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libext2fs: properly free the bitmaps in read_bitmap()'s error/cleanup path
[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 --disable-libuuid
443 dnl
444 PKG_PROG_PKG_CONFIG
445 LIBUUID=
446 DEPLIBUUID=
447 STATIC_LIBUUID=
448 DEPSTATIC_LIBUUID=
449 PROFILED_LIBUUID=
450 DEPPROFILED_LIBUUID=
451 UUID_CMT=
452 AC_ARG_ENABLE([libuuid],
453 [  --enable-libuuid       build and use private uuid library],
454 if test "$enableval" = "no"
455 then
456         if test -z "$PKG_CONFIG"; then
457                 AC_MSG_ERROR([pkg-config not installed; please install it.])
458         fi
459
460         AC_CHECK_LIB(uuid, uuid_generate,
461                 [LIBUUID=`$PKG_CONFIG --libs uuid`;
462                  STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`],
463                 [AC_MSG_ERROR([external uuid library not found])])
464         PROFILED_LIBUUID=$LIBUUID
465         UUID_CMT=#
466         AC_MSG_RESULT([Disabling private uuid library])
467 else
468         LIBUUID='$(LIB)/libuuid'$LIB_EXT
469         DEPLIBUUID=$LIBUUID
470         STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
471         DEPSTATIC_LIBUUID=$STATIC_LIBUUID
472         PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
473         DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
474         AC_MSG_RESULT([Enabling private uuid library])
475 fi
476 ,
477 if test -n "$PKG_CONFIG"; then
478         AC_CHECK_LIB(uuid, uuid_generate,
479                 [LIBUUID=`$PKG_CONFIG --libs uuid`;
480                  STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`])
481 fi
482 if test -n "$LIBUUID"; then
483         PROFILED_LIBUUID=$LIBUUID
484         UUID_CMT=#
485         AC_MSG_RESULT([Using system uuid by default])
486 else
487         LIBUUID='$(LIB)/libuuid'$LIB_EXT
488         DEPLIBUUID=$LIBUUID
489         STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
490         DEPSTATIC_LIBUUID=$STATIC_LIBUUID
491         PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
492         DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
493         AC_MSG_RESULT([Enabling private uuid library by default])
494 fi
495 )
496 AC_SUBST(LIBUUID)
497 AC_SUBST(DEPLIBUUID)
498 AC_SUBST(STATIC_LIBUUID)
499 AC_SUBST(DEPSTATIC_LIBUUID)
500 AC_SUBST(PROFILED_LIBUUID)
501 AC_SUBST(DEPPROFILED_LIBUUID)
502 AC_SUBST(UUID_CMT)
503 dnl
504 dnl handle --disable-libblkid
505 dnl
506 PKG_PROG_PKG_CONFIG
507 LIBBLKID=
508 DEPLIBBLKID=
509 STATIC_LIBBLKID=
510 DEPSTATIC_LIBBLKID=
511 PROFILED_LIBBLKID=
512 DEPPROFILED_LIBBLKID=
513 BLKID_CMT=
514 AH_TEMPLATE([CONFIG_BUILD_FINDFS], [Define to 1 to compile findfs])
515 AC_ARG_ENABLE([libblkid],
516 [  --enable-libblkid      build and use private blkid library],
517 if test "$enableval" = "no"
518 then
519         if test -z "$PKG_CONFIG"; then
520                 AC_MSG_ERROR([pkg-config not installed; please install it.])
521         fi
522
523         AC_CHECK_LIB(blkid, blkid_get_cache,
524                 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
525                  STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`],
526                 [AC_MSG_ERROR([external blkid library not found])], -luuid)
527         BLKID_CMT=#
528         PROFILED_LIBBLKID=$LIBBLKID
529         AC_MSG_RESULT([Disabling private blkid library])
530 else
531         LIBBLKID='$(LIB)/libblkid'$LIB_EXT
532         DEPLIBBLKID=$LIBBLKID
533         STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
534         DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
535         PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
536         DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
537         AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
538         AC_MSG_RESULT([Enabling private blkid library])
539 fi
540 ,
541 if test -n "$PKG_CONFIG"; then
542         AC_CHECK_LIB(blkid, blkid_get_cache,
543                 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
544                  STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`])
545 fi
546 if test -n "$LIBBLKID"; then
547         BLKID_CMT=#
548         PROFILED_LIBBLKID=$LIBBLKID
549         AC_MSG_RESULT([Using system blkid library by default])
550 else
551         LIBBLKID='$(LIB)/libblkid'$LIB_EXT
552         DEPLIBBLKID=$LIBBLKID
553         STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
554         DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
555         PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
556         DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
557         AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
558         AC_MSG_RESULT([Enabling private blkid library by default])
559 fi
560 )
561 AC_SUBST(LIBBLKID)
562 AC_SUBST(DEPLIBBLKID)
563 AC_SUBST(STATIC_LIBBLKID)
564 AC_SUBST(DEPSTATIC_LIBBLKID)
565 AC_SUBST(PROFILED_LIBBLKID)
566 AC_SUBST(DEPPROFILED_LIBBLKID)
567 AC_SUBST(BLKID_CMT)
568 dnl
569 dnl handle --enable-subset
570 dnl
571 ALL_CMT=
572 SUBSET_CMT=
573 AC_ARG_ENABLE([subset],
574 [  --enable-subset        enable subset-only build],
575 if test "$enableval" = "no"
576 then
577         SUBSET_CMT=#
578         AC_MSG_RESULT([Disabling subset-only build])
579 else
580         ALL_CMT=#
581         AC_MSG_RESULT([Enabling subset-only-build])
582 fi
583 ,)
584 AC_SUBST(ALL_CMT)
585 AC_SUBST(SUBSET_CMT)
586 dnl
587 dnl handle --disable-backtrace
588 dnl
589 AH_TEMPLATE([DISABLE_BACKTRACE], [Define to 1 to disable use of backtrace])
590 AC_ARG_ENABLE([backtrace],
591 [  --disable-backtrace    disable use backtrace],
592 if test "$enableval" = "no"
593 then
594         AC_MSG_RESULT([Disabling use of backtrace])
595         AC_DEFINE(DISABLE_BACKTRACE, 1)
596 else
597         AC_MSG_RESULT([Enabling use of backtrace])
598 fi
599 ,
600 AC_MSG_RESULT([Enabling use of backtrace by default])
601 )
