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 AS_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 AS_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 AS_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 AS_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$enable_iokit" = xyes])
104 ]) # LB_PATH_LUSTREIOKIT
109 # Check whether build with libmount for mount.lustre.
110 # libmount is part of the util-linux since v2.18.
111 # We need it to manipulate utab file.
113 AC_DEFUN([LB_LIBMOUNT], [
114 AC_CHECK_HEADER([libmount/libmount.h], [
115 AC_CHECK_LIB([mount], [mnt_update_set_fs], [
119 ],[with_libmount="no"])
120 ], [with_libmount="no"])
121 AC_MSG_CHECKING([whether to build with libmount])
122 AS_IF([test "x$with_libmount" = xyes], [
126 AC_MSG_ERROR([libmount development package is required])
133 # check for in-tree snmp support
135 AC_DEFUN([LB_PATH_SNMP], [
136 LB_CHECK_FILE([$srcdir/snmp/lustre-snmp.c], [SNMP_DIST_SUBDIR="snmp"])
137 AC_SUBST(SNMP_DIST_SUBDIR)
138 AC_SUBST(SNMP_SUBDIR)
144 # Build kernel modules?
146 AC_DEFUN([LB_CONFIG_MODULES], [
147 AC_MSG_CHECKING([whether to build Linux kernel modules])
148 AC_ARG_ENABLE([modules],
149 AS_HELP_STRING([--disable-modules],
150 [disable building of Lustre kernel modules]),
151 [ AC_DEFINE(HAVE_NATIVE_LINUX_CLIENT, 1, [support native Linux client])], [
152 LC_TARGET_SUPPORTED([enable_modules="yes"],
153 [enable_modules="no"])
155 AC_MSG_RESULT([$enable_modules ($target_os)])
157 AS_IF([test "x$enable_modules" = xyes], [
158 AS_IF([test "x$FLEX" = "x"], [AC_MSG_ERROR([flex package is required to build kernel modules])])
159 AS_IF([test "x$BISON" = "x"], [AC_MSG_ERROR([bison package is required to build kernel modules])])
160 AS_CASE([$target_os],
166 AS_IF([test "x$enable_server" != xno], [LB_EXT4_SRC_DIR])
169 # Run any parallel compile tests
170 LIBCFS_PROG_LINUX_SRC
172 AS_IF([test "x$enable_server" != xno], [LB_EXT4_SRC_DIR_SRC])
175 # Collect parallel compile tests results
176 LIBCFS_PROG_LINUX_RESULTS
177 LN_PROG_LINUX_RESULTS
178 AS_IF([test "x$enable_server" != xno], [LB_EXT4_SRC_DIR_RESULTS])
179 LC_PROG_LINUX_RESULTS
182 # This is strange - Lustre supports a target we don't
183 AC_MSG_ERROR([Modules are not supported on $target_os])
185 # Use OpenSFS UAPI header path instead of linux kernel
186 CPPFLAGS="-I$PWD/lnet/include/uapi -I$PWD/lustre/include/uapi $CPPFLAGS"
188 ]) # LB_CONFIG_MODULES
195 AC_DEFUN([LB_CONFIG_UTILS], [
196 AC_MSG_CHECKING([whether to build Lustre utilities])
197 AC_ARG_ENABLE([utils],
198 AS_HELP_STRING([--disable-utils],
199 [disable building of Lustre utility programs]),
200 [], [enable_utils="yes"])
201 AC_MSG_RESULT([$enable_utils])
209 AC_DEFUN([LB_CONFIG_TESTS], [
210 AC_MSG_CHECKING([whether to build Lustre tests])
211 AC_ARG_ENABLE([tests],
212 AS_HELP_STRING([--disable-tests],
