4 # fixup $target_os for use in other places
6 AC_DEFUN([LB_CANONICAL_SYSTEM], [
12 AC_SUBST(lb_target_os)
13 ]) # LB_CANONICAL_SYSTEM
16 # LB_DOWNSTREAM_RELEASE (DEPRECATED)
18 AC_DEFUN([LB_DOWNSTREAM_RELEASE],
19 [AC_ARG_WITH([downstream-release],,
20 AC_MSG_ERROR([--downstream-release was deprecated. Please read Documentation/versioning.txt.])
21 )]) # LB_DOWNSTREAM_RELEASE
26 # Check for file existence even when cross compiling
31 AC_DEFUN([LB_CHECK_FILE], [
32 AS_VAR_PUSHDEF([lb_file], [lb_cv_file_$1])dnl
33 AC_CACHE_CHECK([for $1], lb_file, [
35 [AS_VAR_SET(lb_file, [yes])],
36 [AS_VAR_SET(lb_file, [no])])
38 AS_VAR_IF([lb_file], [yes], [$2], [$3])[]dnl
39 AS_VAR_POPDEF([lb_file])dnl
43 # LB_ARG_LIBS_INCLUDES
45 # support for --with-foo, --with-foo-includes, and --with-foo-libs in
46 # a single magical macro
48 AC_DEFUN([LB_ARG_LIBS_INCLUDES], [
49 lb_pathvar="m4_bpatsubst([$2], -, _)"
50 AC_MSG_CHECKING([for $1])
52 AC_HELP_STRING([--with-$2=path],
55 AS_IF([test "x$withval" = xyes],
56 [eval "$lb_pathvar='$3'"],
57 [eval "$lb_pathvar='$withval'"])
58 AC_MSG_RESULT([${!lb_pathvar:-no}])
60 AS_IF([test "x${!lb_pathvar}" != x -a "x${!lb_pathvar}" != xno], [
61 AC_MSG_CHECKING([for $1 includes])
62 AC_ARG_WITH([$2-includes],
63 AC_HELP_STRING([--with-$2-includes=path],
64 [path to $1 includes]),
67 lb_includevar="${lb_pathvar}_includes"
68 AS_IF([test "x$withval" = xyes],
69 [eval "${lb_includevar}='${!lb_pathvar}/include'"],
70 [eval "${lb_includevar}='$withval'"])
71 AC_MSG_RESULT([${!lb_includevar}])
73 AC_MSG_CHECKING([for $1 libs])
74 AC_ARG_WITH([$2-libs],
75 AC_HELP_STRING([--with-$2-libs=path],
79 lb_libvar="${lb_pathvar}_libs"
80 AS_IF([test "x$withval" = xyes],
81 [eval "${lb_libvar}='${!lb_pathvar}/lib'"],
82 [eval "${lb_libvar}='$withval'"])
83 AC_MSG_RESULT([${!lb_libvar}])
85 ]) # LB_ARG_LIBS_INCLUDES
90 # We no longer handle external lustre-iokit
92 AC_DEFUN([LB_PATH_LUSTREIOKIT], [
93 AC_MSG_CHECKING([whether to build iokit])
94 AC_ARG_ENABLE([iokit],
95 AC_HELP_STRING([--disable-iokit],
96 [disable iokit (default is enable)]),
97 [], [enable_iokit="yes"])
98 AC_MSG_RESULT([$enable_iokit])
99 AS_IF([test "x$enable_iokit" = xyes],
100 [LUSTREIOKIT_SUBDIR="lustre-iokit"],
101 [LUSTREIOKIT_SUBDIR=""])
102 AC_SUBST(LUSTREIOKIT_SUBDIR)
103 AM_CONDITIONAL([BUILD_LUSTREIOKIT], [test "x$enable_iokit" = xyes])
104 ]) # LB_PATH_LUSTREIOKIT
109 # Check whether build with libmount for mount.lustre.
110 # libmount is part of the util-linux since v2.18.
111 # We need it to manipulate utab file.
