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[tools/e2fsprogs.git] / configure.ac
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 E2FSPROGS_DATE=`grep E2FSPROGS_DATE ${srcdir}/version.h | awk '{print $3}' \
15         | tr \" " " | awk '{print $1}'`
16 E2FSPROGS_DAY=$(echo $E2FSPROGS_DATE | awk -F- '{print $1}' | sed -e '/^[[1-9]]$/s/^/0/')
17 MONTH=`echo $E2FSPROGS_DATE | awk -F- '{print $2}'`
18 YEAR=`echo $E2FSPROGS_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.$date_spec"
52         ;;
53 *)
54         E2FSPROGS_PKGVER="$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}, ${E2FSPROGS_YEAR}])
61 AC_SUBST(E2FSPROGS_YEAR)
62 AC_SUBST(E2FSPROGS_MONTH)
63 AC_SUBST(E2FSPROGS_DAY)
64 AC_SUBST(E2FSPROGS_VERSION)
65 AC_SUBST(E2FSPROGS_PKGVER)
66 AC_SUBST(E2FSPROGS_DATE)
67 dnl
68 dnl Use diet libc
69 dnl 
70 WITH_DIET_LIBC=
71 AC_ARG_WITH([diet-libc],
72 [  --with-diet-libc        use diet libc],
73 CC="diet cc -nostdinc"
74 WITH_DIET_LIBC=yes
75 if test -z "$LIBS"
76 then
77         LIBS="-lcompat"
78 else
79         LIBS="$LIBS -lcompat"
80 fi
81 AC_MSG_RESULT(CC=$CC))dnl
82 dnl
83 AC_CANONICAL_HOST
84 dnl
85 dnl Check to see if libdl exists for the sake of dlopen
86 dnl
87 DLOPEN_LIB=''
88 AC_CHECK_LIB(dl, dlopen,DLOPEN_LIB=-ldl)
89 AC_SUBST(DLOPEN_LIB)
90 dnl
91 AC_ARG_WITH([cc],
92 AC_HELP_STRING([--with-cc],[no longer supported, use CC= instead]),
93 AC_MSG_ERROR([--with-cc no longer supported; use CC= instead]))
94 dnl
95 AC_ARG_WITH([ccopts],
96 AC_HELP_STRING([--with-ccopts],[no longer supported, use CFLAGS= instead]),
97 AC_MSG_ERROR([--with-ccopts no longer supported; use CFLAGS= instead]))
98 dnl
99 AC_ARG_WITH([ldopts],
100 AC_HELP_STRING([--with-ldopts],[no longer supported, use LDFLAGS= instead]),
101 AC_MSG_ERROR([--with-ldopts no longer supported; use LDFLAGS= instead]))
102 dnl
103 AC_PROG_CC
104 if test "$GCC" = yes; then
105    RDYNAMIC="-rdynamic"
106    AC_SUBST(RDYNAMIC)
107 fi
108 AC_PROG_CPP
109 dnl
110 dnl Alpha computers use fast and imprecise floating point code that may
111 dnl miss exceptions by default. Force sane options if we're using GCC.
112 AC_MSG_CHECKING(for additional special compiler flags)
113 if test "$GCC" = yes
114 then
115     case "$host_cpu" in
116         alpha)          addcflags="-mieee" ;;
117     esac
118 fi
119 if test "x$addcflags" != x
120 then
121     AC_MSG_RESULT($addcflags)
122     CFLAGS="$addcflags $CFLAGS"
123 else
124     AC_MSG_RESULT([[(none)]])
125 fi
126 AC_USE_SYSTEM_EXTENSIONS
127 dnl
128 dnl Set default values for library extensions.  Will be dealt with after
129 dnl parsing configuration options, which may modify these
130 dnl
131 LIB_EXT=.a
132 STATIC_LIB_EXT=.a
133 PROFILED_LIB_EXT=.a
134 dnl
135 dnl Allow separate `root_prefix' to be specified
136 dnl
137 AC_ARG_WITH([root-prefix],
138 [  --with-root-prefix=PREFIX override prefix variable for files to be placed in the root],
139 root_prefix=$withval,
140 root_prefix=NONE)dnl
141 dnl
142 dnl handle --enable-maintainer-mode
143 dnl
144 AC_ARG_ENABLE([maintainer-mode],
145 [  --enable-maintainer-mode enable makefile rules useful for maintainers],
146 if test "$enableval" = "no"
147 then
148         MAINTAINER_CMT=#
149         AC_MSG_RESULT([Disabling maintainer mode])
150 else
151         MAINTAINER_CMT=
152         AC_MSG_RESULT([Enabling maintainer mode])
153 fi
154 ,
155 MAINTAINER_CMT=#
156 AC_MSG_RESULT([Disabling maintainer mode by default])
157 )
158 AC_SUBST(MAINTAINER_CMT)
159 dnl
160 dnl handle --enable-symlink-install
161 dnl
162 AC_ARG_ENABLE([symlink-install],
163 [  --enable-symlink-install use symlinks when installing instead of hard links],
164 if test "$enableval" = "no"
165 then
166         LINK_INSTALL_FLAGS=-f
167         AC_MSG_RESULT([Disabling symlinks for install])
168 else
169         LINK_INSTALL_FLAGS=-sf
170         AC_MSG_RESULT([Enabling symlinks for install])
171 fi
172 ,
173 LINK_INSTALL_FLAGS=-f
174 AC_MSG_RESULT([Disabling symlinks for install by default])
175 )
176 AC_SUBST(LINK_INSTALL_FLAGS)
177 dnl
178 dnl handle --enable-relative-symlinks
179 dnl
180 relative_symlink_defined=
181 AC_ARG_ENABLE([relative-symlinks],
182 [  --enable-relative-symlinks use relative symlinks when installing],
183 if test "$enableval" = "no"
184 then
185         SYMLINK_RELATIVE=
186         relative_symlink_defined=yes
187         AC_MSG_RESULT([Disabling relative symlinks for install])
188 else
189         SYMLINK_RELATIVE=--relative
190         relative_symlink_defined=yes
191         AC_MSG_RESULT([Enabling relative symlinks for install])
192 fi)
193 AC_ARG_ENABLE([symlink-relative-symlinks],,
194 if test "$enableval" = "no"
195 then
196         SYMLINK_RELATIVE=yes
197         AC_MSG_RESULT([Disabling relative symlinks for install])
198 else
199         SYMLINK_RELATIVE=--relative
200         AC_MSG_RESULT([Enabling relative symlinks for install])
201 fi
202 ,
203 if test -z "$relative_symlink_defined"
204 then
205         SYMLINK_RELATIVE=
206 AC_MSG_RESULT([Disabling relative symlinks for install by default])
207 fi
208 )
209 AC_SUBST(SYMLINK_RELATIVE)
210 dnl
211 dnl handle --enable-symlink-build
212 dnl
213 AC_ARG_ENABLE([symlink-build],
214 [  --enable-symlink-build  use symlinks while building instead of hard links],
215 if test "$enableval" = "no"
216 then
217         LINK_BUILD_FLAGS=
218         AC_MSG_RESULT([Disabling symlinks for build])
219 else
220         LINK_BUILD_FLAGS=-s
221         AC_MSG_RESULT([Enabling symlinks for build])
222 fi
223 ,
224 LINK_BUILD_FLAGS=
225 AC_MSG_RESULT([Disabling symlinks for build by default])
226 )
227 AC_SUBST(LINK_BUILD_FLAGS)
228 dnl
229 dnl handle --enable-verbose-makecmds
230 dnl
231 AC_ARG_ENABLE([verbose-makecmds],
232 [  --enable-verbose-makecmds enable verbose make command output],
233 if test "$enableval" = "no"
234 then
235         AC_MSG_RESULT([Disabling verbose make commands])
236         E=@echo
237         ES=echo
238         Q=@
239 else
240         AC_MSG_RESULT([Enabling verbose make commands])
241         E=@\\#
242         ES=\\#
243         Q= 
244 fi
245 ,
246 AC_MSG_RESULT([Disabling verbose make commands])
247 E=@echo
248 ES=echo
249 Q=@
250 )
251 AC_SUBST(E)
252 AC_SUBST(ES)
253 AC_SUBST(Q)
254 dnl
255 dnl This needs to be before all of the --enable-*-shlibs options
256 dnl
257 E2_PKG_CONFIG_STATIC=--static
258 LDFLAG_DYNAMIC=
259 PRIVATE_LIBS_CMT=
260 dnl
261 dnl handle --enable-elf-shlibs
262 dnl
263 AC_ARG_ENABLE([elf-shlibs],
264 [  --enable-elf-shlibs    select ELF shared libraries],
265 if test "$enableval" = "no"
266 then
267         ELF_CMT=#
