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libext2fs: use ~0UL instead of -1UL to avoid static checker warnings
[tools/e2fsprogs.git] / configure.in
1 AC_INIT(version.h)
2 AC_PREREQ(2.54)
3 AC_CONFIG_AUX_DIR(config)
4 AC_CONFIG_HEADERS([lib/config.h])
5 AH_BOTTOM([#include <dirpaths.h>])
6 MCONFIG=./MCONFIG
7 AC_SUBST_FILE(MCONFIG)
8 BINARY_TYPE=bin
9 dnl
10 dnl This is to figure out the version number and the date....
11 dnl
12 E2FSPROGS_VERSION=`grep E2FSPROGS_VERSION ${srcdir}/version.h  \
13         | awk '{print $3}' | tr \" " " | awk '{print $1}'`
14 DATE=`grep E2FSPROGS_DATE ${srcdir}/version.h | awk '{print $3}' \
15         | tr \" " "`
16 E2FSPROGS_DAY=`echo $DATE | awk -F- '{print $1}'`
17 MONTH=`echo $DATE | awk -F- '{print $2}'`
18 YEAR=`echo $DATE | awk -F- '{print $3}'`
19
20 if expr $YEAR ">" 1900 > /dev/null ; then
21         E2FSPROGS_YEAR=$YEAR
22 elif expr $YEAR ">" 90 >/dev/null ; then
23         E2FSPROGS_YEAR=19$YEAR
24 else
25         E2FSPROGS_YEAR=20$YEAR
26 fi
27
28 case $MONTH in
29 Jan)    MONTH_NUM=01; E2FSPROGS_MONTH="January" ;;
30 Feb)    MONTH_NUM=02; E2FSPROGS_MONTH="February" ;;
31 Mar)    MONTH_NUM=03; E2FSPROGS_MONTH="March" ;;
32 Apr)    MONTH_NUM=04; E2FSPROGS_MONTH="April" ;;
33 May)    MONTH_NUM=05; E2FSPROGS_MONTH="May" ;;
34 Jun)    MONTH_NUM=06; E2FSPROGS_MONTH="June" ;;
35 Jul)    MONTH_NUM=07; E2FSPROGS_MONTH="July" ;;
36 Aug)    MONTH_NUM=08; E2FSPROGS_MONTH="August" ;;
37 Sep)    MONTH_NUM=09; E2FSPROGS_MONTH="September" ;;
38 Oct)    MONTH_NUM=10; E2FSPROGS_MONTH="October" ;;
39 Nov)    MONTH_NUM=11; E2FSPROGS_MONTH="November" ;;
40 Dec)    MONTH_NUM=12; E2FSPROGS_MONTH="December" ;;
41 *)      AC_MSG_WARN([Unknown month $MONTH??]) ;;
42 esac
43
44 base_ver=`echo $E2FSPROGS_VERSION | \
45                sed -e 's/-WIP//' -e 's/pre-//' -e 's/-PLUS//'`
46
47 date_spec=${E2FSPROGS_YEAR}.${MONTH_NUM}.${E2FSPROGS_DAY}
48
49 case $E2FSPROGS_VERSION in
50 *-WIP|pre-*)
51         E2FSPROGS_PKGVER="$base_ver~WIP-$E2FSPROGS_YEAR-$MONTH_NUM-$E2FSPROGS_DAY"
52         ;;
53 *)
54         E2FSPROGS_PKGVER="$base_ver"
55         ;;
56 esac
57
58 unset DATE MONTH YEAR base_ver pre_vers date_spec
59 AC_MSG_RESULT([Generating configuration file for e2fsprogs version $E2FSPROGS_VERSION])
60 AC_MSG_RESULT([Release date is ${E2FSPROGS_MONTH}, ${E2FSPROGS_YEAR}])
61 AC_SUBST(E2FSPROGS_YEAR)
62 AC_SUBST(E2FSPROGS_MONTH)
63 AC_SUBST(E2FSPROGS_DAY)
64 AC_SUBST(E2FSPROGS_VERSION)
65 AC_SUBST(E2FSPROGS_PKGVER)
66 dnl
67 dnl Use diet libc
68 dnl 
69 WITH_DIET_LIBC=
70 AC_ARG_WITH([diet-libc],
71 [  --with-diet-libc        use diet libc],
72 CC="diet cc -nostdinc"
73 WITH_DIET_LIBC=yes
74 if test -z "$LIBS"
75 then
76         LIBS="-lcompat"
77 else
78         LIBS="$LIBS -lcompat"
79 fi
80 AC_MSG_RESULT(CC=$CC))dnl
81 dnl
82 AC_CANONICAL_HOST
83 dnl
84 dnl Check to see if libdl exists for the sake of dlopen
85 dnl
86 DLOPEN_LIB=''
87 AC_CHECK_LIB(dl, dlopen,
88 [DLOPEN_LIB=-ldl
89 AC_DEFINE(HAVE_DLOPEN, 1, [Define to 1 if dlopen/libdl exists])])
90 AC_SUBST(DLOPEN_LIB)
91 dnl
92 AC_ARG_WITH([cc],
93 AC_HELP_STRING([--with-cc],[no longer supported, use CC= instead]),
94 AC_MSG_ERROR([--with-cc no longer supported; use CC= instead]))
95 dnl
96 AC_ARG_WITH([ccopts],
97 AC_HELP_STRING([--with-ccopts],[no longer supported, use CFLAGS= instead]),
98 AC_MSG_ERROR([--with-ccopts no longer supported; use CFLAGS= instead]))
99 dnl
100 AC_ARG_WITH([ldopts],
101 AC_HELP_STRING([--with-ldopts],[no longer supported, use LDFLAGS= instead]),
102 AC_MSG_ERROR([--with-ldopts no longer supported; use LDFLAGS= instead]))
103 dnl
104 AC_PROG_CC
105 if test "$GCC" = yes; then
106    RDYNAMIC="-rdynamic"
107    AC_SUBST(RDYNAMIC)
108 fi
109 AC_PROG_CPP
110 dnl
111 dnl Alpha computers use fast and imprecise floating point code that may
112 dnl miss exceptions by default. Force sane options if we're using GCC.
