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LU-12403 build: add support for RHEL/CentOS 8
[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         attr/xattr.h
922         dirent.h
923         errno.h
924         execinfo.h
925         getopt.h
926         malloc.h
927         mntent.h
928         paths.h
929         semaphore.h
930         setjmp.h
931         signal.h
932         stdarg.h
933         stdint.h
934         stdlib.h
935         termios.h
936         termio.h
937         unistd.h
938         utime.h
939         attr/xattr.h
940         linux/falloc.h
941         linux/fd.h
942         linux/fsmap.h
943         linux/major.h
944         linux/loop.h
945         linux/types.h
946         net/if_dl.h
947         netinet/in.h
948         sys/acl.h
949         sys/disklabel.h
950         sys/disk.h
951         sys/file.h
952         sys/ioctl.h
953         sys/key.h
954         sys/mkdev.h
955         sys/mman.h
956         sys/mount.h
957         sys/prctl.h
958         sys/resource.h
959         sys/select.h
960         sys/socket.h
961         sys/sockio.h
962         sys/stat.h
963         sys/syscall.h
964         sys/sysctl.h
965         sys/sysmacros.h
966         sys/time.h
967         sys/types.h
968         sys/un.h
969         sys/wait.h
970         sys/xattr.h
971 ]))
972 dnl Check where to find a dd(1) that supports iflag=fullblock
973 dnl and oflag=append
974 AC_MSG_CHECKING([for a dd(1) program that supports iflag=fullblock])
975 DD=
976 for i in dd gdd ; do
977         if "$i" if=/dev/null of=/dev/null count=1 bs=10k 2>/dev/null iflag=fullblock oflag=append ; then
978                 DD=$i
979                 break
980         fi
981 done
982 if test -n "$DD" ; then
983         AC_MSG_RESULT([$DD])
984 else
985         AC_MSG_RESULT([not found, using dd])
986         DD=dd
987         AC_MSG_WARN([No GNU-compatible dd(1) program found, expect some self-test failures.])
988 fi
989 AC_SUBST([DD])
990
991 AC_CHECK_HEADERS(net/if.h,,,
992 [[
993 #if HAVE_SYS_TYPES_H
994 #include <sys/types.h>
995 #endif
996 #if HAVE_SYS_SOCKET
997 #include <sys/socket.h>
998 #endif
999 ]])
1000 AC_FUNC_VPRINTF
1001 dnl Check to see if dirent has member d_reclen. On cygwin those d_reclen
1002 dnl is not declared.
1003 AC_CHECK_MEMBER(struct dirent.d_reclen,[AC_DEFINE(HAVE_RECLEN_DIRENT, 1,
1004                        [Define to 1 if dirent has d_reclen])],,
1005                 [#include <dirent.h>])
1006 AC_CHECK_MEMBERS([struct stat.st_atim])
1007 dnl Check to see if ssize_t was declared
1008 AC_CHECK_TYPE(ssize_t,[AC_DEFINE(HAVE_TYPE_SSIZE_T, 1,
1009                 [Define to 1 if ssize_t declared])],,
1010               [#include <sys/types.h>])
1011 dnl
1012 dnl Check to see if llseek() is declared in unistd.h.  On some libc's 
1013 dnl it is, and on others it isn't..... Thank you glibc developers....
1014 dnl
1015 AC_CHECK_DECL(llseek,[AC_DEFINE(HAVE_LLSEEK_PROTOTYPE, 1,
1016                         [Define to 1 if llseek declared in unistd.h])],,
1017               [#include <unistd.h>])
1018 dnl
1019 dnl Check to see if lseek64() is declared in unistd.h.  Glibc's header files
1020 dnl are so convoluted that I can't tell whether it will always be defined,
1021 dnl and if it isn't defined while lseek64 is defined in the library, 
1022 dnl disaster will strike.  
1023 dnl
1024 dnl Warning!  Use of --enable-gcc-wall may throw off this test.
1025 dnl
1026 dnl
1027 AC_CHECK_DECL(lseek64,[AC_DEFINE(HAVE_LSEEK64_PROTOTYPE, 1,
1028                         [Define to 1 if lseek64 declared in unistd.h])],,
1029                 [#define _LARGEFILE_SOURCE
1030                  #define _LARGEFILE64_SOURCE
1031                  #include <unistd.h>])
1032 dnl
1033 dnl Word sizes...