268         MAKEFILE_ELF=/dev/null
269         AC_MSG_RESULT([Disabling ELF shared libraries])
270 else
271         E2_PKG_CONFIG_STATIC=
272         ELF_CMT=
273         MAKEFILE_ELF=$srcdir/lib/Makefile.elf-lib
274         [case "$host_os" in
275         solaris2.*)
276                 MAKEFILE_ELF=$srcdir/lib/Makefile.solaris-lib
277         ;;
278         esac]
279         BINARY_TYPE=elfbin
280         LIB_EXT=.so
281         PRIVATE_LIBS_CMT=#
282         LDFLAG_DYNAMIC=['-Wl,-rpath-link,$(top_builddir)/lib']
283         AC_MSG_RESULT([Enabling ELF shared libraries])
284 fi
285 ,
286 MAKEFILE_ELF=/dev/null
287 ELF_CMT=#
288 AC_MSG_RESULT([Disabling ELF shared libraries by default])
289 )
290 AC_SUBST(ELF_CMT)
291 AC_SUBST_FILE(MAKEFILE_ELF)
292 dnl
293 dnl handle --enable-bsd-shlibs
294 dnl
295 AC_ARG_ENABLE([bsd-shlibs],
296 [  --enable-bsd-shlibs    select BSD shared libraries],
297 if test "$enableval" = "no"
298 then
299         BSDLIB_CMT=#
300         MAKEFILE_BSDLIB=/dev/null
301         AC_MSG_RESULT([Disabling BSD shared libraries])
302 else
303         E2_PKG_CONFIG_STATIC=
304         BSDLIB_CMT=
305         MAKEFILE_BSDLIB=$srcdir/lib/Makefile.bsd-lib
306         LIB_EXT=.so
307         [case "$host_os" in
308         darwin*)
309                 MAKEFILE_BSDLIB=$srcdir/lib/Makefile.darwin-lib
310                 LIB_EXT=.dylib
311         ;;
312         esac]
313         AC_MSG_RESULT([Enabling BSD shared libraries])
314 fi
315 ,
316 MAKEFILE_BSDLIB=/dev/null
317 BSDLIB_CMT=#
318 AC_MSG_RESULT([Disabling BSD shared libraries by default])
319 )
320 AC_SUBST(BSDLIB_CMT)
321 AC_SUBST_FILE(MAKEFILE_BSDLIB)
322 dnl
323 dnl handle --enable-profile
324 dnl
325 AC_ARG_ENABLE([profile],
326 [  --enable-profile       build profiling libraries],
327 if test "$enableval" = "no"
328 then
329         PROFILE_CMT=#
330         MAKEFILE_PROFILE=/dev/null
331         AC_MSG_RESULT([Disabling profiling libraries])
332 else
333         PROFILE_CMT=
334         MAKEFILE_PROFILE=$srcdir/lib/Makefile.profile
335         PROFILED_LIB_EXT=_p.a
336         AC_MSG_RESULT([Building profiling libraries])
337 fi
338 ,
339 PROFILE_CMT=#
340 MAKEFILE_PROFILE=/dev/null
341 AC_MSG_RESULT([Disabling profiling libraries by default])
342 )
343 AC_SUBST(PROFILE_CMT)
344 AC_SUBST_FILE(MAKEFILE_PROFILE)
345 dnl
346 dnl handle --enable-gcov
347 dnl
348 AC_ARG_ENABLE([gcov],
349 [  --enable-gcov                  build for coverage testing using gcov],
350 if test "$enableval" = "yes"
351 then
352         CFLAGS="-g -fprofile-arcs -ftest-coverage"
353         LDFLAGS="-fprofile-arcs -ftest-coverage"
354         AC_MSG_RESULT([Enabling gcov support])
355 fi
356 )
357 dnl
358 dnl handle --enable-hardening
359 dnl
360 CFLAGS_SHLIB="${CFLAGS_SHLIB:-$CFLAGS}"
361 CFLAGS_STLIB="${CFLAGS_STLIB:-$CFLAGS}"
362 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
363 LDFLAGS_STATIC=${LDFLAGS_STATIC:-$LDFLAGS}
364 AC_ARG_ENABLE([hardening],
365 [  --enable-hardening             build for coverage testing using gcov],
366 if test "$enableval" = "yes"
367 then
368         HARDEN_CFLAGS="-D_FORTIFY_SOURCE=2 -fstack-protector-strong"
369         HARDEN_LDFLAGS=["-Wl,-z,relro -Wl,-z,now"]
370         CFLAGS="$CFLAGS $HARDEN_CFLAGS -fPIE"
371         CFLAGS_SHLIB="$CFLAGS_SHLIB $HARDEN_CFLAGS"
372         CFLAGS_STLIB="$CFLAGS_STLIB $HARDEN_CFLAGS -fPIE"
373         LDFLAGS="$LDFLAGS $HARDEN_LDFLAGS -fPIE -pie"
374         LDFLAGS_STATIC="$LDFLAGS_STATIC $HARDEN_LDFLAGS"
375         LDFLAGS_SHLIB="$LDFLAGS_SHLIB $HARDEN_LDFLAGS"
376         AC_MSG_RESULT([Enabling hardening support])
377 fi
378 )
379 dnl
380 dnl Substitute library extensions
381 dnl
382 AC_SUBST(LIB_EXT)
383 AC_SUBST(STATIC_LIB_EXT)
384 AC_SUBST(PROFILED_LIB_EXT)
385 AC_SUBST(LDFLAG_DYNAMIC)
386 AC_SUBST(PRIVATE_LIBS_CMT)
387 dnl
388 dnl handle --enable-jbd-debug
389 dnl
390 AC_ARG_ENABLE([jbd-debug],
391 [  --enable-jbd-debug     enable journal debugging],
392 if test "$enableval" = "no"
393 then
394         AC_MSG_RESULT([Disabling journal debugging])
395 else
396         AC_DEFINE(CONFIG_JBD_DEBUG, 1,
397                 [Define to 1 if debugging ext3/4 journal code])
398         AC_MSG_RESULT([Enabling journal debugging])
399 fi
400 ,
401 AC_MSG_RESULT([Disabling journal debugging by default])
402 )
403 dnl
404 dnl handle --enable-blkid-debug
405 dnl
406 AC_ARG_ENABLE([blkid-debug],
407 [  --enable-blkid-debug    enable blkid debugging],
408 if test "$enableval" = "no"
409 then
410         AC_MSG_RESULT([Disabling blkid debugging])
411 else
412         AC_DEFINE(CONFIG_BLKID_DEBUG, 1,
413                 [Define to 1 if debugging the blkid library])
414         AC_MSG_RESULT([Enabling blkid debugging])
415 fi
416 ,
417 AC_MSG_RESULT([Disabling blkid debugging by default])
418 )
419 dnl
420 dnl handle --enable-testio-debug
421 dnl
422 AC_ARG_ENABLE([testio-debug],
423 [  --disable-testio-debug  disable the use of the test I/O manager for debugging],
424 AH_TEMPLATE([CONFIG_TESTIO_DEBUG],
425         [Define to 1 if the testio I/O manager should be enabled])
426 if test "$enableval" = "no"
427 then
428         AC_MSG_RESULT([Disabling testio debugging])
429         TEST_IO_CMT="#"
430 else
431         TEST_IO_CMT=
432         AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
433         AC_MSG_RESULT([Enabling testio debugging])
434 fi
435 ,
436 AC_MSG_RESULT([Enabling testio debugging by default])
437 AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
438 TEST_IO_CMT=
439 )
440 AC_SUBST(TEST_IO_CMT)
441 dnl
442 dnl handle --enable-developer-features
443 dnl
444 AC_ARG_ENABLE([developer-features],
445 [  --enable-developer-features  enable features for use by ext4 developers],
446 AH_TEMPLATE([CONFIG_DEVELOPER_FEATURES],
447         [Define to 1 for features for use by ext4 developers])
448 if test "$enableval" = "yes"
449 then
450         DEV_FEATURES_CMT=
451         AC_DEFINE(CONFIG_DEVELOPER_FEATURES, 1)
452         AC_MSG_RESULT([Enabling ext4 developer features])
453 else
454         AC_MSG_RESULT([Disabling ext4 developer features])
455         DEV_FEATURES_CMT="#"
456 fi
457 ,
458 AC_MSG_RESULT([Disabling ext4 developer features by default])
459 DEV_FEATURES_CMT=
460 )
461 AC_SUBST(DEV_FEATURES_CMT)
462 dnl
463 dnl handle --disable-libuuid
464 dnl
465 PKG_PROG_PKG_CONFIG
466 LIBUUID=
467 DEPLIBUUID=
468 STATIC_LIBUUID=
469 DEPSTATIC_LIBUUID=
470 PROFILED_LIBUUID=
471 DEPPROFILED_LIBUUID=
472 UUID_CMT=
473 AC_ARG_ENABLE([libuuid],
474 [  --enable-libuuid       build and use private uuid library],
475 if test "$enableval" = "no"