213 [disable building of Lustre tests]),
214 [], [enable_tests="yes"])
217 # Check to see if we can build the lutf
220 AS_IF([test "x$PYTHON_VERSION_CHECK" = xno], [
223 AX_PKG_SWIG(2.0, [ enable_lutf="yes" ],
224 [ enable_lutf="no" ])
227 AC_MSG_RESULT([$enable_tests])
233 # Just enough configure so that "make dist" is useful
235 # this simply re-adjusts some defaults, which of course can be overridden
236 # on the configure line after the --for-dist option
238 AC_DEFUN([LB_CONFIG_DIST], [
239 AC_MSG_CHECKING([whether to configure just enough for make dist])
240 AC_ARG_ENABLE([dist],
241 AS_HELP_STRING([--enable-dist],
242 [only configure enough for make dist]),
243 [], [enable_dist="no"])
244 AC_MSG_RESULT([$enable_dist])
245 AS_IF([test "x$enable_dist" != xno], [
258 AC_DEFUN([LB_CONFIG_DOCS], [
259 AC_MSG_CHECKING([whether to build Lustre docs])
261 AS_HELP_STRING([--disable-doc],
262 [skip creation of pdf documentation]),
263 [], [enable_doc="no"])
264 AC_MSG_RESULT([$enable_doc])
265 AS_IF([test "x$enable_doc" = xyes],
266 [ENABLE_DOC=1], [ENABLE_DOC=0])
275 AC_DEFUN([LB_CONFIG_MANPAGES], [
276 AC_MSG_CHECKING([whether to build Lustre manpages])
277 AC_ARG_ENABLE([manpages],
278 AS_HELP_STRING([--disable-manpages],
279 [skip creation and inclusion of man pages (default is enable)]),
280 [], [enable_manpages="yes"])
281 AC_MSG_RESULT([$enable_manpages])
282 ]) # LB_CONFIG_MANPAGES
287 # add -include config.h
289 AC_DEFUN([LB_CONFIG_HEADERS], [
290 AC_CONFIG_HEADERS([config.h])
291 CPPFLAGS="-include $PWD/undef.h -include $PWD/config.h $CPPFLAGS"
292 EXTRA_KCFLAGS="-include $PWD/undef.h -include $PWD/config.h $EXTRA_KCFLAGS"
293 AC_SUBST(EXTRA_KCFLAGS)
294 ]) # LB_CONFIG_HEADERS
299 # defines for including the toplevel Rules
301 AC_DEFUN([LB_INCLUDE_RULES], [
302 INCLUDE_RULES="include $PWD/Rules"
303 AC_SUBST(INCLUDE_RULES)
304 ]) # LB_INCLUDE_RULES
309 # 'fixup' default paths
311 AC_DEFUN([LB_PATH_DEFAULTS], [
312 # directories for binaries
313 AC_PREFIX_DEFAULT([/usr])
318 # Directories for documentation and demos.
319 docdir='${datadir}/doc/$(PACKAGE)'
325 ]) # LB_PATH_DEFAULTS
330 # checks on the C compiler
332 AC_DEFUN([LB_PROG_CC], [
334 AC_CHECK_TOOL(LD, [ld], [no])
335 AC_CHECK_TOOL(OBJDUMP, [objdump], [no])
336 AC_CHECK_TOOL(STRIP, [strip], [no])
338 # --------- unsigned long long sane? -------
339 AC_CHECK_SIZEOF(unsigned long long, 0)
340 AS_IF([test $ac_cv_sizeof_unsigned_long_long != 8],
341 [AC_MSG_ERROR([we assume that sizeof(unsigned long long) == 8.])])
343 AS_IF([test $target_cpu = powerpc64], [
344 AC_MSG_WARN([set compiler with -m64])
345 CFLAGS="$CFLAGS -m64"
349 # libcfs/include for util headers, lustre/include for liblustreapi and friends
350 # UAPI headers from OpenSFS are included if modules support is enabled, otherwise
351 # it will use the native kernel implementation.
