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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 esac
26 AC_SUBST(lb_target_os)
27 ])
28
29 #
30 # LB_CHECK_FILE
31 #
32 # Check for file existance even when cross compiling
33 #
34 AC_DEFUN([LB_CHECK_FILE],
35 [AS_VAR_PUSHDEF([lb_File], [lb_cv_file_$1])dnl
36 AC_CACHE_CHECK([for $1], lb_File,
37 [if test -r "$1"; then
38   AS_VAR_SET(lb_File, yes)
39 else
40   AS_VAR_SET(lb_File, no)
41 fi])
42 AS_IF([test AS_VAR_GET(lb_File) = yes], [$2], [$3])[]dnl
43 AS_VAR_POPDEF([lb_File])dnl
44 ])# LB_CHECK_FILE
45
46 #
47 # LB_CHECK_FILES
48 #
49 # LB_CHECK_FILE over multiple files
50 #
51 AC_DEFUN([LB_CHECK_FILES],
52 [AC_FOREACH([AC_FILE_NAME], [$1],
53   [LB_CHECK_FILE(AC_FILE_NAME,
54                  [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]AC_FILE_NAME), 1,
55                                     [Define to 1 if you have the
56                                      file `]AC_File['.])
57 $2],
58                  [$3])])])
59
60 #
61 # LB_ARG_LIBS_INCLUDES
62 #
63 # support for --with-foo, --with-foo-includes, and --with-foo-libs in
64 # a single magical macro
65 #
66 AC_DEFUN([LB_ARG_LIBS_INCLUDES],
67 [lb_pathvar="m4_bpatsubst([$2], -, _)"
68 AC_MSG_CHECKING([for $1])
69 AC_ARG_WITH([$2],
70         AC_HELP_STRING([--with-$2=path],
71                 [path to $1]),
72         [],[withval=$4])
73
74 if test x$withval = xyes ; then
75         eval "$lb_pathvar='$3'"
76 else
77         eval "$lb_pathvar='$withval'"
78 fi
79 AC_MSG_RESULT([${!lb_pathvar:-no}])
80
81 if test x${!lb_pathvar} != x -a x${!lb_pathvar} != xno ; then
82         AC_MSG_CHECKING([for $1 includes])
83         AC_ARG_WITH([$2-includes],
84                 AC_HELP_STRING([--with-$2-includes=path],
85                         [path to $1 includes]),
86                 [],[withval='yes'])
87
88         lb_includevar="${lb_pathvar}_includes"
89         if test x$withval = xyes ; then
90                 eval "${lb_includevar}='${!lb_pathvar}/include'"
91         else
92                 eval "${lb_includevar}='$withval'"
93         fi
94         AC_MSG_RESULT([${!lb_includevar}])
95
96         AC_MSG_CHECKING([for $1 libs])
97         AC_ARG_WITH([$2-libs],
98                 AC_HELP_STRING([--with-$2-libs=path],
99                         [path to $1 libs]),
100                 [],[withval='yes'])
101
102         lb_libvar="${lb_pathvar}_libs"
103         if test x$withval = xyes ; then
104                 eval "${lb_libvar}='${!lb_pathvar}/lib'"
105         else
106                 eval "${lb_libvar}='$withval'"
107         fi
108         AC_MSG_RESULT([${!lb_libvar}])
109 fi
110 ])
111 ])
112
113 #
114 # LB_PATH_LIBSYSIO
115 #
116 # Handle internal/external libsysio
117 #
118 AC_DEFUN([LB_PATH_LIBSYSIO],
119 [AC_ARG_WITH([sysio],
120         AC_HELP_STRING([--with-sysio=path],
121                         [set path to libsysio source (default is included libsysio)]),
122         [],[
123                 case $lb_target_os in
124                         linux)
125                                 with_sysio='yes'
126                                 ;;
127                         *)
128                                 with_sysio='no'
129                                 ;;
130                 esac
131         ])
132 AC_MSG_CHECKING([location of libsysio])
133 enable_sysio="$with_sysio"
134 case x$with_sysio in
135         xyes)
136                 AC_MSG_RESULT([internal])
137                 LB_CHECK_FILE([$srcdir/libsysio/src/rmdir.c],[],[
138                         AC_MSG_ERROR([A complete internal libsysio was not found.])
139                 ])
140                 LIBSYSIO_SUBDIR="libsysio"
141                 SYSIO="$PWD/libsysio"
142                 ;;
143         xno)
144                 AC_MSG_RESULT([disabled])
145                 ;;
146         *)