476 then
477         if test -z "$PKG_CONFIG"; then
478                 AC_MSG_ERROR([pkg-config not installed; please install it.])
479         fi
480
481         AC_CHECK_LIB(uuid, uuid_generate,
482                 [LIBUUID=`$PKG_CONFIG --libs uuid`;
483                  STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`],
484                 [AC_MSG_ERROR([external uuid library not found])])
485         PROFILED_LIBUUID=$LIBUUID
486         UUID_CMT=#
487         AC_MSG_RESULT([Disabling private uuid library])
488 else
489         LIBUUID='$(LIB)/libuuid'$LIB_EXT
490         DEPLIBUUID=$LIBUUID
491         STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
492         DEPSTATIC_LIBUUID=$STATIC_LIBUUID
493         PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
494         DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
495         AC_MSG_RESULT([Enabling private uuid library])
496 fi
497 ,
498 if test -n "$PKG_CONFIG"; then
499         AC_CHECK_LIB(uuid, uuid_generate,
500                 [LIBUUID=`$PKG_CONFIG --libs uuid`;
501                  STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`])
502 fi
503 if test -n "$LIBUUID"; then
504         PROFILED_LIBUUID=$LIBUUID
505         UUID_CMT=#
506         AC_MSG_RESULT([Using system uuid by default])
507 else
508         LIBUUID='$(LIB)/libuuid'$LIB_EXT
509         DEPLIBUUID=$LIBUUID
510         STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
511         DEPSTATIC_LIBUUID=$STATIC_LIBUUID
512         PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
513         DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
514         AC_MSG_RESULT([Enabling private uuid library by default])
515 fi
516 )
517 AC_SUBST(LIBUUID)
518 AC_SUBST(DEPLIBUUID)
519 AC_SUBST(STATIC_LIBUUID)
520 AC_SUBST(DEPSTATIC_LIBUUID)
521 AC_SUBST(PROFILED_LIBUUID)
522 AC_SUBST(DEPPROFILED_LIBUUID)
523 AC_SUBST(UUID_CMT)
524 dnl
525 dnl handle --disable-libblkid
526 dnl
527 PKG_PROG_PKG_CONFIG
528 LIBBLKID=
529 DEPLIBBLKID=
530 STATIC_LIBBLKID=
531 DEPSTATIC_LIBBLKID=
532 PROFILED_LIBBLKID=
533 DEPPROFILED_LIBBLKID=
534 BLKID_CMT=
535 AH_TEMPLATE([CONFIG_BUILD_FINDFS], [Define to 1 to compile findfs])
536 AC_ARG_ENABLE([libblkid],
537 [  --enable-libblkid      build and use private blkid library],
538 if test "$enableval" = "no"
539 then
540         if test -z "$PKG_CONFIG"; then
541                 AC_MSG_ERROR([pkg-config not installed; please install it.])
542         fi
543
544         AC_CHECK_LIB(blkid, blkid_get_cache,
545                 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
546                  STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`],
547                 [AC_MSG_ERROR([external blkid library not found])], -luuid)
548         BLKID_CMT=#
549         PROFILED_LIBBLKID=$LIBBLKID
550         AC_MSG_RESULT([Disabling private blkid library])
551 else
552         LIBBLKID='$(LIB)/libblkid'$LIB_EXT
553         DEPLIBBLKID=$LIBBLKID
554         STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
555         DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
556         PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
557         DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
558         AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
559         AC_MSG_RESULT([Enabling private blkid library])
560 fi
561 ,
562 if test -n "$PKG_CONFIG"; then
563         AC_CHECK_LIB(blkid, blkid_get_cache,
564                 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
565                  STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`])
566 fi
567 if test -n "$LIBBLKID"; then
568         BLKID_CMT=#
569         PROFILED_LIBBLKID=$LIBBLKID
570         AC_MSG_RESULT([Using system blkid library by default])
571 else
572         LIBBLKID='$(LIB)/libblkid'$LIB_EXT
573         DEPLIBBLKID=$LIBBLKID
574         STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
575         DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
576         PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
577         DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
578         AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
579         AC_MSG_RESULT([Enabling private blkid library by default])
580 fi
581 )
582 AC_SUBST(LIBBLKID)
583 AC_SUBST(DEPLIBBLKID)
584 AC_SUBST(STATIC_LIBBLKID)
585 AC_SUBST(DEPSTATIC_LIBBLKID)
586 AC_SUBST(PROFILED_LIBBLKID)
587 AC_SUBST(DEPPROFILED_LIBBLKID)
588 AC_SUBST(BLKID_CMT)
589 dnl
590 dnl handle --enable-subset
591 dnl
592 ALL_CMT=
593 SUBSET_CMT=
594 AC_ARG_ENABLE([subset],
595 [  --enable-subset        enable subset-only build],
596 if test "$enableval" = "no"
597 then
598         SUBSET_CMT=#
599         AC_MSG_RESULT([Disabling subset-only build])
600 else
601         ALL_CMT=#
602         AC_MSG_RESULT([Enabling subset-only-build])
603 fi
604 ,)
605 AC_SUBST(ALL_CMT)
606 AC_SUBST(SUBSET_CMT)
607 dnl
608 dnl handle --disable-backtrace
609 dnl
610 AH_TEMPLATE([DISABLE_BACKTRACE], [Define to 1 to disable use of backtrace])
611 AC_ARG_ENABLE([backtrace],
612 [  --disable-backtrace    disable use backtrace],
613 if test "$enableval" = "no"
614 then
615         AC_MSG_RESULT([Disabling use of backtrace])
616         AC_DEFINE(DISABLE_BACKTRACE, 1)
617 else
618         AC_MSG_RESULT([Enabling use of backtrace])
619 fi
620 ,
621 AC_MSG_RESULT([Enabling use of backtrace by default])
622 )
623 dnl
624 dnl handle --enable-debugfs
625 dnl
626 AC_ARG_ENABLE([debugfs],
627 [  --disable-debugfs      disable support of debugfs program],
628 if test "$enableval" = "no"
629 then
630         AC_MSG_RESULT([Disabling debugfs support])
631         DEBUGFS_CMT="#"
632 else
633         DEBUGFS_CMT=
634         AC_MSG_RESULT([Enabling debugfs support])
635 fi
636 ,
637 AC_MSG_RESULT([Enabling debugfs support by default])
638 DEBUGFS_CMT=
639 )
640 AC_SUBST(DEBUGFS_CMT)
641 dnl
642 dnl handle --enable-imager
643 dnl
644 AC_ARG_ENABLE([imager],
645 [  --disable-imager       disable support of e2image program],
646 if test "$enableval" = "no"
647 then
648         AC_MSG_RESULT([Disabling e2image support])
649         IMAGER_CMT="#"
650 else
651         IMAGER_CMT=
652         AC_MSG_RESULT([Enabling e2image support])
653 fi
654 ,
655 AC_MSG_RESULT([Enabling e2image support by default])
656 IMAGER_CMT=
657 )
658 AC_SUBST(IMAGER_CMT)
659 dnl
660 dnl handle --enable-resizer
661 dnl
662 AC_ARG_ENABLE([resizer],
663 [  --disable-resizer      disable support of e2resize program],
664 if test "$enableval" = "no"
665 then
666         AC_MSG_RESULT([Disabling e2resize support])
667         RESIZER_CMT="#"
668 else
669         RESIZER_CMT=
670         AC_MSG_RESULT([Enabling e2resize support])
671 fi
672 ,
673 AC_MSG_RESULT([Enabling e2resize support by default])
674 RESIZER_CMT=
675 )
676 AC_SUBST(RESIZER_CMT)
677 dnl
678 dnl handle --enable-defrag
679 dnl
680 AC_ARG_ENABLE([defrag],
681 [  --disable-defrag       disable support of e4defrag program],
682 if test "$enableval" = "no"
683 then
684         AC_MSG_RESULT([Disabling e4defrag support])
685         DEFRAG_CMT="#"
686 else
687         DEFRAG_CMT=
688         AC_MSG_RESULT([Enabling e4defrag support])
689 fi
690 ,
691 if test -z "$WITH_DIET_LIBC"
692 then
693         AC_MSG_RESULT([Enabling e4defrag support by default])
694         DEFRAG_CMT=
695 else
696         AC_MSG_RESULT([Disabling e4defrag support by default])
697         DEFRAG_CMT="#"
698 fi
699 )
700 AC_SUBST(DEFRAG_CMT)
701 dnl
