2 AC_CONFIG_SRCDIR([version.h])
4 AC_CONFIG_AUX_DIR(config)
5 AC_CONFIG_HEADERS([lib/config.h])
6 AH_BOTTOM([#include <dirpaths.h>])
7 AC_USE_SYSTEM_EXTENSIONS
12 dnl This is to figure out the version number and the date....
14 E2FSPROGS_VERSION=`grep E2FSPROGS_VERSION ${srcdir}/version.h \
15 | awk '{print $3}' | tr \" " " | awk '{print $1}'`
16 E2FSPROGS_DATE=`grep E2FSPROGS_DATE ${srcdir}/version.h | awk '{print $3}' \
17 | tr \" " " | awk '{print $1}'`
18 E2FSPROGS_DAY=$(echo $E2FSPROGS_DATE | awk -F- '{print $1}' | sed -e '/^[[1-9]]$/s/^/0/')
19 MONTH=`echo $E2FSPROGS_DATE | awk -F- '{print $2}'`
20 YEAR=`echo $E2FSPROGS_DATE | awk -F- '{print $3}'`
22 if expr $YEAR ">" 1900 > /dev/null ; then
24 elif expr $YEAR ">" 90 >/dev/null ; then
25 E2FSPROGS_YEAR=19$YEAR
27 E2FSPROGS_YEAR=20$YEAR
31 Jan) MONTH_NUM=01; E2FSPROGS_MONTH="January" ;;
32 Feb) MONTH_NUM=02; E2FSPROGS_MONTH="February" ;;
33 Mar) MONTH_NUM=03; E2FSPROGS_MONTH="March" ;;
34 Apr) MONTH_NUM=04; E2FSPROGS_MONTH="April" ;;
35 May) MONTH_NUM=05; E2FSPROGS_MONTH="May" ;;
36 Jun) MONTH_NUM=06; E2FSPROGS_MONTH="June" ;;
37 Jul) MONTH_NUM=07; E2FSPROGS_MONTH="July" ;;
38 Aug) MONTH_NUM=08; E2FSPROGS_MONTH="August" ;;
39 Sep) MONTH_NUM=09; E2FSPROGS_MONTH="September" ;;
40 Oct) MONTH_NUM=10; E2FSPROGS_MONTH="October" ;;
41 Nov) MONTH_NUM=11; E2FSPROGS_MONTH="November" ;;
42 Dec) MONTH_NUM=12; E2FSPROGS_MONTH="December" ;;
43 *) AC_MSG_WARN([Unknown month $MONTH??]) ;;
46 base_ver=`echo $E2FSPROGS_VERSION | \
47 sed -e 's/-WIP//' -e 's/pre-//' -e 's/-PLUS//'`
49 date_spec=${E2FSPROGS_YEAR}.${MONTH_NUM}.${E2FSPROGS_DAY}
51 case $E2FSPROGS_VERSION in
53 E2FSPROGS_PKGVER="$base_ver~WIP.$date_spec"
56 E2FSPROGS_PKGVER="$base_ver"
60 unset DATE MONTH YEAR base_ver pre_vers date_spec
61 AC_MSG_RESULT([Generating configuration file for e2fsprogs version $E2FSPROGS_VERSION])
62 AC_MSG_RESULT([Release date is ${E2FSPROGS_MONTH}, ${E2FSPROGS_YEAR}])
63 AC_SUBST(E2FSPROGS_YEAR)
64 AC_SUBST(E2FSPROGS_MONTH)
65 AC_SUBST(E2FSPROGS_DAY)
66 AC_SUBST(E2FSPROGS_VERSION)
67 AC_SUBST(E2FSPROGS_PKGVER)
68 AC_SUBST(E2FSPROGS_DATE)
73 AC_ARG_WITH([diet-libc],
74 AS_HELP_STRING([--with-diet-libc],[use diet libc]),
75 CC="diet cc -nostdinc"
83 AC_MSG_RESULT(CC=$CC))dnl
87 dnl Check to see if libdl exists for the sake of dlopen
90 AC_CHECK_LIB(dl, dlopen,DLOPEN_LIB=-ldl)
94 AS_HELP_STRING([--with-cc],[no longer supported, use CC= instead]),
95 AC_MSG_ERROR([--with-cc no longer supported; use CC= instead]))
98 AS_HELP_STRING([--with-ccopts],[no longer supported, use CFLAGS= instead]),
99 AC_MSG_ERROR([--with-ccopts no longer supported; use CFLAGS= instead]))
101 AC_ARG_WITH([ldopts],
102 AS_HELP_STRING([--with-ldopts],[no longer supported, use LDFLAGS= instead]),
103 AC_MSG_ERROR([--with-ldopts no longer supported; use LDFLAGS= instead]))
106 if test "$GCC" = yes; then
112 dnl Alpha computers use fast and imprecise floating point code that may
113 dnl miss exceptions by default. Force sane options if we're using GCC.
114 AC_MSG_CHECKING(for additional special compiler flags)
118 alpha) addcflags="-mieee" ;;
121 if test "x$addcflags" != x
123 AC_MSG_RESULT($addcflags)
124 CFLAGS="$addcflags $CFLAGS"
126 AC_MSG_RESULT([[(none)]])
129 dnl Set default values for library extensions. Will be dealt with after
130 dnl parsing configuration options, which may modify these
136 dnl Allow separate `root_prefix' to be specified
138 AC_ARG_WITH([root-prefix],
139 AS_HELP_STRING([--with-root-prefix=PREFIX],[override prefix variable for files to be placed in the root]),
140 root_prefix=$withval,
143 dnl handle --enable-maintainer-mode
145 AC_ARG_ENABLE([maintainer-mode],
146 AS_HELP_STRING([--enable-maintainer-mode],[enable makefile rules useful for maintainers]),
147 if test "$enableval" = "no"
150 AC_MSG_RESULT([Disabling maintainer mode])
153 AC_MSG_RESULT([Enabling maintainer mode])
157 AC_MSG_RESULT([Disabling maintainer mode by default])
159 AC_SUBST(MAINTAINER_CMT)
161 dnl handle --enable-symlink-install
163 AC_ARG_ENABLE([symlink-install],
164 AS_HELP_STRING([--enable-symlink-install],[use symlinks when installing instead of hard links]),
165 if test "$enableval" = "no"
167 LINK_INSTALL_FLAGS=-f
168 AC_MSG_RESULT([Disabling symlinks for install])
170 LINK_INSTALL_FLAGS=-sf
171 AC_MSG_RESULT([Enabling symlinks for install])
174 LINK_INSTALL_FLAGS=-f
175 AC_MSG_RESULT([Disabling symlinks for install by default])
177 AC_SUBST(LINK_INSTALL_FLAGS)
179 dnl handle --enable-relative-symlinks
181 relative_symlink_defined=
182 AC_ARG_ENABLE([relative-symlinks],
183 AS_HELP_STRING([--enable-relative-symlinks],[use relative symlinks when installing]),
184 if test "$enableval" = "no"
187 relative_symlink_defined=yes
188 AC_MSG_RESULT([Disabling relative symlinks for install])
190 SYMLINK_RELATIVE=--relative
191 relative_symlink_defined=yes
192 AC_MSG_RESULT([Enabling relative symlinks for install])
194 AC_ARG_ENABLE([symlink-relative-symlinks],,
195 if test "$enableval" = "no"
198 AC_MSG_RESULT([Disabling relative symlinks for install])
200 SYMLINK_RELATIVE=--relative
201 AC_MSG_RESULT([Enabling relative symlinks for install])
204 if test -z "$relative_symlink_defined"
207 AC_MSG_RESULT([Disabling relative symlinks for install by default])
210 AC_SUBST(SYMLINK_RELATIVE)
212 dnl handle --enable-symlink-build
214 AC_ARG_ENABLE([symlink-build],
215 AS_HELP_STRING([--enable-symlink-build],[use symlinks while building instead of hard links]),
216 if test "$enableval" = "no"
219 AC_MSG_RESULT([Disabling symlinks for build])
222 AC_MSG_RESULT([Enabling symlinks for build])
226 AC_MSG_RESULT([Disabling symlinks for build by default])
