4 # Verify that LUSTRE_VERSION was defined properly
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.])
15 # fixup $target_os for use in other places
17 AC_DEFUN([LB_CANONICAL_SYSTEM],
29 AC_SUBST(lb_target_os)
33 # LB_DOWNSTREAM_RELEASE
35 AC_DEFUN([LB_DOWNSTREAM_RELEASE],
36 [AC_ARG_WITH([downstream-release],
37 AC_HELP_STRING([--with-downstream-release=string],
38 [set a string in the BUILD_VERSION and RPM Release: (default is nothing)]),
39 [DOWNSTREAM_RELEASE=$with_downstream_release],
41 # if not specified, see if it's in the META file
43 DOWNSTREAM_RELEASE=$(sed -ne '/^LOCAL_VERSION =/s/.*= *//p' META)
46 AC_SUBST(DOWNSTREAM_RELEASE)
52 # Check if the source is a GA release and if not, set a "BUILDID"
54 # Currently there are at least two ways/modes of/for doing this. One
55 # is if we are in a valid git repository, the other is if we are in a
56 # non-git source tree of some form. Building the latter from the former
57 # will be handled here.
58 AC_DEFUN([LB_BUILDID],
60 AC_MSG_CHECKING([for buildid])
62 if git branch >/dev/null 2>&1; then
65 ver=$(git describe --match v[[0-9]]_*_[[0-9]]* --tags)
66 if [[[ $ver = *-*-* ]]]; then
72 # it's tempting to use [[ $ver =~ ^v([0-9]+_)+([0-9]+|RC[0-9]+)$ ]]
73 # here but the portability of the regex on the right is dismal
75 if echo "$ver" | egrep -q "^v([[0-9]]+_)+([[0-9]]+|RC[[0-9]]+)$"; then
76 ver=$(echo $ver | sed -e 's/^v\(.*\)/\1/' \
77 -e 's/_RC[[0-9]].*$//' -e 's/_/./g')
80 # a "lustre fix" value of .0 should be truncated
81 if [[[ $ver = *.*.*.0 ]]]; then
84 # ditto for a "lustre fix" value of _0
85 if [[[ $ver = v*_*_*_0 ]]]; then
88 if [[[ $ver = v*_*_* ]]]; then
93 if test "$ver" != "$VERSION"; then
94 AC_MSG_WARN([most recent tag found: $ver does not match current version $VERSION.])
97 if test "$ffw" != "0"; then
99 msg="$BUILDID (ahead by $ffw commits)"
100 AC_MSG_RESULT([$msg])
102 AC_MSG_RESULT([none... congratulations, you must be on a tag])
104 elif test -f META; then
105 BUILDID=$(sed -ne '/^BUILDID =/s/.*= *//p' META)
106 msg="$BUILDID (from META file)"
107 AC_MSG_RESULT([$msg])
109 AC_MSG_WARN([FIXME: I don't know how to deal with source trees outside of git that don't have a META file. Not setting a buildid.])
117 # Check for file existance even when cross compiling
119 AC_DEFUN([LB_CHECK_FILE],
120 [AS_VAR_PUSHDEF([lb_File], [lb_cv_file_$1])dnl
121 AC_CACHE_CHECK([for $1], lb_File,
122 [if test -r "$1"; then
123 AS_VAR_SET(lb_File, yes)
125 AS_VAR_SET(lb_File, no)
127 AS_IF([test AS_VAR_GET(lb_File) = yes], [$2], [$3])[]dnl
128 AS_VAR_POPDEF([lb_File])dnl
133 # LB_ARG_LIBS_INCLUDES
135 # support for --with-foo, --with-foo-includes, and --with-foo-libs in
136 # a single magical macro
138 AC_DEFUN([LB_ARG_LIBS_INCLUDES],
139 [lb_pathvar="m4_bpatsubst([$2], -, _)"
140 AC_MSG_CHECKING([for $1])
142 AC_HELP_STRING([--with-$2=path],
146 if test x$withval = xyes ; then
147 eval "$lb_pathvar='$3'"
149 eval "$lb_pathvar='$withval'"
151 AC_MSG_RESULT([${!lb_pathvar:-no}])
153 if test x${!lb_pathvar} != x -a x${!lb_pathvar} != xno ; then
154 AC_MSG_CHECKING([for $1 includes])
155 AC_ARG_WITH([$2-includes],
156 AC_HELP_STRING([--with-$2-includes=path],
157 [path to $1 includes]),
160 lb_includevar="${lb_pathvar}_includes"
161 if test x$withval = xyes ; then
162 eval "${lb_includevar}='${!lb_pathvar}/include'"
164 eval "${lb_includevar}='$withval'"
166 AC_MSG_RESULT([${!lb_includevar}])
168 AC_MSG_CHECKING([for $1 libs])
169 AC_ARG_WITH([$2-libs],
170 AC_HELP_STRING([--with-$2-libs=path],
174 lb_libvar="${lb_pathvar}_libs"
175 if test x$withval = xyes ; then
176 eval "${lb_libvar}='${!lb_pathvar}/lib'"
178 eval "${lb_libvar}='$withval'"
180 AC_MSG_RESULT([${!lb_libvar}])
188 # Handle internal/external libsysio
190 AC_DEFUN([LB_PATH_LIBSYSIO],
191 [AC_ARG_WITH([sysio],
192 AC_HELP_STRING([--with-sysio=path],
193 [set path to libsysio source (default is included libsysio)]),
195 case $lb_target_os in
204 AC_MSG_CHECKING([location of libsysio])
205 enable_sysio="$with_sysio"