1034 dnl
1035 AC_CHECK_SIZEOF(short)
1036 AC_CHECK_SIZEOF(int)
1037 AC_CHECK_SIZEOF(long)
1038 AC_CHECK_SIZEOF(long long)
1039 AC_CHECK_SIZEOF(off_t)
1040 AC_CHECK_SIZEOF(time_t)
1041 SIZEOF_SHORT=$ac_cv_sizeof_short
1042 SIZEOF_INT=$ac_cv_sizeof_int
1043 SIZEOF_LONG=$ac_cv_sizeof_long
1044 SIZEOF_LONG_LONG=$ac_cv_sizeof_long_long
1045 SIZEOF_OFF_T=$ac_cv_sizeof_off_t
1046 SIZEOF_TIME_T=$ac_cv_sizeof_time_t
1047 AC_SUBST(SIZEOF_SHORT)
1048 AC_SUBST(SIZEOF_INT)
1049 AC_SUBST(SIZEOF_LONG)
1050 AC_SUBST(SIZEOF_LONG_LONG)
1051 AC_SUBST(SIZEOF_OFF_T)
1052 AC_SUBST(SIZEOF_TIME_T)
1053 AC_C_BIGENDIAN
1054 if test $cross_compiling = no; then
1055   BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1056 else
1057   CROSS_COMPILE="1" BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1058 fi
1059 ASM_TYPES_HEADER=./asm_types.h
1060 AC_SUBST_FILE(ASM_TYPES_HEADER)
1061 dnl
1062 dnl Save the configuration #defines needed for the public ext2fs.h
1063 dnl header file
1064 dnl
1065 echo "/* These defines are needed for the public ext2fs.h header file */" \
1066      > public_config.h
1067 if grep HAVE_SYS_TYPES_H confdefs.h > tmp_config.$$; then
1068   uniq tmp_config.$$ >> public_config.h
1069 else
1070   echo "#undef HAVE_SYS_TYPES_H" >> public_config.h
1071 fi
1072 if grep WORDS_BIGENDIAN confdefs.h > tmp_config.$$; then
1073   uniq tmp_config.$$ >> public_config.h
1074 else
1075   echo "#undef WORDS_BIGENDIAN" >> public_config.h
1076 fi
1077 rm -f tmp_config.$$
1078 PUBLIC_CONFIG_HEADER=./public_config.h
1079 AC_SUBST_FILE(PUBLIC_CONFIG_HEADER)
1080 dnl
1081 dnl See if we have inttypes.h and if intptr_t is defined
1082 dnl
1083 AC_CHECK_HEADERS([inttypes.h])
1084 AC_CHECK_TYPES(intptr_t)
1085 dnl
1086 dnl See if struct stat has a st_flags field, in which case we can get file
1087 dnl flags somewhat portably.  Also check for the analogous setter, chflags().
1088 dnl
1089 AC_MSG_CHECKING(whether struct stat has a st_flags field)
1090 AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags,
1091         AC_TRY_COMPILE([#include <sys/stat.h>],
1092                 [struct stat stat; stat.st_flags = 0;],
1093                 [e2fsprogs_cv_struct_st_flags=yes],
1094                 [e2fsprogs_cv_struct_st_flags=no]))
1095 AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags)
1096 if test "$e2fsprogs_cv_struct_st_flags" = yes; then
1097   AC_MSG_CHECKING(whether st_flags field is useful)
1098   AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags_immut,
1099         AC_TRY_COMPILE([#include <sys/stat.h>],
1100                 [struct stat stat; stat.st_flags |= UF_IMMUTABLE;],
1101                 [e2fsprogs_cv_struct_st_flags_immut=yes],
1102                 [e2fsprogs_cv_struct_st_flags_immut=no]))
1103   AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags_immut)
1104   if test "$e2fsprogs_cv_struct_st_flags_immut" = yes; then
1105           AC_DEFINE(HAVE_STAT_FLAGS, 1,
1106                 [Define to 1 if struct stat has st_flags])
1107   fi
1108 fi
1109 dnl
1110 dnl Check for the presence of SA_LEN
1111 dnl
1112 AC_CHECK_MEMBER(struct sockaddr.sa_len,
1113                 AC_DEFINE_UNQUOTED(HAVE_SA_LEN,1,
1114                         [Define to 1 if if struct sockaddr contains sa_len]),,
1115         [#include <sys/types.h>
1116          #include <sys/socket.h>])
1117 dnl
1118 dnl If we are using the system-provided blkid library, check for
1119 dnl the functions added after migrating that library to util-linux
1120 dnl
1121 if test -n "$BLKID_CMT"; then