113 AC_MSG_CHECKING(for additional special compiler flags)
114 if test "$GCC" = yes
115 then
116     case "$host_cpu" in
117         alpha)          addcflags="-mieee" ;;
118     esac
119 fi
120 if test "x$addcflags" != x
121 then
122     AC_MSG_RESULT($addcflags)
123     CFLAGS="$addcflags $CFLAGS"
124 else
125     AC_MSG_RESULT([[(none)]])
126 fi
127 AC_USE_SYSTEM_EXTENSIONS
128 dnl
129 dnl Set default values for library extentions.  Will be dealt with after
130 dnl parsing configuration opions, which may modify these
131 dnl
132 LIB_EXT=.a
133 STATIC_LIB_EXT=.a
134 PROFILED_LIB_EXT=.a
135 dnl
136 dnl Allow separate `root_prefix' to be specified
137 dnl
138 AC_ARG_WITH([root-prefix],
139 [  --with-root-prefix=PREFIX override prefix variable for files to be placed in the root],
140 root_prefix=$withval,
141 root_prefix=NONE)dnl
142 dnl
143 dnl handle --enable-maintainer-mode
144 dnl
145 AC_ARG_ENABLE([maintainer-mode],
146 [  --enable-maintainer-mode enable makefile rules useful for maintainers],
147 if test "$enableval" = "no"
148 then
149         MAINTAINER_CMT=#
150         AC_MSG_RESULT([Disabling maintainer mode])
151 else
152         MAINTAINER_CMT=
153         AC_MSG_RESULT([Enabling maintainer mode])
154 fi
155 ,
156 MAINTAINER_CMT=#
157 AC_MSG_RESULT([Disabling maintainer mode by default])
158 )
159 AC_SUBST(MAINTAINER_CMT)
160 dnl
161 dnl handle --enable-symlink-install
162 dnl
163 AC_ARG_ENABLE([symlink-install],
164 [  --enable-symlink-install use symlinks when installing instead of hard links],
165 if test "$enableval" = "no"
166 then
167         LINK_INSTALL_FLAGS=-f
168         AC_MSG_RESULT([Disabling symlinks for install])
169 else
170         LINK_INSTALL_FLAGS=-sf
171         AC_MSG_RESULT([Enabling symlinks for install])
172 fi
173 ,
174 LINK_INSTALL_FLAGS=-f
175 AC_MSG_RESULT([Disabling symlinks for install by default])
176 )
177 AC_SUBST(LINK_INSTALL_FLAGS)
178 dnl
179 dnl handle --enable-relative-symlinks
180 dnl
181 relative_symlink_defined=
182 AC_ARG_ENABLE([relative-symlinks],
183 [  --enable-relative-symlinks use relative symlinks when installing],
184 if test "$enableval" = "no"
185 then
186         SYMLINK_RELATIVE=
187         relative_symlink_defined=yes
188         AC_MSG_RESULT([Disabling relative symlinks for install])
189 else
190         SYMLINK_RELATIVE=--relative
191         relative_symlink_defined=yes
192         AC_MSG_RESULT([Enabling relative symlinks for install])
193 fi)
194 AC_ARG_ENABLE([symlink-relative-symlinks],,
195 if test "$enableval" = "no"
196 then
197         SYMLINK_RELATIVE=yes
198         AC_MSG_RESULT([Disabling relative symlinks for install])
199 else
200         SYMLINK_RELATIVE=--relative
201         AC_MSG_RESULT([Enabling relative symlinks for install])
202 fi
203 ,
204 if test -z "$relative_symlink_defined"
205 then
206         SYMLINK_RELATIVE=
207 AC_MSG_RESULT([Disabling relative symlinks for install by default])
208 fi
209 )
210 AC_SUBST(SYMLINK_RELATIVE)
211 dnl
212 dnl handle --enable-symlink-build
213 dnl
214 AC_ARG_ENABLE([symlink-build],
215 [  --enable-symlink-build  use symlinks while building instead of hard links],
216 if test "$enableval" = "no"
217 then
218         LINK_BUILD_FLAGS=
219         AC_MSG_RESULT([Disabling symlinks for build])
220 else
221         LINK_BUILD_FLAGS=-s
222         AC_MSG_RESULT([Enabling symlinks for build])
223 fi
224 ,
225 LINK_BUILD_FLAGS=
226 AC_MSG_RESULT([Disabling symlinks for build by default])
227 )
228 AC_SUBST(LINK_BUILD_FLAGS)
229 dnl
230 dnl handle --enable-verbose-makecmds
231 dnl
232 AC_ARG_ENABLE([verbose-makecmds],
233 [  --enable-verbose-makecmds enable verbose make command output],
234 if test "$enableval" = "no"
235 then
236         AC_MSG_RESULT([Disabling verbose make commands])
237         E=@echo
238         ES=echo
239         Q=@
240 else
241         AC_MSG_RESULT([Enabling verbose make commands])
242         E=@\\#
243         ES=\\#
244         Q= 
245 fi
246 ,
247 AC_MSG_RESULT([Disabling verbose make commands])
248 E=@echo
249 ES=echo
250 Q=@
251 )
252 AC_SUBST(E)
253 AC_SUBST(ES)
254 AC_SUBST(Q)
255 dnl
256 dnl handle --enable-compression
257 dnl
258 AC_ARG_ENABLE([compression],
259 [  --enable-compression   enable EXPERIMENTAL compression support],
260 if test "$enableval" = "no"
261 then
262         AC_MSG_RESULT([Disabling compression support])
263 else
264         AC_DEFINE(ENABLE_COMPRESSION, 1,
265                 [Define to 1 if ext2 compression enabled])
266         AC_MSG_RESULT([Enabling compression support])
267         AC_MSG_WARN([Compression support is experimental])
268 fi
269 ,
270 AC_MSG_RESULT([Disabling compression support by default])
271 )
272 dnl
273 dnl handle --enable-htree
274 dnl
275 AH_TEMPLATE([ENABLE_HTREE], [Define to 1 if ext3/4 htree support enabled])
276 AC_ARG_ENABLE([htree],
277 [  --enable-htree         enable EXPERIMENTAL htree directory support],
278 if test "$enableval" = "no"
279 then
280         HTREE_CMT=#
281         AC_MSG_RESULT([Disabling htree directory support])
282 else
283         HTREE_CMT=
284         AC_DEFINE(ENABLE_HTREE, 1)
285         AC_MSG_RESULT([Enabling htree directory support])
286 fi
287 ,
288 HTREE_CMT=
289 AC_DEFINE(ENABLE_HTREE, 1)
290 AC_MSG_RESULT([Enabling htree directory support by default])
291 )
292 AC_SUBST(HTREE_CMT)
293 dnl
294 dnl This needs to be before all of the --enable-*-shlibs options
295 dnl
296 E2_PKG_CONFIG_STATIC=--static
297 LDFLAG_DYNAMIC=
298 PRIVATE_LIBS_CMT=
299 dnl
300 dnl handle --enable-elf-shlibs
301 dnl
302 AC_ARG_ENABLE([elf-shlibs],
303 [  --enable-elf-shlibs    select ELF shared libraries],
304 if test "$enableval" = "no"
305 then
306         ELF_CMT=#
307         MAKEFILE_ELF=/dev/null
308         AC_MSG_RESULT([Disabling ELF shared libraries])
309 else
310         E2_PKG_CONFIG_STATIC=
311         ELF_CMT=
312         MAKEFILE_ELF=$srcdir/lib/Makefile.elf-lib
313         [case "$host_os" in
314         solaris2.*)
315                 MAKEFILE_ELF=$srcdir/lib/Makefile.solaris-lib
316         ;;
317         esac]
318         BINARY_TYPE=elfbin
319         LIB_EXT=.so
320         PRIVATE_LIBS_CMT=#
321         LDFLAG_DYNAMIC=['-Wl,-rpath-link,$(top_builddir)/lib']
322         AC_MSG_RESULT([Enabling ELF shared libraries])