702 dnl See whether to install the `fsck' wrapper program (that calls e2fsck)
703 dnl
704 AC_ARG_ENABLE([fsck],
705 [  --enable-fsck           build fsck wrapper program],
706 [if test "$enableval" = "no"
707 then
708         FSCK_PROG='' FSCK_MAN=''
709         AC_MSG_RESULT([Not building fsck wrapper])
710 else
711         FSCK_PROG=fsck FSCK_MAN=fsck.8
712         AC_MSG_RESULT([Building fsck wrapper])
713 fi]
714 ,
715 [case "$host_os" in
716   gnu*)
717     FSCK_PROG='' FSCK_MAN=''
718     AC_MSG_RESULT([Not building fsck wrapper by default])
719     ;;
720   *)
721     FSCK_PROG=fsck FSCK_MAN=fsck.8
722     AC_MSG_RESULT([Building fsck wrapper by default])
723 esac]
724 )
725 AC_SUBST(FSCK_PROG)
726 AC_SUBST(FSCK_MAN)
727 dnl
728 dnl See whether to install the `e2initrd-helper' program
729 dnl
730 AC_ARG_ENABLE([e2initrd-helper],
731 [  --enable-e2initrd-helper build e2initrd-helper program],
732 [if test "$enableval" = "no"
733 then
734         E2INITRD_PROG='' E2INITRD_MAN=''
735         AC_MSG_RESULT([Not building e2initrd helper])
736 else
737         E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
738         AC_MSG_RESULT([Building e2initrd helper])
739 fi]
740 ,
741 E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
742 AC_MSG_RESULT([Building e2initrd helper by default])
743 )
744 AC_SUBST(E2INITRD_PROG)
745 AC_SUBST(E2INITRD_MAN)
746 dnl
747 dnl
748 dnl
749 AC_ARG_ENABLE([tls],
750 [  --disable-tls           disable use of thread local support],
751 [if test "$enableval" = "no"
752 then
753         try_tls=""
754         AC_MSG_RESULT([Disabling thread local support])
755 else
756         try_tls="yes"
757         AC_MSG_RESULT([Enabling thread local support])
758 fi]
759 ,
760 if test -n "$WITH_DIET_LIBC"
761 then
762         try_tls=""
763         AC_MSG_RESULT([Diet libc does not support thread local support])
764 else
765         try_tls="yes"
766         AC_MSG_RESULT([Try using thread local support by default])
767 fi
768 )
769 if test "$try_tls" = "yes"
770 then
771 AX_TLS
772 fi
773 dnl
774 dnl
775 dnl
776 AC_ARG_WITH([pthread],
777 [  --without-pthread       disable use of pthread support],
778 [if test "$withval" = "no"
779 then
780         try_pthread=""
781         AC_MSG_RESULT([Disabling pthread support])
782 else
783         try_pthread="yes"
784         AC_MSG_RESULT([Testing for pthread support])
785 fi]
786 ,
787 try_pthread="yes"
788 AC_MSG_RESULT([Try testing for pthread support by default])
789 )
790 if test "$try_pthread" = "yes"
791 then
792 AX_PTHREAD
793 else
794 test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
795 AC_SUBST([PTHREAD_CC])
796 fi
797 dnl
798 dnl
799 dnl
800 AH_TEMPLATE([USE_UUIDD], [Define to 1 to build uuidd])
801 AC_ARG_ENABLE([uuidd],
802 [  --disable-uuidd         disable building the uuid daemon],
803 [if test "$enableval" = "no"
804 then
805         AC_MSG_RESULT([Not building uuidd])
806         UUIDD_CMT="#"
807 else
808         AC_DEFINE(USE_UUIDD, 1)
809         UUIDD_CMT=""
810         AC_MSG_RESULT([Building uuidd])
811 fi]
812 ,
813 AC_DEFINE(USE_UUIDD, 1)
814 if test -z "$UUID_CMT"
815 then
816         UUIDD_CMT=""
817         AC_MSG_RESULT([Building uuidd by default])
818 else
819         UUIDD_CMT="#"
820         AC_MSG_RESULT([Disabling uuidd by default])
821 fi
822 )
823 AC_SUBST(UUIDD_CMT)
824 dnl
825 dnl handle --disable-mmp
826 dnl
827 AH_TEMPLATE([CONFIG_MMP], [Define to 1 to enable mmp support])
828 AC_ARG_ENABLE([mmp],
829 [  --disable-mmp           disable support mmp, Multi Mount Protection],
830 if test "$enableval" = "no"
831 then
832         AC_MSG_RESULT([Disabling mmp support])
833 else
834         AC_MSG_RESULT([Enabling mmp support])
835         AC_DEFINE(CONFIG_MMP, 1)
836 fi
837 ,
838 AC_MSG_RESULT([Enabling mmp support by default])
839 AC_DEFINE(CONFIG_MMP, 1)
840 )
841 dnl
842 dnl handle --disable-tdb
843 dnl
844 AH_TEMPLATE([CONFIG_TDB], [Define to 1 to enable tdb support])
845 AC_ARG_ENABLE([tdb],
846 [  --disable-tdb           disable tdb support],
847 if test "$enableval" = "no"
848 then
849         AC_MSG_RESULT([Disabling tdb support])
850         TDB_CMT="#"
851         TDB_MAN_COMMENT='.\"'
852 else
853         AC_MSG_RESULT([Enabling tdb support])
854         AC_DEFINE(CONFIG_TDB, 1)
855         TDB_CMT=""
856         TDB_MAN_COMMENT=""
857 fi
858 ,
859 AC_MSG_RESULT([Enabling mmp support by default])
860 AC_DEFINE(CONFIG_TDB, 1)
861 TDB_CMT=""
862 TDB_MAN_COMMENT=""
863 )
864 AC_SUBST(TDB_CMT)
865 AC_SUBST(TDB_MAN_COMMENT)
866 dnl
867 dnl handle --disable-bmap-stats
868 dnl
869 AH_TEMPLATE([ENABLE_BMAP_STATS], [Define to 1 to enable bitmap stats.])
870 AC_ARG_ENABLE([bmap-stats],
871 [  --disable-bmap-stats    disable collection of bitmap stats.],
872 if test "$enableval" = "no"
873 then
874         AC_MSG_RESULT([Disabling bitmap statistics support])
875 else
876         AC_MSG_RESULT([Enabling bitmap statistics support])
877         AC_DEFINE(ENABLE_BMAP_STATS, 1)
878 fi
879 ,
880 AC_MSG_RESULT([Enabling bitmap statistics support by default])
881 AC_DEFINE(ENABLE_BMAP_STATS, 1)
882 )
883 dnl
884 dnl handle --enable-bmap-stats-ops
885 dnl
886 AH_TEMPLATE([ENABLE_BMAP_STATS_OPS], [Define to 1 to enable bitmap stats.])
887 AC_ARG_ENABLE([bmap-stats-ops],
888 [  --enable-bmap-stats-ops enable collection of additional bitmap stats],
889 if test "$enableval" = "no"
890 then
891         AC_MSG_RESULT([Disabling additional bitmap statistics])
892 else
893         dnl There has to be a better way!
894         AS_IF([test "x${enable_bmap_stats}" = "xno"],
895          AC_MSG_FAILURE([Error --enable-bmap-stats-ops requires bmap-stats]))
896
897         AC_MSG_RESULT([Enabling additional bitmap statistics])
898         AC_DEFINE(ENABLE_BMAP_STATS_OPS, 1)
899 fi
900 ,
901 AC_MSG_RESULT([Disabling additional bitmap statistics by default])
902 )
903 dnl
904 dnl
905 dnl
906 MAKEFILE_LIBRARY=$srcdir/lib/Makefile.library
907 AC_SUBST_FILE(MAKEFILE_LIBRARY)
908 dnl
909 dnl Add internationalization support, using gettext.
910 dnl
911 GETTEXT_PACKAGE=e2fsprogs
912 PACKAGE=e2fsprogs
913 VERSION="$E2FSPROGS_VERSION"
914 VERSION=0.14.1
915 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [package name for gettext])
916 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [version for gettext])
917 AC_SUBST(GETTEXT_PACKAGE)
918 AC_SUBST(PACKAGE)
919 AC_SUBST(VERSION)
920
921 AM_GNU_GETTEXT([external])
922 dnl
923 dnl End of configuration options
924 dnl
925 AC_SUBST(BINARY_TYPE)
926 AC_PROG_MAKE_SET
927 CHECK_GNU_MAKE
928 AC_PATH_PROG(LN, ln, ln)
929 AC_PROG_MKDIR_P
930 dnl
931 dnl @mkdir_p@ is used by po's Makefile.in
932 dnl
933 mkdir_p=$MKDIR_P
934 AC_SUBST(mkdir_p)
935 AC_PROG_LN_S
936 AC_PATH_PROG(MV, mv, mv)
937 AC_PATH_PROG(CP, cp, cp)
938 AC_PATH_PROG(RM, rm, rm)
939 AC_PATH_PROG(CHMOD, chmod, :)
940 AC_PROG_AWK
941 AC_PROG_EGREP
942 AC_PATH_PROG(SED, sed, sed)
943 AC_PATH_PROG(PERL, perl, perl)
944 AC_PATH_PROG(LDCONFIG, ldconfig, :)
945 AC_CHECK_TOOL(AR, ar, ar)
946 AC_CHECK_TOOL(RANLIB, ranlib, :)
947 AC_CHECK_TOOL(STRIP, strip, :)
948 AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
949 if test "_$MAKEINFO" = "_"; then
950     MAKEINFO="echo Makeinfo is missing. Info documentation will not be built."
951 else
952     case "$MAKEINFO" in
953       */missing.*)
954         AC_MSG_WARN([
955 *** Makeinfo is missing. Info documentation will not be built.])
956         ;;
957       *)
958         ;;
959     esac
960 fi
961 AC_SUBST(MAKEINFO)
962 AC_PROG_INSTALL
963 # See if we need a separate native compiler.