1122   AC_CHECK_LIB(blkid, blkid_probe_get_topology,
1123                       AC_DEFINE(HAVE_BLKID_PROBE_GET_TOPOLOGY, 1,
1124                                 [Define to 1 if blkid has blkid_probe_get_topology]))
1125   AC_CHECK_LIB(blkid, blkid_probe_enable_partitions,
1126                       AC_DEFINE(HAVE_BLKID_PROBE_ENABLE_PARTITIONS, 1,
1127                                 [Define to 1 if blkid has blkid_probe_enable_partitions]))
1128 fi
1129 dnl
1130 if test -n "$DLOPEN_LIB" ; then
1131    ac_cv_func_dlopen=yes
1132 fi
1133 AC_CHECK_FUNCS(m4_flatten([
1134         __secure_getenv
1135         add_key
1136         backtrace
1137         chflags
1138         dlopen
1139         fadvise64
1140         fallocate
1141         fallocate64
1142         fchown
1143         fcntl
1144         fdatasync
1145         fstat64
1146         fsync
1147         ftruncate64
1148         futimes
1149         getcwd
1150         getdtablesize
1151         gethostname
1152         getmntinfo
1153         getpwuid_r
1154         getrlimit
1155         getrusage
1156         jrand48
1157         keyctl
1158         llistxattr
1159         llseek
1160         lseek64
1161         mallinfo
1162         mbstowcs
1163         memalign
1164         mempcpy
1165         mmap
1166         msync
1167         nanosleep
1168         open64
1169         pathconf
1170         posix_fadvise
1171         posix_fadvise64
1172         posix_memalign
1173         prctl
1174         pread
1175         pwrite
1176         pread64
1177         pwrite64
1178         secure_getenv
1179         setmntent
1180         setresgid
1181         setresuid
1182         snprintf
1183         srandom
1184         stpcpy
1185         strcasecmp
1186         strdup
1187         strnlen
1188         strptime
1189         strtoull
1190         sync_file_range
1191         sysconf
1192         usleep
1193         utime
1194         utimes
1195         valloc
1196 ]))
1197 dnl
1198 dnl Check to see if -lsocket is required (solaris) to make something
1199 dnl that uses socket() to compile; this is needed for the UUID library
1200 dnl
1201 SOCKET_LIB=''
1202 AC_CHECK_LIB(socket, socket, [SOCKET_LIB=-lsocket])
1203 AC_SUBST(SOCKET_LIB)
1204 dnl
1205 dnl See if libmagic exists
1206 dnl
1207 AC_CHECK_LIB(magic, magic_file, [MAGIC_LIB=-lmagic
1208 AC_CHECK_HEADERS([magic.h])])
1209 if test "$ac_cv_func_dlopen" = yes ; then
1210    MAGIC_LIB=$DLOPEN_LIB
1211 fi
1212 AC_SUBST(MAGIC_LIB)
1213 dnl
1214 dnl Check to see if librt is required for clock_gettime() (glibc < 2.17)
1215 dnl
1216 AC_CHECK_LIB(rt, clock_gettime, [CLOCK_GETTIME_LIB=-lrt])
1217 AC_SUBST(CLOCK_GETTIME_LIB)
1218 dnl
1219 dnl Check to see if the FUSE library is -lfuse or -losxfuse
1220 dnl
1221 FUSE_CMT=
1222 FUSE_LIB=
1223 dnl osxfuse.dylib supersedes fuselib.dylib
1224 AC_ARG_ENABLE([fuse2fs],
1225 [  --disable-fuse2fs      do not build fuse2fs],
1226 if test "$enableval" = "no"
1227 then
1228         FUSE_CMT="#"
1229         AC_MSG_RESULT([Disabling fuse2fs])
1230 else
1231         AC_CHECK_HEADERS([pthread.h fuse.h], [],
1232 [AC_MSG_FAILURE([Cannot find fuse2fs headers.])],
1233 [#define _FILE_OFFSET_BITS      64
1234 #define FUSE_USE_VERSION 29])
1235
1236         AC_PREPROC_IFELSE(
1237 [AC_LANG_PROGRAM([[#define FUSE_USE_VERSION 29
1238 #ifdef __linux__
1239 #include <linux/fs.h>
1240 #include <linux/falloc.h>
1241 #include <linux/xattr.h>
1242 #endif
1243 ]], [])], [], [AC_MSG_FAILURE([Cannot find fuse2fs Linux headers.])])
