2FS="dump.ldiskfs"
377         E2FSCK="fsck.ldiskfs"
378         AC_MSG_RESULT([enabled])
379 else
380         E2FSPROGS="e2fsprogs"
381         MKE2FS="mke2fs"
382         DEBUGFS="debugfs"
383         TUNE2FS="tune2fs"
384         E2LABEL="e2label"
385         DUMPE2FS="dumpe2fs"
386         E2FSCK="e2fsck"
387         AC_MSG_RESULT([disabled])
388 fi
389         AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
390         AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
391         AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
392         AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
393         AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
394         AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
395         AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
396 ])
397
398 #
399 # LB_CONFIG_CRAY_XT3
400 #
401 # Enable Cray XT3 features
402 #
403 AC_DEFUN([LB_CONFIG_CRAY_XT3],
404 [AC_MSG_CHECKING([whether to build Cray XT3 features])
405 AC_ARG_ENABLE([cray_xt3],
406         AC_HELP_STRING([--enable-cray-xt3],
407                         [enable building of Cray XT3 features]),
408         [enable_cray_xt3='yes'],[enable_cray_xt3='no'])
409 AC_MSG_RESULT([$enable_cray_xt3])
410 if test x$enable_cray_xt3 != xno; then
411         AC_DEFINE(CRAY_XT3, 1, Enable Cray XT3 Features)
412 fi
413 ])
414
415 #
416 # LB_CONFIG_BGL
417 #
418 # Enable BGL features
419 #
420 AC_DEFUN([LB_CONFIG_BGL],
421 [AC_MSG_CHECKING([whether to build BGL features])
422 AC_ARG_ENABLE([bgl],
423         AC_HELP_STRING([--enable-bgl],
424                         [enable building of BGL features]),
425         [enable_bgl='yes'],[enable_bgl='no'])
426 AC_MSG_RESULT([$enable_bgl])
427 if test x$enable_bgl != xno; then
428         AC_DEFINE(HAVE_BGL_SUPPORT, 1, Enable BGL Features)
429         enable_doc='no'
430         enable_tests='no'
431         enable_server='no'
432         enable_liblustre='no'
433         enable_libreadline='no'
434 fi
435 ])
436
437 #
438 # Support for --enable-uoss
439 #
440 AC_DEFUN([LB_UOSS],
441 [AC_MSG_CHECKING([whether to enable uoss])
442 AC_ARG_ENABLE([uoss],
443         AC_HELP_STRING([--enable-uoss],
444                         [enable userspace OSS]),
445         [enable_uoss='yes'],[enable_uoss='no'])
446 AC_MSG_RESULT([$enable_uoss])
447 if test x$enable_uoss = xyes; then
448         AC_DEFINE(UOSS_SUPPORT, 1, Enable user-level OSS)
449         AC_DEFINE(LUSTRE_ULEVEL_MT, 1, Multi-threaded user-level lustre port)
450         enable_uoss='yes'
451         enable_ulevel_mt='yes'
452         enable_modules='no'
453         enable_client='no'
454         enable_tests='no'
455         enable_liblustre='no'
456         with_ldiskfs='no'
457 fi
458 AC_SUBST(enable_uoss)
459 ])
460
461 #
462 # Support for --enable-posix-osd
463 #
464 AC_DEFUN([LB_POSIX_OSD],
465 [AC_MSG_CHECKING([whether to enable posix osd])
466 AC_ARG_ENABLE([posix-osd],
467         AC_HELP_STRING([--enable-posix-osd],
468                         [enable using of posix osd]),
469         [enable_posix_osd='yes'],[enable_posix_osd='no'])
470 AC_MSG_RESULT([$enable_posix_osd])
471 if test x$enable_uoss = xyes -a x$enable_posix_osd = xyes ; then
472         AC_DEFINE(POSIX_OSD, 1, Enable POSIX OSD)
473         posix_osd='yes'
474 fi
475 AM_CONDITIONAL(POSIX_OSD_ENABLED, test x$posix_osd = xyes)
476 ])
477
478 #
479 # LB_PATH_DMU
480 #
481 AC_DEFUN([LB_PATH_DMU],
482 [AC_ARG_ENABLE([dmu],
483         AC_HELP_STRING([--enable-dmu],
484                        [enable the DMU backend]),
485         [],[with_dmu='default'])
486 AC_MSG_CHECKING([whether to enable DMU])
487 case x$with_dmu in
488         xyes)
489                 dmu_osd='yes'
490                 ;;
491         xno)
492                 dmu_osd='no'