228 AC_SUBST(LINK_BUILD_FLAGS)
230 dnl handle --enable-verbose-makecmds
232 AC_ARG_ENABLE([verbose-makecmds],
233 AS_HELP_STRING([--enable-verbose-makecmds],[enable verbose make command output]),
234 if test "$enableval" = "no"
236 AC_MSG_RESULT([Disabling verbose make commands])
241 AC_MSG_RESULT([Enabling verbose make commands])
247 AC_MSG_RESULT([Disabling verbose make commands])
256 dnl This needs to be before all of the --enable-*-shlibs options
258 E2_PKG_CONFIG_STATIC=--static
262 dnl handle --enable-elf-shlibs
264 AC_ARG_ENABLE([elf-shlibs],
265 AS_HELP_STRING([--enable-elf-shlibs],[select ELF shared libraries]),
266 if test "$enableval" = "no"
269 MAKEFILE_ELF=/dev/null
270 AC_MSG_RESULT([Disabling ELF shared libraries])
272 E2_PKG_CONFIG_STATIC=
274 MAKEFILE_ELF=$srcdir/lib/Makefile.elf-lib
277 MAKEFILE_ELF=$srcdir/lib/Makefile.solaris-lib
283 LDFLAG_DYNAMIC=['-Wl,-rpath-link,$(top_builddir)/lib']
284 AC_MSG_RESULT([Enabling ELF shared libraries])
287 MAKEFILE_ELF=/dev/null
289 AC_MSG_RESULT([Disabling ELF shared libraries by default])
292 AC_SUBST_FILE(MAKEFILE_ELF)
294 dnl handle --enable-bsd-shlibs
296 AC_ARG_ENABLE([bsd-shlibs],
297 AS_HELP_STRING([--enable-bsd-shlibs],[select BSD shared libraries]),
298 if test "$enableval" = "no"
301 MAKEFILE_BSDLIB=/dev/null
302 AC_MSG_RESULT([Disabling BSD shared libraries])
304 E2_PKG_CONFIG_STATIC=
306 MAKEFILE_BSDLIB=$srcdir/lib/Makefile.bsd-lib
310 MAKEFILE_BSDLIB=$srcdir/lib/Makefile.darwin-lib
314 AC_MSG_RESULT([Enabling BSD shared libraries])
317 MAKEFILE_BSDLIB=/dev/null
319 AC_MSG_RESULT([Disabling BSD shared libraries by default])
322 AC_SUBST_FILE(MAKEFILE_BSDLIB)
324 dnl handle --enable-profile
326 AC_ARG_ENABLE([profile],
327 AS_HELP_STRING([--enable-profile],[build profiling libraries]),
328 if test "$enableval" = "no"
331 MAKEFILE_PROFILE=/dev/null
332 AC_MSG_RESULT([Disabling profiling libraries])
335 MAKEFILE_PROFILE=$srcdir/lib/Makefile.profile
336 PROFILED_LIB_EXT=_p.a
337 AC_MSG_RESULT([Building profiling libraries])
341 MAKEFILE_PROFILE=/dev/null
342 AC_MSG_RESULT([Disabling profiling libraries by default])
344 AC_SUBST(PROFILE_CMT)
345 AC_SUBST_FILE(MAKEFILE_PROFILE)
347 dnl handle --enable-gcov
349 AC_ARG_ENABLE([gcov],
350 AS_HELP_STRING([--enable-gcov],[build for coverage testing using gcov]),
351 if test "$enableval" = "yes"
353 CFLAGS="-g -fprofile-arcs -ftest-coverage"
354 LDFLAGS="-fprofile-arcs -ftest-coverage"
355 AC_MSG_RESULT([Enabling gcov support])
359 dnl handle --enable-hardening
361 CFLAGS_SHLIB="${CFLAGS_SHLIB:-$CFLAGS}"
362 CFLAGS_STLIB="${CFLAGS_STLIB:-$CFLAGS}"
363 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
364 LDFLAGS_STATIC=${LDFLAGS_STATIC:-$LDFLAGS}
365 AC_ARG_ENABLE([hardening],
366 AS_HELP_STRING([--enable-hardening],[build for coverage testing using gcov]),
367 if test "$enableval" = "yes"
369 HARDEN_CFLAGS="-D_FORTIFY_SOURCE=2 -fstack-protector-strong"
370 HARDEN_LDFLAGS=["-Wl,-z,relro -Wl,-z,now"]
371 CFLAGS="$CFLAGS $HARDEN_CFLAGS -fPIE"
372 CFLAGS_SHLIB="$CFLAGS_SHLIB $HARDEN_CFLAGS"
373 CFLAGS_STLIB="$CFLAGS_STLIB $HARDEN_CFLAGS -fPIE"
374 LDFLAGS="$LDFLAGS $HARDEN_LDFLAGS -fPIE -pie"
375 LDFLAGS_STATIC="$LDFLAGS_STATIC $HARDEN_LDFLAGS"
376 LDFLAGS_SHLIB="$LDFLAGS_SHLIB $HARDEN_LDFLAGS"
377 AC_MSG_RESULT([Enabling hardening support])
381 dnl Substitute library extensions
384 AC_SUBST(STATIC_LIB_EXT)
385 AC_SUBST(PROFILED_LIB_EXT)
386 AC_SUBST(LDFLAG_DYNAMIC)
387 AC_SUBST(PRIVATE_LIBS_CMT)
389 dnl handle --enable-jbd-debug
391 AC_ARG_ENABLE([jbd-debug],
392 AS_HELP_STRING([--enable-jbd-debug],[enable journal debugging]),
393 if test "$enableval" = "no"
395 AC_MSG_RESULT([Disabling journal debugging])
397 AC_DEFINE(CONFIG_JBD_DEBUG, 1,
398 [Define to 1 if debugging ext3/4 journal code])
399 AC_MSG_RESULT([Enabling journal debugging])
402 AC_MSG_RESULT([Disabling journal debugging by default])
405 dnl handle --enable-blkid-debug
407 AC_ARG_ENABLE([blkid-debug],
408 AS_HELP_STRING([--enable-blkid-debug],[enable blkid debugging]),
409 if test "$enableval" = "no"
411 AC_MSG_RESULT([Disabling blkid debugging])
413 AC_DEFINE(CONFIG_BLKID_DEBUG, 1,
414 [Define to 1 if debugging the blkid library])
415 AC_MSG_RESULT([Enabling blkid debugging])
418 AC_MSG_RESULT([Disabling blkid debugging by default])
421 dnl handle --enable-testio-debug
423 AC_ARG_ENABLE([testio-debug],
424 AS_HELP_STRING([--disable-testio-debug],[disable the use of the test I/O manager for debugging]),
425 AH_TEMPLATE([CONFIG_TESTIO_DEBUG],
426 [Define to 1 if the testio I/O manager should be enabled])
427 if test "$enableval" = "no"
429 AC_MSG_RESULT([Disabling testio debugging])
433 AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
434 AC_MSG_RESULT([Enabling testio debugging])
437 AC_MSG_RESULT([Enabling testio debugging by default])
438 AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
441 AC_SUBST(TEST_IO_CMT)
443 dnl handle --enable-developer-features
445 AC_ARG_ENABLE([developer-features],
446 AS_HELP_STRING([--enable-developer-features],[enable features for use by ext4 developers]),
447 AH_TEMPLATE([CONFIG_DEVELOPER_FEATURES],
448 [Define to 1 for features for use by ext4 developers])
449 if test "$enableval" = "yes"
452 AC_DEFINE(CONFIG_DEVELOPER_FEATURES, 1)
453 AC_MSG_RESULT([Enabling ext4 developer features])
455 AC_MSG_RESULT([Disabling ext4 developer features])
459 AC_MSG_RESULT([Disabling ext4 developer features by default])
462 AC_SUBST(DEV_FEATURES_CMT)
464 dnl handle --disable-libuuid
474 AC_ARG_ENABLE([libuuid],
475 AS_HELP_STRING([--enable-libuuid],[build and use private uuid library]),
476 if test "$enableval" = "no"