602 dnl
603 dnl handle --enable-debugfs
604 dnl
605 AC_ARG_ENABLE([debugfs],
606 [  --disable-debugfs      disable support of debugfs program],
607 if test "$enableval" = "no"
608 then
609         AC_MSG_RESULT([Disabling debugfs support])
610         DEBUGFS_CMT="#"
611 else
612         DEBUGFS_CMT=
613         AC_MSG_RESULT([Enabling debugfs support])
614 fi
615 ,
616 AC_MSG_RESULT([Enabling debugfs support by default])
617 DEBUGFS_CMT=
618 )
619 AC_SUBST(DEBUGFS_CMT)
620 dnl
621 dnl handle --enable-imager
622 dnl
623 AC_ARG_ENABLE([imager],
624 [  --disable-imager       disable support of e2image program],
625 if test "$enableval" = "no"
626 then
627         AC_MSG_RESULT([Disabling e2image support])
628         IMAGER_CMT="#"
629 else
630         IMAGER_CMT=
631         AC_MSG_RESULT([Enabling e2image support])
632 fi
633 ,
634 AC_MSG_RESULT([Enabling e2image support by default])
635 IMAGER_CMT=
636 )
637 AC_SUBST(IMAGER_CMT)
638 dnl
639 dnl handle --enable-resizer
640 dnl
641 AC_ARG_ENABLE([resizer],
642 [  --disable-resizer      disable support of e2resize program],
643 if test "$enableval" = "no"
644 then
645         AC_MSG_RESULT([Disabling e2resize support])
646         RESIZER_CMT="#"
647 else
648         RESIZER_CMT=
649         AC_MSG_RESULT([Enabling e2resize support])
650 fi
651 ,
652 AC_MSG_RESULT([Enabling e2resize support by default])
653 RESIZER_CMT=
654 )
655 AC_SUBST(RESIZER_CMT)
656 dnl
657 dnl handle --enable-defrag
658 dnl
659 AC_ARG_ENABLE([defrag],
660 [  --disable-defrag       disable support of e4defrag program],
661 if test "$enableval" = "no"
662 then
663         AC_MSG_RESULT([Disabling e4defrag support])
664         DEFRAG_CMT="#"
665 else
666         DEFRAG_CMT=
667         AC_MSG_RESULT([Enabling e4defrag support])
668 fi
669 ,
670 if test -z "$WITH_DIET_LIBC"
671 then
672         AC_MSG_RESULT([Enabling e4defrag support by default])
673         DEFRAG_CMT=
674 else
675         AC_MSG_RESULT([Disabling e4defrag support by default])
676         DEFRAG_CMT="#"
677 fi
678 )
679 AC_SUBST(DEFRAG_CMT)
680 dnl
681 dnl See whether to install the `fsck' wrapper program (that calls e2fsck)
682 dnl
683 AC_ARG_ENABLE([fsck],
684 [  --enable-fsck           build fsck wrapper program],
685 [if test "$enableval" = "no"
686 then
687         FSCK_PROG='' FSCK_MAN=''
688         AC_MSG_RESULT([Not building fsck wrapper])
689 else
690         FSCK_PROG=fsck FSCK_MAN=fsck.8
691         AC_MSG_RESULT([Building fsck wrapper])
692 fi]
693 ,
694 [case "$host_os" in
695   gnu*)
696     FSCK_PROG='' FSCK_MAN=''
697     AC_MSG_RESULT([Not building fsck wrapper by default])
698     ;;
699   *)
700     FSCK_PROG=fsck FSCK_MAN=fsck.8
701     AC_MSG_RESULT([Building fsck wrapper by default])
702 esac]
703 )
704 AC_SUBST(FSCK_PROG)
705 AC_SUBST(FSCK_MAN)
706 dnl
707 dnl See whether to install the `e2initrd-helper' program
708 dnl
709 AC_ARG_ENABLE([e2initrd-helper],
710 [  --enable-e2initrd-helper build e2initrd-helper program],
711 [if test "$enableval" = "no"
712 then
713         E2INITRD_PROG='' E2INITRD_MAN=''
714         AC_MSG_RESULT([Not building e2initrd helper])
715 else
716         E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
717         AC_MSG_RESULT([Building e2initrd helper])
718 fi]
719 ,
720 E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
721 AC_MSG_RESULT([Building e2initrd helper by default])
722 )
723 AC_SUBST(E2INITRD_PROG)
724 AC_SUBST(E2INITRD_MAN)
725 dnl
726 dnl
727 dnl
728 AC_ARG_ENABLE([tls],
729 [  --disable-tls           disable use of thread local support],
730 [if test "$enableval" = "no"
731 then
732         try_tls=""
733         AC_MSG_RESULT([Disabling thread local support])
734 else
735         try_tls="yes"
736         AC_MSG_RESULT([Enabling thread local support])
737 fi]
738 ,
739 if test -n "$WITH_DIET_LIBC"
740 then
741         try_tls=""
742         AC_MSG_RESULT([Diet libc does not support thread local support])
743 else
744         try_tls="yes"
745         AC_MSG_RESULT([Try using thread local support by default])
746 fi
747 )
748 if test "$try_tls" = "yes"
749 then
750 AX_TLS
751 fi
752 dnl
753 dnl
754 dnl
755 AH_TEMPLATE([USE_UUIDD], [Define to 1 to build uuidd])
756 AC_ARG_ENABLE([uuidd],
757 [  --disable-uuidd         disable building the uuid daemon],
758 [if test "$enableval" = "no"
759 then
760         AC_MSG_RESULT([Not building uuidd])
761         UUIDD_CMT="#"
762 else
763         AC_DEFINE(USE_UUIDD, 1)
764         UUIDD_CMT=""
765         AC_MSG_RESULT([Building uuidd])
766 fi]
767 ,
768 AC_DEFINE(USE_UUIDD, 1)
769 if test -z "$UUID_CMT"
770 then
771         UUIDD_CMT=""
772         AC_MSG_RESULT([Building uuidd by default])
773 else
774         UUIDD_CMT="#"
775         AC_MSG_RESULT([Disabling uuidd by default])
776 fi
777 )
778 AC_SUBST(UUIDD_CMT)
779 dnl
780 dnl handle --disable-mmp
781 dnl
782 AH_TEMPLATE([CONFIG_MMP], [Define to 1 to enable mmp support])
783 AC_ARG_ENABLE([mmp],
784 [  --disable-mmp           disable support mmp, Multi Mount Protection],
785 if test "$enableval" = "no"
786 then
787         AC_MSG_RESULT([Disabling mmp support])
788 else
789         AC_MSG_RESULT([Enabling mmp support])
790         AC_DEFINE(CONFIG_MMP, 1)
791 fi
792 ,
793 AC_MSG_RESULT([Enabling mmp support by default])
794 AC_DEFINE(CONFIG_MMP, 1)
795 )
796 dnl
797 dnl handle --disable-tdb
798 dnl
799 AH_TEMPLATE([CONFIG_TDB], [Define to 1 to enable tdb support])
800 AC_ARG_ENABLE([tdb],
801 [  --disable-tdb           disable tdb support],
802 if test "$enableval" = "no"
803 then
804         AC_MSG_RESULT([Disabling tdb support])
805         TDB_CMT="#"
806         TDB_MAN_COMMENT='.\"'
807 else
808         AC_MSG_RESULT([Enabling tdb support])
809         AC_DEFINE(CONFIG_TDB, 1)
810         TDB_CMT=""
811         TDB_MAN_COMMENT=""
812 fi
813 ,
814 AC_MSG_RESULT([Enabling mmp support by default])
815 AC_DEFINE(CONFIG_TDB, 1)
816 TDB_CMT=""
817 TDB_MAN_COMMENT=""
818 )