493                 ;;
494         xdefault)
495                 if test x$enable_uoss = xyes -a x$posix_osd != xyes; then
496                         # Enable the DMU if we're configuring a userspace server
497                         dmu_osd='yes'
498                 else
499                         # Enable the DMU by default on the b_hd_kdmu branch
500                         if test -d $PWD/zfs -a x$linux25$enable_server = xyesyes; then
501                                 dmu_osd='yes'
502                         else
503                                 dmu_osd='no'
504                         fi
505                 fi
506                 ;;
507         *)
508                 dmu_osd='yes'
509                 ;;
510 esac
511 AC_MSG_RESULT([$dmu_osd])
512 if test x$dmu_osd = xyes; then
513         AC_DEFINE(DMU_OSD, 1, Enable DMU OSD)
514         if test x$enable_uoss = xyes; then
515                 # Userspace DMU
516                 DMU_SRC="$PWD/lustre/zfs-lustre"
517                 AC_SUBST(DMU_SRC)
518                 LB_CHECK_FILE([$DMU_SRC/src/.patched],[],[
519                         AC_MSG_ERROR([A complete (patched) DMU tree was not found.])
520                 ])
521                 AC_CONFIG_SUBDIRS(lustre/zfs-lustre)
522         else
523                 # Kernel DMU
524                 SPL_DIR="$PWD/spl"
525                 ZFS_DIR="$PWD/zfs"
526                 AC_SUBST(SPL_DIR)
527                 AC_SUBST(ZFS_DIR)
528
529                 AC_SUBST(spl_src)
530
531                 LB_CHECK_FILE([$SPL_DIR/modules/spl/spl-generic.c],[],[
532                         AC_MSG_ERROR([A complete SPL tree was not found in $SPL_DIR.])
533                 ])
534
535                 LB_CHECK_FILE([$ZFS_DIR/zfs/lib/libzpool/dmu.c],[],[
536                         AC_MSG_ERROR([A complete kernel DMU tree was not found in $ZFS_DIR.])
537                 ])
538
539                 AC_CONFIG_SUBDIRS(spl)
540                 ac_configure_args="$ac_configure_args --with-spl=$SPL_DIR"
541                 AC_CONFIG_SUBDIRS(zfs)
542         fi
543 fi
544 AM_CONDITIONAL(DMU_OSD_ENABLED, test x$dmu_osd = xyes)
545 AM_CONDITIONAL(KDMU, test x$dmu_osd$enable_uoss = xyesno)
546 ])
547
548 #
549 # LB_PATH_SNMP
550 #
551 # check for in-tree snmp support
552 #
553 AC_DEFUN([LB_PATH_SNMP],
554 [LB_CHECK_FILE([$srcdir/snmp/lustre-snmp.c],[SNMP_DIST_SUBDIR="snmp"])
555 AC_SUBST(SNMP_DIST_SUBDIR)
556 AC_SUBST(SNMP_SUBDIR)
557 ])
558
559 #
560 # LB_CONFIG_MODULES
561 #
562 # Build kernel modules?
563 #
564 AC_DEFUN([LB_CONFIG_MODULES],
565 [AC_MSG_CHECKING([whether to build kernel modules])
566 AC_ARG_ENABLE([modules],
567         AC_HELP_STRING([--disable-modules],
568                         [disable building of Lustre kernel modules]),
569         [],[
570                 LC_TARGET_SUPPORTED([
571                         enable_modules='yes'
572                 ],[
573                         enable_modules='no'
574                 ])
575         ])
576 AC_MSG_RESULT([$enable_modules ($target_os)])
577
578 if test x$enable_modules = xyes ; then
579         case $target_os in
580                 linux*)
581                         LB_PROG_LINUX
582                         LIBCFS_PROG_LINUX
583                         LN_PROG_LINUX
584                         LC_PROG_LINUX
585                         ;;
586                 darwin*)
587                         LB_PROG_DARWIN
588                         LIBCFS_PROG_DARWIN
589                         ;;
590                 *)
591                         # This is strange - Lustre supports a target we don't
592                         AC_MSG_ERROR([Modules are not supported on $target_os])
593                         ;;
594         esac
595 fi
596 ])
597
598 #
599 # LB_CONFIG_UTILS
600 #
601 # Build utils?