478 if test -z "$PKG_CONFIG"; then
479 AC_MSG_ERROR([pkg-config not installed; please install it.])
482 AC_CHECK_LIB(uuid, uuid_generate,
483 [LIBUUID=`$PKG_CONFIG --libs uuid`;
484 STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`],
485 [AC_MSG_ERROR([external uuid library not found])])
486 PROFILED_LIBUUID=$LIBUUID
488 AC_MSG_RESULT([Disabling private uuid library])
490 LIBUUID='$(LIB)/libuuid'$LIB_EXT
492 STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
493 DEPSTATIC_LIBUUID=$STATIC_LIBUUID
494 PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
495 DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
496 AC_MSG_RESULT([Enabling private uuid library])
499 if test -n "$PKG_CONFIG"; then
500 AC_CHECK_LIB(uuid, uuid_generate,
501 [LIBUUID=`$PKG_CONFIG --libs uuid`;
502 STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`])
504 if test -n "$LIBUUID"; then
505 PROFILED_LIBUUID=$LIBUUID
507 AC_MSG_RESULT([Using system uuid by default])
509 LIBUUID='$(LIB)/libuuid'$LIB_EXT
511 STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
512 DEPSTATIC_LIBUUID=$STATIC_LIBUUID
513 PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
514 DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
515 AC_MSG_RESULT([Enabling private uuid library by default])
520 AC_SUBST(STATIC_LIBUUID)
521 AC_SUBST(DEPSTATIC_LIBUUID)
522 AC_SUBST(PROFILED_LIBUUID)
523 AC_SUBST(DEPPROFILED_LIBUUID)
526 dnl handle --disable-libblkid
534 DEPPROFILED_LIBBLKID=
536 AH_TEMPLATE([CONFIG_BUILD_FINDFS], [Define to 1 to compile findfs])
537 AC_ARG_ENABLE([libblkid],
538 AS_HELP_STRING([--enable-libblkid],[build and use private blkid library]),
539 if test "$enableval" = "no"
541 if test -z "$PKG_CONFIG"; then
542 AC_MSG_ERROR([pkg-config not installed; please install it.])
545 AC_CHECK_LIB(blkid, blkid_get_cache,
546 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
547 STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`],
548 [AC_MSG_ERROR([external blkid library not found])], -luuid)
550 PROFILED_LIBBLKID=$LIBBLKID
551 AC_MSG_RESULT([Disabling private blkid library])
553 LIBBLKID='$(LIB)/libblkid'$LIB_EXT
554 DEPLIBBLKID=$LIBBLKID
555 STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
556 DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
557 PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
558 DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
559 AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
560 AC_MSG_RESULT([Enabling private blkid library])
563 if test -n "$PKG_CONFIG"; then
564 AC_CHECK_LIB(blkid, blkid_get_cache,
565 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
566 STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`])
568 if test -n "$LIBBLKID"; then
570 PROFILED_LIBBLKID=$LIBBLKID
571 AC_MSG_RESULT([Using system blkid library by default])
573 LIBBLKID='$(LIB)/libblkid'$LIB_EXT
574 DEPLIBBLKID=$LIBBLKID
575 STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
576 DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
577 PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
578 DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
579 AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
580 AC_MSG_RESULT([Enabling private blkid library by default])
584 AC_SUBST(DEPLIBBLKID)
585 AC_SUBST(STATIC_LIBBLKID)
586 AC_SUBST(DEPSTATIC_LIBBLKID)
587 AC_SUBST(PROFILED_LIBBLKID)
588 AC_SUBST(DEPPROFILED_LIBBLKID)
591 dnl handle --enable-subset
595 AC_ARG_ENABLE([subset],
596 AS_HELP_STRING([--enable-subset],[enable subset-only build]),
597 if test "$enableval" = "no"
600 AC_MSG_RESULT([Disabling subset-only build])
603 AC_MSG_RESULT([Enabling subset-only-build])
609 dnl handle --disable-backtrace
611 AH_TEMPLATE([DISABLE_BACKTRACE], [Define to 1 to disable use of backtrace])
612 AC_ARG_ENABLE([backtrace],
613 AS_HELP_STRING([--disable-backtrace],[disable use backtrace]),
614 if test "$enableval" = "no"
616 AC_MSG_RESULT([Disabling use of backtrace])
617 AC_DEFINE(DISABLE_BACKTRACE, 1)
619 AC_MSG_RESULT([Enabling use of backtrace])
622 AC_MSG_RESULT([Enabling use of backtrace by default])
625 dnl handle --enable-debugfs
627 AC_ARG_ENABLE([debugfs],
628 AS_HELP_STRING([--disable-debugfs],[disable support of debugfs program]),
629 if test "$enableval" = "no"
631 AC_MSG_RESULT([Disabling debugfs support])
635 AC_MSG_RESULT([Enabling debugfs support])
638 AC_MSG_RESULT([Enabling debugfs support by default])
641 AC_SUBST(DEBUGFS_CMT)
643 dnl handle --enable-imager
645 AC_ARG_ENABLE([imager],
646 AS_HELP_STRING([--disable-imager],[disable support of e2image program]),
647 if test "$enableval" = "no"
649 AC_MSG_RESULT([Disabling e2image support])
653 AC_MSG_RESULT([Enabling e2image support])
656 AC_MSG_RESULT([Enabling e2image support by default])
661 dnl handle --enable-resizer
663 AC_ARG_ENABLE([resizer],
664 AS_HELP_STRING([--disable-resizer],[disable support of e2resize program]),
665 if test "$enableval" = "no"
667 AC_MSG_RESULT([Disabling e2resize support])
671 AC_MSG_RESULT([Enabling e2resize support])
674 AC_MSG_RESULT([Enabling e2resize support by default])
677 AC_SUBST(RESIZER_CMT)
679 dnl handle --enable-defrag
681 AC_ARG_ENABLE([defrag],
682 AS_HELP_STRING([--disable-defrag],[disable support of e4defrag program]),
683 if test "$enableval" = "no"
685 AC_MSG_RESULT([Disabling e4defrag support])
689 AC_MSG_RESULT([Enabling e4defrag support])
692 if test -z "$WITH_DIET_LIBC"
694 AC_MSG_RESULT([Enabling e4defrag support by default])
697 AC_MSG_RESULT([Disabling e4defrag support by default])
703 dnl See whether to install the `fsck' wrapper program (that calls e2fsck)
705 AC_ARG_ENABLE([fsck],
706 AS_HELP_STRING([--enable-fsck],[build fsck wrapper program]),
707 [if test "$enableval" = "no"
709 FSCK_PROG='' FSCK_MAN=''
710 AC_MSG_RESULT([Not building fsck wrapper])
712 FSCK_PROG=fsck FSCK_MAN=fsck.8
713 AC_MSG_RESULT([Building fsck wrapper])
718 FSCK_PROG='' FSCK_MAN=''
719 AC_MSG_RESULT([Not building fsck wrapper by default])
722 FSCK_PROG=fsck FSCK_MAN=fsck.8
723 AC_MSG_RESULT([Building fsck wrapper by default])
729 dnl See whether to install the `e2initrd-helper' program
731 AC_ARG_ENABLE([e2initrd-helper],