208 AC_MSG_RESULT([internal])
209 LB_CHECK_FILE([$srcdir/libsysio/src/rmdir.c],[],[
210 AC_MSG_ERROR([A complete internal libsysio was not found.])
212 LIBSYSIO_SUBDIR="libsysio"
213 SYSIO="$PWD/libsysio"
216 AC_MSG_RESULT([disabled])
219 AC_MSG_RESULT([$with_sysio])
220 LB_CHECK_FILE([$with_sysio/lib/libsysio.a],[],[
221 AC_MSG_ERROR([A complete (built) external libsysio was not found.])
228 # We have to configure even if we don't build here for make dist to work
229 AC_CONFIG_SUBDIRS([libsysio])
233 # LB_PATH_LUSTREIOKIT
235 # We no longer handle external lustre-iokit
237 AC_DEFUN([LB_PATH_LUSTREIOKIT],
238 [AC_ARG_ENABLE([iokit],
239 AC_HELP_STRING([--disable-iokit],
240 [disable iokit (default is enable)]),
244 AC_MSG_CHECKING([whether to build iokit])
245 AC_MSG_RESULT([$enable_iokit])
246 AS_IF([test "x$enable_iokit" = xyes], [LUSTREIOKIT_SUBDIR="lustre-iokit"], [LUSTREIOKIT_SUBDIR=""])[]dnl
247 AC_SUBST(LUSTREIOKIT_SUBDIR)
248 AM_CONDITIONAL(BUILD_LUSTREIOKIT, [test "x$enable_iokit" = xyes])
251 # Define no libcfs by default.
252 AC_DEFUN([LB_LIBCFS_DIR],
254 case x$libcfs_is_module in
256 LIBCFS_INCLUDE_DIR="libcfs/include"
257 LIBCFS_SUBDIR="libcfs"
260 LIBCFS_INCLUDE_DIR="lnet/include"
264 AC_SUBST(LIBCFS_SUBDIR)
265 AC_SUBST(LIBCFS_INCLUDE_DIR)
271 # check for in-tree snmp support
273 AC_DEFUN([LB_PATH_SNMP],
274 [LB_CHECK_FILE([$srcdir/snmp/lustre-snmp.c],[SNMP_DIST_SUBDIR="snmp"])
275 AC_SUBST(SNMP_DIST_SUBDIR)
276 AC_SUBST(SNMP_SUBDIR)
282 # Build kernel modules?
284 AC_DEFUN([LB_CONFIG_MODULES],
285 [AC_MSG_CHECKING([whether to build kernel modules])
286 AC_ARG_ENABLE([modules],
287 AC_HELP_STRING([--disable-modules],
288 [disable building of Lustre kernel modules]),
290 LC_TARGET_SUPPORTED([
296 AC_MSG_RESULT([$enable_modules ($target_os)])
298 if test x$enable_modules = xyes ; then
312 # This is strange - Lustre supports a target we don't
313 AC_MSG_ERROR([Modules are not supported on $target_os])
324 AC_DEFUN([LB_CONFIG_UTILS],
325 [AC_MSG_CHECKING([whether to build utilities])
326 AC_ARG_ENABLE([utils],
327 AC_HELP_STRING([--disable-utils],
328 [disable building of Lustre utility programs]),
329 [],[enable_utils='yes'])
330 AC_MSG_RESULT([$enable_utils])
331 if test x$enable_utils = xyes ; then
332 LB_CONFIG_INIT_SCRIPTS
341 AC_DEFUN([LB_CONFIG_TESTS],
342 [AC_MSG_CHECKING([whether to build Lustre tests])
343 AC_ARG_ENABLE([tests],
344 AC_HELP_STRING([--disable-tests],
345 [disable building of Lustre tests]),
350 AC_MSG_RESULT([$enable_tests])
356 # Just enough configure so that "make dist" is useful
358 # this simply re-adjusts some defaults, which of course can be overridden
359 # on the configure line after the --for-dist option
361 AC_DEFUN([LB_CONFIG_DIST],
362 [AC_MSG_CHECKING([whether to configure just enough for make dist])
363 AC_ARG_ENABLE([dist],
364 AC_HELP_STRING([--enable-dist],
365 [only configure enough for make dist]),
366 [enable_dist='yes'],[enable_dist='no'])
367 AC_MSG_RESULT([$enable_dist])
368 if test x$enable_dist != xno; then
371 enable_liblustre='no'
382 AC_DEFUN([LB_CONFIG_DOCS],
383 [AC_MSG_CHECKING([whether to build docs])
385 AC_HELP_STRING([--disable-doc],
386 [skip creation of pdf documentation]),
388 if test x$enable_doc = xyes ; then