602 #
603 AC_DEFUN([LB_CONFIG_UTILS],
604 [AC_MSG_CHECKING([whether to build utilities])
605 AC_ARG_ENABLE([utils],
606         AC_HELP_STRING([--disable-utils],
607                         [disable building of Lustre utility programs]),
608         [],[enable_utils='yes'])
609 AC_MSG_RESULT([$enable_utils])
610 if test x$enable_utils = xyes ; then 
611         LB_CONFIG_INIT_SCRIPTS
612 fi
613 ])
614
615 #
616 # LB_CONFIG_TESTS
617 #
618 # Build tests?
619 #
620 AC_DEFUN([LB_CONFIG_TESTS],
621 [AC_MSG_CHECKING([whether to build Lustre tests])
622 AC_ARG_ENABLE([tests],
623         AC_HELP_STRING([--disable-tests],
624                         [disable building of Lustre tests]),
625         [],
626         [
627                 enable_tests='yes'
628         ])
629 AC_MSG_RESULT([$enable_tests])
630 ])
631
632 #
633 # LB_CONFIG_DOCS
634 #
635 # Build docs?
636 #
637 AC_DEFUN([LB_CONFIG_DOCS],
638 [AC_MSG_CHECKING([whether to build docs])
639 AC_ARG_ENABLE(doc,
640         AC_HELP_STRING([--disable-doc],
641                         [skip creation of pdf documentation]),
642         [
643                 if test x$enable_doc = xyes ; then
644                     ENABLE_DOC=1           
645                 else
646                     ENABLE_DOC=0
647                 fi
648         ],[
649                 ENABLE_DOC=0
650                 enable_doc='no'
651         ])
652 AC_MSG_RESULT([$enable_doc])
653 AC_SUBST(ENABLE_DOC)
654 ])
655
656 #
657 # LB_CONFIG_INIT_SCRIPTS
658 #
659 # our init scripts only work on red hat linux
660 #
661 AC_DEFUN([LB_CONFIG_INIT_SCRIPTS],
662 [ENABLE_INIT_SCRIPTS=0
663 if test x$enable_utils = xyes ; then
664         AC_MSG_CHECKING([whether to install init scripts])
665         # our scripts only work on red hat systems
666         if test -f /etc/init.d/functions -a -f /etc/sysconfig/network ; then
667                 ENABLE_INIT_SCRIPTS=1
668                 AC_MSG_RESULT([yes])
669         else
670                 AC_MSG_RESULT([no])
671         fi
672 fi
673 AC_SUBST(ENABLE_INIT_SCRIPTS)
674 ])
675
676 #
677 # LB_CONFIG_HEADERS
678 #
679 # add -include config.h
680 #
681 AC_DEFUN([LB_CONFIG_HEADERS],
682 [AC_CONFIG_HEADERS([config.h])
683 CPPFLAGS="-include \$(top_builddir)/config.h $CPPFLAGS"
684 EXTRA_KCFLAGS="-include $PWD/config.h $EXTRA_KCFLAGS"
685 AC_SUBST(EXTRA_KCFLAGS)
686 ])
687
688 #
689 # LB_INCLUDE_RULES
690 #
691 # defines for including the toplevel Rules
692 #
693 AC_DEFUN([LB_INCLUDE_RULES],
694 [INCLUDE_RULES="include $PWD/Rules"
695 AC_SUBST(INCLUDE_RULES)
696 ])
697
698 #
699 # LB_PATH_DEFAULTS
700 #
701 # 'fixup' default paths
702 #
703 AC_DEFUN([LB_PATH_DEFAULTS],
704 [# directories for binaries
705 AC_PREFIX_DEFAULT([/usr])
706
707 sysconfdir='/etc'
708 AC_SUBST(sysconfdir)
709
710 # Directories for documentation and demos.