1244
1245         AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1246                 [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse],
1247                               [AC_MSG_FAILURE([Cannot find fuse library.])])])
1248         AC_MSG_RESULT([Enabling fuse2fs])
1249 fi
1250 ,
1251 AC_CHECK_HEADERS([pthread.h fuse.h], [], [FUSE_CMT="#"],
1252 [#define _FILE_OFFSET_BITS      64
1253 #define FUSE_USE_VERSION 29
1254 #ifdef __linux__
1255 # include <linux/fs.h>
1256 # include <linux/falloc.h>
1257 # include <linux/xattr.h>
1258 #endif])
1259 if test -z "$FUSE_CMT"
1260 then
1261         AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1262 [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse], [FUSE_CMT="#"])])
1263 fi
1264 if test -z "$FUSE_CMT"
1265 then
1266         AC_MSG_RESULT([Enabling fuse2fs by default.])
1267 fi
1268 )
1269 AC_SUBST(FUSE_LIB)
1270 AC_SUBST(FUSE_CMT)
1271 dnl
1272 dnl See if optreset exists
1273 dnl
1274 AC_MSG_CHECKING(for optreset)
1275 AC_CACHE_VAL(ac_cv_have_optreset,
1276 [AC_EGREP_HEADER(optreset, unistd.h,
1277   ac_cv_have_optreset=yes, ac_cv_have_optreset=no)])dnl
1278 AC_MSG_RESULT($ac_cv_have_optreset)
1279 if test $ac_cv_have_optreset = yes; then
1280   AC_DEFINE(HAVE_OPTRESET, 1, [Define to 1 if optreset for getopt is present])
1281 fi
1282 dnl
1283 dnl Test for sem_init, and which library it might require:
1284 dnl
1285 AH_TEMPLATE([HAVE_SEM_INIT], [Define to 1 if sem_init() exists])
1286 SEM_INIT_LIB=''
1287 echo GL_THREADS_API: ${gl_threads_api}
1288 if test "${gl_threads_api}" != none
1289 then
1290   AC_CHECK_FUNC(sem_init, ,
1291     AC_CHECK_LIB(pthread, sem_init,
1292         AC_DEFINE(HAVE_SEM_INIT, 1)
1293         SEM_INIT_LIB=-lpthread,
1294     AC_CHECK_LIB(rt, sem_init,
1295         AC_DEFINE(HAVE_SEM_INIT, 1)
1296         SEM_INIT_LIB=-lrt,
1297     AC_CHECK_LIB(posix4, sem_init,
1298         AC_DEFINE(HAVE_SEM_INIT, 1)
1299         SEM_INIT_LIB=-lposix4))))dnl
1300 fi
1301 AC_SUBST(SEM_INIT_LIB)
1302 dnl
1303 dnl Check for unified diff
1304 dnl
1305 AC_MSG_CHECKING(for unified diff option)
1306 if diff -u $0 $0 > /dev/null 2>&1 ; then
1307    UNI_DIFF_OPTS=-u
1308 else
1309    UNI_DIFF_OPTS=-c
1310 fi
1311 AC_MSG_RESULT($UNI_DIFF_OPTS)
1312 AC_SUBST(UNI_DIFF_OPTS)
1313 dnl
1314 dnl We use the EXT2 ioctls only under Linux
1315 dnl
1316 case "$host_os" in
1317 linux*)
1318         AC_DEFINE(HAVE_EXT2_IOCTLS, 1, [Define to 1 if Ext2 ioctls present])
1319         ;;
1320 esac
1321 dnl
1322 dnl Check the available mount options
1323 dnl
1324 AX_CHECK_MOUNT_OPT(nosuid)
1325 AX_CHECK_MOUNT_OPT(nodev)
1326 dnl Enable LTO for all packages
1327 dnl
1328 AC_ARG_ENABLE([lto],
1329 [  --enable-lto           enable link time optimization],,
1330 enable_lto=no)
1331 if test "$enable_lto" = "yes" || test "$enable_lto" = "probe"; then
1332         AC_MSG_CHECKING([if C compiler supports LTO])
1333         OLD_CFLAGS="$CFLAGS"
1334         OLD_LDFLAGS="$LDFLAGS"