323 fi
324 ,
325 MAKEFILE_ELF=/dev/null
326 ELF_CMT=#
327 AC_MSG_RESULT([Disabling ELF shared libraries by default])
328 )
329 AC_SUBST(ELF_CMT)
330 AC_SUBST_FILE(MAKEFILE_ELF)
331 dnl
332 dnl handle --enable-bsd-shlibs
333 dnl
334 AC_ARG_ENABLE([bsd-shlibs],
335 [  --enable-bsd-shlibs    select BSD shared libraries],
336 if test "$enableval" = "no"
337 then
338         BSDLIB_CMT=#
339         MAKEFILE_BSDLIB=/dev/null
340         AC_MSG_RESULT([Disabling BSD shared libraries])
341 else
342         E2_PKG_CONFIG_STATIC=
343         BSDLIB_CMT=
344         MAKEFILE_BSDLIB=$srcdir/lib/Makefile.bsd-lib
345         LIB_EXT=.so
346         [case "$host_os" in
347         darwin*)
348                 MAKEFILE_BSDLIB=$srcdir/lib/Makefile.darwin-lib
349                 LIB_EXT=.dylib
350         ;;
351         esac]
352         AC_MSG_RESULT([Enabling BSD shared libraries])
353 fi
354 ,
355 MAKEFILE_BSDLIB=/dev/null
356 BSDLIB_CMT=#
357 AC_MSG_RESULT([Disabling BSD shared libraries by default])
358 )
359 AC_SUBST(BSDLIB_CMT)
360 AC_SUBST_FILE(MAKEFILE_BSDLIB)
361 dnl
362 dnl handle --enable-profile
363 dnl
364 AC_ARG_ENABLE([profile],
365 [  --enable-profile       build profiling libraries],
366 if test "$enableval" = "no"
367 then
368         PROFILE_CMT=#
369         MAKEFILE_PROFILE=/dev/null
370         AC_MSG_RESULT([Disabling profiling libraries])
371 else
372         PROFILE_CMT=
373         MAKEFILE_PROFILE=$srcdir/lib/Makefile.profile
374         PROFILED_LIB_EXT=_p.a
375         AC_MSG_RESULT([Building profiling libraries])
376 fi
377 ,
378 PROFILE_CMT=#
379 MAKEFILE_PROFILE=/dev/null
380 AC_MSG_RESULT([Disabling profiling libraries by default])
381 )
382 AC_SUBST(PROFILE_CMT)
383 AC_SUBST_FILE(MAKEFILE_PROFILE)
384 dnl
385 dnl handle --enable-gcov
386 dnl
387 AC_ARG_ENABLE([gcov],
388 [  --enable-gcov                  build for coverage testing using gcov],
389 if test "$enableval" = "yes"
390 then
391         CFLAGS="-g -fprofile-arcs -ftest-coverage"
392         LDFLAGS="-fprofile-arcs -ftest-coverage"
393         AC_MSG_RESULT([Enabling gcov support])
394 fi
395 )
396
397 dnl
398 dnl Substitute library extensions
399 dnl
400 AC_SUBST(LIB_EXT)
401 AC_SUBST(STATIC_LIB_EXT)
402 AC_SUBST(PROFILED_LIB_EXT)
403 AC_SUBST(LDFLAG_DYNAMIC)
404 AC_SUBST(PRIVATE_LIBS_CMT)
405 dnl
406 dnl handle --enable-jbd-debug
407 dnl
408 AC_ARG_ENABLE([jbd-debug],
409 [  --enable-jbd-debug     enable journal debugging],
410 if test "$enableval" = "no"
411 then
412         AC_MSG_RESULT([Disabling journal debugging])
413 else
414         AC_DEFINE(CONFIG_JBD_DEBUG, 1,
415                 [Define to 1 if debugging ext3/4 journal code])
416         AC_MSG_RESULT([Enabling journal debugging])
417 fi
418 ,
419 AC_MSG_RESULT([Disabling journal debugging by default])
420 )
421 dnl
422 dnl handle --enable-blkid-debug
423 dnl
424 AC_ARG_ENABLE([blkid-debug],
425 [  --enable-blkid-debug    enable blkid debugging],
426 if test "$enableval" = "no"
427 then
428         AC_MSG_RESULT([Disabling blkid debugging])
429 else
430         AC_DEFINE(CONFIG_BLKID_DEBUG, 1,
431                 [Define to 1 if debugging the blkid library])
432         AC_MSG_RESULT([Enabling blkid debugging])
433 fi
434 ,
435 AC_MSG_RESULT([Disabling blkid debugging by default])
436 )
437 dnl
438 dnl handle --enable-testio-debug
439 dnl
440 AC_ARG_ENABLE([testio-debug],
441 [  --disable-testio-debug  disable the use of the test I/O manager for debugging],
442 AH_TEMPLATE([CONFIG_TESTIO_DEBUG],
443         [Define to 1 if the testio I/O manager should be enabled])
444 if test "$enableval" = "no"
445 then
446         AC_MSG_RESULT([Disabling testio debugging])
447         TEST_IO_CMT="#"
448 else
449         TEST_IO_CMT=
450         AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
451         AC_MSG_RESULT([Enabling testio debugging])
452 fi
453 ,
454 AC_MSG_RESULT([Enabling testio debugging by default])
455 AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
456 TEST_IO_CMT=
457 )
458 AC_SUBST(TEST_IO_CMT)
459 dnl
460 dnl handle --disable-libuuid
461 dnl
462 PKG_PROG_PKG_CONFIG
463 LIBUUID=
464 DEPLIBUUID=
465 STATIC_LIBUUID=
466 DEPSTATIC_LIBUUID=
467 PROFILED_LIBUUID=
468 DEPPROFILED_LIBUUID=
469 UUID_CMT=
470 AC_ARG_ENABLE([libuuid],
471 [  --disable-libuuid      do not build private uuid library],
472 if test "$enableval" = "no"
473 then
474         if test -z "$PKG_CONFIG"; then
475                 AC_MSG_ERROR([pkg-config not installed; please install it.])
476         fi
477
478         AC_CHECK_LIB(uuid, uuid_generate,
479                 [LIBUUID=`$PKG_CONFIG --libs uuid`;
480                  STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`],
481                 [AC_MSG_ERROR([external uuid library not found])])
482         PROFILED_LIBUUID=$LIBUUID
483         UUID_CMT=#
484         AC_MSG_RESULT([Disabling private uuid library])
485 else
486         LIBUUID='$(LIB)/libuuid'$LIB_EXT
487         DEPLIBUUID=$LIBUUID
488         STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
489         DEPSTATIC_LIBUUID=$STATIC_LIBUUID
490         PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
491         DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
492         AC_MSG_RESULT([Enabling private uuid library])
493 fi
494 ,
495 LIBUUID='$(LIB)/libuuid'$LIB_EXT
496 DEPLIBUUID=$LIBUUID
497 STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
498 DEPSTATIC_LIBUUID=$STATIC_LIBUUID
499 PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
500 DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
501 AC_MSG_RESULT([Enabling private uuid library by default])
502 )
503 AC_SUBST(LIBUUID)
504 AC_SUBST(DEPLIBUUID)
505 AC_SUBST(STATIC_LIBUUID)
506 AC_SUBST(DEPSTATIC_LIBUUID)
507 AC_SUBST(PROFILED_LIBUUID)
508 AC_SUBST(DEPPROFILED_LIBUUID)
509 AC_SUBST(UUID_CMT)
510 dnl
511 dnl handle --disable-libblkid
512 dnl
513 PKG_PROG_PKG_CONFIG
514 LIBBLKID=
515 DEPLIBBLKID=
516 STATIC_LIBBLKID=
517 DEPSTATIC_LIBBLKID=
518 PROFILED_LIBBLKID=
519 DEPPROFILED_LIBBLKID=
520 BLKID_CMT=
521 AH_TEMPLATE([CONFIG_BUILD_FINDFS], [Define to 1 to compile findfs])
522 AC_ARG_ENABLE([libblkid],
523 [  --disable-libblkid     do not build private blkid library],
524 if test "$enableval" = "no"