711 docdir='${datadir}/doc/$(PACKAGE)'
712 AC_SUBST(docdir)
713
714 LIBCFS_PATH_DEFAULTS
715 LN_PATH_DEFAULTS
716 LC_PATH_DEFAULTS
717
718 ])
719
720 #
721 # LB_PROG_CC
722 #
723 # checks on the C compiler
724 #
725 AC_DEFUN([LB_PROG_CC],
726 [AC_PROG_RANLIB
727 AC_MSG_CHECKING([for buggy compiler])
728 CC_VERSION=`$CC -v 2>&1 | grep "^gcc version"`
729 bad_cc() {
730         AC_MSG_RESULT([buggy compiler found!])
731         echo
732         echo "   '$CC_VERSION'"
733         echo "  has been known to generate bad code, "
734         echo "  please get an updated compiler."
735         AC_MSG_ERROR([sorry])
736 }
737 case "$CC_VERSION" in
738         "gcc version 2.95"*)
739                 bad_cc
740                 ;;
741         # ost_pack_niobuf putting 64bit NTOH temporaries on the stack
742         # without "sub    $0xc,%esp" to protect the stack from being
743         # stomped on by interrupts (bug 606)
744         "gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)")
745                 bad_cc
746                 ;;
747         # mandrake's similar sub 0xc compiler bug
748         # http://marc.theaimsgroup.com/?l=linux-kernel&m=104748366226348&w=2
749         "gcc version 2.96 20000731 (Mandrake Linux 8.1 2.96-0.62mdk)")
750                 bad_cc
751                 ;;
752         *)
753                 AC_MSG_RESULT([no known problems])
754                 ;;
755 esac
756
757 # ---------  unsigned long long sane? -------
758 AC_CHECK_SIZEOF(unsigned long long, 0)
759 echo "---> size SIZEOF $SIZEOF_unsigned_long_long"
760 echo "---> size SIZEOF $ac_cv_sizeof_unsigned_long_long"
761 if test $ac_cv_sizeof_unsigned_long_long != 8 ; then
762         AC_MSG_ERROR([** we assume that sizeof(long long) == 8.  Tell phil@clusterfs.com])
763 fi
764
765 if test $target_cpu == "powerpc64"; then
766         AC_MSG_WARN([set compiler with -m64])
767         CFLAGS="$CFLAGS -m64"
768         CC="$CC -m64"
769 fi
770
771 CPPFLAGS="-I\$(top_builddir)/$LIBCFS_INCLUDE_DIR -I\$(top_srcdir)/$LIBCFS_INCLUDE_DIR-I\$(top_builddir)/lnet/include -I\$(top_srcdir)/lnet/include -I\$(top_builddir)/lustre/include -I\$(top_srcdir)/lustre/include $CPPFLAGS"
772
773 LLCPPFLAGS="-D__arch_lib__ -D_LARGEFILE64_SOURCE=1"
774 AC_SUBST(LLCPPFLAGS)
775
776 # Add _GNU_SOURCE for strnlen on linux
777 LLCFLAGS="-g -Wall -fPIC -D_GNU_SOURCE"
778 AC_SUBST(LLCFLAGS)
779
780 # everyone builds against lnet and lustre
781 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -g -I$PWD/$LIBCFS_INCLUDE_DIR -I$PWD/lnet/include -I$PWD/lustre/include"
782 AC_SUBST(EXTRA_KCFLAGS)
783 ])
784
785 #
786 # LB_CONTITIONALS
787 #
788 # AM_CONDITIONAL instances for everything
789 # (so that portals/lustre can disable some if needed)
790 AC_DEFUN([LB_CONDITIONALS],