352 CPPFLAGS="-I$PWD/libcfs/include -I$PWD/lnet/utils/ -I$PWD/lustre/include $CPPFLAGS"
354 CCASFLAGS="-Wall -fPIC -D_GNU_SOURCE"
357 # everyone builds against lnet and lustre kernel headers
358 EXTRA_KCFLAGS="$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"
359 AC_SUBST(EXTRA_KCFLAGS)
363 # Check if gcc supports -Wno-format-truncation
365 # To supress many warnings with gcc7
367 AC_DEFUN([LB_CC_NO_FORMAT_TRUNCATION], [
368 AC_MSG_CHECKING([for -Wno-format-truncation support])
370 saved_flags="$CFLAGS"
371 CFLAGS="$CFLAGS -Wno-format-truncation"
373 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [
374 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Wno-format-truncation"
375 AC_SUBST(EXTRA_KCFLAGS)
381 CFLAGS="$saved_flags"
385 # Check if gcc supports -Wno-stringop-truncation
387 # To supress many warnings with gcc8
389 AC_DEFUN([LB_CC_NO_STRINGOP_TRUNCATION], [
390 AC_MSG_CHECKING([for -Wno-stringop-truncation support])
392 saved_flags="$CFLAGS"
393 CFLAGS="$CFLAGS -Werror -Wno-stringop-truncation"
395 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [
396 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Wno-stringop-truncation"
397 AC_SUBST(EXTRA_KCFLAGS)
403 CFLAGS="$saved_flags"
407 # Check if gcc supports -Wno-stringop-overflow
409 # To supress many warnings with gcc8
411 AC_DEFUN([LB_CC_NO_STRINGOP_OVERFLOW], [
412 AC_MSG_CHECKING([for -Wno-stringop-overflow support])
414 saved_flags="$CFLAGS"
415 CFLAGS="$CFLAGS -Wno-stringop-overflow"
417 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [
418 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Wno-stringop-overflow"
419 AC_SUBST(EXTRA_KCFLAGS)
425 CFLAGS="$saved_flags"
431 # AM_CONDITIONAL instances for everything
432 # (so that portals/lustre can disable some if needed)
434 AC_DEFUN([LB_CONDITIONALS], [
435 AM_CONDITIONAL([PLUGINS], [test x$enable_shared = xyes])
436 AM_CONDITIONAL([MODULES], [test x$enable_modules = xyes])
437 AM_CONDITIONAL([UTILS], [test x$enable_utils = xyes])
438 AM_CONDITIONAL([TESTS], [test x$enable_tests = xyes])
439 AM_CONDITIONAL([DOC], [test x$ENABLE_DOC = x1])
440 AM_CONDITIONAL([MANPAGES], [test x$enable_manpages = xyes])
441 AM_CONDITIONAL([LINUX], [test x$lb_target_os = xlinux])
442 AM_CONDITIONAL([USE_QUILT], [test x$use_quilt = xyes])
443 AM_CONDITIONAL([RHEL], [test -f /etc/redhat-release])
444 AM_CONDITIONAL([SUSE], [test -f /etc/SUSE-brand -o -f /etc/SuSE-release])
445 AM_CONDITIONAL([UBUNTU], [test x$UBUNTU_KERNEL = xyes])
446 AM_CONDITIONAL([BUILD_LUTF], [test x$enable_lutf = xyes])
455 # build-specific config files
457 AC_DEFUN([LB_CONFIG_FILES], [
462 [Rules:build/Rules.in]
463 AC_PACKAGE_TARNAME[.spec]
464 AC_PACKAGE_TARNAME[-dkms.spec]
467 lustre/utils/lustre.pc
468 lustre-iokit/Makefile
469 lustre-iokit/obdfilter-survey/Makefile
470 lustre-iokit/ost-survey/Makefile
471 lustre-iokit/sgpdd-survey/Makefile
472 lustre-iokit/mds-survey/Makefile
473 lustre-iokit/ior-survey/Makefile
474 lustre-iokit/stats-collect/Makefile
481 AC_DEFUN([LB_CONFIG_SERVERS], [
482 AC_ARG_ENABLE([server],
483 AS_HELP_STRING([--disable-server],
484 [disable Lustre server support]), [
485 AS_IF([test x$enable_server != xyes -a x$enable_server != xno],
486 [AC_MSG_ERROR([server valid options are "yes" or "no"])])
487 AS_IF([test x$enable_server = xyes -a x$enable_dist = xyes],
488 [AC_MSG_ERROR([--enable-server cannot be used with --enable-dist])])
490 AS_IF([test x$enable_dist = xyes],
491 [enable_server=no], [enable_server=maybe])
494 # There are at least two good reasons why we should really run
495 # LB_CONFIG_MODULES elsewhere before the call to LB_CONFIG_SERVERS:
496 # LB_CONFIG_MODULES needs to be run for client support even when
497 # servers are disabled, and because module support is actually a
498 # prerequisite of server support. However, some things under
499 # LB_CONFIG_MODULES need us to already have checked for --disable-server,
500 # before running, so until LB_CONFIG_MODULES can be reorganized, we
503 AS_IF([test x$enable_modules = xno], [enable_server=no])
507 # If no backends were configured, and the user did not explicitly
508 # require servers to be enabled, we just disable servers.