525 then
526         if test -z "$PKG_CONFIG"; then
527                 AC_MSG_ERROR([pkg-config not installed; please install it.])
528         fi
529
530         AC_CHECK_LIB(blkid, blkid_get_cache,
531                 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
532                  STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`],
533                 [AC_MSG_ERROR([external blkid library not found])], -luuid)
534         BLKID_CMT=#
535         PROFILED_LIBBLKID=$LIBBLKID
536         AC_MSG_RESULT([Disabling private blkid library])
537 else
538         LIBBLKID='$(LIB)/libblkid'$LIB_EXT
539         DEPLIBBLKID=$LIBBLKID
540         STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
541         DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
542         PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
543         DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
544         AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
545         AC_MSG_RESULT([Enabling private blkid library])
546 fi
547 ,
548 LIBBLKID='$(LIB)/libblkid'$LIB_EXT
549 DEPLIBBLKID=$LIBBLKID
550 STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
551 DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
552 PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
553 DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
554 AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
555 AC_MSG_RESULT([Enabling private blkid library by default])
556 )
557 AC_SUBST(LIBBLKID)
558 AC_SUBST(DEPLIBBLKID)
559 AC_SUBST(STATIC_LIBBLKID)
560 AC_SUBST(DEPSTATIC_LIBBLKID)
561 AC_SUBST(PROFILED_LIBBLKID)
562 AC_SUBST(DEPPROFILED_LIBBLKID)
563 AC_SUBST(BLKID_CMT)
564 dnl
565 dnl handle --enable-quota
566 dnl
567 QUOTA_MAN_COMMENT='.\"'
568 QUOTA_CMT=
569 AC_SUBST(QUOTA_MAN_COMMENT)
570 PKG_PROG_PKG_CONFIG
571 AH_TEMPLATE([CONFIG_QUOTA], [Define to 1 to enable quota support])
572 AC_ARG_ENABLE([quota],
573 [  --enable-quota         enable quota support],
574 if test "$enableval" = "no"
575 then
576         QUOTA_CMT=#
577         AC_MSG_RESULT([Disabling quota support])
578 else
579         QUOTA_CMT=
580         AC_DEFINE(CONFIG_QUOTA, 1)
581         AC_MSG_RESULT([Enabling quota support])
582         QUOTA_MAN_COMMENT=""
583         AC_SUBST(QUOTA_MAN_COMMENT)
584 fi
585 ,
586 QUOTA_CMT=#
587 AC_MSG_RESULT([Disabling quota support by default])
588 )
589 dnl
590 dnl Define stuff expected for quota library
591 dnl
592 LIBQUOTA='$(LIB)/libquota'$LIB_EXT
593 DEPLIBQUOTA=$LIBQUOTA
594 STATIC_LIBQUOTA='$(LIB)/libquota'$STATIC_LIB_EXT
595 DEPSTATIC_LIBQUOTA=$STATIC_LIBQUOTA
596 PROFILED_LIBQUOTA='$(LIB)/libquota'$PROFILED_LIB_EXT
597 DEPPROFILED_LIBQUOTA=$PROFILED_LIBQUOTA
598 AC_SUBST(LIBQUOTA)
599 AC_SUBST(DEPLIBQUOTA)
600 AC_SUBST(STATIC_LIBQUOTA)
601 AC_SUBST(DEPSTATIC_LIBQUOTA)
602 AC_SUBST(PROFILED_LIBQUOTA)
603 AC_SUBST(DEPPROFILED_LIBQUOTA)
604 AC_SUBST(QUOTA_CMT)
605 dnl
606 dnl handle --disable-backtrace
607 dnl
608 AH_TEMPLATE([DISABLE_BACKTRACE], [Define to 1 to disable use of backtrace])
609 AC_ARG_ENABLE([backtrace],
610 [  --disable-backtrace    disable use backtrace],
611 if test "$enableval" = "no"
612 then
613         AC_MSG_RESULT([Disabling use of backtrace])
614         AC_DEFINE(DISABLE_BACKTRACE, 1)
615 else
616         AC_MSG_RESULT([Enabling use of backtrace])
617 fi
618 ,
619 AC_MSG_RESULT([Enabling use of backtrace by default])
620 )
621 dnl
622 dnl handle --enable-debugfs
623 dnl
624 AC_ARG_ENABLE([debugfs],
625 [  --disable-debugfs      disable support of debugfs program],
626 if test "$enableval" = "no"
627 then
628         AC_MSG_RESULT([Disabling debugfs support])
629         DEBUGFS_CMT="#"
630 else
631         DEBUGFS_CMT=
632         AC_MSG_RESULT([Enabling debugfs support])
633 fi
634 ,
635 AC_MSG_RESULT([Enabling debugfs support by default])
636 DEBUGFS_CMT=
637 )
638 AC_SUBST(DEBUGFS_CMT)
639 dnl
640 dnl handle --enable-imager
641 dnl
642 AC_ARG_ENABLE([imager],
643 [  --disable-imager       disable support of e2image program],
644 if test "$enableval" = "no"
645 then
646         AC_MSG_RESULT([Disabling e2image support])
647         IMAGER_CMT="#"
648 else
649         IMAGER_CMT=
650         AC_MSG_RESULT([Enabling e2image support])
651 fi
652 ,
653 AC_MSG_RESULT([Enabling e2image support by default])
654 IMAGER_CMT=
655 )
656 AC_SUBST(IMAGER_CMT)
657 dnl
658 dnl handle --enable-resizer
659 dnl
660 AC_ARG_ENABLE([resizer],
661 [  --disable-resizer      disable support of e2resize program],
662 if test "$enableval" = "no"
663 then
664         AC_MSG_RESULT([Disabling e2resize support])
665         RESIZER_CMT="#"
666 else
667         RESIZER_CMT=
668         AC_MSG_RESULT([Enabling e2resize support])
669 fi
670 ,
671 AC_MSG_RESULT([Enabling e2resize support by default])
672 RESIZER_CMT=
673 )
674 AC_SUBST(RESIZER_CMT)
675 dnl
676 dnl handle --enable-defrag
677 dnl
678 AC_ARG_ENABLE([defrag],
679 [  --disable-defrag       disable support of e4defrag program],
680 if test "$enableval" = "no"
681 then
682         AC_MSG_RESULT([Disabling e4defrag support])
683         DEFRAG_CMT="#"
684 else
685         DEFRAG_CMT=
686         AC_MSG_RESULT([Enabling e4defrag support])
687 fi
688 ,
689 if test -z "$WITH_DIET_LIBC"
690 then
691         AC_MSG_RESULT([Enabling e4defrag support by default])
692         DEFRAG_CMT=
693 else
694         AC_MSG_RESULT([Disabling e4defrag support by default])
695         DEFRAG_CMT="#"
696 fi
697 )
698 AC_SUBST(DEFRAG_CMT)
699 dnl
700 dnl See whether to install the `fsck' wrapper program (that calls e2fsck)
701 dnl
702 AC_ARG_ENABLE([fsck],
703 [  --enable-fsck           build fsck wrapper program],
704 [if test "$enableval" = "no"
705 then
706         FSCK_PROG='' FSCK_MAN=''