147                 AC_MSG_RESULT([$with_sysio])
148                 LB_CHECK_FILE([$with_sysio/lib/libsysio.a],[],[
149                         AC_MSG_ERROR([A complete (built) external libsysio was not found.])
150                 ])
151                 SYSIO=$with_sysio
152                 with_sysio="yes"
153                 ;;
154 esac
155
156 # We have to configure even if we don't build here for make dist to
157 # work
158 AC_CONFIG_SUBDIRS(libsysio)
159 ])
160
161 #
162 # LB_PATH_CRAY_PORTALS
163 #
164 # Support for external Cray portals
165 #
166 AC_DEFUN([LB_PATH_CRAY_PORTALS],
167 [LB_ARG_LIBS_INCLUDES([Cray Portals],[cray-portals])
168
169 if test x$cray_portals_includes != x ; then
170         if test ! -r $cray_portals_includes/portals/api.h ; then
171                 AC_MSG_ERROR([Cray portals headers were not found in $cray_portals_includes.  Please check the paths passed to --with-cray-portals or --with-cray-portals-includes.])
172         fi
173 fi
174 if test x$cray_portals_libs != x ; then
175         if test ! -r $cray_portals_libs/libportals.a ; then
176                 AC_MSG_ERROR([Cray portals libraries were not found in $cray_portals_libs.  Please check the paths passed to --with-cray-portals or --with-cray-portals-libs.])
177         fi
178 fi
179
180 if test x$cray_portals_includes != x -a x$cray_portals_libs != x ; then
181         cray_portals=yes
182         AC_DEFINE(CRAY_PORTALS, 1, [Building with Cray Portals])
183         CPPFLAGS="-I$cray_portals_includes $CPPFLAGS"
184         EXTRA_KCFLAGS="-I$cray_portals_includes $EXTRA_KCFLAGS"
185         # for liblustre + b_cray
186         CRAY_PORTALS_LIBS="$cray_portals_libs"
187         AC_SUBST(CRAY_PORTALS_LIBS)
188 else
189         cray_portals=no
190 fi
191 ])
192
193 #
194 # LB_PATH_SNMP
195 #
196 # check for in-tree snmp support
197 #
198 AC_DEFUN([LB_PATH_SNMP],
199 [LB_CHECK_FILE([$srcdir/snmp/lustre-snmp.c],[SNMP_DIST_SUBDIR="snmp"])
200 AC_SUBST(SNMP_DIST_SUBDIR)
201 ])
202
203 #
204 # LB_CONFIG_MODULES
205 #
206 # Build kernel modules?
207 #
208 AC_DEFUN([LB_CONFIG_MODULES],
209 [AC_MSG_CHECKING([whether to build kernel modules])
210 AC_ARG_ENABLE([modules],
211         AC_HELP_STRING([--disable-modules],
212                         [disable building of Lustre kernel modules]),
213         [],[
214                 LC_TARGET_SUPPORTED([
215                         enable_modules='yes'
216                 ],[
217                         enable_modules='no'
218                 ])
219         ])
220 AC_MSG_RESULT([$enable_modules ($target_os)])
221
222 if test x$enable_modules = xyes ; then
223         case $target_os in
224                 linux*)
225                         LB_PROG_LINUX
226                         ;;
227                 darwin*)
228                         LB_PROG_DARWIN
229                         ;;
230                 *)
231                         # This is strange - Lustre supports a target we don't
232                         AC_MSG_ERROR([Modules are not supported on $target_os])
233                         ;;
234         esac
235 fi
236 ])
237
238 #
239 # LB_CONFIG_UTILS
240 #
241 # Build utils?
242 #
243 AC_DEFUN([LB_CONFIG_UTILS],
244 [AC_MSG_CHECKING([whether to build utilities])
245 AC_ARG_ENABLE([utils],
246         AC_HELP_STRING([--disable-utils],
247                         [disable building of Lustre utility programs]),
248         [],[enable_utils='yes'])
249 AC_MSG_RESULT([$enable_utils])
250 if test x$enable_utils = xyes ; then 
251         LB_CONFIG_INIT_SCRIPTS
252 fi
253 ])
254
255 #
256 # LB_CONFIG_TESTS
257 #
258 # Build tests?
259 #
260 AC_DEFUN([LB_CONFIG_TESTS],
261 [AC_MSG_CHECKING([whether to build Lustre tests])
262 AC_ARG_ENABLE([tests],
263         AC_HELP_STRING([--disable-tests],
264                         [disable building of Lustre tests]),
265         [],[enable_tests='yes'])
266 if test x$cray_portals = xyes ; then
267         enable_tests='no'
268 fi
269 AC_MSG_RESULT([$enable_tests])
270 ])
271
272 #
273 # LB_CONFIG_DOCS
274 #
275 # Build docs?