113 AC_DEFUN([LB_LIBMOUNT], [
114 AC_CHECK_HEADER([libmount/libmount.h], [
115 AC_CHECK_LIB([mount], [mnt_update_set_fs], [
118 AC_DEFINE(HAVE_LIBMOUNT, 1, [build with libmount])
120 ],[with_libmount="no"])
121 ], [with_libmount="no"])
122 AC_MSG_CHECKING([whether to build with libmount])
123 AS_IF([test "x$with_libmount" = xyes], [
133 # check for in-tree snmp support
135 AC_DEFUN([LB_PATH_SNMP], [
136 LB_CHECK_FILE([$srcdir/snmp/lustre-snmp.c], [SNMP_DIST_SUBDIR="snmp"])
137 AC_SUBST(SNMP_DIST_SUBDIR)
138 AC_SUBST(SNMP_SUBDIR)
144 # Build kernel modules?
146 AC_DEFUN([LB_CONFIG_MODULES], [
147 AC_MSG_CHECKING([whether to build Linux kernel modules])
148 AC_ARG_ENABLE([modules],
149 AC_HELP_STRING([--disable-modules],
150 [disable building of Lustre kernel modules]),
152 LC_TARGET_SUPPORTED([enable_modules="yes"],
153 [enable_modules="no"])
155 AC_MSG_RESULT([$enable_modules ($target_os)])
157 AS_IF([test "x$enable_modules" = xyes], [
158 AS_CASE([$target_os],
163 AS_IF([test "x$enable_server" != xno], [LB_EXT4_SRC_DIR])
166 # This is strange - Lustre supports a target we don't
167 AC_MSG_ERROR([Modules are not supported on $target_os])
170 ]) # LB_CONFIG_MODULES
177 AC_DEFUN([LB_CONFIG_UTILS], [
178 AC_MSG_CHECKING([whether to build Lustre utilities])
179 AC_ARG_ENABLE([utils],
180 AC_HELP_STRING([--disable-utils],
181 [disable building of Lustre utility programs]),
182 [], [enable_utils="yes"])
183 AC_MSG_RESULT([$enable_utils])
191 AC_DEFUN([LB_CONFIG_TESTS], [
192 AC_MSG_CHECKING([whether to build Lustre tests])
193 AC_ARG_ENABLE([tests],
194 AC_HELP_STRING([--disable-tests],
195 [disable building of Lustre tests]),
196 [], [enable_tests="yes"])
197 AC_MSG_RESULT([$enable_tests])
203 # Just enough configure so that "make dist" is useful
205 # this simply re-adjusts some defaults, which of course can be overridden
206 # on the configure line after the --for-dist option
208 AC_DEFUN([LB_CONFIG_DIST], [
209 AC_MSG_CHECKING([whether to configure just enough for make dist])
210 AC_ARG_ENABLE([dist],
211 AC_HELP_STRING([--enable-dist],
212 [only configure enough for make dist]),
213 [], [enable_dist="no"])
214 AC_MSG_RESULT([$enable_dist])
215 AS_IF([test "x$enable_dist" != xno], [
228 AC_DEFUN([LB_CONFIG_DOCS], [
229 AC_MSG_CHECKING([whether to build Lustre docs])
231 AC_HELP_STRING([--disable-doc],
232 [skip creation of pdf documentation]),
233 [], [enable_doc="no"])
234 AC_MSG_RESULT([$enable_doc])
235 AS_IF([test "x$enable_doc" = xyes],
236 [ENABLE_DOC=1], [ENABLE_DOC=0])
245 AC_DEFUN([LB_CONFIG_MANPAGES], [
246 AC_MSG_CHECKING([whether to build Lustre manpages])
247 AC_ARG_ENABLE([manpages],
248 AC_HELP_STRING([--disable-manpages],
249 [skip creation and inclusion of man pages (default is enable)]),
250 [], [enable_manpages="yes"])
251 AC_MSG_RESULT([$enable_manpages])
252 ]) # LB_CONFIG_MANPAGES
257 # add -include config.h
259 AC_DEFUN([LB_CONFIG_HEADERS], [
260 AC_CONFIG_HEADERS([config.h])
261 CPPFLAGS="-include $PWD/undef.h -include $PWD/config.h $CPPFLAGS"
262 EXTRA_KCFLAGS="-include $PWD/undef.h -include $PWD/config.h $EXTRA_KCFLAGS"
263 AC_SUBST(EXTRA_KCFLAGS)
264 ]) # LB_CONFIG_HEADERS
269 # defines for including the toplevel Rules
271 AC_DEFUN([LB_INCLUDE_RULES], [
272 INCLUDE_RULES="include $PWD/Rules"
273 AC_SUBST(INCLUDE_RULES)
274 ]) # LB_INCLUDE_RULES
279 # 'fixup' default paths
281 AC_DEFUN([LB_PATH_DEFAULTS], [
282 # directories for binaries
283 AC_PREFIX_DEFAULT([/usr])
288 # Directories for documentation and demos.