509 AS_IF([test x$enable_ldiskfs = xno -a x$enable_zfs = xno], [
510 AS_CASE([$enable_server],
511 [maybe], [enable_server=no],
512 [yes], [AC_MSG_ERROR([cannot enable servers, no backends were configured])])
514 AS_IF([test x$enable_server = xmaybe], [enable_server=yes])
517 AC_MSG_CHECKING([whether to build Lustre server support])
518 AC_MSG_RESULT([$enable_server])
519 AS_IF([test x$enable_server = xyes], [
520 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
521 AC_SUBST(ENABLE_SERVER, yes)
523 AC_SUBST(ENABLE_SERVER, no)
525 ]) # LB_CONFIG_SERVERS
528 # LB_CONFIG_RPMBUILD_OPTIONS
530 # The purpose of this function is to assemble command line options
531 # for the rpmbuild command based on the options passed to the configure
532 # script, and also upon the decisions that configure makes based on
533 # the tests that it runs.
534 # These strings can be passed to rpmbuild on the command line
535 # in the Make targets named "rpms" and "srpm".
537 AC_DEFUN([LB_CONFIG_RPMBUILD_OPTIONS], [
540 eval set -- $ac_configure_args
544 -C | --cache-file=* ) ;;
545 --prefix=* | --*-prefix=* ) ;;
547 --with-kmp-moddir=* ) ;;
548 --with-linux=* | --with-linux-obj=* ) ;;
549 --enable-shared | --disable-shared ) ;;
550 --enable-static | --disable-static ) ;;
551 --enable-ldiskfs | --disable-ldiskfs ) ;;
552 --enable-modules | --disable-modules ) ;;
553 --enable-server | --disable-server ) ;;
554 --enable-tests | --disable-tests ) ;;
555 --enable-utils | --disable-utils ) ;;
556 --enable-iokit | --disable-iokit ) ;;
557 --enable-manpages | --disable-manpages ) ;;
558 * ) CONFIGURE_ARGS="$CONFIGURE_ARGS '$arg'" ;;
561 if test -n "$CONFIGURE_ARGS" ; then
562 RPMBINARGS="$RPMBINARGS --define \"configure_args $CONFIGURE_ARGS\""
564 if test -n "$LINUX" ; then
565 RPMBINARGS="$RPMBINARGS --define \"kdir $LINUX\""
566 if test -n "$LINUX_OBJ" -a "$LINUX_OBJ" != x"$LINUX" ; then
567 RPMBINARGS="$RPMBINARGS --define \"kobjdir $LINUX_OBJ\""
570 if test x$enable_modules != xyes ; then
571 RPMBINARGS="$RPMBINARGS --without lustre_modules"
573 if test x$enable_tests != xyes ; then
574 RPMBINARGS="$RPMBINARGS --without lustre_tests"
576 if test x$enable_lutf != xyes ; then
577 RPMBINARGS="$RPMBINARGS --without lustre_tests_lutf"
579 if test x$enable_utils != xyes ; then
580 RPMBINARGS="$RPMBINARGS --without lustre_utils"
582 if test x$enable_server != xyes ; then
583 RPMBINARGS="$RPMBINARGS --without servers"
585 if test x$enable_ldiskfs != xyes ; then
586 RPMBINARGS="$RPMBINARGS --without ldiskfs"
588 if test x$enable_zfs = xyes ; then
589 RPMBINARGS="$RPMBINARGS --with zfs"