276 #
277 AC_DEFUN([LB_CONFIG_DOCS],
278 [AC_MSG_CHECKING([whether to build docs])
279 AC_ARG_ENABLE(doc,
280         AC_HELP_STRING([--disable-doc],
281                         [skip creation of pdf documentation]),
282         [
283                 if test x$enable_doc = xyes ; then
284                     ENABLE_DOC=1           
285                 else
286                     ENABLE_DOC=0
287                 fi
288         ],[
289                 ENABLE_DOC=0
290                 enable_doc='no'
291         ])
292 AC_MSG_RESULT([$enable_doc])
293 AC_SUBST(ENABLE_DOC)
294 ])
295
296 #
297 # LB_CONFIG_INIT_SCRIPTS
298 #
299 # our init scripts only work on red hat linux
300 #
301 AC_DEFUN([LB_CONFIG_INIT_SCRIPTS],
302 [ENABLE_INIT_SCRIPTS=0
303 if test x$enable_utils = xyes ; then
304         AC_MSG_CHECKING([whether to install init scripts])
305         # our scripts only work on red hat systems
306         if test -f /etc/init.d/functions -a -f /etc/sysconfig/network ; then
307                 ENABLE_INIT_SCRIPTS=1
308                 AC_MSG_RESULT([yes])
309         else
310                 AC_MSG_RESULT([no])
311         fi
312 fi
313 AC_SUBST(ENABLE_INIT_SCRIPTS)
314 ])
315
316 #
317 # LB_CONFIG_HEADERS
318 #
319 # add -include config.h
320 #
321 AC_DEFUN([LB_CONFIG_HEADERS],
322 [AC_CONFIG_HEADERS([config.h])
323 CPPFLAGS="-include \$(top_builddir)/config.h $CPPFLAGS"
324 EXTRA_KCFLAGS="-include $PWD/config.h $EXTRA_KCFLAGS"
325 AC_SUBST(EXTRA_KCFLAGS)
326 ])
327
328 #
329 # LB_INCLUDE_RULES
330 #
331 # defines for including the toplevel Rules
332 #
333 AC_DEFUN([LB_INCLUDE_RULES],
334 [INCLUDE_RULES="include $PWD/build/Rules"
335 AC_SUBST(INCLUDE_RULES)
336 ])
337
338 #
339 # LB_PATH_DEFAULTS
340 #
341 # 'fixup' default paths
342 #
343 AC_DEFUN([LB_PATH_DEFAULTS],
344 [# directories for binaries
345 AC_PREFIX_DEFAULT([/usr])
346
347 sysconfdir='/etc'
348 AC_SUBST(sysconfdir)
349
350 # Directories for documentation and demos.
351 docdir='${datadir}/doc/$(PACKAGE)'
352 AC_SUBST(docdir)
353
354 LP_PATH_DEFAULTS
355 LC_PATH_DEFAULTS
356 ])
357
358 #
359 # LB_PROG_CC
360 #
361 # checks on the C compiler
362 #
363 AC_DEFUN([LB_PROG_CC],
364 [AC_PROG_RANLIB
365 AC_MSG_CHECKING([for buggy compiler])
366 CC_VERSION=`$CC -v 2>&1 | grep "^gcc version"`
367 bad_cc() {
368         AC_MSG_RESULT([buggy compiler found!])
369         echo
370         echo "   '$CC_VERSION'"
371         echo "  has been known to generate bad code, "
372         echo "  please get an updated compiler."
373         AC_MSG_ERROR([sorry])
374 }
375 case "$CC_VERSION" in
376         "gcc version 2.95"*)
377                 bad_cc
378                 ;;
379         # ost_pack_niobuf putting 64bit NTOH temporaries on the stack
380         # without "sub    $0xc,%esp" to protect the stack from being
381         # stomped on by interrupts (bug 606)
382         "gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)")
383                 bad_cc
384                 ;;
385         # mandrake's similar sub 0xc compiler bug
386         # http://marc.theaimsgroup.com/?l=linux-kernel&m=104748366226348&w=2
387         "gcc version 2.96 20000731 (Mandrake Linux 8.1 2.96-0.62mdk)")
388                 bad_cc
389                 ;;
390         *)
391                 AC_MSG_RESULT([no known problems])
392                 ;;
393 esac
394
395 # ---------  unsigned long long sane? -------