707         AC_MSG_RESULT([Not building fsck wrapper])
708 else
709         FSCK_PROG=fsck FSCK_MAN=fsck.8
710         AC_MSG_RESULT([Building fsck wrapper])
711 fi]
712 ,
713 [case "$host_os" in
714   gnu*)
715     FSCK_PROG='' FSCK_MAN=''
716     AC_MSG_RESULT([Not building fsck wrapper by default])
717     ;;
718   *)
719     FSCK_PROG=fsck FSCK_MAN=fsck.8
720     AC_MSG_RESULT([Building fsck wrapper by default])
721 esac]
722 )
723 AC_SUBST(FSCK_PROG)
724 AC_SUBST(FSCK_MAN)
725 dnl
726 dnl See whether to install the `e2initrd-helper' program
727 dnl
728 AC_ARG_ENABLE([e2initrd-helper],
729 [  --enable-e2initrd-helper build e2initrd-helper program],
730 [if test "$enableval" = "no"
731 then
732         E2INITRD_PROG='' E2INITRD_MAN=''
733         AC_MSG_RESULT([Not building e2initrd helper])
734 else
735         E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
736         AC_MSG_RESULT([Building e2initrd helper])
737 fi]
738 ,
739 E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
740 AC_MSG_RESULT([Building e2initrd helper by default])
741 )
742 AC_SUBST(E2INITRD_PROG)
743 AC_SUBST(E2INITRD_MAN)
744 dnl
745 dnl
746 dnl
747 AC_ARG_ENABLE([tls],
748 [  --disable-tls           disable use of thread local support],
749 [if test "$enableval" = "no"
750 then
751         try_tls=""
752         AC_MSG_RESULT([Disabling thread local support])
753 else
754         try_tls="yes"
755         AC_MSG_RESULT([Enabling thread local support])
756 fi]
757 ,
758 if test -n "$WITH_DIET_LIBC"
759 then
760         try_tls=""
761         AC_MSG_RESULT([Diet libc does not support thread local support])
762 else
763         try_tls="yes"
764         AC_MSG_RESULT([Try using thread local support by default])
765 fi
766 )
767 if test "$try_tls" = "yes"
768 then
769 AX_TLS
770 fi
771 dnl
772 dnl
773 dnl
774 AH_TEMPLATE([USE_UUIDD], [Define to 1 to build uuidd])
775 AC_ARG_ENABLE([uuidd],
776 [  --disable-uuidd         disable building the uuid daemon],
777 [if test "$enableval" = "no"
778 then
779         AC_MSG_RESULT([Not building uuidd])
780         UUIDD_CMT="#"
781 else
782         AC_DEFINE(USE_UUIDD, 1)
783         UUIDD_CMT=""
784         AC_MSG_RESULT([Building uuidd])
785 fi]
786 ,
787 AC_DEFINE(USE_UUIDD, 1)
788 if test -z "$UUID_CMT"
789 then
790         UUIDD_CMT=""
791         AC_MSG_RESULT([Building uuidd by default])
792 else
793         UUIDD_CMT="#"
794         AC_MSG_RESULT([Disabling uuidd by default])
795 fi
796 )
797 AC_SUBST(UUIDD_CMT)
798 dnl
799 dnl handle --disable-mmp
800 dnl
801 AH_TEMPLATE([CONFIG_MMP], [Define to 1 to enable mmp support])
802 AC_ARG_ENABLE([mmp],
803 [  --disable-mmp           disable support mmp, Multi Mount Protection],
804 if test "$enableval" = "no"
805 then
806         AC_MSG_RESULT([Disabling mmp support])
807 else
808         AC_MSG_RESULT([Enabling mmp support])
809         AC_DEFINE(CONFIG_MMP, 1)
810 fi
811 ,
812 AC_MSG_RESULT([Enabling mmp support by default])
813 AC_DEFINE(CONFIG_MMP, 1)
814 )
815 dnl
816 dnl handle --disable-bmap-stats
817 dnl
818 AH_TEMPLATE([ENABLE_BMAP_STATS], [Define to 1 to enable bitmap stats.])
819 AC_ARG_ENABLE([bmap-stats],
820 [  --disable-bmap-stats    disable collection of bitmap stats.],
821 if test "$enableval" = "no"
822 then
823         AC_MSG_RESULT([Disabling bitmap statistics support])
824 else
825         AC_MSG_RESULT([Enabling bitmap statistics support])
826         AC_DEFINE(ENABLE_BMAP_STATS, 1)
827 fi
828 ,
829 AC_MSG_RESULT([Enabling bitmap statistics support by default])
830 AC_DEFINE(ENABLE_BMAP_STATS, 1)
831 )
832 dnl
833 dnl handle --enable-bmap-stats-ops
834 dnl
835 AH_TEMPLATE([ENABLE_BMAP_STATS_OPS], [Define to 1 to enable bitmap stats.])
836 AC_ARG_ENABLE([bmap-stats-ops],
837 [  --enable-bmap-stats-ops enable collection of additional bitmap stats],
838 if test "$enableval" = "no"
839 then
840         AC_MSG_RESULT([Disabling additional bitmap statistics])
841 else
842         dnl There has to be a better way!
843         AS_IF([test "x${enable_bmap_stats}" = "xno"],
844          AC_MSG_FAILURE([Error --enable-bmap-stats-ops requires bmap-stats]))
845
846         AC_MSG_RESULT([Enabling additional bitmap statistics])
847         AC_DEFINE(ENABLE_BMAP_STATS_OPS, 1)
848 fi
849 ,
850 AC_MSG_RESULT([Disabling additional bitmap statistics by default])
851 )
852 dnl
853 dnl
854 dnl
855 MAKEFILE_LIBRARY=$srcdir/lib/Makefile.library
856 AC_SUBST_FILE(MAKEFILE_LIBRARY)
857 dnl
858 dnl Add internationalization support, using gettext.
859 dnl
860 GETTEXT_PACKAGE=e2fsprogs
861 PACKAGE=e2fsprogs
862 VERSION="$E2FSPROGS_VERSION"
863 VERSION=0.14.1
864 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [package name for gettext])
865 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [version for gettext])
866 AC_SUBST(GETTEXT_PACKAGE)
867 AC_SUBST(PACKAGE)
868 AC_SUBST(VERSION)
869
870 AM_GNU_GETTEXT
871 dnl
872 dnl End of configuration options
873 dnl
874 AC_SUBST(BINARY_TYPE)
875 AC_PROG_MAKE_SET
876 CHECK_GNU_MAKE
877 AC_PATH_PROG(LN, ln, ln)
878 AC_PROG_LN_S
879 AC_PATH_PROG(MV, mv, mv)
880 AC_PATH_PROG(CP, cp, cp)
881 AC_PATH_PROG(RM, rm, rm)
882 AC_PATH_PROG(CHMOD, chmod, :)
883 AC_PROG_AWK
884 AC_PROG_EGREP
885 AC_PATH_PROG(SED, sed, sed)
886 AC_PATH_PROG(PERL, perl, perl)
887 AC_PATH_PROG(LDCONFIG, ldconfig, :)
888 AC_CHECK_TOOL(AR, ar, ar)
889 AC_CHECK_TOOL(RANLIB, ranlib, :)
890 AC_CHECK_TOOL(STRIP, strip, :)
891 AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
892 if test "_$MAKEINFO" = "_"; then
893     MAKEINFO="@echo Makeinfo is missing. Info documentation will not be built.;true"
894 else
895     case "$MAKEINFO" in
896       */missing.*)
897         AC_MSG_WARN([
898 *** Makeinfo is missing. Info documentation will not be built.])