964 if test $cross_compiling = no; then
965   BUILD_CC="$CC"
966   AC_SUBST(BUILD_CC)
967 else
968   AC_CHECK_PROGS(BUILD_CC, gcc cc)
969 fi
970 AC_CHECK_HEADERS(m4_flatten([
971         dirent.h
972         errno.h
973         execinfo.h
974         getopt.h
975         malloc.h
976         mntent.h
977         paths.h
978         semaphore.h
979         setjmp.h
980         signal.h
981         stdarg.h
982         stdint.h
983         stdlib.h
984         termios.h
985         termio.h
986         unistd.h
987         utime.h
988         attr/xattr.h
989         linux/falloc.h
990         linux/fd.h
991         linux/fsmap.h
992         linux/major.h
993         linux/loop.h
994         linux/types.h
995         net/if_dl.h
996         netinet/in.h
997         sys/acl.h
998         sys/disklabel.h
999         sys/disk.h
1000         sys/file.h
1001         sys/ioctl.h
1002         sys/key.h
1003         sys/mkdev.h
1004         sys/mman.h
1005         sys/mount.h
1006         sys/prctl.h
1007         sys/resource.h
1008         sys/select.h
1009         sys/socket.h
1010         sys/sockio.h
1011         sys/stat.h
1012         sys/syscall.h
1013         sys/sysmacros.h
1014         sys/time.h
1015         sys/types.h
1016         sys/un.h
1017         sys/wait.h
1018         sys/xattr.h
1019 ]))
1020 dnl Check where to find a dd(1) that supports iflag=fullblock
1021 dnl and oflag=append
1022 AC_MSG_CHECKING([for a dd(1) program that supports iflag=fullblock])
1023 DD=
1024 for i in dd gdd ; do
1025         if "$i" if=/dev/null of=/dev/null count=1 bs=10k 2>/dev/null iflag=fullblock oflag=append ; then
1026                 DD=$i
1027                 break
1028         fi
1029 done
1030 if test -n "$DD" ; then
1031         AC_MSG_RESULT([$DD])
1032 else
1033         AC_MSG_RESULT([not found, using dd])
1034         DD=dd
1035         AC_MSG_WARN([No GNU-compatible dd(1) program found, expect some self-test failures.])
1036 fi
1037 AC_SUBST([DD])
1038
1039 AC_CHECK_HEADERS(net/if.h,,,
1040 [[
1041 #if HAVE_SYS_TYPES_H
1042 #include <sys/types.h>
1043 #endif
1044 #if HAVE_SYS_SOCKET
1045 #include <sys/socket.h>
1046 #endif
1047 ]])
1048 AC_FUNC_VPRINTF
1049 dnl Check to see if dirent has member d_reclen. On cygwin those d_reclen
1050 dnl is not declared.
1051 AC_CHECK_MEMBER(struct dirent.d_reclen,[AC_DEFINE(HAVE_RECLEN_DIRENT, 1,
1052                        [Define to 1 if dirent has d_reclen])],,
1053                 [#include <dirent.h>])
1054 AC_CHECK_MEMBERS([struct stat.st_atim])
1055 dnl Check to see if ssize_t was declared
1056 AC_CHECK_TYPE(ssize_t,[AC_DEFINE(HAVE_TYPE_SSIZE_T, 1,
1057                 [Define to 1 if ssize_t declared])],,
1058               [#include <sys/types.h>])
1059 dnl
1060 dnl Check to see if llseek() is declared in unistd.h.  On some libc's 
1061 dnl it is, and on others it isn't..... Thank you glibc developers....
1062 dnl
1063 AC_CHECK_DECL(llseek,[AC_DEFINE(HAVE_LLSEEK_PROTOTYPE, 1,
1064                         [Define to 1 if llseek declared in unistd.h])],,
1065               [#include <unistd.h>])
1066 dnl
1067 dnl Check to see if lseek64() is declared in unistd.h.  Glibc's header files
1068 dnl are so convoluted that I can't tell whether it will always be defined,
1069 dnl and if it isn't defined while lseek64 is defined in the library, 
1070 dnl disaster will strike.  
1071 dnl
1072 dnl Warning!  Use of --enable-gcc-wall may throw off this test.
1073 dnl
1074 dnl
1075 AC_CHECK_DECL(lseek64,[AC_DEFINE(HAVE_LSEEK64_PROTOTYPE, 1,
1076                         [Define to 1 if lseek64 declared in unistd.h])],,
1077                 [#define _LARGEFILE_SOURCE
1078                  #define _LARGEFILE64_SOURCE
1079                  #include <unistd.h>])
1080 dnl
1081 dnl Word sizes...
1082 dnl
1083 AC_CHECK_SIZEOF(short)
1084 AC_CHECK_SIZEOF(int)
1085 AC_CHECK_SIZEOF(long)
1086 AC_CHECK_SIZEOF(long long)
1087 AC_CHECK_SIZEOF(off_t)
1088 AC_CHECK_SIZEOF(time_t)
1089 SIZEOF_SHORT=$ac_cv_sizeof_short
1090 SIZEOF_INT=$ac_cv_sizeof_int
1091 SIZEOF_LONG=$ac_cv_sizeof_long
1092 SIZEOF_LONG_LONG=$ac_cv_sizeof_long_long
1093 SIZEOF_OFF_T=$ac_cv_sizeof_off_t
1094 SIZEOF_TIME_T=$ac_cv_sizeof_time_t
1095 AC_SUBST(SIZEOF_SHORT)
1096 AC_SUBST(SIZEOF_INT)
1097 AC_SUBST(SIZEOF_LONG)
1098 AC_SUBST(SIZEOF_LONG_LONG)
1099 AC_SUBST(SIZEOF_OFF_T)
1100 AC_SUBST(SIZEOF_TIME_T)
1101 AC_C_BIGENDIAN
1102 if test $cross_compiling = no; then
1103   BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1104 else
1105   CROSS_COMPILE="1" BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1106 fi
1107 ASM_TYPES_HEADER=./asm_types.h
1108 AC_SUBST_FILE(ASM_TYPES_HEADER)
1109 dnl
1110 dnl Save the configuration #defines needed for the public ext2fs.h
1111 dnl header file
1112 dnl
1113 echo "/* These defines are needed for the public ext2fs.h header file */" \
1114      > public_config.h
1115 if grep HAVE_SYS_TYPES_H confdefs.h > tmp_config.$$; then
1116   uniq tmp_config.$$ >> public_config.h
1117 else
1118   echo "#undef HAVE_SYS_TYPES_H" >> public_config.h
1119 fi
1120 if grep WORDS_BIGENDIAN confdefs.h > tmp_config.$$; then
1121   uniq tmp_config.$$ >> public_config.h
1122 else
1123   echo "#undef WORDS_BIGENDIAN" >> public_config.h
1124 fi
1125 rm -f tmp_config.$$
1126 PUBLIC_CONFIG_HEADER=./public_config.h
1127 AC_SUBST_FILE(PUBLIC_CONFIG_HEADER)
1128 dnl
1129 dnl See if we have inttypes.h and if intptr_t is defined
1130 dnl
1131 AC_CHECK_HEADERS([inttypes.h])
1132 AC_CHECK_TYPES(intptr_t)
1133 dnl
1134 dnl See if struct stat has a st_flags field, in which case we can get file
1135 dnl flags somewhat portably.  Also check for the analogous setter, chflags().
1136 dnl
1137 AC_MSG_CHECKING(whether struct stat has a st_flags field)
1138 AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags,
1139         AC_TRY_COMPILE([#include <sys/stat.h>],
1140                 [struct stat stat; stat.st_flags = 0;],
1141                 [e2fsprogs_cv_struct_st_flags=yes],
1142                 [e2fsprogs_cv_struct_st_flags=no]))
1143 AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags)
1144 if test "$e2fsprogs_cv_struct_st_flags" = yes; then
1145   AC_MSG_CHECKING(whether st_flags field is useful)
1146   AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags_immut,
1147         AC_TRY_COMPILE([#include <sys/stat.h>],
1148                 [struct stat stat; stat.st_flags |= UF_IMMUTABLE;],
1149                 [e2fsprogs_cv_struct_st_flags_immut=yes],
1150                 [e2fsprogs_cv_struct_st_flags_immut=no]))
1151   AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags_immut)
1152   if test "$e2fsprogs_cv_struct_st_flags_immut" = yes; then
1153           AC_DEFINE(HAVE_STAT_FLAGS, 1,
1154                 [Define to 1 if struct stat has st_flags])
1155   fi
1156 fi
1157 dnl
1158 dnl Check for the presence of SA_LEN
1159 dnl
1160 AC_CHECK_MEMBER(struct sockaddr.sa_len,
1161                 AC_DEFINE_UNQUOTED(HAVE_SA_LEN,1,
1162                         [Define to 1 if if struct sockaddr contains sa_len]),,
1163         [#include <sys/types.h>
1164          #include <sys/socket.h>])
1165 dnl
1166 dnl If we are using the system-provided blkid library, check for
1167 dnl the functions added after migrating that library to util-linux