819 AC_SUBST(TDB_CMT)
820 AC_SUBST(TDB_MAN_COMMENT)
821 dnl
822 dnl handle --disable-bmap-stats
823 dnl
824 AH_TEMPLATE([ENABLE_BMAP_STATS], [Define to 1 to enable bitmap stats.])
825 AC_ARG_ENABLE([bmap-stats],
826 [  --disable-bmap-stats    disable collection of bitmap stats.],
827 if test "$enableval" = "no"
828 then
829         AC_MSG_RESULT([Disabling bitmap statistics support])
830 else
831         AC_MSG_RESULT([Enabling bitmap statistics support])
832         AC_DEFINE(ENABLE_BMAP_STATS, 1)
833 fi
834 ,
835 AC_MSG_RESULT([Enabling bitmap statistics support by default])
836 AC_DEFINE(ENABLE_BMAP_STATS, 1)
837 )
838 dnl
839 dnl handle --enable-bmap-stats-ops
840 dnl
841 AH_TEMPLATE([ENABLE_BMAP_STATS_OPS], [Define to 1 to enable bitmap stats.])
842 AC_ARG_ENABLE([bmap-stats-ops],
843 [  --enable-bmap-stats-ops enable collection of additional bitmap stats],
844 if test "$enableval" = "no"
845 then
846         AC_MSG_RESULT([Disabling additional bitmap statistics])
847 else
848         dnl There has to be a better way!
849         AS_IF([test "x${enable_bmap_stats}" = "xno"],
850          AC_MSG_FAILURE([Error --enable-bmap-stats-ops requires bmap-stats]))
851
852         AC_MSG_RESULT([Enabling additional bitmap statistics])
853         AC_DEFINE(ENABLE_BMAP_STATS_OPS, 1)
854 fi
855 ,
856 AC_MSG_RESULT([Disabling additional bitmap statistics by default])
857 )
858 dnl
859 dnl
860 dnl
861 MAKEFILE_LIBRARY=$srcdir/lib/Makefile.library
862 AC_SUBST_FILE(MAKEFILE_LIBRARY)
863 dnl
864 dnl Add internationalization support, using gettext.
865 dnl
866 GETTEXT_PACKAGE=e2fsprogs
867 PACKAGE=e2fsprogs
868 VERSION="$E2FSPROGS_VERSION"
869 VERSION=0.14.1
870 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [package name for gettext])
871 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [version for gettext])
872 AC_SUBST(GETTEXT_PACKAGE)
873 AC_SUBST(PACKAGE)
874 AC_SUBST(VERSION)
875
876 AM_GNU_GETTEXT
877 dnl
878 dnl End of configuration options
879 dnl
880 AC_SUBST(BINARY_TYPE)
881 AC_PROG_MAKE_SET
882 CHECK_GNU_MAKE
883 AC_PATH_PROG(LN, ln, ln)
884 AC_PROG_MKDIR_P
885 AC_PROG_LN_S
886 AC_PATH_PROG(MV, mv, mv)
887 AC_PATH_PROG(CP, cp, cp)
888 AC_PATH_PROG(RM, rm, rm)
889 AC_PATH_PROG(CHMOD, chmod, :)
890 AC_PROG_AWK
891 AC_PROG_EGREP
892 AC_PATH_PROG(SED, sed, sed)
893 AC_PATH_PROG(PERL, perl, perl)
894 AC_PATH_PROG(LDCONFIG, ldconfig, :)
895 AC_CHECK_TOOL(AR, ar, ar)
896 AC_CHECK_TOOL(RANLIB, ranlib, :)
897 AC_CHECK_TOOL(STRIP, strip, :)
898 AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
899 if test "_$MAKEINFO" = "_"; then
900     MAKEINFO="echo Makeinfo is missing. Info documentation will not be built."
901 else
902     case "$MAKEINFO" in
903       */missing.*)
904         AC_MSG_WARN([
905 *** Makeinfo is missing. Info documentation will not be built.])
906         ;;
907       *)
908         ;;
909     esac
910 fi
911 AC_SUBST(MAKEINFO)
912 AC_PROG_INSTALL
913 # See if we need a separate native compiler.
914 if test $cross_compiling = no; then
915   BUILD_CC="$CC"
916   AC_SUBST(BUILD_CC)
917 else
918   AC_CHECK_PROGS(BUILD_CC, gcc cc)
919 fi
920 AC_CHECK_HEADERS(m4_flatten([
921         dirent.h
922         errno.h
923         execinfo.h
924         getopt.h
925         malloc.h
926         mntent.h
927         paths.h
928         semaphore.h
929         setjmp.h
930         signal.h
931         stdarg.h
932         stdint.h
933         stdlib.h
934         termios.h
935         termio.h
936         unistd.h
937         utime.h
938         attr/xattr.h
939         linux/falloc.h
940         linux/fd.h
941         linux/fsmap.h
942         linux/major.h
943         linux/loop.h
944         linux/types.h
945         net/if_dl.h
946         netinet/in.h
947         sys/acl.h
948         sys/disklabel.h
949         sys/disk.h
950         sys/file.h
951         sys/ioctl.h
952         sys/key.h
953         sys/mkdev.h
954         sys/mman.h
955         sys/mount.h
956         sys/prctl.h
957         sys/resource.h
958         sys/select.h
959         sys/socket.h
960         sys/sockio.h
961         sys/stat.h
962         sys/syscall.h
963         sys/sysctl.h
964         sys/sysmacros.h
965         sys/time.h
966         sys/types.h
967         sys/un.h
968         sys/wait.h
969         sys/xattr.h
970 ]))
971 dnl Check where to find a dd(1) that supports iflag=fullblock
972 dnl and oflag=append
973 AC_MSG_CHECKING([for a dd(1) program that supports iflag=fullblock])
974 DD=
975 for i in dd gdd ; do
976         if "$i" if=/dev/null of=/dev/null count=1 bs=10k 2>/dev/null iflag=fullblock oflag=append ; then
977                 DD=$i
978                 break
979         fi
980 done
981 if test -n "$DD" ; then
982         AC_MSG_RESULT([$DD])
983 else
984         AC_MSG_RESULT([not found, using dd])
985         DD=dd
986         AC_MSG_WARN([No GNU-compatible dd(1) program found, expect some self-test failures.])
987 fi
988 AC_SUBST([DD])
989
990 AC_CHECK_HEADERS(net/if.h,,,
991 [[
992 #if HAVE_SYS_TYPES_H
993 #include <sys/types.h>
994 #endif
995 #if HAVE_SYS_SOCKET
996 #include <sys/socket.h>
997 #endif
998 ]])
999 AC_FUNC_VPRINTF
1000 dnl Check to see if dirent has member d_reclen. On cygwin those d_reclen
1001 dnl is not declared.