899         ;;
900       *)
901         ;;
902     esac
903 fi
904 AC_SUBST(MAKEINFO)
905 AC_PROG_INSTALL
906 # See if we need a separate native compiler.
907 if test $cross_compiling = no; then
908   BUILD_CC="$CC"
909   AC_SUBST(BUILD_CC)
910 else
911   AC_CHECK_PROGS(BUILD_CC, gcc cc)
912 fi
913 AC_CHECK_HEADERS(m4_flatten([
914         dirent.h
915         errno.h
916         execinfo.h
917         getopt.h
918         malloc.h
919         mntent.h
920         paths.h
921         semaphore.h
922         setjmp.h
923         signal.h
924         stdarg.h
925         stdint.h
926         stdlib.h
927         termios.h
928         termio.h
929         unistd.h
930         utime.h
931         attr/xattr.h
932         linux/falloc.h
933         linux/fd.h
934         linux/major.h
935         linux/loop.h
936         net/if_dl.h
937         netinet/in.h
938         sys/disklabel.h
939         sys/disk.h
940         sys/file.h
941         sys/ioctl.h
942         sys/mkdev.h
943         sys/mman.h
944         sys/mount.h
945         sys/prctl.h
946         sys/resource.h
947         sys/select.h
948         sys/socket.h
949         sys/sockio.h
950         sys/stat.h
951         sys/syscall.h
952         sys/sysmacros.h
953         sys/time.h
954         sys/types.h
955         sys/un.h
956         sys/wait.h
957 ]))
958 AC_CHECK_HEADERS(net/if.h,,,
959 [[
960 #if HAVE_SYS_TYPES_H
961 #include <sys/types.h>
962 #endif
963 #if HAVE_SYS_SOCKET
964 #include <sys/socket.h>
965 #endif
966 ]])
967 AC_FUNC_VPRINTF
968 dnl Check to see if dirent has member d_reclen. On cygwin those d_reclen
969 dnl is not decleared.
970 AC_CHECK_MEMBER(struct dirent.d_reclen,[AC_DEFINE(HAVE_RECLEN_DIRENT, 1,
971                        [Define to 1 if dirent has d_reclen])],,
972                 [#include <dirent.h>])
973 AC_CHECK_MEMBERS([struct stat.st_atim])
974 dnl Check to see if ssize_t was declared
975 AC_CHECK_TYPE(ssize_t,[AC_DEFINE(HAVE_TYPE_SSIZE_T, 1,
976                 [Define to 1 if ssize_t declared])],,
977               [#include <sys/types.h>])
978 dnl
979 dnl Check to see if llseek() is declared in unistd.h.  On some libc's 
980 dnl it is, and on others it isn't..... Thank you glibc developers....
981 dnl
982 AC_CHECK_DECL(llseek,[AC_DEFINE(HAVE_LLSEEK_PROTOTYPE, 1,
983                         [Define to 1 if llseek declared in unistd.h])],,
984               [#include <unistd.h>])
985 dnl
986 dnl Check to see if lseek64() is declared in unistd.h.  Glibc's header files
987 dnl are so convoluted that I can't tell whether it will always be defined,
988 dnl and if it isn't defined while lseek64 is defined in the library, 
989 dnl disaster will strike.  
990 dnl
991 dnl Warning!  Use of --enable-gcc-wall may throw off this test.
992 dnl
993 dnl
994 AC_CHECK_DECL(lseek64,[AC_DEFINE(HAVE_LSEEK64_PROTOTYPE, 1,
995                         [Define to 1 if lseek64 declared in unistd.h])],,
996                 [#define _LARGEFILE_SOURCE
997                  #define _LARGEFILE64_SOURCE
998                  #include <unistd.h>])
999 dnl
1000 dnl Word sizes...
1001 dnl
1002 AC_CHECK_SIZEOF(short)
1003 AC_CHECK_SIZEOF(int)
1004 AC_CHECK_SIZEOF(long)
1005 AC_CHECK_SIZEOF(long long)
1006 AC_CHECK_SIZEOF(off_t)
1007 SIZEOF_SHORT=$ac_cv_sizeof_short
1008 SIZEOF_INT=$ac_cv_sizeof_int
1009 SIZEOF_LONG=$ac_cv_sizeof_long
1010 SIZEOF_LONG_LONG=$ac_cv_sizeof_long_long
1011 SIZEOF_OFF_T=$ac_cv_sizeof_off_t
1012 AC_SUBST(SIZEOF_SHORT)
1013 AC_SUBST(SIZEOF_INT)
1014 AC_SUBST(SIZEOF_LONG)
1015 AC_SUBST(SIZEOF_LONG_LONG)
1016 AC_SUBST(SIZEOF_OFF_T)
1017 AC_C_BIGENDIAN
1018 if test $cross_compiling = no; then
1019   BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1020 else
1021   CROSS_COMPILE="1" BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1022 fi
1023 ASM_TYPES_HEADER=./asm_types.h
1024 AC_SUBST_FILE(ASM_TYPES_HEADER)
1025 dnl
1026 dnl Save the configuration #defines needed for the public ext2fs.h
1027 dnl header file
1028 dnl
1029 echo "/* These defines are needed for the public ext2fs.h header file */" \
1030      > public_config.h
1031 if grep HAVE_SYS_TYPES_H confdefs.h > tmp_config.$$; then
1032   uniq tmp_config.$$ >> public_config.h
1033 else
1034   echo "#undef HAVE_SYS_TYPES_H" >> public_config.h
1035 fi
1036 if grep WORDS_BIGENDIAN confdefs.h > tmp_config.$$; then
1037   uniq tmp_config.$$ >> public_config.h
1038 else
1039   echo "#undef WORDS_BIGENDIAN" >> public_config.h
1040 fi
1041 rm -f tmp_config.$$
1042 PUBLIC_CONFIG_HEADER=./public_config.h
1043 AC_SUBST_FILE(PUBLIC_CONFIG_HEADER)
1044 dnl
1045 dnl See if we have inttypes.h and if intptr_t is defined
1046 dnl
1047 AC_CHECK_HEADERS([inttypes.h])
1048 AC_CHECK_TYPES(intptr_t)
1049 dnl
1050 dnl See if struct stat has a st_flags field, in which case we can get file
1051 dnl flags somewhat portably.  Also check for the analogous setter, chflags().