591 if test x$enable_gss_keyring = xyes ; then
592 RPMBINARGS="$RPMBINARGS --with gss_keyring --with gss"
594 if test x$enable_gss = xyes ; then
595 RPMBINARGS="$RPMBINARGS --with gss"
596 AC_SUBST(ENABLE_GSS, yes)
597 elif test x$enable_gss = xno ; then
598 RPMBINARGS="$RPMBINARGS --without gss"
599 AC_SUBST(ENABLE_GSS, no)
601 if test x$enable_crypto = xyes ; then
602 RPMBINARGS="$RPMBINARGS --with crypto"
603 AC_SUBST(ENABLE_CRYPTO, yes)
604 elif test x$enable_crypto = xno ; then
605 RPMBINARGS="$RPMBINARGS --without crypto"
606 AC_SUBST(ENABLE_CRYPTO, no)
608 if test x$enable_iokit != xyes ; then
609 RPMBINARGS="$RPMBINARGS --without lustre_iokit"
611 if test x$enable_snmp != xyes ; then
612 RPMBINARGS="$RPMBINARGS --without snmp"
614 if test x$enable_manpages != xyes ; then
615 RPMBINARGS="$RPMBINARGS --without manpages"
617 if test x$enable_shared != xyes ; then
618 RPMBINARGS="$RPMBINARGS --without shared"
620 if test x$enable_static != xyes ; then
621 RPMBINARGS="$RPMBINARGS --without static"
623 if test x$enable_mpitests != xyes ; then
624 RPMBINARGS="$RPMBINARGS --without mpi"
627 RPMBUILD_BINARY_ARGS=$RPMBINARGS
629 AC_SUBST(RPMBUILD_BINARY_ARGS)
630 ]) # LB_CONFIG_RPMBUILD_OPTIONS
633 # LB_CONFIG_CACHE_OPTIONS
635 # Propagate config cache option
637 AC_DEFUN([LB_CONFIG_CACHE_OPTIONS], [
639 if test -f "$cache_file"; then
640 CONFIG_CACHE_FILE=$(readlink --canonicalize "$cache_file")
642 AC_SUBST(CONFIG_CACHE_FILE)
643 ]) # LB_CONFIG_CACHE_OPTIONS
648 # main configure steps
650 AC_DEFUN([LB_CONFIGURE], [
651 AC_MSG_NOTICE([Lustre base checks
652 ==============================================================================])
657 LB_DOWNSTREAM_RELEASE
665 LB_CC_NO_FORMAT_TRUNCATION
666 LB_CC_NO_STRINGOP_TRUNCATION
667 LB_CC_NO_STRINGOP_OVERFLOW
679 LC_GLIBC_SUPPORT_COPY_FILE_RANGE
681 # Tests depends from utils (multiop from liblustreapi)
682 AS_IF([test "x$enable_utils" = xno], [enable_tests="no"])
684 AS_IF([test "x$enable_utils" = xyes], [
687 LC_FID2PATH_ANON_UNION
690 AS_IF([test "x$enable_tests" = xyes], [
692 LC_GLIBC_SUPPORT_FHANDLES
702 LB_DEFINE_E2FSPROGS_NAMES
707 AS_IF([test -n "$SNMP_DIST_SUBDIR"], [LS_CONFIGURE])
716 AS_IF([test -n "$SNMP_DIST_SUBDIR"], [LS_CONFIG_FILES])
718 AC_SUBST(ac_configure_args)
720 MOSTLYCLEANFILES='.*.cmd .*.flags *.o *.ko *.mod.c .depend .*.1.* Modules.symvers Module.symvers'
721 AC_SUBST(MOSTLYCLEANFILES)
723 LB_CONFIG_RPMBUILD_OPTIONS
724 LB_CONFIG_CACHE_OPTIONS
726 AS_IF([test -d $TEST_DIR], [
727 AC_MSG_NOTICE([remove temporary parallel configure dir $TEST_DIR])
739 EXTRA_KCFLAGS: $EXTRA_KCFLAGS
741 Type 'make' to build Lustre.