1002 AC_CHECK_MEMBER(struct dirent.d_reclen,[AC_DEFINE(HAVE_RECLEN_DIRENT, 1,
1003                        [Define to 1 if dirent has d_reclen])],,
1004                 [#include <dirent.h>])
1005 AC_CHECK_MEMBERS([struct stat.st_atim])
1006 dnl Check to see if ssize_t was declared
1007 AC_CHECK_TYPE(ssize_t,[AC_DEFINE(HAVE_TYPE_SSIZE_T, 1,
1008                 [Define to 1 if ssize_t declared])],,
1009               [#include <sys/types.h>])
1010 dnl
1011 dnl Check to see if llseek() is declared in unistd.h.  On some libc's 
1012 dnl it is, and on others it isn't..... Thank you glibc developers....
1013 dnl
1014 AC_CHECK_DECL(llseek,[AC_DEFINE(HAVE_LLSEEK_PROTOTYPE, 1,
1015                         [Define to 1 if llseek declared in unistd.h])],,
1016               [#include <unistd.h>])
1017 dnl
1018 dnl Check to see if lseek64() is declared in unistd.h.  Glibc's header files
1019 dnl are so convoluted that I can't tell whether it will always be defined,
1020 dnl and if it isn't defined while lseek64 is defined in the library, 
1021 dnl disaster will strike.  
1022 dnl
1023 dnl Warning!  Use of --enable-gcc-wall may throw off this test.
1024 dnl
1025 dnl
1026 AC_CHECK_DECL(lseek64,[AC_DEFINE(HAVE_LSEEK64_PROTOTYPE, 1,
1027                         [Define to 1 if lseek64 declared in unistd.h])],,
1028                 [#define _LARGEFILE_SOURCE
1029                  #define _LARGEFILE64_SOURCE
1030                  #include <unistd.h>])
1031 dnl
1032 dnl Word sizes...
1033 dnl
1034 AC_CHECK_SIZEOF(short)
1035 AC_CHECK_SIZEOF(int)
1036 AC_CHECK_SIZEOF(long)
1037 AC_CHECK_SIZEOF(long long)
1038 AC_CHECK_SIZEOF(off_t)
1039 AC_CHECK_SIZEOF(time_t)
1040 SIZEOF_SHORT=$ac_cv_sizeof_short
1041 SIZEOF_INT=$ac_cv_sizeof_int
1042 SIZEOF_LONG=$ac_cv_sizeof_long
1043 SIZEOF_LONG_LONG=$ac_cv_sizeof_long_long
1044 SIZEOF_OFF_T=$ac_cv_sizeof_off_t
1045 SIZEOF_TIME_T=$ac_cv_sizeof_time_t
1046 AC_SUBST(SIZEOF_SHORT)
1047 AC_SUBST(SIZEOF_INT)
1048 AC_SUBST(SIZEOF_LONG)
1049 AC_SUBST(SIZEOF_LONG_LONG)
1050 AC_SUBST(SIZEOF_OFF_T)
1051 AC_SUBST(SIZEOF_TIME_T)
1052 AC_C_BIGENDIAN
1053 if test $cross_compiling = no; then
1054   BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1055 else
1056   CROSS_COMPILE="1" BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1057 fi
1058 ASM_TYPES_HEADER=./asm_types.h
1059 AC_SUBST_FILE(ASM_TYPES_HEADER)
1060 dnl
1061 dnl Save the configuration #defines needed for the public ext2fs.h
1062 dnl header file
1063 dnl
1064 echo "/* These defines are needed for the public ext2fs.h header file */" \
1065      > public_config.h
1066 if grep HAVE_SYS_TYPES_H confdefs.h > tmp_config.$$; then
1067   uniq tmp_config.$$ >> public_config.h
1068 else
1069   echo "#undef HAVE_SYS_TYPES_H" >> public_config.h
1070 fi
1071 if grep WORDS_BIGENDIAN confdefs.h > tmp_config.$$; then
1072   uniq tmp_config.$$ >> public_config.h
1073 else
1074   echo "#undef WORDS_BIGENDIAN" >> public_config.h
1075 fi
1076 rm -f tmp_config.$$
1077 PUBLIC_CONFIG_HEADER=./public_config.h
1078 AC_SUBST_FILE(PUBLIC_CONFIG_HEADER)
1079 dnl
1080 dnl See if we have inttypes.h and if intptr_t is defined
1081 dnl
1082 AC_CHECK_HEADERS([inttypes.h])
1083 AC_CHECK_TYPES(intptr_t)
1084 dnl
1085 dnl See if struct stat has a st_flags field, in which case we can get file
1086 dnl flags somewhat portably.  Also check for the analogous setter, chflags().
1087 dnl
1088 AC_MSG_CHECKING(whether struct stat has a st_flags field)
1089 AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags,
1090         AC_TRY_COMPILE([#include <sys/stat.h>],
1091                 [struct stat stat; stat.st_flags = 0;],
1092                 [e2fsprogs_cv_struct_st_flags=yes],
1093                 [e2fsprogs_cv_struct_st_flags=no]))
1094 AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags)
1095 if test "$e2fsprogs_cv_struct_st_flags" = yes; then
1096   AC_MSG_CHECKING(whether st_flags field is useful)
1097   AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags_immut,
1098         AC_TRY_COMPILE([#include <sys/stat.h>],
1099                 [struct stat stat; stat.st_flags |= UF_IMMUTABLE;],
1100                 [e2fsprogs_cv_struct_st_flags_immut=yes],
1101                 [e2fsprogs_cv_struct_st_flags_immut=no]))
1102   AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags_immut)
1103   if test "$e2fsprogs_cv_struct_st_flags_immut" = yes; then
1104           AC_DEFINE(HAVE_STAT_FLAGS, 1,
1105                 [Define to 1 if struct stat has st_flags])
1106   fi
1107 fi
1108 dnl
1109 dnl Check for the presence of SA_LEN
1110 dnl
1111 AC_CHECK_MEMBER(struct sockaddr.sa_len,
1112                 AC_DEFINE_UNQUOTED(HAVE_SA_LEN,1,
1113                         [Define to 1 if if struct sockaddr contains sa_len]),,
1114         [#include <sys/types.h>
1115          #include <sys/socket.h>])
1116 dnl
1117 dnl If we are using the system-provided blkid library, check for
1118 dnl the functions added after migrating that library to util-linux
1119 dnl
1120 if test -n "$BLKID_CMT"; then
1121   AC_CHECK_LIB(blkid, blkid_probe_get_topology,
1122                       AC_DEFINE(HAVE_BLKID_PROBE_GET_TOPOLOGY, 1,
1123                                 [Define to 1 if blkid has blkid_probe_get_topology]))
1124   AC_CHECK_LIB(blkid, blkid_probe_enable_partitions,
1125                       AC_DEFINE(HAVE_BLKID_PROBE_ENABLE_PARTITIONS, 1,
1126                                 [Define to 1 if blkid has blkid_probe_enable_partitions]))
1127 fi
1128 dnl
1129 if test -n "$DLOPEN_LIB" ; then
1130    ac_cv_func_dlopen=yes
1131 fi
1132 AC_CHECK_FUNCS(m4_flatten([
1133         __secure_getenv
1134         add_key
1135         backtrace
1136         chflags
1137         dlopen
1138         fadvise64
1139         fallocate
1140         fallocate64
1141         fchown
1142         fcntl
1143         fdatasync
1144         fstat64
1145         fsync
1146         ftruncate64
1147         futimes
1148         getcwd
1149         getdtablesize
1150         gethostname