1168 dnl
1169 if test -n "$BLKID_CMT"; then
1170   AC_CHECK_LIB(blkid, blkid_probe_get_topology,
1171                       AC_DEFINE(HAVE_BLKID_PROBE_GET_TOPOLOGY, 1,
1172                                 [Define to 1 if blkid has blkid_probe_get_topology]))
1173   AC_CHECK_LIB(blkid, blkid_topology_get_dax,
1174                       AC_DEFINE(HAVE_BLKID_TOPOLOGY_GET_DAX, 1,
1175                                 [Define to 1 if blkid has blkid_topology_get_dax]))
1176   AC_CHECK_LIB(blkid, blkid_probe_enable_partitions,
1177                       AC_DEFINE(HAVE_BLKID_PROBE_ENABLE_PARTITIONS, 1,
1178                                 [Define to 1 if blkid has blkid_probe_enable_partitions]))
1179 fi
1180 dnl
1181 if test -n "$DLOPEN_LIB" ; then
1182    ac_cv_func_dlopen=yes
1183 fi
1184 AC_CHECK_FUNCS(m4_flatten([
1185         __secure_getenv
1186         add_key
1187         backtrace
1188         chflags
1189         dlopen
1190         fadvise64
1191         fallocate
1192         fallocate64
1193         fchown
1194         fcntl
1195         fdatasync
1196         fstat64
1197         fsync
1198         ftruncate64
1199         futimes
1200         getcwd
1201         getdtablesize
1202         gethostname
1203         getmntinfo
1204         getpwuid_r
1205         getrlimit
1206         getrusage
1207         jrand48
1208         keyctl
1209         llistxattr
1210         llseek
1211         lseek64
1212         mallinfo
1213         mbstowcs
1214         memalign
1215         mempcpy
1216         mmap
1217         msync
1218         nanosleep
1219         open64
1220         pathconf
1221         posix_fadvise
1222         posix_fadvise64
1223         posix_memalign
1224         prctl
1225         pread
1226         pwrite
1227         pread64
1228         pwrite64
1229         secure_getenv
1230         setmntent
1231         setresgid
1232         setresuid
1233         snprintf
1234         srandom
1235         stpcpy
1236         strcasecmp
1237         strdup
1238         strnlen
1239         strptime
1240         strtoull
1241         sync_file_range
1242         sysconf
1243         usleep
1244         utime
1245         utimes
1246         valloc
1247 ]))
1248 dnl
1249 dnl Check to see if -lsocket is required (solaris) to make something
1250 dnl that uses socket() to compile; this is needed for the UUID library
1251 dnl
1252 SOCKET_LIB=''
1253 AC_CHECK_LIB(socket, socket, [SOCKET_LIB=-lsocket])
1254 AC_SUBST(SOCKET_LIB)
1255 dnl
1256 dnl See if libmagic exists
1257 dnl
1258 AC_CHECK_LIB(magic, magic_file, [MAGIC_LIB=-lmagic
1259 AC_CHECK_HEADERS([magic.h])])
1260 if test "$ac_cv_func_dlopen" = yes ; then
1261    MAGIC_LIB=$DLOPEN_LIB
1262 fi
1263 AC_SUBST(MAGIC_LIB)
1264 dnl
1265 dnl Check to see if librt is required for clock_gettime() (glibc < 2.17)
1266 dnl
1267 AC_CHECK_LIB(rt, clock_gettime, [CLOCK_GETTIME_LIB=-lrt])
1268 AC_SUBST(CLOCK_GETTIME_LIB)
1269 dnl
1270 dnl Check to see if the FUSE library is -lfuse or -losxfuse
1271 dnl
1272 FUSE_CMT=
1273 FUSE_LIB=
1274 dnl osxfuse.dylib supersedes fuselib.dylib
1275 AC_ARG_ENABLE([fuse2fs],
1276 [  --disable-fuse2fs      do not build fuse2fs],
1277 if test "$enableval" = "no"
1278 then
1279         FUSE_CMT="#"
1280         AC_MSG_RESULT([Disabling fuse2fs])
1281 else
1282         AC_CHECK_HEADERS([pthread.h fuse.h], [],
1283 [AC_MSG_FAILURE([Cannot find fuse2fs headers.])],
1284 [#define _FILE_OFFSET_BITS      64
1285 #define FUSE_USE_VERSION 29])
1286
1287         AC_PREPROC_IFELSE(
1288 [AC_LANG_PROGRAM([[#define FUSE_USE_VERSION 29
1289 #ifdef __linux__
1290 #include <linux/fs.h>
1291 #include <linux/falloc.h>
1292 #include <linux/xattr.h>
1293 #endif
1294 ]], [])], [], [AC_MSG_FAILURE([Cannot find fuse2fs Linux headers.])])
1295
1296         AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1297                 [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse],
1298                               [AC_MSG_FAILURE([Cannot find fuse library.])])])
1299         AC_MSG_RESULT([Enabling fuse2fs])
1300 fi
1301 ,
1302 AC_CHECK_HEADERS([pthread.h fuse.h], [], [FUSE_CMT="#"],
1303 [#define _FILE_OFFSET_BITS      64
1304 #define FUSE_USE_VERSION 29
1305 #ifdef __linux__
1306 # include <linux/fs.h>
1307 # include <linux/falloc.h>
1308 # include <linux/xattr.h>
1309 #endif])
1310 if test -z "$FUSE_CMT"
1311 then
1312         AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1313 [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse], [FUSE_CMT="#"])])
1314 fi
1315 if test -z "$FUSE_CMT"
1316 then
1317         AC_MSG_RESULT([Enabling fuse2fs by default.])
1318 fi
1319 )
1320 AC_SUBST(FUSE_LIB)
1321 AC_SUBST(FUSE_CMT)
1322 dnl
1323 dnl See if optreset exists
1324 dnl
1325 AC_MSG_CHECKING(for optreset)
1326 AC_CACHE_VAL(ac_cv_have_optreset,
1327 [AC_EGREP_HEADER(optreset, unistd.h,
1328   ac_cv_have_optreset=yes, ac_cv_have_optreset=no)])dnl
1329 AC_MSG_RESULT($ac_cv_have_optreset)
1330 if test $ac_cv_have_optreset = yes; then
1331   AC_DEFINE(HAVE_OPTRESET, 1, [Define to 1 if optreset for getopt is present])
1332 fi
1333 dnl
1334 dnl Test for sem_init, and which library it might require:
1335 dnl
1336 AH_TEMPLATE([HAVE_SEM_INIT], [Define to 1 if sem_init() exists])
1337 SEM_INIT_LIB=''
1338 echo GL_THREADS_API: ${gl_threads_api}
1339 if test "${gl_threads_api}" != none
1340 then
1341   AC_CHECK_FUNC(sem_init, ,
1342     AC_CHECK_LIB(pthread, sem_init,
1343         AC_DEFINE(HAVE_SEM_INIT, 1)
1344         SEM_INIT_LIB=-lpthread,
1345     AC_CHECK_LIB(rt, sem_init,
1346         AC_DEFINE(HAVE_SEM_INIT, 1)
1347         SEM_INIT_LIB=-lrt,
1348     AC_CHECK_LIB(posix4, sem_init,
1349         AC_DEFINE(HAVE_SEM_INIT, 1)
1350         SEM_INIT_LIB=-lposix4))))dnl
1351 fi
1352 AC_SUBST(SEM_INIT_LIB)
1353 dnl
1354 dnl Check for unified diff
1355 dnl
1356 AC_MSG_CHECKING(for unified diff option)
1357 if diff -u $0 $0 > /dev/null 2>&1 ; then
1358    UNI_DIFF_OPTS=-u
1359 else
1360    UNI_DIFF_OPTS=-c
1361 fi
1362 AC_MSG_RESULT($UNI_DIFF_OPTS)
1363 AC_SUBST(UNI_DIFF_OPTS)
1364 dnl
1365 dnl We use the EXT2 ioctls only under Linux
1366 dnl
1367 case "$host_os" in
1368 linux*)
1369         AC_DEFINE(HAVE_EXT2_IOCTLS, 1, [Define to 1 if Ext2 ioctls present])
1370         ;;
1371 esac
1372 dnl
1373 dnl Check the available mount options
1374 dnl
1375 AX_CHECK_MOUNT_OPT(nosuid)
1376 AX_CHECK_MOUNT_OPT(nodev)
1377 dnl Enable LTO for all packages
1378 dnl
1379 AC_ARG_ENABLE([lto],
1380 [  --enable-lto           enable link time optimization],,
1381 enable_lto=no)
1382 if test "$enable_lto" = "yes" || test "$enable_lto" = "probe"; then
1383         AC_MSG_CHECKING([if C compiler supports LTO])
1384         OLD_CFLAGS="$CFLAGS"
1385         OLD_LDFLAGS="$LDFLAGS"
1386         LTO_FLAGS="-g -flto -ffat-lto-objects"
1387         CFLAGS="$CFLAGS $LTO_FLAGS"
1388         LDFLAGS="$LDFLAGS $LTO_FLAGS"
1389         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1390                 [AC_MSG_RESULT([yes])]
1391                 [lto_cflags=$LTO_FLAGS]
1392                 [lto_ldflags=$LTO_FLAGS]
1393                 [AC_PATH_PROG(gcc_ar, gcc-ar,,)]
1394                 [AC_PATH_PROG(gcc_ranlib, gcc-ranlib,,)],
1395                 [AC_MSG_RESULT([no])])