396 AC_CHECK_SIZEOF(unsigned long long, 0)
397 echo "---> size SIZEOF $SIZEOF_unsigned_long_long"
398 echo "---> size SIZEOF $ac_cv_sizeof_unsigned_long_long"
399 if test $ac_cv_sizeof_unsigned_long_long != 8 ; then
400         AC_MSG_ERROR([** we assume that sizeof(long long) == 8.  Tell phil@clusterfs.com])
401 fi
402
403 AC_MSG_CHECKING([if $CC accepts -m64])
404 CC_save="$CC"
405 CC="$CC -m64"
406 AC_TRY_COMPILE([],[],[
407         AC_MSG_RESULT([yes])
408 ],[
409         AC_MSG_RESULT([no])
410         CC="$CC_save"
411 ])
412
413 CPPFLAGS="-I\$(top_builddir)/portals/include -I\$(top_srcdir)/portals/include -I\$(top_builddir)/lustre/include -I\$(top_srcdir)/lustre/include $CPPFLAGS"
414
415 LLCPPFLAGS="-D__arch_lib__ -D_LARGEFILE64_SOURCE=1"
416 AC_SUBST(LLCPPFLAGS)
417
418 LLCFLAGS="-g -Wall -fPIC"
419 AC_SUBST(LLCFLAGS)
420
421 # everyone builds against portals and lustre
422 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -g -I$PWD/portals/include -I$PWD/lustre/include"
423 AC_SUBST(EXTRA_KCFLAGS)
424 ])
425
426 #
427 # LB_CONTITIONALS
428 #
429 # AM_CONDITIONAL instances for everything
430 # (so that portals/lustre can disable some if needed)
431 AC_DEFUN([LB_CONDITIONALS],
432 [AM_CONDITIONAL(MODULES, test x$enable_modules = xyes)
433 AM_CONDITIONAL(UTILS, test x$enable_utils = xyes)
434 AM_CONDITIONAL(TESTS, test x$enable_tests = xyes)
435 AM_CONDITIONAL(DOC, test x$ENABLE_DOC = x1)
436 AM_CONDITIONAL(CRAY_PORTALS, test x$cray_portals != xno)
437 AM_CONDITIONAL(INIT_SCRIPTS, test x$ENABLE_INIT_SCRIPTS = "x1")
438 AM_CONDITIONAL(LINUX, test x$lb_target_os = "xlinux")
439 AM_CONDITIONAL(DARWIN, test x$lb_target_os = "xdarwin")
440
441 # this lets lustre cancel libsysio, per-branch or if liblustre is
442 # disabled
443 if test "x$LIBSYSIO_SUBDIR" = xlibsysio ; then
444         if test "x$with_sysio" != xyes ; then
445                 SYSIO=""
446                 LIBSYSIO_SUBDIR=""
447         fi
448 fi
449 AC_SUBST(LIBSYSIO_SUBDIR)
450 AC_SUBST(SYSIO)
451
452 LB_LINUX_CONDITIONALS
453 LB_DARWIN_CONDITIONALS
454
455 LP_CONDITIONALS
456 LC_CONDITIONALS
457 ])
458
459 #
460 # LB_CONFIGURE
461 #
462 # main configure steps
463 #
464 AC_DEFUN([LB_CONFIGURE],
465 [LB_CANONICAL_SYSTEM
466
467 LB_INCLUDE_RULES
468
469 LB_PATH_DEFAULTS
470
471 LB_PROG_CC
472
473 LB_PATH_LIBSYSIO
474 LB_PATH_CRAY_PORTALS
475 LB_PATH_SNMP
476
477 LB_CONFIG_DOCS
478 LB_CONFIG_UTILS
479 LB_CONFIG_TESTS
480 LC_CONFIG_CLIENT_SERVER
481
482 LB_CONFIG_MODULES
483
484 LC_CONFIG_LIBLUSTRE
485
486 LP_CONFIGURE
487 LC_CONFIGURE
488 if test "$SNMP_DIST_SUBDIR" ; then
489         LS_CONFIGURE
490 fi
491
492 LB_CONDITIONALS
493 LB_CONFIG_HEADERS
494
495 AC_CONFIG_FILES(
496 [Makefile:build/Makefile.in.toplevel]
497 [autoMakefile
498 build/autoMakefile
499 build/autoconf/Makefile
500 build/Rules
501 build/lustre.spec
502 ])
503
504 LP_CONFIG_FILES
505 LC_CONFIG_FILES
506 if test "$SNMP_DIST_SUBDIR" ; then
507         LS_CONFIG_FILES
508 fi
509
510 AC_SUBST(ac_configure_args)
511
512 MOSTLYCLEANFILES='.*.cmd .*.flags *.o *.ko *.mod.c .depend .*.1.*'
513 AC_SUBST(MOSTLYCLEANFILES)
514
515 AC_OUTPUT
516
517 cat <<_ACEOF
518
519 CC:            $CC
520 LD:            $LD
521 CPPFLAGS:      $CPPFLAGS
522 LLCPPFLAGS:    $LLCPPFLAGS
523 CFLAGS:        $CFLAGS
524 EXTRA_KCFLAGS: $EXTRA_KCFLAGS
525 LLCFLAGS:      $LLCFLAGS
526
527 Type 'make' to build Lustre.
528 _ACEOF
529 ])