289 docdir='${datadir}/doc/$(PACKAGE)'
295 ]) # LB_PATH_DEFAULTS
300 # checks on the C compiler
302 AC_DEFUN([LB_PROG_CC], [
304 AC_CHECK_TOOL(LD, [ld], [no])
305 AC_CHECK_TOOL(OBJDUMP, [objdump], [no])
306 AC_CHECK_TOOL(STRIP, [strip], [no])
308 # --------- unsigned long long sane? -------
309 AC_CHECK_SIZEOF(unsigned long long, 0)
310 AS_IF([test $ac_cv_sizeof_unsigned_long_long != 8],
311 [AC_MSG_ERROR([we assume that sizeof(unsigned long long) == 8.])])
313 AS_IF([test $target_cpu = powerpc64], [
314 AC_MSG_WARN([set compiler with -m64])
315 CFLAGS="$CFLAGS -m64"
319 # UAPI headers, libcfs/include for util headers, lustre/include for liblustreapi and friends
320 CPPFLAGS="-I$PWD/libcfs/include -I$PWD/lnet/include/uapi -I$PWD/lustre/include -I$PWD/lustre/include/uapi $CPPFLAGS"
322 CCASFLAGS="-Wall -fPIC -D_GNU_SOURCE"
325 # everyone builds against lnet and lustre kernel headers
326 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -g -I$PWD/libcfs/include -I$PWD/libcfs/include/libcfs -I$PWD/lnet/include/uapi -I$PWD/lnet/include -I$PWD/lustre/include/uapi -I$PWD/lustre/include"
327 AC_SUBST(EXTRA_KCFLAGS)
331 # Check if gcc supports -Wno-format-truncation
333 # To supress many warnings with gcc7
335 AC_DEFUN([LB_CC_NO_FORMAT_TRUNCATION], [
336 AC_MSG_CHECKING([for -Wno-format-truncation support])
338 saved_flags="$CFLAGS"
339 CFLAGS="$CFLAGS -Wno-format-truncation"
341 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [
342 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Wno-format-truncation"
343 AC_SUBST(EXTRA_KCFLAGS)
349 CFLAGS="$saved_flags"
353 # Check if gcc supports -Wno-stringop-truncation
355 # To supress many warnings with gcc8
357 AC_DEFUN([LB_CC_NO_STRINGOP_TRUNCATION], [
358 AC_MSG_CHECKING([for -Wno-stringop-truncation support])
360 saved_flags="$CFLAGS"
361 CFLAGS="$CFLAGS -Wno-stringop-truncation"
363 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [
364 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Wno-stringop-truncation"
365 AC_SUBST(EXTRA_KCFLAGS)
371 CFLAGS="$saved_flags"
375 # Check if gcc supports -Wno-stringop-overflow
377 # To supress many warnings with gcc8
379 AC_DEFUN([LB_CC_NO_STRINGOP_OVERFLOW], [
380 AC_MSG_CHECKING([for -Wno-stringop-overflow support])
382 saved_flags="$CFLAGS"
383 CFLAGS="$CFLAGS -Wno-stringop-overflow"
385 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [
386 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Wno-stringop-overflow"
387 AC_SUBST(EXTRA_KCFLAGS)
393 CFLAGS="$saved_flags"
399 # AM_CONDITIONAL instances for everything
400 # (so that portals/lustre can disable some if needed)
402 AC_DEFUN([LB_CONDITIONALS], [
403 AM_CONDITIONAL([PLUGINS], [test x$enable_shared = xyes])
404 AM_CONDITIONAL([MODULES], [test x$enable_modules = xyes])
405 AM_CONDITIONAL([UTILS], [test x$enable_utils = xyes])
406 AM_CONDITIONAL([TESTS], [test x$enable_tests = xyes])
407 AM_CONDITIONAL([DOC], [test x$ENABLE_DOC = x1])