1151         getmntinfo
1152         getpwuid_r
1153         getrlimit
1154         getrusage
1155         jrand48
1156         keyctl
1157         llistxattr
1158         llseek
1159         lseek64
1160         mallinfo
1161         mbstowcs
1162         memalign
1163         mempcpy
1164         mmap
1165         msync
1166         nanosleep
1167         open64
1168         pathconf
1169         posix_fadvise
1170         posix_fadvise64
1171         posix_memalign
1172         prctl
1173         pread
1174         pwrite
1175         pread64
1176         pwrite64
1177         secure_getenv
1178         setmntent
1179         setresgid
1180         setresuid
1181         snprintf
1182         srandom
1183         stpcpy
1184         strcasecmp
1185         strdup
1186         strnlen
1187         strptime
1188         strtoull
1189         sync_file_range
1190         sysconf
1191         usleep
1192         utime
1193         utimes
1194         valloc
1195 ]))
1196 dnl
1197 dnl Check to see if -lsocket is required (solaris) to make something
1198 dnl that uses socket() to compile; this is needed for the UUID library
1199 dnl
1200 SOCKET_LIB=''
1201 AC_CHECK_LIB(socket, socket, [SOCKET_LIB=-lsocket])
1202 AC_SUBST(SOCKET_LIB)
1203 dnl
1204 dnl See if libmagic exists
1205 dnl
1206 AC_CHECK_LIB(magic, magic_file, [MAGIC_LIB=-lmagic
1207 AC_CHECK_HEADERS([magic.h])])
1208 if test "$ac_cv_func_dlopen" = yes ; then
1209    MAGIC_LIB=$DLOPEN_LIB
1210 fi
1211 AC_SUBST(MAGIC_LIB)
1212 dnl
1213 dnl Check to see if librt is required for clock_gettime() (glibc < 2.17)
1214 dnl
1215 AC_CHECK_LIB(rt, clock_gettime, [CLOCK_GETTIME_LIB=-lrt])
1216 AC_SUBST(CLOCK_GETTIME_LIB)
1217 dnl
1218 dnl Check to see if the FUSE library is -lfuse or -losxfuse
1219 dnl
1220 FUSE_CMT=
1221 FUSE_LIB=
1222 dnl osxfuse.dylib supersedes fuselib.dylib
1223 AC_ARG_ENABLE([fuse2fs],
1224 [  --disable-fuse2fs      do not build fuse2fs],
1225 if test "$enableval" = "no"
1226 then
1227         FUSE_CMT="#"
1228         AC_MSG_RESULT([Disabling fuse2fs])
1229 else
1230         AC_CHECK_HEADERS([pthread.h fuse.h], [],
1231 [AC_MSG_FAILURE([Cannot find fuse2fs headers.])],
1232 [#define _FILE_OFFSET_BITS      64
1233 #define FUSE_USE_VERSION 29])
1234
1235         AC_PREPROC_IFELSE(
1236 [AC_LANG_PROGRAM([[#define FUSE_USE_VERSION 29
1237 #ifdef __linux__
1238 #include <linux/fs.h>
1239 #include <linux/falloc.h>
1240 #include <linux/xattr.h>
1241 #endif
1242 ]], [])], [], [AC_MSG_FAILURE([Cannot find fuse2fs Linux headers.])])
1243
1244         AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1245                 [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse],
1246                               [AC_MSG_FAILURE([Cannot find fuse library.])])])
1247         AC_MSG_RESULT([Enabling fuse2fs])
1248 fi
1249 ,
1250 AC_CHECK_HEADERS([pthread.h fuse.h], [], [FUSE_CMT="#"],
1251 [#define _FILE_OFFSET_BITS      64
1252 #define FUSE_USE_VERSION 29
1253 #ifdef __linux__
1254 # include <linux/fs.h>
1255 # include <linux/falloc.h>
1256 # include <linux/xattr.h>
1257 #endif])
1258 if test -z "$FUSE_CMT"
1259 then
1260         AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1261 [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse], [FUSE_CMT="#"])])
1262 fi
1263 if test -z "$FUSE_CMT"
1264 then
1265         AC_MSG_RESULT([Enabling fuse2fs by default.])
1266 fi
1267 )
1268 AC_SUBST(FUSE_LIB)
1269 AC_SUBST(FUSE_CMT)
1270 dnl
1271 dnl See if optreset exists
1272 dnl
1273 AC_MSG_CHECKING(for optreset)
1274 AC_CACHE_VAL(ac_cv_have_optreset,
1275 [AC_EGREP_HEADER(optreset, unistd.h,
1276   ac_cv_have_optreset=yes, ac_cv_have_optreset=no)])dnl
1277 AC_MSG_RESULT($ac_cv_have_optreset)
1278 if test $ac_cv_have_optreset = yes; then
1279   AC_DEFINE(HAVE_OPTRESET, 1, [Define to 1 if optreset for getopt is present])
1280 fi
1281 dnl
1282 dnl Test for sem_init, and which library it might require:
1283 dnl
1284 AH_TEMPLATE([HAVE_SEM_INIT], [Define to 1 if sem_init() exists])
1285 SEM_INIT_LIB=''
1286 echo GL_THREADS_API: ${gl_threads_api}
1287 if test "${gl_threads_api}" != none
1288 then
1289   AC_CHECK_FUNC(sem_init, ,
1290     AC_CHECK_LIB(pthread, sem_init,
1291         AC_DEFINE(HAVE_SEM_INIT, 1)
1292         SEM_INIT_LIB=-lpthread,
1293     AC_CHECK_LIB(rt, sem_init,
1294         AC_DEFINE(HAVE_SEM_INIT, 1)
1295         SEM_INIT_LIB=-lrt,
1296     AC_CHECK_LIB(posix4, sem_init,
1297         AC_DEFINE(HAVE_SEM_INIT, 1)
1298         SEM_INIT_LIB=-lposix4))))dnl
1299 fi
1300 AC_SUBST(SEM_INIT_LIB)
1301 dnl
1302 dnl Check for unified diff
1303 dnl
1304 AC_MSG_CHECKING(for unified diff option)
1305 if diff -u $0 $0 > /dev/null 2>&1 ; then
1306    UNI_DIFF_OPTS=-u
1307 else
1308    UNI_DIFF_OPTS=-c
1309 fi
1310 AC_MSG_RESULT($UNI_DIFF_OPTS)
1311 AC_SUBST(UNI_DIFF_OPTS)
1312 dnl
1313 dnl We use the EXT2 ioctls only under Linux
1314 dnl
1315 case "$host_os" in
1316 linux*)
1317         AC_DEFINE(HAVE_EXT2_IOCTLS, 1, [Define to 1 if Ext2 ioctls present])
1318         ;;
1319 esac
1320 dnl
1321 dnl Check the available mount options
1322 dnl
1323 AX_CHECK_MOUNT_OPT(nosuid)
1324 AX_CHECK_MOUNT_OPT(nodev)
1325 dnl Enable LTO for all packages
1326 dnl
1327 AC_ARG_ENABLE([lto],
1328 [  --enable-lto           enable link time optimization],,
1329 enable_lto=no)
1330 if test "$enable_lto" = "yes" || test "$enable_lto" = "probe"; then
1331         AC_MSG_CHECKING([if C compiler supports LTO])
1332         OLD_CFLAGS="$CFLAGS"
1333         OLD_LDFLAGS="$LDFLAGS"
1334         LTO_FLAGS="-g -flto -ffat-lto-objects"
1335         CFLAGS="$CFLAGS $LTO_FLAGS"
1336         LDFLAGS="$LDFLAGS $LTO_FLAGS"
1337         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1338                 [AC_MSG_RESULT([yes])]
1339                 [lto_cflags=$LTO_FLAGS]
1340                 [lto_ldflags=$LTO_FLAGS]
1341                 [AC_PATH_PROG(gcc_ar, gcc-ar,,)]
1342                 [AC_PATH_PROG(gcc_ranlib, gcc-ranlib,,)],
1343                 [AC_MSG_RESULT([no])])