1052 dnl
1053 AC_MSG_CHECKING(whether struct stat has a st_flags field)
1054 AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags,
1055         AC_TRY_COMPILE([#include <sys/stat.h>],
1056                 [struct stat stat; stat.st_flags = 0;],
1057                 [e2fsprogs_cv_struct_st_flags=yes],
1058                 [e2fsprogs_cv_struct_st_flags=no]))
1059 AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags)
1060 if test "$e2fsprogs_cv_struct_st_flags" = yes; then
1061   AC_MSG_CHECKING(whether st_flags field is useful)
1062   AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags_immut,
1063         AC_TRY_COMPILE([#include <sys/stat.h>],
1064                 [struct stat stat; stat.st_flags |= UF_IMMUTABLE;],
1065                 [e2fsprogs_cv_struct_st_flags_immut=yes],
1066                 [e2fsprogs_cv_struct_st_flags_immut=no]))
1067   AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags_immut)
1068   if test "$e2fsprogs_cv_struct_st_flags_immut" = yes; then
1069           AC_DEFINE(HAVE_STAT_FLAGS, 1,
1070                 [Define to 1 if struct stat has st_flags])
1071   fi
1072 fi
1073 dnl
1074 dnl Check for the presence of SA_LEN
1075 dnl
1076 AC_CHECK_MEMBER(struct sockaddr.sa_len,
1077                 AC_DEFINE_UNQUOTED(HAVE_SA_LEN,1,
1078                         [Define to 1 if if struct sockaddr contains sa_len]),,
1079         [#include <sys/types.h>
1080          #include <sys/socket.h>])
1081 dnl
1082 dnl This will add -lblkid to the AC_CHECK_FUNCS search if we are using
1083 dnl the system-provided blkid library
1084 dnl
1085 if test -n "$BLKID_CMT"; then
1086   AC_SEARCH_LIBS([blkid_probe_all], [blkid])
1087 fi
1088 dnl
1089 AC_CHECK_FUNCS(m4_flatten([
1090         __secure_getenv
1091         backtrace
1092         blkid_probe_get_topology
1093         blkid_probe_enable_partitions
1094         chflags
1095         fadvise64
1096         fallocate
1097         fallocate64
1098         fchown
1099         fdatasync
1100         fstat64
1101         ftruncate64
1102         futimes
1103         getcwd
1104         getdtablesize
1105         getmntinfo
1106         getpwuid_r
1107         getrlimit
1108         getrusage
1109         jrand48
1110         llistxattr
1111         llseek
1112         lseek64
1113         mallinfo
1114         mbstowcs
1115         memalign
1116         mempcpy
1117         mmap
1118         msync
1119         nanosleep
1120         open64
1121         pathconf
1122         posix_fadvise
1123         posix_fadvise64
1124         posix_memalign
1125         prctl
1126         pread
1127         pwrite
1128         pread64
1129         pwrite64
1130         secure_getenv
1131         setmntent
1132         setresgid
1133         setresuid
1134         snprintf
1135         srandom
1136         stpcpy
1137         strcasecmp
1138         strdup
1139         strnlen
1140         strptime
1141         strtoull
1142         sync_file_range
1143         sysconf
1144         usleep
1145         utime
1146         valloc
1147 ]))
1148 dnl
1149 dnl Check to see if -lsocket is required (solaris) to make something
1150 dnl that uses socket() to compile; this is needed for the UUID library
1151 dnl
1152 SOCKET_LIB=''
1153 AC_CHECK_LIB(socket, socket, [SOCKET_LIB=-lsocket])
1154 AC_SUBST(SOCKET_LIB)
1155 dnl
1156 dnl See if libmagic exists
1157 dnl
1158 AC_CHECK_LIB(magic, magic_file, [MAGIC_LIB=-lmagic
1159 AC_CHECK_HEADERS([magic.h])])
1160 if test "$ac_cv_lib_dl_dlopen" = yes ; then
1161    MAGIC_LIB=$DLOPEN_LIB
1162 fi
1163 AC_SUBST(MAGIC_LIB)
1164 dnl
1165 dnl See if optreset exists
1166 dnl
1167 AC_MSG_CHECKING(for optreset)
1168 AC_CACHE_VAL(ac_cv_have_optreset,
1169 [AC_EGREP_HEADER(optreset, unistd.h,
1170   ac_cv_have_optreset=yes, ac_cv_have_optreset=no)])dnl
1171 AC_MSG_RESULT($ac_cv_have_optreset)
1172 if test $ac_cv_have_optreset = yes; then
1173   AC_DEFINE(HAVE_OPTRESET, 1, [Define to 1 if optreset for getopt is present])
1174 fi
1175 dnl
1176 dnl Test for sem_init, and which library it might require:
1177 dnl
1178 AH_TEMPLATE([HAVE_SEM_INIT], [Define to 1 if sem_init() exists])
1179 SEM_INIT_LIB=''
1180 AC_CHECK_FUNC(sem_init, ,
1181   AC_CHECK_LIB(pthread, sem_init,
1182         AC_DEFINE(HAVE_SEM_INIT, 1)
1183         SEM_INIT_LIB=-lpthread,
1184   AC_CHECK_LIB(rt, sem_init,
1185         AC_DEFINE(HAVE_SEM_INIT, 1)
1186         SEM_INIT_LIB=-lrt,
1187   AC_CHECK_LIB(posix4, sem_init,
1188         AC_DEFINE(HAVE_SEM_INIT, 1)
1189         SEM_INIT_LIB=-lposix4))))dnl
1190 AC_SUBST(SEM_INIT_LIB)
1191 dnl
1192 dnl Check for unified diff
1193 dnl
1194 AC_MSG_CHECKING(for unified diff option)
1195 if diff -u $0 $0 > /dev/null 2>&1 ; then
1196    UNI_DIFF_OPTS=-u
1197 else
1198    UNI_DIFF_OPTS=-c
1199 fi
1200 AC_MSG_RESULT($UNI_DIFF_OPTS)
1201 AC_SUBST(UNI_DIFF_OPTS)
1202 dnl
1203 dnl We use the EXT2 ioctls only under Linux
1204 dnl
1205 case "$host_os" in
1206 linux*)
1207         AC_DEFINE(HAVE_EXT2_IOCTLS, 1, [Define to 1 if Ext2 ioctls present])
1208         ;;
1209 esac
1210 dnl
1211 dnl OS-specific uncomment control
1212 dnl
1213 LINUX_CMT="#"
1214 CYGWIN_CMT="#"
1215 UNIX_CMT=
1216 case "$host_os" in
1217 linux*)
1218         LINUX_CMT=
1219         ;;
1220 cygwin)
1221         CYGWIN_CMT=
1222         UNIX_CMT="#"
1223         ;;
1224 esac
1225 AC_SUBST(LINUX_CMT)
1226 AC_SUBST(CYGWIN_CMT)
1227 AC_SUBST(UNIX_CMT)
1228 dnl
1229 dnl Linux and Hurd places root files in the / by default
1230 dnl
1231 case "$host_os" in
1232 linux* | gnu* | k*bsd*-gnu)
1233         if test "$prefix" = NONE -a "$root_prefix" = NONE ; then
1234                 root_prefix="";
1235                 AC_MSG_RESULT([On $host_os systems, root_prefix defaults to ''])
1236         fi
1237         ;;
1238 esac
1239 dnl
1240 dnl On Linux/hurd, force the prefix to be /usr
1241 dnl
1242 case "$host_os" in
1243 linux* | gnu* | k*bsd*-gnu)
1244         if test "$prefix" = NONE ; then
1245                 prefix="/usr";
1246                 AC_MSG_RESULT([On $host_os systems, prefix defaults to /usr])
1247                 if test "$mandir" = '${prefix}/man' ; then
1248                         AC_MSG_RESULT([...and mandir defaults to /usr/share/man])
1249                         mandir=/usr/share/man
1250                 fi
1251         fi
1252 ;;
1253 esac
1254 if test "$root_prefix" = NONE ; then
1255         if test "$prefix" = NONE ; then
1256                 root_prefix="$ac_default_prefix"
1257         else
1258                 root_prefix="$prefix"
1259         fi
1260         root_bindir=$bindir
1261         root_sbindir=$sbindir
1262         root_libdir=$libdir
1263         root_sysconfdir=$sysconfdir
1264 else
1265         root_bindir='${root_prefix}/bin'
1266         root_sbindir='${root_prefix}/sbin'
1267         root_libdir='${root_prefix}/lib'
1268         root_sysconfdir='${root_prefix}/etc'
1269 fi
1270 if test "$bindir" != '${exec_prefix}/bin'; then
1271     root_bindir=$bindir
1272     AC_MSG_RESULT([Setting root_bindir to $root_bindir])
1273 fi
1274 if test "$sbindir" != '${exec_prefix}/sbin'; then
1275     root_sbindir=$sbindir
1276     AC_MSG_RESULT([Setting root_sbindir to $root_sbindir])
1277 fi
1278 if test "$libdir" != '${exec_prefix}/lib'; then
1279     root_libdir=$libdir
1280     AC_MSG_RESULT([Setting root_libdir to $root_libdir])
1281 fi
1282 if test "$sysconfdir" != '${prefix}/etc'; then
1283     root_sysconfdir=$sysconfdir
1284     AC_MSG_RESULT([Setting root_sysconfdir to $root_sysconfdir])
1285 fi
1286 AC_SUBST(root_prefix)
1287 AC_SUBST(root_bindir)
1288 AC_SUBST(root_sbindir)
1289 AC_SUBST(root_libdir)
1290 AC_SUBST(root_sysconfdir)
1291 dnl
1292 dnl Allow specification of the multiarch arch
1293 dnl
1294 AC_ARG_WITH([multiarch],
1295 [  --with-multiarch=ARCH specify the multiarch triplet],
1296 if test "$withval" = "lib64"; then
1297     libdir=/usr/lib64
1298     root_libdir=/lib64
1299 else
1300     libdir=$libdir/$withval
1301     root_libdir=$root_libdir/$withval
1302 fi
1303 )dnl
1304 dnl
1305 dnl See if -static works.  This could fail if the linker does not
1306 dnl support -static, or if required external libraries are not available
1307 dnl in static form.