408 AM_CONDITIONAL([MANPAGES], [test x$enable_manpages = xyes])
409 AM_CONDITIONAL([LINUX], [test x$lb_target_os = xlinux])
410 AM_CONDITIONAL([USE_QUILT], [test x$use_quilt = xyes])
411 AM_CONDITIONAL([RHEL], [test -f /etc/redhat-release])
412 AM_CONDITIONAL([SUSE], [test -f /etc/SUSE-brand -o -f /etc/SuSE-release])
413 AM_CONDITIONAL([UBUNTU], [test x$UBUNTU_KERNEL = xyes])
422 # build-specific config files
424 AC_DEFUN([LB_CONFIG_FILES], [
429 [Rules:build/Rules.in]
430 AC_PACKAGE_TARNAME[.spec]
431 AC_PACKAGE_TARNAME[-dkms.spec]
434 lustre-iokit/Makefile
435 lustre-iokit/obdfilter-survey/Makefile
436 lustre-iokit/ost-survey/Makefile
437 lustre-iokit/sgpdd-survey/Makefile
438 lustre-iokit/mds-survey/Makefile
439 lustre-iokit/ior-survey/Makefile
440 lustre-iokit/stats-collect/Makefile
447 AC_DEFUN([LB_CONFIG_SERVERS], [
448 AC_ARG_ENABLE([server],
449 AC_HELP_STRING([--disable-server],
450 [disable Lustre server support]), [
451 AS_IF([test x$enable_server != xyes -a x$enable_server != xno],
452 [AC_MSG_ERROR([server valid options are "yes" or "no"])])
453 AS_IF([test x$enable_server = xyes -a x$enable_dist = xyes],
454 [AC_MSG_ERROR([--enable-server cannot be used with --enable-dist])])
456 AS_IF([test x$enable_dist = xyes],
457 [enable_server=no], [enable_server=maybe])
460 # There are at least two good reasons why we should really run
461 # LB_CONFIG_MODULES elsewhere before the call to LB_CONFIG_SERVERS:
462 # LB_CONFIG_MODULES needs to be run for client support even when
463 # servers are disabled, and because module support is actually a
464 # prerequisite of server support. However, some things under
465 # LB_CONFIG_MODULES need us to already have checked for --disable-server,
466 # before running, so until LB_CONFIG_MODULES can be reorganized, we
469 AS_IF([test x$enable_modules = xno], [enable_server=no])
473 # If no backends were configured, and the user did not explicitly
474 # require servers to be enabled, we just disable servers.
475 AS_IF([test x$enable_ldiskfs = xno -a x$enable_zfs = xno], [
476 AS_CASE([$enable_server],
477 [maybe], [enable_server=no],
478 [yes], [AC_MSG_ERROR([cannot enable servers, no backends were configured])])
480 AS_IF([test x$enable_server = xmaybe], [enable_server=yes])
483 AC_MSG_CHECKING([whether to build Lustre server support])
484 AC_MSG_RESULT([$enable_server])
485 AS_IF([test x$enable_server = xyes], [
486 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
487 AC_SUBST(ENABLE_SERVER, yes)
489 AC_SUBST(ENABLE_SERVER, no)
491 ]) # LB_CONFIG_SERVERS
494 # LB_CONFIG_RPMBUILD_OPTIONS
496 # The purpose of this function is to assemble command line options
497 # for the rpmbuild command based on the options passed to the configure
498 # script, and also upon the decisions that configure makes based on
499 # the tests that it runs.
500 # These strings can be passed to rpmbuild on the command line
501 # in the Make targets named "rpms" and "srpm".