1396         if test -x "$gcc_ar" && test -x "$gcc_ranlib"; then
1397                 have_lto=yes
1398                 AR="${gcc_ar}"
1399                 RANLIB="${gcc_ranlib}"
1400         fi
1401         CFLAGS="${OLD_CFLAGS}"
1402         LDFLAGS="${OLD_LDFLAGS}"
1403         AC_SUBST(have_lto)
1404         AC_SUBST(lto_cflags)
1405         AC_SUBST(lto_ldflags)
1406 fi
1407 if test "$enable_lto" = "yes" && test "$have_lto" != "yes"; then
1408         AC_MSG_ERROR([LTO not supported by compiler.])
1409 fi
1410 dnl
1411 dnl Enable UBSAN for all packages
1412 dnl
1413 AC_ARG_ENABLE([ubsan],
1414 [  --enable-ubsan         enable undefined behavior sanitizer],,
1415 enable_ubsan=no)
1416 if test "$enable_ubsan" = "yes" || test "$enable_ubsan" = "probe"; then
1417         AC_MSG_CHECKING([if C compiler supports UBSAN])
1418         OLD_CFLAGS="$CFLAGS"
1419         OLD_LDFLAGS="$LDFLAGS"
1420         UBSAN_FLAGS="-fsanitize=undefined"
1421         CFLAGS="$CFLAGS $UBSAN_FLAGS"
1422         LDFLAGS="$LDFLAGS $UBSAN_FLAGS"
1423         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1424                 [AC_MSG_RESULT([yes])]
1425                 [ubsan_cflags=$UBSAN_FLAGS]
1426                 [ubsan_ldflags=$UBSAN_FLAGS]
1427                 [have_ubsan=yes],
1428                 [AC_MSG_RESULT([no])])
1429         CFLAGS="${OLD_CFLAGS}"
1430         LDFLAGS="${OLD_LDFLAGS}"
1431         AC_SUBST(have_ubsan)
1432         AC_SUBST(ubsan_cflags)
1433         AC_SUBST(ubsan_ldflags)
1434 fi
1435 if test "$enable_ubsan" = "yes" && test "$have_ubsan" != "yes"; then
1436         AC_MSG_ERROR([UBSAN not supported by compiler.])
1437 fi
1438 dnl
1439 dnl Enable ADDRSAN for all packages
1440 dnl
1441 AC_ARG_ENABLE([addrsan],
1442 [  --enable-addrsan       enable address sanitizer],,
1443 enable_addrsan=no)
1444 if test "$enable_addrsan" = "yes" || test "$enable_addrsan" = "probe"; then
1445         AC_MSG_CHECKING([if C compiler supports ADDRSAN])
1446         OLD_CFLAGS="$CFLAGS"
1447         OLD_LDFLAGS="$LDFLAGS"
1448         ADDRSAN_FLAGS="-fsanitize=address"
1449         CFLAGS="$CFLAGS $ADDRSAN_FLAGS"
1450         LDFLAGS="$LDFLAGS $ADDRSAN_FLAGS"
1451         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1452                 [AC_MSG_RESULT([yes])]
1453                 [addrsan_cflags=$ADDRSAN_FLAGS]
1454                 [addrsan_ldflags=$ADDRSAN_FLAGS]
1455                 [have_addrsan=yes],
1456                 [AC_MSG_RESULT([no])])
1457         CFLAGS="${OLD_CFLAGS}"
1458         LDFLAGS="${OLD_LDFLAGS}"
1459         AC_SUBST(have_addrsan)
1460         AC_SUBST(addrsan_cflags)
1461         AC_SUBST(addrsan_ldflags)
1462 fi
1463 if test "$enable_addrsan" = "yes" && test "$have_addrsan" != "yes"; then
1464         AC_MSG_ERROR([ADDRSAN not supported by compiler.])
1465 fi
1466 dnl
1467 dnl Enable THREADSAN for all packages
1468 dnl
1469 AC_ARG_ENABLE([threadsan],
1470 [  --enable-threadsan     enable thread sanitizer],,
1471 enable_threadsan=no)
1472 if test "$enable_threadsan" = "yes" || test "$enable_threadsan" = "probe"; then
1473         AC_MSG_CHECKING([if C compiler supports THREADSAN])
1474         OLD_CFLAGS="$CFLAGS"
1475         OLD_LDFLAGS="$LDFLAGS"
1476         THREADSAN_FLAGS="-fsanitize=thread"
1477         CFLAGS="$CFLAGS $THREADSAN_FLAGS"
1478         LDFLAGS="$LDFLAGS $THREADSAN_FLAGS"
1479         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1480                 [AC_MSG_RESULT([yes])]
1481                 [threadsan_cflags=$THREADSAN_FLAGS]
1482                 [threadsan_ldflags=$THREADSAN_FLAGS]
1483                 [have_threadsan=yes],
1484                 [AC_MSG_RESULT([no])])
1485         CFLAGS="${OLD_CFLAGS}"
1486         LDFLAGS="${OLD_LDFLAGS}"
1487         AC_SUBST(have_threadsan)
1488         AC_SUBST(threadsan_cflags)
1489         AC_SUBST(threadsan_ldflags)
1490 fi
1491 if test "$enable_threadsan" = "yes" && test "$have_threadsan" != "yes"; then
1492         AC_MSG_ERROR([THREADSAN not supported by compiler.])
1493 fi
1494 if test "$have_threadsan" = "yes" && test "$have_addrsan" = "yes"; then
1495         AC_MSG_WARN([ADDRSAN and THREADSAN are not known to work together.])
1496 fi
1497 dnl
1498 dnl OS-specific uncomment control
1499 dnl
1500 LINUX_CMT="#"
1501 CYGWIN_CMT="#"
1502 UNIX_CMT=
1503 case "$host_os" in
1504 linux*)
1505         LINUX_CMT=
1506         ;;
1507 cygwin)
1508         CYGWIN_CMT=
1509         UNIX_CMT="#"
1510         ;;
1511 esac
1512 AC_SUBST(LINUX_CMT)
1513 AC_SUBST(CYGWIN_CMT)
1514 AC_SUBST(UNIX_CMT)
1515 dnl
1516 dnl e2scrub only builds on linux
1517 dnl
1518 E2SCRUB_CMT="$LINUX_CMT"
1519 AC_SUBST(E2SCRUB_CMT)
1520 dnl
1521 dnl Linux and Hurd places root files in the / by default
1522 dnl
1523 case "$host_os" in
1524 linux* | gnu* | k*bsd*-gnu)
1525         if test "$prefix" = NONE -a "$root_prefix" = NONE ; then
1526                 root_prefix="";
1527                 AC_MSG_RESULT([On $host_os systems, root_prefix defaults to ''])
1528         fi
1529         ;;
1530 esac
1531 dnl
1532 dnl On Linux/hurd, force the prefix to be /usr
1533 dnl
1534 case "$host_os" in
1535 linux* | gnu* | k*bsd*-gnu)
1536         if test "$prefix" = NONE ; then
1537                 prefix="/usr";
1538                 AC_MSG_RESULT([On $host_os systems, prefix defaults to /usr])
1539                 if test "$mandir" = '${prefix}/man' ; then
1540                         AC_MSG_RESULT([...and mandir defaults to /usr/share/man])
1541                         mandir=/usr/share/man
1542                 fi
1543         fi
1544 ;;
1545 esac
1546 if test "$root_prefix" = NONE ; then
1547         if test "$prefix" = NONE ; then
1548                 root_prefix="$ac_default_prefix"
1549         else
1550                 root_prefix="$prefix"
1551         fi
1552         root_bindir=$bindir
1553         root_sbindir=$sbindir
1554         root_libdir=$libdir
1555         root_sysconfdir=$sysconfdir
1556 else
1557         root_bindir='${root_prefix}/bin'
1558         root_sbindir='${root_prefix}/sbin'
1559         root_libdir='${root_prefix}/lib'
1560         root_sysconfdir='${root_prefix}/etc'
1561 fi
1562 if test "$bindir" != '${exec_prefix}/bin'; then
1563     root_bindir=$bindir
1564     AC_MSG_RESULT([Setting root_bindir to $root_bindir])
1565 fi
1566 if test "$sbindir" != '${exec_prefix}/sbin'; then
1567     root_sbindir=$sbindir
1568     AC_MSG_RESULT([Setting root_sbindir to $root_sbindir])
1569 fi
1570 if test "$libdir" != '${exec_prefix}/lib'; then
1571     root_libdir=$libdir
1572     AC_MSG_RESULT([Setting root_libdir to $root_libdir])
1573 fi
1574 if test "$sysconfdir" != '${prefix}/etc'; then
1575     root_sysconfdir=$sysconfdir
1576     AC_MSG_RESULT([Setting root_sysconfdir to $root_sysconfdir])
1577 fi
1578 AC_SUBST(root_prefix)
1579 AC_SUBST(root_bindir)
1580 AC_SUBST(root_sbindir)
1581 AC_SUBST(root_libdir)
1582 AC_SUBST(root_sysconfdir)
1583 dnl
1584 dnl Allow specification of the multiarch arch
1585 dnl
1586 AC_ARG_WITH([multiarch],
1587 [  --with-multiarch=ARCH specify the multiarch triplet],
1588 if test "$withval" = "lib64"; then
1589     libdir=/usr/lib64
1590     root_libdir=/lib64
1591 else
1592     libdir=$libdir/$withval
1593     root_libdir=$root_libdir/$withval
1594 fi
1595 )
1596 dnl
1597 dnl
1598 dnl See if -static works.  This could fail if the linker does not
1599 dnl support -static, or if required external libraries are not available
1600 dnl in static form.
1601 dnl
1602 AC_MSG_CHECKING([whether we can link with -static])
1603 AC_CACHE_VAL(ac_cv_e2fsprogs_use_static,
1604 [SAVE_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS_STATIC -static"
1605 AC_TRY_LINK([#include <stdio.h>],[fflush(stdout);],
1606  ac_cv_e2fsprogs_use_static=yes, ac_cv_e2fsprogs_use_static=no)
1607 LDFLAGS=$SAVE_LDFLAGS])
1608 dnl
1609 dnl Regardless of how the test turns out, Solaris doesn't handle -static
1610 dnl This is caused by the socket library requiring the nsl library, which
1611 dnl requires the -dl library, which only works for dynamically linked 
1612 dnl programs.  It basically means you can't have statically linked programs
1613 dnl which use the network under Solaris.  