732 AS_HELP_STRING([--enable-e2initrd-helper],[build e2initrd-helper program]),
733 [if test "$enableval" = "no"
735 E2INITRD_PROG='' E2INITRD_MAN=''
736 AC_MSG_RESULT([Not building e2initrd helper])
738 E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
739 AC_MSG_RESULT([Building e2initrd helper])
742 E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
743 AC_MSG_RESULT([Building e2initrd helper by default])
745 AC_SUBST(E2INITRD_PROG)
746 AC_SUBST(E2INITRD_MAN)
751 AS_HELP_STRING([--disable-tls],[disable use of thread local support]),
752 [if test "$enableval" = "no"
755 AC_MSG_RESULT([Disabling thread local support])
758 AC_MSG_RESULT([Enabling thread local support])
761 if test -n "$WITH_DIET_LIBC"
764 AC_MSG_RESULT([Diet libc does not support thread local support])
767 AC_MSG_RESULT([Try using thread local support by default])
770 if test "$try_tls" = "yes"
777 AC_ARG_WITH([pthread],
778 AS_HELP_STRING([--without-pthread],[disable use of pthread support]),
779 [if test "$withval" = "no"
782 AC_MSG_RESULT([Disabling pthread support])
785 AC_MSG_RESULT([Testing for pthread support])
789 AC_MSG_RESULT([Try testing for pthread support by default])
791 if test "$try_pthread" = "yes"
795 test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
796 AC_SUBST([PTHREAD_CC])
801 AH_TEMPLATE([USE_UUIDD], [Define to 1 to build uuidd])
802 AC_ARG_ENABLE([uuidd],
803 AS_HELP_STRING([--disable-uuidd],[disable building the uuid daemon]),
804 [if test "$enableval" = "no"
806 AC_MSG_RESULT([Not building uuidd])
809 AC_DEFINE(USE_UUIDD, 1)
811 AC_MSG_RESULT([Building uuidd])
814 AC_DEFINE(USE_UUIDD, 1)
815 if test -z "$UUID_CMT"
818 AC_MSG_RESULT([Building uuidd by default])
821 AC_MSG_RESULT([Disabling uuidd by default])
826 dnl handle --disable-mmp
828 AH_TEMPLATE([CONFIG_MMP], [Define to 1 to enable mmp support])
830 AS_HELP_STRING([--disable-mmp],[disable support mmp, Multi Mount Protection]),
831 if test "$enableval" = "no"
833 AC_MSG_RESULT([Disabling mmp support])
835 AC_MSG_RESULT([Enabling mmp support])
836 AC_DEFINE(CONFIG_MMP, 1)
839 AC_MSG_RESULT([Enabling mmp support by default])
840 AC_DEFINE(CONFIG_MMP, 1)
843 dnl handle --disable-tdb
845 AH_TEMPLATE([CONFIG_TDB], [Define to 1 to enable tdb support])
847 AS_HELP_STRING([--disable-tdb],[disable tdb support]),
849 if test "$enableval" = "no"
851 AC_MSG_RESULT([Disabling tdb support])
854 AC_MSG_RESULT([Enabling tdb support])
862 AC_MSG_RESULT([Disabling tdb support by default])
866 AC_MSG_RESULT([Enabling tdb support by default])
872 if test "$CONFIG_TDB" = "1"
874 AC_DEFINE(CONFIG_TDB, 1)
879 TDB_MAN_COMMENT='.\"'
882 AC_SUBST(TDB_MAN_COMMENT)
884 dnl handle --disable-bmap-stats
886 AH_TEMPLATE([ENABLE_BMAP_STATS], [Define to 1 to enable bitmap stats.])
887 AC_ARG_ENABLE([bmap-stats],
888 AS_HELP_STRING([--disable-bmap-stats],[disable collection of bitmap stats]),
889 if test "$enableval" = "no"
891 AC_MSG_RESULT([Disabling bitmap statistics support])
893 AC_MSG_RESULT([Enabling bitmap statistics support])
894 AC_DEFINE(ENABLE_BMAP_STATS, 1)
897 AC_MSG_RESULT([Enabling bitmap statistics support by default])
898 AC_DEFINE(ENABLE_BMAP_STATS, 1)
901 dnl handle --enable-bmap-stats-ops
903 AH_TEMPLATE([ENABLE_BMAP_STATS_OPS], [Define to 1 to enable bitmap stats.])
904 AC_ARG_ENABLE([bmap-stats-ops],
905 AS_HELP_STRING([--enable-bmap-stats-ops],[enable collection of additional bitmap stats]),
906 if test "$enableval" = "no"
908 AC_MSG_RESULT([Disabling additional bitmap statistics])
910 dnl There has to be a better way!
911 AS_IF([test "x${enable_bmap_stats}" = "xno"],
912 AC_MSG_FAILURE([Error --enable-bmap-stats-ops requires bmap-stats]))
914 AC_MSG_RESULT([Enabling additional bitmap statistics])
915 AC_DEFINE(ENABLE_BMAP_STATS_OPS, 1)
918 AC_MSG_RESULT([Disabling additional bitmap statistics by default])
923 MAKEFILE_LIBRARY=$srcdir/lib/Makefile.library
924 AC_SUBST_FILE(MAKEFILE_LIBRARY)
926 dnl Add internationalization support, using gettext.
928 GETTEXT_PACKAGE=e2fsprogs
930 VERSION="$E2FSPROGS_VERSION"
932 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [package name for gettext])
933 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [version for gettext])
934 AC_SUBST(GETTEXT_PACKAGE)
938 AM_GNU_GETTEXT([external])
940 dnl End of configuration options
942 AC_SUBST(BINARY_TYPE)
945 AC_PATH_PROG(LN, ln, ln)
948 dnl @mkdir_p@ is used by po's Makefile.in
953 AC_PATH_PROG(MV, mv, mv)
954 AC_PATH_PROG(CP, cp, cp)
955 AC_PATH_PROG(RM, rm, rm)
956 AC_PATH_PROG(CHMOD, chmod, :)
959 AC_PATH_PROG(SED, sed, sed)
960 AC_PATH_PROG(PERL, perl, perl)
961 AC_PATH_PROG(LDCONFIG, ldconfig, :)
962 AC_CHECK_TOOL(AR, ar, ar)
963 AC_CHECK_TOOL(RANLIB, ranlib, :)
964 AC_CHECK_TOOL(STRIP, strip, :)
965 AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
966 if test "_$MAKEINFO" = "_"; then
967 MAKEINFO="echo Makeinfo is missing. Info documentation will not be built."
972 *** Makeinfo is missing. Info documentation will not be built.])
980 # See if we need a separate native compiler.
981 if test $cross_compiling = no; then
985 AC_CHECK_PROGS(BUILD_CC, gcc cc)
987 AC_CHECK_HEADERS(m4_flatten([
1041 # The above checks only detect system headers, not the headers in
1042 # ./include/mingw/, so explicitly define them to be available.
1043 AC_DEFINE(HAVE_LINUX_TYPES_H, 1)
1044 AC_DEFINE(HAVE_SYS_STAT_H, 1)
1045 AC_DEFINE(HAVE_SYS_SYSMACROS_H, 1)
1046 AC_DEFINE(HAVE_SYS_TYPES_H, 1)
1047 AC_DEFINE(HAVE_UNISTD_H, 1)
1050 dnl Check where to find a dd(1) that supports iflag=fullblock
1051 dnl and oflag=append
1052 AC_MSG_CHECKING([for a dd(1) program that supports iflag=fullblock])
1054 for i in dd gdd ; do
1055 if "$i" if=/dev/null of=/dev/null count=1 bs=10k 2>/dev/null iflag=fullblock oflag=append ; then
1060 if test -n "$DD" ; then
1061 AC_MSG_RESULT([$DD])
1063 AC_MSG_RESULT([not found, using dd])
1065 AC_MSG_WARN([No GNU-compatible dd(1) program found, expect some self-test failures.])
1069 AC_CHECK_HEADERS(net/if.h,,,
1071 #if HAVE_SYS_TYPES_H
1072 #include <sys/types.h>
1075 #include <sys/socket.h>
1079 dnl Check to see if dirent has member d_reclen. On cygwin those d_reclen
1080 dnl is not declared.