397 AC_MSG_RESULT([$enable_doc])
402 # LB_CONFIG_INIT_SCRIPTS
404 # our init scripts only work on red hat linux
406 AC_DEFUN([LB_CONFIG_INIT_SCRIPTS],
407 [ENABLE_INIT_SCRIPTS=0
408 if test x$enable_utils = xyes ; then
409 AC_MSG_CHECKING([whether to install init scripts])
410 # our scripts only work on red hat systems
411 if test -f /etc/init.d/functions -a -f /etc/sysconfig/network ; then
412 ENABLE_INIT_SCRIPTS=1
418 AC_SUBST(ENABLE_INIT_SCRIPTS)
424 # add -include config.h
426 AC_DEFUN([LB_CONFIG_HEADERS],[
427 AC_CONFIG_HEADERS([config.h])
428 CPPFLAGS="-include $PWD/config.h $CPPFLAGS"
429 EXTRA_KCFLAGS="-include $PWD/config.h $EXTRA_KCFLAGS"
430 AC_SUBST(EXTRA_KCFLAGS)
436 # defines for including the toplevel Rules
438 AC_DEFUN([LB_INCLUDE_RULES],[
439 INCLUDE_RULES="include $PWD/Rules"
440 AC_SUBST(INCLUDE_RULES)
446 # 'fixup' default paths
448 AC_DEFUN([LB_PATH_DEFAULTS],
449 [# directories for binaries
450 AC_PREFIX_DEFAULT([/usr])
452 sysconfdir='$(CROSS_PATH)/etc'
455 # Directories for documentation and demos.
456 docdir='$(datadir)/doc/$(PACKAGE)'
468 # checks on the C compiler
470 AC_DEFUN([LB_PROG_CC],
472 AC_CHECK_TOOL(LD, ld, [no])
473 AC_CHECK_TOOL(OBJDUMP, objdump, [no])
474 AC_CHECK_TOOL(STRIP, strip, [no])
476 # --------- unsigned long long sane? -------
477 AC_CHECK_SIZEOF(unsigned long long, 0)
478 echo "---> size SIZEOF $SIZEOF_unsigned_long_long"
479 echo "---> size SIZEOF $ac_cv_sizeof_unsigned_long_long"
480 if test $ac_cv_sizeof_unsigned_long_long != 8 ; then
481 AC_MSG_ERROR([** we assume that sizeof(long long) == 8.])
484 if test $target_cpu == "powerpc64"; then
485 AC_MSG_WARN([set compiler with -m64])
486 CFLAGS="$CFLAGS -m64"
490 CPPFLAGS="-I$PWD/$LIBCFS_INCLUDE_DIR -I$PWD/lnet/include -I$PWD/lustre/include $CPPFLAGS"
492 LLCPPFLAGS="-D__arch_lib__ -D_LARGEFILE64_SOURCE=1"
495 # Add _GNU_SOURCE for strnlen on linux
496 LLCFLAGS="-g -Wall -fPIC -D_GNU_SOURCE"
499 CCASFLAGS="-Wall -fPIC -D_GNU_SOURCE"
502 # everyone builds against lnet and lustre
503 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -g -I$PWD/$LIBCFS_INCLUDE_DIR -I$PWD/lnet/include -I$PWD/lustre/include"
504 AC_SUBST(EXTRA_KCFLAGS)
510 # AM_CONDITIONAL instances for everything
511 # (so that portals/lustre can disable some if needed)
512 AC_DEFUN([LB_CONDITIONALS],
513 [AM_CONDITIONAL(MODULES, test x$enable_modules = xyes)
514 AM_CONDITIONAL(UTILS, test x$enable_utils = xyes)
515 AM_CONDITIONAL(TESTS, test x$enable_tests = xyes)
516 AM_CONDITIONAL(DOC, test x$ENABLE_DOC = x1)
517 AM_CONDITIONAL(INIT_SCRIPTS, test x$ENABLE_INIT_SCRIPTS = "x1")
518 AM_CONDITIONAL(LINUX, test x$lb_target_os = "xlinux")
519 AM_CONDITIONAL(DARWIN, test x$lb_target_os = "xdarwin")
520 AM_CONDITIONAL(SUNOS, test x$lb_target_os = "xSunOS")
521 AM_CONDITIONAL(USES_DPKG, test x$uses_dpkg = "xyes")
522 AM_CONDITIONAL([USE_QUILT], [test x$use_quilt = xyes])
524 # Sanity check for PCLMULQDQ instruction availability
525 # PCLMULQDQ instruction is a new instruction available beginning with
526 # the all new Core processor family based on the 32nm microarchitecture
527 # codename Westmere. So, $target_cpu = x86_64 should have this instruction
528 # except MIC microarchitecture (k1om).