1614 dnl
1615 case "$host_os" in
1616 solaris2.*)
1617         ac_cv_e2fsprogs_use_static=no   
1618 ;;
1619 esac
1620 AC_MSG_RESULT($ac_cv_e2fsprogs_use_static)
1621 if test $ac_cv_e2fsprogs_use_static = yes; then
1622         LDFLAGS_STATIC="$LDFLAGS_STATIC -static"
1623 fi
1624 AC_SUBST(LDFLAGS_STATIC)
1625 dnl
1626 dnl Work around mysterious Darwin / GNU libintl problem
1627 dnl (__asm__ redirection doesn't work for some mysterious reason.  Looks like
1628 dnl Apple hacked gcc somehow?)
1629 dnl
1630 case "$host_os" in
1631 darwin*)
1632         AC_MSG_RESULT([Using Apple Darwin / GNU libintl workaround])
1633         AC_DEFINE(_INTL_REDIRECT_MACROS, 1,
1634                 [Define to 1 if Apple Darwin libintl workaround is needed])
1635         ;;
1636 esac
1637 dnl
1638 dnl Only try to run the test suite if we're not cross compiling.
1639 dnl
1640 if test "$cross_compiling" = yes ; then
1641   DO_TEST_SUITE=
1642 else
1643   DO_TEST_SUITE=check
1644 fi
1645 AC_SUBST(DO_TEST_SUITE)
1646 dnl
1647 dnl Only include the intl include files if we're building with them
1648 dnl
1649 INCLUDES='-I. -I$(top_builddir)/lib -I$(top_srcdir)/lib'
1650 if test -n "$CPPFLAGS" ; then
1651         INCLUDES="$INCLUDES $CPPFLAGS"
1652 fi
1653 if test "$USE_INCLUDED_LIBINTL" = "yes" ; then
1654         INCLUDES=$INCLUDES' -I$(top_builddir)/intl -I$(top_srcdir)/intl'
1655 fi
1656 if test -n "$WITH_DIET_LIBC" ; then
1657         INCLUDES="$INCLUDES -D_REENTRANT"
1658 fi
1659 AC_SUBST(INCLUDES)
1660 dnl
1661 dnl Build CFLAGS
1662 dnl
1663 if test $cross_compiling = no; then
1664    BUILD_CFLAGS="$CFLAGS $CPPFLAGS $INCLUDES -DHAVE_CONFIG_H"
1665    BUILD_LDFLAGS="$LDFLAGS"
1666 fi
1667 AC_SUBST(BUILD_CFLAGS)
1668 AC_SUBST(BUILD_LDFLAGS)
1669 dnl
1670 dnl Define CFLAGS and LDFLAGS for shared libraries
1671 dnl
1672 CFLAGS_SHLIB=${CFLAGS_SHLIB:-$CFLAGS}
1673 CFLAGS_STLIB=${CFLAGS_STLIB:-$CFLAGS}
1674 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
1675 AC_SUBST(CFLAGS_SHLIB)
1676 AC_SUBST(CFLAGS_STLIB)
1677 AC_SUBST(LDFLAGS_SHLIB)
1678
1679 dnl
1680 dnl Where do udev rules go?
1681 dnl
1682 AC_ARG_WITH([udev_rules_dir],
1683   [AS_HELP_STRING([--with-udev-rules-dir@<:@=DIR@:>@],
1684         [Install udev rules into DIR.])],
1685   [],
1686   [with_udev_rules_dir=yes])
1687 AS_IF([test "x${with_udev_rules_dir}" != "xno"],
1688   [
1689         AS_IF([test "x${with_udev_rules_dir}" = "xyes"],
1690           [
1691                 PKG_CHECK_MODULES([udev], [udev],
1692                   [
1693                         with_udev_rules_dir="$($PKG_CONFIG --variable=udevdir udev)/rules.d"
1694                   ], [
1695                         with_udev_rules_dir=""
1696                   ])
1697           ])
1698         AC_MSG_CHECKING([for udev rules dir])
1699         pkg_udev_rules_dir="${with_udev_rules_dir}"
1700         AS_IF([test -n "${pkg_udev_rules_dir}"],
1701           [
1702                 AC_MSG_RESULT(${pkg_udev_rules_dir})
1703                 have_udev="yes"
1704           ],
1705           [
1706                 AC_MSG_RESULT(no)
1707                 have_udev="no"
1708           ])
1709   ],
1710   [
1711         have_udev="disabled"
1712   ])
1713 AC_SUBST(have_udev)
1714 AC_SUBST(pkg_udev_rules_dir)
1715
1716 dnl
1717 dnl Where do cron jobs go?
1718 dnl
1719 AC_ARG_WITH([crond_dir],
1720   [AS_HELP_STRING([--with-crond-dir@<:@=DIR@:>@],
1721         [Install system crontabs into DIR.])],
1722   [],
1723   [with_crond_dir=yes])
1724 AS_IF([test "x${with_crond_dir}" != "xno"],
1725   [
1726         AS_IF([test "x${with_crond_dir}" = "xyes"],
1727           [
1728                 AS_IF([test -d "/etc/cron.d"],
1729                   [with_crond_dir="/etc/cron.d"],
1730                   [have_crond="no"; with_crond_dir=""])
1731           ])
1732         AC_MSG_CHECKING([for system crontab dir])
1733         crond_dir="${with_crond_dir}"
1734         AS_IF([test -n "${crond_dir}"],
1735           [
1736                 AC_MSG_RESULT(${crond_dir})
1737                 have_crond="yes"
1738           ],
1739           [
1740                 AC_MSG_RESULT(no)
1741                 have_crond="no"
1742           ])
1743   ],
1744   [
1745         have_crond="disabled"
1746   ])
1747 AC_SUBST(have_crond)
1748 AC_SUBST(crond_dir)
1749
1750 dnl
1751 dnl Where do systemd services go?
1752 dnl
1753 AC_ARG_WITH([systemd_unit_dir],
1754   [AS_HELP_STRING([--with-systemd-unit-dir@<:@=DIR@:>@],
1755         [Install systemd system units into DIR.])],
1756   [],
1757   [with_systemd_unit_dir=yes])
1758 AS_IF([test "x${with_systemd_unit_dir}" != "xno"],
1759   [
1760         AS_IF([test "x${with_systemd_unit_dir}" = "xyes"],
1761           [
1762                 PKG_CHECK_MODULES([systemd], [systemd],
1763                   [
1764                         with_systemd_unit_dir="$($PKG_CONFIG --variable=systemdsystemunitdir systemd)"
1765                   ], [
1766                         with_systemd_unit_dir=""
1767                   ])
1768                 m4_pattern_allow([^PKG_(MAJOR|MINOR|BUILD|REVISION)$])
1769           ])
1770         AC_MSG_CHECKING([for systemd system unit dir])
1771         systemd_system_unit_dir="${with_systemd_unit_dir}"
1772         AS_IF([test -n "${systemd_system_unit_dir}"],
1773           [
1774                 AC_MSG_RESULT(${systemd_system_unit_dir})
1775                 have_systemd="yes"
1776           ],
1777           [
1778                 AC_MSG_RESULT(no)
1779                 have_systemd="no"
1780           ])
1781   ],
1782   [
1783         have_systemd="disabled"
1784   ])
1785 AC_SUBST(have_systemd)
1786 AC_SUBST(systemd_system_unit_dir)
1787
1788 dnl
1789 dnl Make our output files, being sure that we create the some miscellaneous 
1790 dnl directories
1791 dnl
1792 test -d lib || mkdir lib
1793 test -d include || mkdir include
1794 test -d include/linux || mkdir include/linux
1795 test -d include/asm || mkdir include/asm
1796 if test -z "$UUID_CMT" ; then
1797         uuid_out_list="lib/uuid/Makefile lib/uuid/uuid.pc \
1798                 lib/uuid/uuid_types.h"
1799 fi
1800 if test -z "$BLKID_CMT" ; then
1801         blkid_out_list="lib/blkid/Makefile lib/blkid/blkid.pc \
1802                 lib/blkid/blkid_types.h"
1803 fi
1804 for i in MCONFIG Makefile \
1805         util/Makefile util/subst.conf util/gen-tarball util/install-symlink \
1806         lib/et/Makefile lib/ss/Makefile lib/e2p/Makefile \
1807         lib/ext2fs/Makefile lib/ext2fs/ext2_types.h \
1808         $uuid_out_list $blkid_out_list lib/support/Makefile \
1809         lib/ss/ss.pc lib/et/com_err.pc lib/e2p/e2p.pc lib/ext2fs/ext2fs.pc \
1810         misc/Makefile ext2ed/Makefile e2fsck/Makefile \
1811         debugfs/Makefile tests/Makefile tests/progs/Makefile \
1812         resize/Makefile doc/Makefile po/Makefile.in scrub/Makefile; do
1813         if test -d `dirname ${srcdir}/$i` ; then
1814                 outlist="$outlist $i"
1815         fi
1816 done
1817 AC_OUTPUT($outlist)
1818 if test -f util/gen-tarball; then chmod +x util/gen-tarball; fi