1081 AC_CHECK_MEMBER(struct dirent.d_reclen,[AC_DEFINE(HAVE_RECLEN_DIRENT, 1,
1082 [Define to 1 if dirent has d_reclen])],,
1083 [#include <dirent.h>])
1084 AC_CHECK_MEMBERS([struct stat.st_atim])
1085 dnl Check to see if ssize_t was declared
1086 AC_CHECK_TYPE(ssize_t,[AC_DEFINE(HAVE_TYPE_SSIZE_T, 1,
1087 [Define to 1 if ssize_t declared])],,
1088 [#include <sys/types.h>])
1090 dnl Check to see if llseek() is declared in unistd.h. On some libc's
1091 dnl it is, and on others it isn't..... Thank you glibc developers....
1093 AC_CHECK_DECL(llseek,[AC_DEFINE(HAVE_LLSEEK_PROTOTYPE, 1,
1094 [Define to 1 if llseek declared in unistd.h])],,
1095 [#include <unistd.h>])
1097 dnl Check to see if lseek64() is declared in unistd.h. Glibc's header files
1098 dnl are so convoluted that I can't tell whether it will always be defined,
1099 dnl and if it isn't defined while lseek64 is defined in the library,
1100 dnl disaster will strike.
1102 dnl Warning! Use of --enable-gcc-wall may throw off this test.
1105 AC_CHECK_DECL(lseek64,[AC_DEFINE(HAVE_LSEEK64_PROTOTYPE, 1,
1106 [Define to 1 if lseek64 declared in unistd.h])],,
1107 [#define _LARGEFILE_SOURCE
1108 #define _LARGEFILE64_SOURCE
1109 #include <unistd.h>])
1113 AC_CHECK_SIZEOF(short)
1114 AC_CHECK_SIZEOF(int)
1115 AC_CHECK_SIZEOF(long)
1116 AC_CHECK_SIZEOF(long long)
1117 AC_CHECK_SIZEOF(off_t)
1118 AC_CHECK_SIZEOF(time_t)
1119 SIZEOF_SHORT=$ac_cv_sizeof_short
1120 SIZEOF_INT=$ac_cv_sizeof_int
1121 SIZEOF_LONG=$ac_cv_sizeof_long
1122 SIZEOF_LONG_LONG=$ac_cv_sizeof_long_long
1123 SIZEOF_OFF_T=$ac_cv_sizeof_off_t
1124 SIZEOF_TIME_T=$ac_cv_sizeof_time_t
1125 AC_SUBST(SIZEOF_SHORT)
1126 AC_SUBST(SIZEOF_INT)
1127 AC_SUBST(SIZEOF_LONG)
1128 AC_SUBST(SIZEOF_LONG_LONG)
1129 AC_SUBST(SIZEOF_OFF_T)
1130 AC_SUBST(SIZEOF_TIME_T)
1132 if test $cross_compiling = no; then
1133 BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1135 CROSS_COMPILE="1" BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1137 ASM_TYPES_HEADER=./asm_types.h
1138 AC_SUBST_FILE(ASM_TYPES_HEADER)
1140 dnl Save the configuration #defines needed for the public ext2fs.h
1143 echo "/* These defines are needed for the public ext2fs.h header file */" \
1145 if grep HAVE_SYS_TYPES_H confdefs.h > tmp_config.$$; then
1146 uniq tmp_config.$$ >> public_config.h
1148 echo "#undef HAVE_SYS_TYPES_H" >> public_config.h
1150 if grep WORDS_BIGENDIAN confdefs.h > tmp_config.$$; then
1151 uniq tmp_config.$$ >> public_config.h
1153 echo "#undef WORDS_BIGENDIAN" >> public_config.h
1156 PUBLIC_CONFIG_HEADER=./public_config.h
1157 AC_SUBST_FILE(PUBLIC_CONFIG_HEADER)
1159 dnl See if we have inttypes.h and if intptr_t is defined
1161 AC_CHECK_HEADERS([inttypes.h])
1162 AC_CHECK_TYPES(intptr_t)
1164 dnl See if struct stat has a st_flags field, in which case we can get file
1165 dnl flags somewhat portably. Also check for the analogous setter, chflags().
1167 AC_MSG_CHECKING(whether struct stat has a st_flags field)
1168 AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags,
1169 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat stat; stat.st_flags = 0;]])],[e2fsprogs_cv_struct_st_flags=yes],[e2fsprogs_cv_struct_st_flags=no]))
1170 AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags)
1171 if test "$e2fsprogs_cv_struct_st_flags" = yes; then
1172 AC_MSG_CHECKING(whether st_flags field is useful)
1173 AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags_immut,
1174 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat stat; stat.st_flags |= UF_IMMUTABLE;]])],[e2fsprogs_cv_struct_st_flags_immut=yes],[e2fsprogs_cv_struct_st_flags_immut=no]))
1175 AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags_immut)
1176 if test "$e2fsprogs_cv_struct_st_flags_immut" = yes; then
1177 AC_DEFINE(HAVE_STAT_FLAGS, 1,
1178 [Define to 1 if struct stat has st_flags])
1182 dnl Check for the presence of SA_LEN
1184 AC_CHECK_MEMBER(struct sockaddr.sa_len,
1185 AC_DEFINE_UNQUOTED(HAVE_SA_LEN,1,
1186 [Define to 1 if if struct sockaddr contains sa_len]),,
1187 [#include <sys/types.h>
1188 #include <sys/socket.h>])
1190 dnl If we are using the system-provided blkid library, check for
1191 dnl the functions added after migrating that library to util-linux
1193 if test -n "$BLKID_CMT"; then
1194 AC_CHECK_LIB(blkid, blkid_probe_get_topology,
1195 AC_DEFINE(HAVE_BLKID_PROBE_GET_TOPOLOGY, 1,
1196 [Define to 1 if blkid has blkid_probe_get_topology]))
1197 AC_CHECK_LIB(blkid, blkid_topology_get_dax,
1198 AC_DEFINE(HAVE_BLKID_TOPOLOGY_GET_DAX, 1,
1199 [Define to 1 if blkid has blkid_topology_get_dax]))
1200 AC_CHECK_LIB(blkid, blkid_probe_enable_partitions,
1201 AC_DEFINE(HAVE_BLKID_PROBE_ENABLE_PARTITIONS, 1,
1202 [Define to 1 if blkid has blkid_probe_enable_partitions]))
1205 if test -n "$DLOPEN_LIB" ; then
1206 ac_cv_func_dlopen=yes
1208 AC_CHECK_FUNCS(m4_flatten([
1277 dnl Check to see if -lsocket is required (solaris) to make something
1278 dnl that uses socket() to compile; this is needed for the UUID library
1281 AC_CHECK_LIB(socket, socket, [SOCKET_LIB=-lsocket])
1282 AC_SUBST(SOCKET_LIB)
1284 dnl See if libmagic exists
1286 AC_CHECK_LIB(magic, magic_file, [MAGIC_LIB=-lmagic
1287 AC_CHECK_HEADERS([magic.h])])
1288 if test "$ac_cv_func_dlopen" = yes ; then
1289 MAGIC_LIB=$DLOPEN_LIB
1293 dnl Check to see if librt is required for clock_gettime() (glibc < 2.17)
1295 AC_CHECK_LIB(rt, clock_gettime, [CLOCK_GETTIME_LIB=-lrt])
1296 AC_SUBST(CLOCK_GETTIME_LIB)
1298 dnl Check to see if the FUSE library is -lfuse or -losxfuse
1302 dnl osxfuse.dylib supersedes fuselib.dylib
1303 AC_ARG_ENABLE([fuse2fs],
1304 AS_HELP_STRING([--disable-fuse2fs],[do not build fuse2fs]),
1305 if test "$enableval" = "no"
1308 AC_MSG_RESULT([Disabling fuse2fs])
1310 AC_CHECK_HEADERS([pthread.h fuse.h], [],
1311 [AC_MSG_FAILURE([Cannot find fuse2fs headers.])],
1312 [#define _FILE_OFFSET_BITS 64
1313 #define FUSE_USE_VERSION 29])
1316 [AC_LANG_PROGRAM([[#define FUSE_USE_VERSION 29
1318 #include <linux/fs.h>
1319 #include <linux/falloc.h>
1320 #include <linux/xattr.h>
1322 ]], [])], [], [AC_MSG_FAILURE([Cannot find fuse2fs Linux headers.])])