1335         LTO_FLAGS="-g -flto -ffat-lto-objects"
1336         CFLAGS="$CFLAGS $LTO_FLAGS"
1337         LDFLAGS="$LDFLAGS $LTO_FLAGS"
1338         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1339                 [AC_MSG_RESULT([yes])]
1340                 [lto_cflags=$LTO_FLAGS]
1341                 [lto_ldflags=$LTO_FLAGS]
1342                 [AC_PATH_PROG(gcc_ar, gcc-ar,,)]
1343                 [AC_PATH_PROG(gcc_ranlib, gcc-ranlib,,)],
1344                 [AC_MSG_RESULT([no])])
1345         if test -x "$gcc_ar" && test -x "$gcc_ranlib"; then
1346                 have_lto=yes
1347                 AR="${gcc_ar}"
1348                 RANLIB="${gcc_ranlib}"
1349         fi
1350         CFLAGS="${OLD_CFLAGS}"
1351         LDFLAGS="${OLD_LDFLAGS}"
1352         AC_SUBST(have_lto)
1353         AC_SUBST(lto_cflags)
1354         AC_SUBST(lto_ldflags)
1355 fi
1356 if test "$enable_lto" = "yes" && test "$have_lto" != "yes"; then
1357         AC_MSG_ERROR([LTO not supported by compiler.])
1358 fi
1359 dnl
1360 dnl Enable UBSAN for all packages
1361 dnl
1362 AC_ARG_ENABLE([ubsan],
1363 [  --enable-ubsan         enable undefined behavior sanitizer],,
1364 enable_ubsan=no)
1365 if test "$enable_ubsan" = "yes" || test "$enable_ubsan" = "probe"; then
1366         AC_MSG_CHECKING([if C compiler supports UBSAN])
1367         OLD_CFLAGS="$CFLAGS"
1368         OLD_LDFLAGS="$LDFLAGS"
1369         UBSAN_FLAGS="-fsanitize=undefined"
1370         CFLAGS="$CFLAGS $UBSAN_FLAGS"
1371         LDFLAGS="$LDFLAGS $UBSAN_FLAGS"
1372         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1373                 [AC_MSG_RESULT([yes])]
1374                 [ubsan_cflags=$UBSAN_FLAGS]
1375                 [ubsan_ldflags=$UBSAN_FLAGS]
1376                 [have_ubsan=yes],
1377                 [AC_MSG_RESULT([no])])
1378         CFLAGS="${OLD_CFLAGS}"
1379         LDFLAGS="${OLD_LDFLAGS}"
1380         AC_SUBST(have_ubsan)
1381         AC_SUBST(ubsan_cflags)
1382         AC_SUBST(ubsan_ldflags)
1383 fi
1384 if test "$enable_ubsan" = "yes" && test "$have_ubsan" != "yes"; then
1385         AC_MSG_ERROR([UBSAN not supported by compiler.])
1386 fi
1387 dnl
1388 dnl Enable ADDRSAN for all packages
1389 dnl
1390 AC_ARG_ENABLE([addrsan],
1391 [  --enable-addrsan       enable address sanitizer],,
1392 enable_addrsan=no)
1393 if test "$enable_addrsan" = "yes" || test "$enable_addrsan" = "probe"; then
1394         AC_MSG_CHECKING([if C compiler supports ADDRSAN])
1395         OLD_CFLAGS="$CFLAGS"
1396         OLD_LDFLAGS="$LDFLAGS"
1397         ADDRSAN_FLAGS="-fsanitize=address"
1398         CFLAGS="$CFLAGS $ADDRSAN_FLAGS"
1399         LDFLAGS="$LDFLAGS $ADDRSAN_FLAGS"
1400         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1401                 [AC_MSG_RESULT([yes])]
1402                 [addrsan_cflags=$ADDRSAN_FLAGS]
1403                 [addrsan_ldflags=$ADDRSAN_FLAGS]
1404                 [have_addrsan=yes],
1405                 [AC_MSG_RESULT([no])])