1344         if test -x "$gcc_ar" && test -x "$gcc_ranlib"; then
1345                 have_lto=yes
1346                 AR="${gcc_ar}"
1347                 RANLIB="${gcc_ranlib}"
1348         fi
1349         CFLAGS="${OLD_CFLAGS}"
1350         LDFLAGS="${OLD_LDFLAGS}"
1351         AC_SUBST(have_lto)
1352         AC_SUBST(lto_cflags)
1353         AC_SUBST(lto_ldflags)
1354 fi
1355 if test "$enable_lto" = "yes" && test "$have_lto" != "yes"; then
1356         AC_MSG_ERROR([LTO not supported by compiler.])
1357 fi
1358 dnl
1359 dnl Enable UBSAN for all packages
1360 dnl
1361 AC_ARG_ENABLE([ubsan],
1362 [  --enable-ubsan         enable undefined behavior sanitizer],,
1363 enable_ubsan=no)
1364 if test "$enable_ubsan" = "yes" || test "$enable_ubsan" = "probe"; then
1365         AC_MSG_CHECKING([if C compiler supports UBSAN])
1366         OLD_CFLAGS="$CFLAGS"
1367         OLD_LDFLAGS="$LDFLAGS"
1368         UBSAN_FLAGS="-fsanitize=undefined"
1369         CFLAGS="$CFLAGS $UBSAN_FLAGS"
1370         LDFLAGS="$LDFLAGS $UBSAN_FLAGS"
1371         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1372                 [AC_MSG_RESULT([yes])]
1373                 [ubsan_cflags=$UBSAN_FLAGS]
1374                 [ubsan_ldflags=$UBSAN_FLAGS]
1375                 [have_ubsan=yes],
1376                 [AC_MSG_RESULT([no])])
1377         CFLAGS="${OLD_CFLAGS}"
1378         LDFLAGS="${OLD_LDFLAGS}"
1379         AC_SUBST(have_ubsan)
1380         AC_SUBST(ubsan_cflags)
1381         AC_SUBST(ubsan_ldflags)
1382 fi
1383 if test "$enable_ubsan" = "yes" && test "$have_ubsan" != "yes"; then
1384         AC_MSG_ERROR([UBSAN not supported by compiler.])
1385 fi
1386 dnl
1387 dnl Enable ADDRSAN for all packages
1388 dnl
1389 AC_ARG_ENABLE([addrsan],
1390 [  --enable-addrsan       enable address sanitizer],,
1391 enable_addrsan=no)
1392 if test "$enable_addrsan" = "yes" || test "$enable_addrsan" = "probe"; then
1393         AC_MSG_CHECKING([if C compiler supports ADDRSAN])
1394         OLD_CFLAGS="$CFLAGS"
1395         OLD_LDFLAGS="$LDFLAGS"
1396         ADDRSAN_FLAGS="-fsanitize=address"
1397         CFLAGS="$CFLAGS $ADDRSAN_FLAGS"
1398         LDFLAGS="$LDFLAGS $ADDRSAN_FLAGS"
1399         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1400                 [AC_MSG_RESULT([yes])]
1401                 [addrsan_cflags=$ADDRSAN_FLAGS]
1402                 [addrsan_ldflags=$ADDRSAN_FLAGS]
1403                 [have_addrsan=yes],
1404                 [AC_MSG_RESULT([no])])
1405         CFLAGS="${OLD_CFLAGS}"
1406         LDFLAGS="${OLD_LDFLAGS}"
1407         AC_SUBST(have_addrsan)
1408         AC_SUBST(addrsan_cflags)
1409         AC_SUBST(addrsan_ldflags)
1410 fi
1411 if test "$enable_addrsan" = "yes" && test "$have_addrsan" != "yes"; then
1412         AC_MSG_ERROR([ADDRSAN not supported by compiler.])
1413 fi
1414 dnl
1415 dnl Enable THREADSAN for all packages
1416 dnl
1417 AC_ARG_ENABLE([threadsan],
1418 [  --enable-threadsan     enable thread sanitizer],,
1419 enable_threadsan=no)
1420 if test "$enable_threadsan" = "yes" || test "$enable_threadsan" = "probe"; then
1421         AC_MSG_CHECKING([if C compiler supports THREADSAN])
1422         OLD_CFLAGS="$CFLAGS"
1423         OLD_LDFLAGS="$LDFLAGS"
1424         THREADSAN_FLAGS="-fsanitize=thread"
1425         CFLAGS="$CFLAGS $THREADSAN_FLAGS"
1426         LDFLAGS="$LDFLAGS $THREADSAN_FLAGS"
1427         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1428                 [AC_MSG_RESULT([yes])]
1429                 [threadsan_cflags=$THREADSAN_FLAGS]
1430                 [threadsan_ldflags=$THREADSAN_FLAGS]
1431                 [have_threadsan=yes],
1432                 [AC_MSG_RESULT([no])])
1433         CFLAGS="${OLD_CFLAGS}"
1434         LDFLAGS="${OLD_LDFLAGS}"
1435         AC_SUBST(have_threadsan)
1436         AC_SUBST(threadsan_cflags)
1437         AC_SUBST(threadsan_ldflags)
1438 fi
1439 if test "$enable_threadsan" = "yes" && test "$have_threadsan" != "yes"; then