1324 AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1325 [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse],
1326 [AC_MSG_FAILURE([Cannot find fuse library.])])])
1327 AC_MSG_RESULT([Enabling fuse2fs])
1330 AC_CHECK_HEADERS([pthread.h fuse.h], [], [FUSE_CMT="#"],
1331 [#define _FILE_OFFSET_BITS 64
1332 #define FUSE_USE_VERSION 29
1334 # include <linux/fs.h>
1335 # include <linux/falloc.h>
1336 # include <linux/xattr.h>
1338 if test -z "$FUSE_CMT"
1340 AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1341 [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse], [FUSE_CMT="#"])])
1343 if test -z "$FUSE_CMT"
1345 AC_MSG_RESULT([Enabling fuse2fs by default.])
1351 dnl See if optreset exists
1353 AC_MSG_CHECKING(for optreset)
1354 AC_CACHE_VAL(ac_cv_have_optreset,
1355 [AC_EGREP_HEADER(optreset, unistd.h,
1356 ac_cv_have_optreset=yes, ac_cv_have_optreset=no)])dnl
1357 AC_MSG_RESULT($ac_cv_have_optreset)
1358 if test $ac_cv_have_optreset = yes; then
1359 AC_DEFINE(HAVE_OPTRESET, 1, [Define to 1 if optreset for getopt is present])
1362 dnl Test for sem_init, and which library it might require:
1364 AH_TEMPLATE([HAVE_SEM_INIT], [Define to 1 if sem_init() exists])
1366 echo GL_THREADS_API: ${gl_threads_api}
1367 if test "${gl_threads_api}" != none
1369 AC_CHECK_FUNC(sem_init, ,
1370 AC_CHECK_LIB(pthread, sem_init,
1371 AC_DEFINE(HAVE_SEM_INIT, 1)
1372 SEM_INIT_LIB=-lpthread,
1373 AC_CHECK_LIB(rt, sem_init,
1374 AC_DEFINE(HAVE_SEM_INIT, 1)
1376 AC_CHECK_LIB(posix4, sem_init,
1377 AC_DEFINE(HAVE_SEM_INIT, 1)
1378 SEM_INIT_LIB=-lposix4))))dnl
1380 AC_SUBST(SEM_INIT_LIB)
1382 dnl qsort_r detection
1384 AS_IF([test "$ac_cv_func_qsort_r" != no], [
1385 AC_CACHE_CHECK(whether qsort_r is GNU version, e2_cv_gnu_qsort_r,
1386 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1387 @%:@include <stdlib.h>
1388 void (qsort_r)(void *base, size_t nmemb, size_t size,
1389 int (*compar)(const void *, const void *, void *),
1391 ]], [[ ]])],[e2_cv_gnu_qsort_r=yes],[e2_cv_gnu_qsort_r=no])
1393 AC_CACHE_CHECK(whether qsort_r is BSD version, e2_cv_bsd_qsort_r,
1394 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1395 @%:@include <stdlib.h>
1396 void (qsort_r)(void *base, size_t nmemb, size_t size,
1397 void *arg, int (*compar)(void *, const void *, const void *));
1398 ]], [[ ]])],[e2_cv_bsd_qsort_r=yes],[e2_cv_bsd_qsort_r=no])
1400 AS_CASE("$e2_cv_gnu_qsort_r:$e2_cv_bsd_qsort_r",
1402 AC_DEFINE(HAVE_GNU_QSORT_R, 1, [ Define to 1 if you have the GNU-style 'qsort_r' function.])
1405 AC_DEFINE(HAVE_BSD_QSORT_R, 1, [ Define to 1 if you have the BSD-style 'qsort_r' function.])
1409 dnl Check for unified diff
1411 AC_MSG_CHECKING(for unified diff option)
1412 if diff -u $0 $0 > /dev/null 2>&1 ; then
1417 AC_MSG_RESULT($UNI_DIFF_OPTS)
1418 AC_SUBST(UNI_DIFF_OPTS)
1420 dnl We use the EXT2 ioctls only under Linux
1424 AC_DEFINE(HAVE_EXT2_IOCTLS, 1, [Define to 1 if Ext2 ioctls present])
1428 dnl Check the available mount options
1430 AX_CHECK_MOUNT_OPT(nosuid)
1431 AX_CHECK_MOUNT_OPT(nodev)
1432 dnl Enable LTO for all packages
1434 AC_ARG_ENABLE([lto],
1435 AS_HELP_STRING([--enable-lto],[enable link time optimization]),,
1437 if test "$enable_lto" = "yes" || test "$enable_lto" = "probe"; then
1438 AC_MSG_CHECKING([if C compiler supports LTO])
1439 OLD_CFLAGS="$CFLAGS"
1440 OLD_LDFLAGS="$LDFLAGS"
1441 LTO_FLAGS="-g -flto -ffat-lto-objects"
1442 CFLAGS="$CFLAGS $LTO_FLAGS"
1443 LDFLAGS="$LDFLAGS $LTO_FLAGS"
1444 AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1445 [AC_MSG_RESULT([yes])]
1446 [lto_cflags=$LTO_FLAGS]
1447 [lto_ldflags=$LTO_FLAGS]
1448 [AC_PATH_PROG(gcc_ar, gcc-ar,,)]
1449 [AC_PATH_PROG(gcc_ranlib, gcc-ranlib,,)],
1450 [AC_MSG_RESULT([no])])
1451 if test -x "$gcc_ar" && test -x "$gcc_ranlib"; then
1454 RANLIB="${gcc_ranlib}"
1456 CFLAGS="${OLD_CFLAGS}"
1457 LDFLAGS="${OLD_LDFLAGS}"
1459 AC_SUBST(lto_cflags)
1460 AC_SUBST(lto_ldflags)
1462 if test "$enable_lto" = "yes" && test "$have_lto" != "yes"; then
1463 AC_MSG_ERROR([LTO not supported by compiler.])
1466 dnl Enable UBSAN for all packages
1468 AC_ARG_ENABLE([ubsan],
1469 AS_HELP_STRING([--enable-ubsan],[enable undefined behavior sanitizer]),,
1471 if test "$enable_ubsan" = "yes" || test "$enable_ubsan" = "probe"; then
1472 AC_MSG_CHECKING([if C compiler supports UBSAN])
1473 OLD_CFLAGS="$CFLAGS"
1474 OLD_LDFLAGS="$LDFLAGS"
1475 UBSAN_FLAGS="-fsanitize=undefined"
1476 CFLAGS="$CFLAGS $UBSAN_FLAGS"
1477 LDFLAGS="$LDFLAGS $UBSAN_FLAGS"
1478 AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1479 [AC_MSG_RESULT([yes])]
1480 [ubsan_cflags=$UBSAN_FLAGS]
1481 [ubsan_ldflags=$UBSAN_FLAGS]
1483 [AC_MSG_RESULT([no])])