1406         CFLAGS="${OLD_CFLAGS}"
1407         LDFLAGS="${OLD_LDFLAGS}"
1408         AC_SUBST(have_addrsan)
1409         AC_SUBST(addrsan_cflags)
1410         AC_SUBST(addrsan_ldflags)
1411 fi
1412 if test "$enable_addrsan" = "yes" && test "$have_addrsan" != "yes"; then
1413         AC_MSG_ERROR([ADDRSAN not supported by compiler.])
1414 fi
1415 dnl
1416 dnl Enable THREADSAN for all packages
1417 dnl
1418 AC_ARG_ENABLE([threadsan],
1419 [  --enable-threadsan     enable thread sanitizer],,
1420 enable_threadsan=no)
1421 if test "$enable_threadsan" = "yes" || test "$enable_threadsan" = "probe"; then
1422         AC_MSG_CHECKING([if C compiler supports THREADSAN])
1423         OLD_CFLAGS="$CFLAGS"
1424         OLD_LDFLAGS="$LDFLAGS"
1425         THREADSAN_FLAGS="-fsanitize=thread"
1426         CFLAGS="$CFLAGS $THREADSAN_FLAGS"
1427         LDFLAGS="$LDFLAGS $THREADSAN_FLAGS"
1428         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1429                 [AC_MSG_RESULT([yes])]
1430                 [threadsan_cflags=$THREADSAN_FLAGS]
1431                 [threadsan_ldflags=$THREADSAN_FLAGS]
1432                 [have_threadsan=yes],
1433                 [AC_MSG_RESULT([no])])
1434         CFLAGS="${OLD_CFLAGS}"
1435         LDFLAGS="${OLD_LDFLAGS}"
1436         AC_SUBST(have_threadsan)
1437         AC_SUBST(threadsan_cflags)
1438         AC_SUBST(threadsan_ldflags)
1439 fi
1440 if test "$enable_threadsan" = "yes" && test "$have_threadsan" != "yes"; then
1441         AC_MSG_ERROR([THREADSAN not supported by compiler.])
1442 fi
1443 if test "$have_threadsan" = "yes" && test "$have_addrsan" = "yes"; then
1444         AC_MSG_WARN([ADDRSAN and THREADSAN are not known to work together.])
1445 fi
1446 dnl
1447 dnl OS-specific uncomment control
1448 dnl
1449 LINUX_CMT="#"
1450 CYGWIN_CMT="#"
1451 UNIX_CMT=
1452 case "$host_os" in
1453 linux*)
1454         LINUX_CMT=
1455         ;;
1456 cygwin)
1457         CYGWIN_CMT=
1458         UNIX_CMT="#"
1459         ;;
1460 esac
1461 AC_SUBST(LINUX_CMT)
1462 AC_SUBST(CYGWIN_CMT)
1463 AC_SUBST(UNIX_CMT)
1464 dnl
1465 dnl e2scrub only builds on linux
1466 dnl
1467 E2SCRUB_CMT="$LINUX_CMT"
1468 AC_SUBST(E2SCRUB_CMT)
1469 dnl
1470 dnl Linux and Hurd places root files in the / by default
1471 dnl
1472 case "$host_os" in
1473 linux* | gnu* | k*bsd*-gnu)
1474         if test "$prefix" = NONE -a "$root_prefix" = NONE ; then
1475                 root_prefix="";
1476                 AC_MSG_RESULT([On $host_os systems, root_prefix defaults to ''])
1477         fi
1478         ;;
1479 esac
1480 dnl
1481 dnl On Linux/hurd, force the prefix to be /usr
1482 dnl
1483 case "$host_os" in
1484 linux* | gnu* | k*bsd*-gnu)
1485         if test "$prefix" = NONE ; then
1486                 prefix="/usr";
1487                 AC_MSG_RESULT([On $host_os systems, prefix defaults to /usr])
1488                 if test "$mandir" = '${prefix}/man' ; then
1489                         AC_MSG_RESULT([...and mandir defaults to /usr/share/man])
1490                         mandir=/usr/share/man
1491                 fi
1492         fi
1493 ;;
1494 esac
1495 if test "$root_prefix" = NONE ; then
1496         if test "$prefix" = NONE ; then
1497                 root_prefix="$ac_default_prefix"
1498         else
1499                 root_prefix="$prefix"
1500         fi