1440         AC_MSG_ERROR([THREADSAN not supported by compiler.])
1441 fi
1442 if test "$have_threadsan" = "yes" && test "$have_addrsan" = "yes"; then
1443         AC_MSG_WARN([ADDRSAN and THREADSAN are not known to work together.])
1444 fi
1445 dnl
1446 dnl OS-specific uncomment control
1447 dnl
1448 LINUX_CMT="#"
1449 CYGWIN_CMT="#"
1450 UNIX_CMT=
1451 case "$host_os" in
1452 linux*)
1453         LINUX_CMT=
1454         ;;
1455 cygwin)
1456         CYGWIN_CMT=
1457         UNIX_CMT="#"
1458         ;;
1459 esac
1460 AC_SUBST(LINUX_CMT)
1461 AC_SUBST(CYGWIN_CMT)
1462 AC_SUBST(UNIX_CMT)
1463 dnl
1464 dnl e2scrub only builds on linux
1465 dnl
1466 E2SCRUB_CMT="$LINUX_CMT"
1467 AC_SUBST(E2SCRUB_CMT)
1468 dnl
1469 dnl Linux and Hurd places root files in the / by default
1470 dnl
1471 case "$host_os" in
1472 linux* | gnu* | k*bsd*-gnu)
1473         if test "$prefix" = NONE -a "$root_prefix" = NONE ; then
1474                 root_prefix="";
1475                 AC_MSG_RESULT([On $host_os systems, root_prefix defaults to ''])
1476         fi
1477         ;;
1478 esac
1479 dnl
1480 dnl On Linux/hurd, force the prefix to be /usr
1481 dnl
1482 case "$host_os" in
1483 linux* | gnu* | k*bsd*-gnu)
1484         if test "$prefix" = NONE ; then
1485                 prefix="/usr";
1486                 AC_MSG_RESULT([On $host_os systems, prefix defaults to /usr])
1487                 if test "$mandir" = '${prefix}/man' ; then
1488                         AC_MSG_RESULT([...and mandir defaults to /usr/share/man])
1489                         mandir=/usr/share/man
1490                 fi
1491         fi
1492 ;;
1493 esac
1494 if test "$root_prefix" = NONE ; then
1495         if test "$prefix" = NONE ; then
1496                 root_prefix="$ac_default_prefix"
1497         else
1498                 root_prefix="$prefix"
1499         fi
1500         root_bindir=$bindir
1501         root_sbindir=$sbindir
1502         root_libdir=$libdir
1503         root_sysconfdir=$sysconfdir
1504 else
1505         root_bindir='${root_prefix}/bin'
1506         root_sbindir='${root_prefix}/sbin'
1507         root_libdir='${root_prefix}/lib'
1508         root_sysconfdir='${root_prefix}/etc'
1509 fi
1510 if test "$bindir" != '${exec_prefix}/bin'; then
1511     root_bindir=$bindir
1512     AC_MSG_RESULT([Setting root_bindir to $root_bindir])
1513 fi
1514 if test "$sbindir" != '${exec_prefix}/sbin'; then
1515     root_sbindir=$sbindir
1516     AC_MSG_RESULT([Setting root_sbindir to $root_sbindir])
1517 fi
1518 if test "$libdir" != '${exec_prefix}/lib'; then
1519     root_libdir=$libdir
1520     AC_MSG_RESULT([Setting root_libdir to $root_libdir])
1521 fi
1522 if test "$sysconfdir" != '${prefix}/etc'; then
1523     root_sysconfdir=$sysconfdir
1524     AC_MSG_RESULT([Setting root_sysconfdir to $root_sysconfdir])
1525 fi
1526 AC_SUBST(root_prefix)
1527 AC_SUBST(root_bindir)
1528 AC_SUBST(root_sbindir)
1529 AC_SUBST(root_libdir)
1530 AC_SUBST(root_sysconfdir)
1531 dnl
1532 dnl Allow specification of the multiarch arch
1533 dnl
1534 AC_ARG_WITH([multiarch],
1535 [  --with-multiarch=ARCH specify the multiarch triplet],
1536 if test "$withval" = "lib64"; then
1537     libdir=/usr/lib64
1538     root_libdir=/lib64
1539 else
1540     libdir=$libdir/$withval
1541     root_libdir=$root_libdir/$withval
1542 fi
1543 )
1544 dnl
1545 dnl
1546 dnl See if -static works.  This could fail if the linker does not
1547 dnl support -static, or if required external libraries are not available
1548 dnl in static form.
1549 dnl
1550 AC_MSG_CHECKING([whether we can link with -static])
1551 AC_CACHE_VAL(ac_cv_e2fsprogs_use_static,
1552 [SAVE_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS_STATIC -static"
1553 AC_TRY_LINK([#include <stdio.h>],[fflush(stdout);],
1554  ac_cv_e2fsprogs_use_static=yes, ac_cv_e2fsprogs_use_static=no)
1555 LDFLAGS=$SAVE_LDFLAGS])
1556 dnl
1557 dnl Regardless of how the test turns out, Solaris doesn't handle -static
1558 dnl This is caused by the socket library requiring the nsl library, which
1559 dnl requires the -dl library, which only works for dynamically linked 
1560 dnl programs.  It basically means you can't have statically linked programs
1561 dnl which use the network under Solaris.  
1562 dnl
1563 case "$host_os" in
1564 solaris2.*)
1565         ac_cv_e2fsprogs_use_static=no   
1566 ;;
1567 esac
1568 AC_MSG_RESULT($ac_cv_e2fsprogs_use_static)
1569 if test $ac_cv_e2fsprogs_use_static = yes; then
1570         LDFLAGS_STATIC="$LDFLAGS_STATIC -static"
1571 fi
1572 AC_SUBST(LDFLAGS_STATIC)
1573 dnl
1574 dnl Work around mysterious Darwin / GNU libintl problem
1575 dnl (__asm__ redirection doesn't work for some mysterious reason.  Looks like
1576 dnl Apple hacked gcc somehow?)
1577 dnl
1578 case "$host_os" in
1579 darwin*)
1580         AC_MSG_RESULT([Using Apple Darwin / GNU libintl workaround])
1581         AC_DEFINE(_INTL_REDIRECT_MACROS, 1,
1582                 [Define to 1 if Apple Darwin libintl workaround is needed])
1583         ;;
1584 esac
1585 dnl
1586 dnl Only try to run the test suite if we're not cross compiling.
1587 dnl
1588 if test "$cross_compiling" = yes ; then
1589   DO_TEST_SUITE=
1590 else
1591   DO_TEST_SUITE=check
1592 fi
1593 AC_SUBST(DO_TEST_SUITE)
1594 dnl
1595 dnl Only include the intl include files if we're building with them
1596 dnl
1597 INCLUDES='-I. -I$(top_builddir)/lib -I$(top_srcdir)/lib'
1598 if test -n "$CPPFLAGS" ; then
1599         INCLUDES="$INCLUDES $CPPFLAGS"
1600 fi
1601 if test "$USE_INCLUDED_LIBINTL" = "yes" ; then
1602         INCLUDES=$INCLUDES' -I$(top_builddir)/intl -I$(top_srcdir)/intl'
1603 fi
1604 if test -n "$WITH_DIET_LIBC" ; then
1605         INCLUDES="$INCLUDES -D_REENTRANT"
1606 fi
1607 AC_SUBST(INCLUDES)
1608 dnl
1609 dnl Build CFLAGS
1610 dnl
1611 if test $cross_compiling = no; then
1612    BUILD_CFLAGS="$CFLAGS $CPPFLAGS $INCLUDES -DHAVE_CONFIG_H"
1613    BUILD_LDFLAGS="$LDFLAGS"
1614 fi
1615 AC_SUBST(BUILD_CFLAGS)
1616 AC_SUBST(BUILD_LDFLAGS)
1617 dnl
1618 dnl Define CFLAGS and LDFLAGS for shared libraries
1619 dnl
1620 CFLAGS_SHLIB=${CFLAGS_SHLIB:-$CFLAGS}
1621 CFLAGS_STLIB=${CFLAGS_STLIB:-$CFLAGS}
1622 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
1623 AC_SUBST(CFLAGS_SHLIB)
1624 AC_SUBST(CFLAGS_STLIB)
1625 AC_SUBST(LDFLAGS_SHLIB)
1626
1627 dnl
1628 dnl Where do udev rules go?