1484 CFLAGS="${OLD_CFLAGS}"
1485 LDFLAGS="${OLD_LDFLAGS}"
1486 AC_SUBST(have_ubsan)
1487 AC_SUBST(ubsan_cflags)
1488 AC_SUBST(ubsan_ldflags)
1490 if test "$enable_ubsan" = "yes" && test "$have_ubsan" != "yes"; then
1491 AC_MSG_ERROR([UBSAN not supported by compiler.])
1494 dnl Enable ADDRSAN for all packages
1496 AC_ARG_ENABLE([addrsan],
1497 AS_HELP_STRING([--enable-addrsan],[enable address sanitizer]),,
1499 if test "$enable_addrsan" = "yes" || test "$enable_addrsan" = "probe"; then
1500 AC_MSG_CHECKING([if C compiler supports ADDRSAN])
1501 OLD_CFLAGS="$CFLAGS"
1502 OLD_LDFLAGS="$LDFLAGS"
1503 ADDRSAN_FLAGS="-fsanitize=address"
1504 CFLAGS="$CFLAGS $ADDRSAN_FLAGS"
1505 LDFLAGS="$LDFLAGS $ADDRSAN_FLAGS"
1506 AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1507 [AC_MSG_RESULT([yes])]
1508 [addrsan_cflags=$ADDRSAN_FLAGS]
1509 [addrsan_ldflags=$ADDRSAN_FLAGS]
1511 [AC_MSG_RESULT([no])])
1512 CFLAGS="${OLD_CFLAGS}"
1513 LDFLAGS="${OLD_LDFLAGS}"
1514 AC_SUBST(have_addrsan)
1515 AC_SUBST(addrsan_cflags)
1516 AC_SUBST(addrsan_ldflags)
1518 if test "$enable_addrsan" = "yes" && test "$have_addrsan" != "yes"; then
1519 AC_MSG_ERROR([ADDRSAN not supported by compiler.])
1522 dnl Enable THREADSAN for all packages
1524 AC_ARG_ENABLE([threadsan],
1525 AS_HELP_STRING([--enable-threadsan],[enable thread sanitizer]),,
1526 enable_threadsan=no)
1527 if test "$enable_threadsan" = "yes" || test "$enable_threadsan" = "probe"; then
1528 AC_MSG_CHECKING([if C compiler supports THREADSAN])
1529 OLD_CFLAGS="$CFLAGS"
1530 OLD_LDFLAGS="$LDFLAGS"
1531 THREADSAN_FLAGS="-fsanitize=thread"
1532 CFLAGS="$CFLAGS $THREADSAN_FLAGS"
1533 LDFLAGS="$LDFLAGS $THREADSAN_FLAGS"
1534 AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1535 [AC_MSG_RESULT([yes])]
1536 [threadsan_cflags=$THREADSAN_FLAGS]
1537 [threadsan_ldflags=$THREADSAN_FLAGS]
1538 [have_threadsan=yes],
1539 [AC_MSG_RESULT([no])])
1540 CFLAGS="${OLD_CFLAGS}"
1541 LDFLAGS="${OLD_LDFLAGS}"
1542 AC_SUBST(have_threadsan)
1543 AC_SUBST(threadsan_cflags)
1544 AC_SUBST(threadsan_ldflags)
1546 if test "$enable_threadsan" = "yes" && test "$have_threadsan" != "yes"; then
1547 AC_MSG_ERROR([THREADSAN not supported by compiler.])
1549 if test "$have_threadsan" = "yes" && test "$have_addrsan" = "yes"; then
1550 AC_MSG_WARN([ADDRSAN and THREADSAN are not known to work together.])
1553 dnl Enable the fuzzer sanitizer for all packages
1556 AC_ARG_ENABLE([fuzzing],
1557 AS_HELP_STRING([--enable-fuzzing],[enable fuzzing sanitizer]),,
1559 if test "$enable_fuzzing" = "yes" || test "$enable_fuzzing" = "probe"; then
1561 AC_MSG_CHECKING([if C compiler supports fuzzing sanitizer])
1563 OLD_CXXFLAGS="$CXXFLAGS"
1564 OLD_LDFLAGS="$LDFLAGS"
1565 FUZZER_FLAGS="-fsanitize=fuzzer"
1566 CXXFLAGS="$CXXFLAGS $FUZZER_FLAGS"
1567 LDFLAGS="$LDFLAGS $FUZZER_FLAGS"
1568 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1573 [AC_MSG_RESULT([yes])]
1574 [fuzzer_cflags=$FUZZER_FLAGS]
1575 [fuzzer_ldflags=$FUZZER_FLAGS]
1578 [AC_MSG_RESULT([no])]
1579 [AC_MSG_ERROR([fuzzing requested but not available])])
1580 CXXFLAGS="${OLD_CXXFLAGS}"
1581 LDFLAGS="${OLD_LDFLAGS}"
1583 AC_SUBST(have_fuzzer)
1584 AC_SUBST(fuzzer_cflags)
1585 AC_SUBST(fuzzer_ldflags)
1587 if test "$enable_fuzzer" = "yes" && test "$have_fuzzer" != "yes"; then
1588 AC_MSG_ERROR([Fuzzing not supported by compiler.])
1590 AC_SUBST(FUZZING_CMT)
1592 dnl OS-specific uncomment control
1607 AC_SUBST(CYGWIN_CMT)
1610 dnl e2scrub only builds on linux
1612 E2SCRUB_CMT="$LINUX_CMT"
1613 AC_SUBST(E2SCRUB_CMT)
1615 dnl Linux and Hurd places root files in the / by default
1618 linux* | gnu* | k*bsd*-gnu)
1619 if test "$prefix" = NONE -a "$root_prefix" = NONE ; then
1621 AC_MSG_RESULT([On $host_os systems, root_prefix defaults to ''])
1626 dnl On Linux/hurd, force the prefix to be /usr
1629 linux* | gnu* | k*bsd*-gnu)
1630 if test "$prefix" = NONE ; then
1632 AC_MSG_RESULT([On $host_os systems, prefix defaults to /usr])
1633 if test "$mandir" = '${prefix}/man' ; then
1634 AC_MSG_RESULT([...and mandir defaults to /usr/share/man])
1635 mandir=/usr/share/man
1640 if test "$root_prefix" = NONE ; then
1641 if test "$prefix" = NONE ; then
1642 root_prefix="$ac_default_prefix"
1644 root_prefix="$prefix"
1647 root_sbindir=$sbindir
1649 root_sysconfdir=$sysconfdir
1651 root_bindir='${root_prefix}/bin'
1652 root_sbindir='${root_prefix}/sbin'
1653 root_libdir='${root_prefix}/lib'
1654 root_sysconfdir='${root_prefix}/etc'
1656 if test "$bindir" != '${exec_prefix}/bin'; then
1658 AC_MSG_RESULT([Setting root_bindir to $root_bindir])
1660 if test "$sbindir" != '${exec_prefix}/sbin'; then
1661 root_sbindir=$sbindir
1662 AC_MSG_RESULT([Setting root_sbindir to $root_sbindir])
1664 if test "$libdir" != '${exec_prefix}/lib'; then
1666 AC_MSG_RESULT([Setting root_libdir to $root_libdir])
1668 if test "$sysconfdir" != '${prefix}/etc'; then
1669 root_sysconfdir=$sysconfdir
1670 AC_MSG_RESULT([Setting root_sysconfdir to $root_sysconfdir])
1672 AC_SUBST(root_prefix)
1673 AC_SUBST(root_bindir)
1674 AC_SUBST(root_sbindir)
1675 AC_SUBST(root_libdir)
1676 AC_SUBST(root_sysconfdir)
1678 dnl Allow specification of the multiarch arch
1680 AC_ARG_WITH([multiarch],
1681 AS_HELP_STRING([--with-multiarch=ARCH],[specify the multiarch triplet]),
1682 if test "$withval" = "lib64"; then
1686 libdir=$libdir/$withval
1687 root_libdir=$root_libdir/$withval
1692 dnl See if -static works. This could fail if the linker does not
1693 dnl support -static, or if required external libraries are not available
1696 AC_MSG_CHECKING([whether we can link with -static])
1697 AC_CACHE_VAL(ac_cv_e2fsprogs_use_static,
1698 [SAVE_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS_STATIC -static"
1699 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[fflush(stdout);]])],[ac_cv_e2fsprogs_use_static=yes],[ac_cv_e2fsprogs_use_static=no])
1700 LDFLAGS=$SAVE_LDFLAGS])
1702 dnl Regardless of how the test turns out, Solaris doesn't handle -static
1703 dnl This is caused by the socket library requiring the nsl library, which
1704 dnl requires the -dl library, which only works for dynamically linked
1705 dnl programs. It basically means you can't have statically linked programs
1706 dnl which use the network under Solaris.