503 AC_DEFUN([LB_CONFIG_RPMBUILD_OPTIONS], [
506 eval set -- $ac_configure_args
510 -C | --cache-file=* ) ;;
511 --prefix=* | --*-prefix=* ) ;;
513 --with-kmp-moddir=* ) ;;
514 --with-linux=* | --with-linux-obj=* ) ;;
515 --enable-shared | --disable-shared ) ;;
516 --enable-static | --disable-static ) ;;
517 --enable-ldiskfs | --disable-ldiskfs ) ;;
518 --enable-modules | --disable-modules ) ;;
519 --enable-server | --disable-server ) ;;
520 --enable-tests | --disable-tests ) ;;
521 --enable-utils | --disable-utils ) ;;
522 --enable-iokit | --disable-iokit ) ;;
523 --enable-manpages | --disable-manpages ) ;;
524 * ) CONFIGURE_ARGS="$CONFIGURE_ARGS '$arg'" ;;
527 if test -n "$CONFIGURE_ARGS" ; then
528 RPMBINARGS="$RPMBINARGS --define \"configure_args $CONFIGURE_ARGS\""
530 if test -n "$LINUX" ; then
531 RPMBINARGS="$RPMBINARGS --define \"kdir $LINUX\""
532 if test -n "$LINUX_OBJ" -a "$LINUX_OBJ" != x"$LINUX" ; then
533 RPMBINARGS="$RPMBINARGS --define \"kobjdir $LINUX_OBJ\""
536 if test x$enable_modules != xyes ; then
537 RPMBINARGS="$RPMBINARGS --without lustre_modules"
539 if test x$enable_tests != xyes ; then
540 RPMBINARGS="$RPMBINARGS --without lustre_tests"
542 if test x$enable_utils != xyes ; then
543 RPMBINARGS="$RPMBINARGS --without lustre_utils"
545 if test x$enable_server != xyes ; then
546 RPMBINARGS="$RPMBINARGS --without servers"
548 if test x$enable_ldiskfs != xyes ; then
549 RPMBINARGS="$RPMBINARGS --without ldiskfs"
551 if test x$enable_zfs = xyes ; then
552 RPMBINARGS="$RPMBINARGS --with zfs"
554 if test x$enable_gss_keyring = xyes ; then
555 RPMBINARGS="$RPMBINARGS --with gss_keyring --with gss"
557 if test x$enable_gss = xyes ; then
558 RPMBINARGS="$RPMBINARGS --with gss"
559 AC_SUBST(ENABLE_GSS, yes)
560 elif test x$enable_gss = xno ; then
561 RPMBINARGS="$RPMBINARGS --without gss"
562 AC_SUBST(ENABLE_GSS, no)
564 if test x$enable_iokit != xyes ; then
565 RPMBINARGS="$RPMBINARGS --without lustre_iokit"
567 if test x$enable_snmp != xyes ; then
568 RPMBINARGS="$RPMBINARGS --without snmp"
570 if test x$enable_manpages != xyes ; then
571 RPMBINARGS="$RPMBINARGS --without manpages"
573 if test x$enable_shared != xyes ; then
574 RPMBINARGS="$RPMBINARGS --without shared"
576 if test x$enable_static != xyes ; then
577 RPMBINARGS="$RPMBINARGS --without static"
580 RPMBUILD_BINARY_ARGS=$RPMBINARGS
582 AC_SUBST(RPMBUILD_BINARY_ARGS)
583 ]) # LB_CONFIG_RPMBUILD_OPTIONS
588 # main configure steps
590 AC_DEFUN([LB_CONFIGURE], [
591 AC_MSG_NOTICE([Lustre base checks
592 ==============================================================================])
597 LB_DOWNSTREAM_RELEASE
605 LB_CC_NO_FORMAT_TRUNCATION
606 LB_CC_NO_STRINGOP_TRUNCATION
607 LB_CC_NO_STRINGOP_OVERFLOW
619 # Tests depends from utils (multiop from liblustreapi)
620 AS_IF([test "x$enable_utils" = xno], [enable_tests="no"])
629 LB_DEFINE_E2FSPROGS_NAMES
634 AS_IF([test -n "$SNMP_DIST_SUBDIR"], [LS_CONFIGURE])
643 AS_IF([test -n "$SNMP_DIST_SUBDIR"], [LS_CONFIG_FILES])
645 AC_SUBST(ac_configure_args)
647 MOSTLYCLEANFILES='.*.cmd .*.flags *.o *.ko *.mod.c .depend .*.1.* Modules.symvers Module.symvers'
648 AC_SUBST(MOSTLYCLEANFILES)
650 LB_CONFIG_RPMBUILD_OPTIONS
660 EXTRA_KCFLAGS: $EXTRA_KCFLAGS
662 Type 'make' to build Lustre.