1629 dnl
1630 AC_ARG_WITH([udev_rules_dir],
1631   [AS_HELP_STRING([--with-udev-rules-dir@<:@=DIR@:>@],
1632         [Install udev rules into DIR.])],
1633   [],
1634   [with_udev_rules_dir=yes])
1635 AS_IF([test "x${with_udev_rules_dir}" != "xno"],
1636   [
1637         AS_IF([test "x${with_udev_rules_dir}" = "xyes"],
1638           [
1639                 PKG_CHECK_MODULES([udev], [udev],
1640                   [
1641                         with_udev_rules_dir="$($PKG_CONFIG --variable=udevdir udev)/rules.d"
1642                   ], [
1643                         with_udev_rules_dir=""
1644                   ])
1645           ])
1646         AC_MSG_CHECKING([for udev rules dir])
1647         pkg_udev_rules_dir="${with_udev_rules_dir}"
1648         AS_IF([test -n "${pkg_udev_rules_dir}"],
1649           [
1650                 AC_MSG_RESULT(${pkg_udev_rules_dir})
1651                 have_udev="yes"
1652           ],
1653           [
1654                 AC_MSG_RESULT(no)
1655                 have_udev="no"
1656           ])
1657   ],
1658   [
1659         have_udev="disabled"
1660   ])
1661 AC_SUBST(have_udev)
1662 AC_SUBST(pkg_udev_rules_dir)
1663
1664 dnl
1665 dnl Where do cron jobs go?
1666 dnl
1667 AC_ARG_WITH([crond_dir],
1668   [AS_HELP_STRING([--with-crond-dir@<:@=DIR@:>@],
1669         [Install system crontabs into DIR.])],
1670   [],
1671   [with_crond_dir=yes])
1672 AS_IF([test "x${with_crond_dir}" != "xno"],
1673   [
1674         AS_IF([test "x${with_crond_dir}" = "xyes"],
1675           [
1676                 AS_IF([test -d "/etc/cron.d"],
1677                   [with_crond_dir="/etc/cron.d"],
1678                   [have_crond="no"; with_crond_dir=""])
1679           ])
1680         AC_MSG_CHECKING([for system crontab dir])
1681         crond_dir="${with_crond_dir}"
1682         AS_IF([test -n "${crond_dir}"],
1683           [
1684                 AC_MSG_RESULT(${crond_dir})
1685                 have_crond="yes"
1686           ],
1687           [
1688                 AC_MSG_RESULT(no)
1689                 have_crond="no"
1690           ])
1691   ],
1692   [
1693         have_crond="disabled"
1694   ])
1695 AC_SUBST(have_crond)
1696 AC_SUBST(crond_dir)
1697
1698 dnl
1699 dnl Where do systemd services go?
1700 dnl
1701 AC_ARG_WITH([systemd_unit_dir],
1702   [AS_HELP_STRING([--with-systemd-unit-dir@<:@=DIR@:>@],
1703         [Install systemd system units into DIR.])],
1704   [],
1705   [with_systemd_unit_dir=yes])
1706 AS_IF([test "x${with_systemd_unit_dir}" != "xno"],
1707   [
1708         AS_IF([test "x${with_systemd_unit_dir}" = "xyes"],
1709           [
1710                 PKG_CHECK_MODULES([systemd], [systemd],
1711                   [
1712                         with_systemd_unit_dir="$($PKG_CONFIG --variable=systemdsystemunitdir systemd)"
1713                   ], [
1714                         with_systemd_unit_dir=""
1715                   ])
1716                 m4_pattern_allow([^PKG_(MAJOR|MINOR|BUILD|REVISION)$])
1717           ])
1718         AC_MSG_CHECKING([for systemd system unit dir])
1719         systemd_system_unit_dir="${with_systemd_unit_dir}"
1720         AS_IF([test -n "${systemd_system_unit_dir}"],
1721           [
1722                 AC_MSG_RESULT(${systemd_system_unit_dir})
1723                 have_systemd="yes"
1724           ],
1725           [
1726                 AC_MSG_RESULT(no)
1727                 have_systemd="no"
1728           ])
1729   ],
1730   [
1731         have_systemd="disabled"
1732   ])
1733 AC_SUBST(have_systemd)
1734 AC_SUBST(systemd_system_unit_dir)
1735
1736 dnl
1737 dnl Make our output files, being sure that we create the some miscellaneous 
1738 dnl directories
1739 dnl
1740 test -d lib || mkdir lib
1741 test -d include || mkdir include
1742 test -d include/linux || mkdir include/linux
1743 test -d include/asm || mkdir include/asm
1744 if test -z "$UUID_CMT" ; then
1745         uuid_out_list="lib/uuid/Makefile lib/uuid/uuid.pc \
1746                 lib/uuid/uuid_types.h"
1747 fi
1748 if test -z "$BLKID_CMT" ; then
1749         blkid_out_list="lib/blkid/Makefile lib/blkid/blkid.pc \
1750                 lib/blkid/blkid_types.h"
1751 fi
1752 for i in MCONFIG Makefile \
1753         util/Makefile util/subst.conf util/gen-tarball util/install-symlink \
1754         lib/et/Makefile lib/ss/Makefile lib/e2p/Makefile \
1755         lib/ext2fs/Makefile lib/ext2fs/ext2_types.h \
1756         $uuid_out_list $blkid_out_list lib/support/Makefile \
1757         lib/ss/ss.pc lib/et/com_err.pc lib/e2p/e2p.pc lib/ext2fs/ext2fs.pc \
1758         misc/Makefile ext2ed/Makefile e2fsck/Makefile \
1759         debugfs/Makefile tests/Makefile tests/progs/Makefile \
1760         resize/Makefile doc/Makefile intl/Makefile \
1761         intl/libgnuintl.h po/Makefile.in scrub/Makefile; do
1762         if test -d `dirname ${srcdir}/$i` ; then
1763                 outlist="$outlist $i"
1764         fi
1765 done
1766 AC_OUTPUT($outlist)
1767 if test -f util/gen-tarball; then chmod +x util/gen-tarball; fi