1710 ac_cv_e2fsprogs_use_static=no
1713 AC_MSG_RESULT($ac_cv_e2fsprogs_use_static)
1714 if test $ac_cv_e2fsprogs_use_static = yes; then
1715 LDFLAGS_STATIC="$LDFLAGS_STATIC -static"
1717 AC_SUBST(LDFLAGS_STATIC)
1719 dnl Work around mysterious Darwin / GNU libintl problem
1720 dnl (__asm__ redirection doesn't work for some mysterious reason. Looks like
1721 dnl Apple hacked gcc somehow?)
1725 AC_MSG_RESULT([Using Apple Darwin / GNU libintl workaround])
1726 AC_DEFINE(_INTL_REDIRECT_MACROS, 1,
1727 [Define to 1 if Apple Darwin libintl workaround is needed])
1731 dnl Only try to run the test suite if we're not cross compiling.
1733 if test "$cross_compiling" = yes ; then
1738 AC_SUBST(DO_TEST_SUITE)
1740 dnl Only include the intl include files if we're building with them
1742 INCLUDES='-I. -I$(top_builddir)/lib -I$(top_srcdir)/lib'
1743 if test -n "$CPPFLAGS" ; then
1744 INCLUDES="$INCLUDES $CPPFLAGS"
1746 if test "$USE_INCLUDED_LIBINTL" = "yes" ; then
1747 INCLUDES=$INCLUDES' -I$(top_builddir)/intl -I$(top_srcdir)/intl'
1749 if test -n "$WITH_DIET_LIBC" ; then
1750 INCLUDES="$INCLUDES -D_REENTRANT"
1754 INCLUDES=$INCLUDES' -I$(top_srcdir)/include/mingw'
1761 if test $cross_compiling = no; then
1762 BUILD_CFLAGS="$CFLAGS $CPPFLAGS $INCLUDES -DHAVE_CONFIG_H"
1763 BUILD_LDFLAGS="$LDFLAGS"
1765 AC_SUBST(BUILD_CFLAGS)
1766 AC_SUBST(BUILD_LDFLAGS)
1768 dnl Define CFLAGS and LDFLAGS for shared libraries
1770 CFLAGS_SHLIB=${CFLAGS_SHLIB:-$CFLAGS}
1771 CFLAGS_STLIB=${CFLAGS_STLIB:-$CFLAGS}
1772 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
1773 AC_SUBST(CFLAGS_SHLIB)
1774 AC_SUBST(CFLAGS_STLIB)
1775 AC_SUBST(LDFLAGS_SHLIB)
1778 dnl Where do udev rules go?
1780 AC_ARG_WITH([udev_rules_dir],
1781 [AS_HELP_STRING([--with-udev-rules-dir@<:@=DIR@:>@],
1782 [Install udev rules into DIR.])],
1784 [with_udev_rules_dir=yes])
1785 AS_IF([test "x${with_udev_rules_dir}" != "xno"],
1787 AS_IF([test "x${with_udev_rules_dir}" = "xyes"],
1789 PKG_CHECK_MODULES([udev], [udev],
1791 with_udev_rules_dir="$($PKG_CONFIG --variable=udevdir udev)/rules.d"
1793 with_udev_rules_dir=""
1796 AC_MSG_CHECKING([for udev rules dir])
1797 pkg_udev_rules_dir="${with_udev_rules_dir}"
1798 AS_IF([test -n "${pkg_udev_rules_dir}"],
1800 AC_MSG_RESULT(${pkg_udev_rules_dir})
1809 have_udev="disabled"
1812 AC_SUBST(pkg_udev_rules_dir)
1815 dnl Where do cron jobs go?
1817 AC_ARG_WITH([crond_dir],
1818 [AS_HELP_STRING([--with-crond-dir@<:@=DIR@:>@],
1819 [Install system crontabs into DIR.])],
1821 [with_crond_dir=yes])
1822 AS_IF([test "x${with_crond_dir}" != "xno"],
1824 AS_IF([test "x${with_crond_dir}" = "xyes"],
1826 AS_IF([test -d "/etc/cron.d"],
1827 [with_crond_dir="/etc/cron.d"],
1828 [have_crond="no"; with_crond_dir=""])
1830 AC_MSG_CHECKING([for system crontab dir])
1831 crond_dir="${with_crond_dir}"
1832 AS_IF([test -n "${crond_dir}"],
1834 AC_MSG_RESULT(${crond_dir})
1843 have_crond="disabled"
1845 AC_SUBST(have_crond)
1849 dnl Where do systemd services go?
1851 AC_ARG_WITH([systemd_unit_dir],
1852 [AS_HELP_STRING([--with-systemd-unit-dir@<:@=DIR@:>@],
1853 [Install systemd system units into DIR.])],
1855 [with_systemd_unit_dir=yes])
1856 AS_IF([test "x${with_systemd_unit_dir}" != "xno"],
1858 AS_IF([test "x${with_systemd_unit_dir}" = "xyes"],
1860 PKG_CHECK_MODULES([systemd], [systemd],
1862 with_systemd_unit_dir="$($PKG_CONFIG --variable=systemdsystemunitdir systemd)"
1864 with_systemd_unit_dir=""
1866 m4_pattern_allow([^PKG_(MAJOR|MINOR|BUILD|REVISION)$])
1868 AC_MSG_CHECKING([for systemd system unit dir])
1869 systemd_system_unit_dir="${with_systemd_unit_dir}"
1870 AS_IF([test -n "${systemd_system_unit_dir}"],
1872 AC_MSG_RESULT(${systemd_system_unit_dir})
1881 have_systemd="disabled"
1883 AC_SUBST(have_systemd)
1884 AC_SUBST(systemd_system_unit_dir)
1885 dnl Adjust the compiled files if we are on windows vs everywhere else
1890 OS_IO_FILE=windows_io
1896 AC_SUBST(OS_IO_FILE)
1901 dnl Make our output files, being sure that we create the some miscellaneous
1904 test -d lib || mkdir lib
1905 test -d include || mkdir include
1906 test -d include/linux || mkdir include/linux
1907 test -d include/asm || mkdir include/asm
1908 if test -z "$UUID_CMT" ; then
1909 uuid_out_list="lib/uuid/Makefile lib/uuid/uuid.pc \
1910 lib/uuid/uuid_types.h"
1912 if test -z "$BLKID_CMT" ; then
1913 blkid_out_list="lib/blkid/Makefile lib/blkid/blkid.pc \
1914 lib/blkid/blkid_types.h"
1916 for i in MCONFIG Makefile \
1917 util/Makefile util/subst.conf util/gen-tarball util/install-symlink \
1918 lib/et/Makefile lib/ss/Makefile lib/e2p/Makefile \
1919 lib/ext2fs/Makefile lib/ext2fs/ext2_types.h \
1920 $uuid_out_list $blkid_out_list lib/support/Makefile \
1921 lib/ss/ss.pc lib/et/com_err.pc lib/e2p/e2p.pc lib/ext2fs/ext2fs.pc \
1922 misc/Makefile ext2ed/Makefile e2fsck/Makefile \
1923 debugfs/Makefile tests/Makefile tests/progs/Makefile \
1924 tests/fuzz/Makefile resize/Makefile doc/Makefile \
1925 po/Makefile.in scrub/Makefile; do
1926 if test -d `dirname ${srcdir}/$i` ; then
1927 outlist="$outlist $i"
1930 AC_CONFIG_FILES([$outlist])
1932 if test -f util/gen-tarball; then chmod +x util/gen-tarball; fi