1308 dnl
1309 AC_MSG_CHECKING([whether we can link with -static])
1310 AC_CACHE_VAL(ac_cv_e2fsprogs_use_static,
1311 [SAVE_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -static"
1312 AC_TRY_LINK([#include <stdio.h>],[fflush(stdout);],
1313  ac_cv_e2fsprogs_use_static=yes, ac_cv_e2fsprogs_use_static=no)
1314 LDFLAGS=$SAVE_LDFLAGS])
1315 dnl
1316 dnl Regardless of how the test turns out, Solaris doesn't handle -static
1317 dnl This is caused by the socket library requiring the nsl library, which
1318 dnl requires the -dl library, which only works for dynamically linked 
1319 dnl programs.  It basically means you can't have statically linked programs
1320 dnl which use the network under Solaris.  
1321 dnl
1322 case "$host_os" in
1323 solaris2.*)
1324         ac_cv_e2fsprogs_use_static=no   
1325 ;;
1326 esac
1327 AC_MSG_RESULT($ac_cv_e2fsprogs_use_static)
1328 LDFLAG_STATIC=
1329 if test $ac_cv_e2fsprogs_use_static = yes; then
1330         LDFLAG_STATIC=-static
1331 fi
1332 AC_SUBST(LDFLAG_STATIC)
1333 dnl
1334 dnl Work around mysterious Darwin / GNU libintl problem
1335 dnl (__asm__ redirection doesn't work for some mysterious reason.  Looks like
1336 dnl Apple hacked gcc somehow?)
1337 dnl
1338 case "$host_os" in
1339 darwin*)
1340         AC_MSG_RESULT([Using Apple Darwin / GNU libintl workaround])
1341         AC_DEFINE(_INTL_REDIRECT_MACROS, 1,
1342                 [Define to 1 if Apple Darwin libintl workaround is needed])
1343         ;;
1344 esac
1345 dnl
1346 dnl Make the ss and et directories work correctly.
1347 dnl
1348 SS_DIR=`cd ${srcdir}/lib/ss; pwd`
1349 ET_DIR=`cd ${srcdir}/lib/et; pwd`
1350 AC_SUBST(SS_DIR)
1351 AC_SUBST(ET_DIR)
1352 dnl
1353 dnl Only try to run the test suite if we're not cross compiling.
1354 dnl
1355 if test "$cross_compiling" = yes ; then
1356   DO_TEST_SUITE=
1357 else
1358   DO_TEST_SUITE=check
1359 fi
1360 AC_SUBST(DO_TEST_SUITE)
1361 dnl
1362 dnl Only include the intl include files if we're building with them
1363 dnl
1364 INCLUDES='-I. -I$(top_builddir)/lib -I$(top_srcdir)/lib'
1365 if test -n "$CPPFLAGS" ; then
1366         INCLUDES="$INCLUDES $CPPFLAGS"
1367 fi
1368 if test "$USE_INCLUDED_LIBINTL" = "yes" ; then
1369         INCLUDES=$INCLUDES' -I$(top_builddir)/intl -I$(top_srcdir)/intl'
1370 fi
1371 if test -n "$WITH_DIET_LIBC" ; then
1372         INCLUDES="$INCLUDES -D_REENTRANT"
1373 fi
1374 AC_SUBST(INCLUDES)
1375 AM_MKINSTALLDIRS
1376 dnl
1377 dnl Build CFLAGS
1378 dnl
1379 if test $cross_compiling = no; then
1380    BUILD_CFLAGS="$CFLAGS $CPPFLAGS $INCLUDES -DHAVE_CONFIG_H"
1381    BUILD_LDFLAGS="$LDFLAGS"
1382 fi
1383 AC_SUBST(BUILD_CFLAGS)
1384 AC_SUBST(BUILD_LDFLAGS)
1385 dnl
1386 dnl Make our output files, being sure that we create the some miscellaneous 
1387 dnl directories
1388 dnl
1389 test -d lib || mkdir lib
1390 test -d include || mkdir include
1391 test -d include/linux || mkdir include/linux
1392 test -d include/asm || mkdir include/asm
1393 for i in MCONFIG Makefile e2fsprogs.spec \
1394         util/Makefile util/subst.conf util/gen-tarball util/install-symlink \
1395         lib/et/Makefile lib/ss/Makefile lib/e2p/Makefile \
1396         lib/ext2fs/Makefile lib/ext2fs/ext2_types.h \
1397         lib/uuid/Makefile lib/uuid/uuid_types.h \
1398         lib/blkid/Makefile lib/blkid/blkid_types.h lib/quota/Makefile \
1399         lib/ss/ss.pc lib/uuid/uuid.pc lib/et/com_err.pc \
1400         lib/e2p/e2p.pc lib/blkid/blkid.pc lib/ext2fs/ext2fs.pc \
1401         misc/Makefile ext2ed/Makefile e2fsck/Makefile \
1402         debugfs/Makefile tests/Makefile tests/progs/Makefile \
1403         resize/Makefile doc/Makefile intl/Makefile \
1404         intl/libgnuintl.h po/Makefile.in ; do
1405         if test -d `dirname ${srcdir}/$i` ; then
1406                 outlist="$outlist $i"
1407         fi
1408 done
1409 AC_OUTPUT($outlist)
1410 if test -f util/gen-tarball; then chmod +x util/gen-tarball; fi