529 AM_CONDITIONAL(HAVE_PCLMULQDQ, test x$target_cpu = "xx86_64" -a x$target_vendor != "xk1om")
530 if test x$target_cpu = "xx86_64" -a x$target_vendor != "xk1om" ; then
531 AC_DEFINE(HAVE_PCLMULQDQ, 1, [have PCLMULQDQ instruction])
534 # this lets lustre cancel libsysio, per-branch or if liblustre is
536 if test "x$LIBSYSIO_SUBDIR" = xlibsysio ; then
537 if test "x$with_sysio" != xyes ; then
542 AC_SUBST(LIBSYSIO_SUBDIR)
545 LB_DARWIN_CONDITIONALS
555 # build-specific config files
557 AC_DEFUN([LB_CONFIG_FILES],
563 [Rules:build/Rules.in]
564 AC_PACKAGE_TARNAME[.spec]
566 contrib/lbuild/Makefile
567 contrib/scripts/Makefile
570 lustre-iokit/Makefile
571 lustre-iokit/obdfilter-survey/Makefile
572 lustre-iokit/ost-survey/Makefile
573 lustre-iokit/sgpdd-survey/Makefile
574 lustre-iokit/mds-survey/Makefile
575 lustre-iokit/ior-survey/Makefile
576 lustre-iokit/stats-collect/Makefile
583 AC_DEFUN([LB_CONFIG_SERVERS],
585 AC_ARG_ENABLE([server],
586 AC_HELP_STRING([--disable-server],
587 [disable Lustre server support]),
588 [AS_IF([test x$enable_server != xyes -a x$enable_server != xno],
589 [AC_MSG_ERROR([server valid options are "yes" or "no"])])
590 AS_IF([test x$enable_server = xyes -a x$enable_dist = xyes],
591 [AC_MSG_ERROR([--enable-server cannot be used with --enable-dist])])
593 [AS_IF([test x$enable_dist = xyes],
595 [enable_server=maybe])
599 # There are at least two good reasons why we should really run
600 # LB_CONFIG_MODULES elsewhere before the call to LB_CONFIG_SERVERS:
601 # LB_CONFIG_MODULES needs to be run for client support even when
602 # servers are disabled, and because module support is actually a
603 # prerequisite of server support. However, some things under
604 # LB_CONFIG_MODULES need us to already have checked for --disable-server,
605 # before running, so until LB_CONFIG_MODULES can be reorganized, we
608 AS_IF([test x$enable_modules = xno],[enable_server=no])
612 # If no backends were configured, and the user did not explicitly
613 # require servers to be enabled, we just disable servers.
614 AS_IF([test x$enable_ldiskfs = xno -a x$enable_zfs = xno],
615 [AS_CASE([$enable_server],
616 [maybe], [enable_server=no],
617 [yes], [AC_MSG_ERROR([cannot enable servers, no backends were configured])])
619 [AS_IF([test x$enable_server = xmaybe], [enable_server=yes])]
622 AC_MSG_CHECKING([whether to build Lustre server support])
623 AC_MSG_RESULT([$enable_server])
624 AS_IF([test x$enable_server = xyes],
625 [AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])]
632 # main configure steps
634 AC_DEFUN([LB_CONFIGURE],
639 LB_DOWNSTREAM_RELEASE
659 # two macros for cmd3
660 m4_ifdef([LC_CONFIG_SPLIT], [LC_CONFIG_SPLIT])
670 LB_DEFINE_E2FSPROGS_NAMES
678 if test "$SNMP_DIST_SUBDIR" ; then
690 if test "$SNMP_DIST_SUBDIR" ; then
694 AC_SUBST(ac_configure_args)
696 MOSTLYCLEANFILES='.*.cmd .*.flags *.o *.ko *.mod.c .depend .*.1.* Modules.symvers Module.symvers'
697 AC_SUBST(MOSTLYCLEANFILES)
706 LLCPPFLAGS: $LLCPPFLAGS
708 EXTRA_KCFLAGS: $EXTRA_KCFLAGS
711 Type 'make' to build Lustre.