791 [AM_CONDITIONAL(MODULES, test x$enable_modules = xyes)
792 AM_CONDITIONAL(UTILS, test x$enable_utils = xyes)
793 AM_CONDITIONAL(TESTS, test x$enable_tests = xyes)
794 AM_CONDITIONAL(DOC, test x$ENABLE_DOC = x1)
795 AM_CONDITIONAL(INIT_SCRIPTS, test x$ENABLE_INIT_SCRIPTS = "x1")
796 AM_CONDITIONAL(LINUX, test x$lb_target_os = "xlinux")
797 AM_CONDITIONAL(DARWIN, test x$lb_target_os = "xdarwin")
798 AM_CONDITIONAL(CRAY_XT3, test x$enable_cray_xt3 = "xyes")
799 AM_CONDITIONAL(SUNOS, test x$lb_target_os = "xSunOS")
800
801 # this lets lustre cancel libsysio, per-branch or if liblustre is
802 # disabled
803 if test "x$LIBSYSIO_SUBDIR" = xlibsysio ; then
804         if test "x$with_sysio" != xyes ; then
805                 SYSIO=""
806                 LIBSYSIO_SUBDIR=""
807         fi
808 fi
809 AC_SUBST(LIBSYSIO_SUBDIR)
810 AC_SUBST(SYSIO)
811
812 LB_LINUX_CONDITIONALS
813 LB_DARWIN_CONDITIONALS
814
815 LIBCFS_CONDITIONALS
816 LN_CONDITIONALS
817 LC_CONDITIONALS
818 ])
819
820 #
821 # LB_CONFIG_FILES
822 #
823 # build-specific config files
824 #
825 AC_DEFUN([LB_CONFIG_FILES],
826 [
827 AC_CONFIG_FILES(
828 [Makefile
829 autoMakefile
830 ]
831 [Rules:build/Rules.in]
832 AC_PACKAGE_TARNAME[.spec]
833 )
834 ])
835
836 #
837 # LB_CONFIGURE
838 #
839 # main configure steps
840 #
841 AC_DEFUN([LB_CONFIGURE],
842 [LB_CANONICAL_SYSTEM
843
844 LB_LIBCFS_DIR
845
846 LB_INCLUDE_RULES
847
848 LB_CONFIG_CRAY_XT3
849 LB_CONFIG_BGL
850 LB_PATH_DEFAULTS
851
852 LB_PROG_CC
853
854 LB_UOSS
855 LB_POSIX_OSD
856
857 LB_CONFIG_DOCS
858 LB_CONFIG_UTILS
859 LB_CONFIG_TESTS
860 LC_CONFIG_CLIENT_SERVER
861
862 # two macros for cmd3 
863 m4_ifdef([LC_CONFIG_SPLIT], [LC_CONFIG_SPLIT])
864 LN_CONFIG_CDEBUG
865 LC_QUOTA
866
867 LB_CONFIG_MODULES
868
869 LB_PATH_DMU
870 LB_PATH_LIBSYSIO
871 LB_PATH_SNMP
872 LB_PATH_LDISKFS
873 LB_PATH_LUSTREIOKIT
874
875 LB_DEFINE_E2FSPROGS_NAMES
876
877 LB_DEFINE_E2FSPROGS_NAMES
878
879 LB_DEFINE_E2FSPROGS_NAMES
880
881 LC_CONFIG_LIBLUSTRE
882 LIBCFS_CONFIGURE
883 LN_CONFIGURE
884
885 LC_CONFIGURE
886
887 if test "$SNMP_DIST_SUBDIR" ; then
888         LS_CONFIGURE
889 fi
890
891
892 LB_CONDITIONALS
893 LB_CONFIG_HEADERS
894
895 LIBCFS_CONFIG_FILES
896 LB_CONFIG_FILES
897 LN_CONFIG_FILES
898 LC_CONFIG_FILES
899 if test "$SNMP_DIST_SUBDIR" ; then
900         LS_CONFIG_FILES
901 fi
902
903 AC_SUBST(ac_configure_args)
904
905 MOSTLYCLEANFILES='.*.cmd .*.flags *.o *.ko *.mod.c .depend .*.1.* Modules.symvers Module.symvers'
906 AC_SUBST(MOSTLYCLEANFILES)
907
908 AC_OUTPUT
909
910 cat <<_ACEOF
911
912 CC:            $CC
913 LD:            $LD
914 CPPFLAGS:      $CPPFLAGS
915 LLCPPFLAGS:    $LLCPPFLAGS
916 CFLAGS:        $CFLAGS
917 EXTRA_KCFLAGS: $EXTRA_KCFLAGS
918 LLCFLAGS:      $LLCFLAGS
919
920 Type 'make' to build Lustre.
921 _ACEOF
922 ])