1501         root_bindir=$bindir
1502         root_sbindir=$sbindir
1503         root_libdir=$libdir
1504         root_sysconfdir=$sysconfdir
1505 else
1506         root_bindir='${root_prefix}/bin'
1507         root_sbindir='${root_prefix}/sbin'
1508         root_libdir='${root_prefix}/lib'
1509         root_sysconfdir='${root_prefix}/etc'
1510 fi
1511 if test "$bindir" != '${exec_prefix}/bin'; then
1512     root_bindir=$bindir
1513     AC_MSG_RESULT([Setting root_bindir to $root_bindir])
1514 fi
1515 if test "$sbindir" != '${exec_prefix}/sbin'; then
1516     root_sbindir=$sbindir
1517     AC_MSG_RESULT([Setting root_sbindir to $root_sbindir])
1518 fi
1519 if test "$libdir" != '${exec_prefix}/lib'; then
1520     root_libdir=$libdir
1521     AC_MSG_RESULT([Setting root_libdir to $root_libdir])
1522 fi
1523 if test "$sysconfdir" != '${prefix}/etc'; then
1524     root_sysconfdir=$sysconfdir
1525     AC_MSG_RESULT([Setting root_sysconfdir to $root_sysconfdir])
1526 fi
1527 AC_SUBST(root_prefix)
1528 AC_SUBST(root_bindir)
1529 AC_SUBST(root_sbindir)
1530 AC_SUBST(root_libdir)
1531 AC_SUBST(root_sysconfdir)
1532 dnl
1533 dnl Allow specification of the multiarch arch
1534 dnl
1535 AC_ARG_WITH([multiarch],
1536 [  --with-multiarch=ARCH specify the multiarch triplet],
1537 if test "$withval" = "lib64"; then
1538     libdir=/usr/lib64
1539     root_libdir=/lib64
1540 else
1541     libdir=$libdir/$withval
1542     root_libdir=$root_libdir/$withval
1543 fi
1544 )
1545 dnl
1546 dnl
1547 dnl See if -static works.  This could fail if the linker does not
1548 dnl support -static, or if required external libraries are not available
1549 dnl in static form.
1550 dnl
1551 AC_MSG_CHECKING([whether we can link with -static])
1552 AC_CACHE_VAL(ac_cv_e2fsprogs_use_static,
1553 [SAVE_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS_STATIC -static"
1554 AC_TRY_LINK([#include <stdio.h>],[fflush(stdout);],
1555  ac_cv_e2fsprogs_use_static=yes, ac_cv_e2fsprogs_use_static=no)
1556 LDFLAGS=$SAVE_LDFLAGS])
1557 dnl
1558 dnl Regardless of how the test turns out, Solaris doesn't handle -static
1559 dnl This is caused by the socket library requiring the nsl library, which
1560 dnl requires the -dl library, which only works for dynamically linked 
1561 dnl programs.  It basically means you can't have statically linked programs
1562 dnl which use the network under Solaris.  
1563 dnl
1564 case "$host_os" in
1565 solaris2.*)
1566         ac_cv_e2fsprogs_use_static=no   
1567 ;;
1568 esac
1569 AC_MSG_RESULT($ac_cv_e2fsprogs_use_static)
1570 if test $ac_cv_e2fsprogs_use_static = yes; then
1571         LDFLAGS_STATIC="$LDFLAGS_STATIC -static"
1572 fi
1573 AC_SUBST(LDFLAGS_STATIC)
1574 dnl
1575 dnl Work around mysterious Darwin / GNU libintl problem
1576 dnl (__asm__ redirection doesn't work for some mysterious reason.  Looks like
1577 dnl Apple hacked gcc somehow?)
1578 dnl
1579 case "$host_os" in
1580 darwin*)
1581         AC_MSG_RESULT([Using Apple Darwin / GNU libintl workaround])
1582         AC_DEFINE(_INTL_REDIRECT_MACROS, 1,
1583                 [Define to 1 if Apple Darwin libintl workaround is needed])
1584         ;;
1585 esac
1586 dnl
1587 dnl Only try to run the test suite if we're not cross compiling.
1588 dnl
1589 if test "$cross_compiling" = yes ; then
1590   DO_TEST_SUITE=
1591 else
1592   DO_TEST_SUITE=check
1593 fi
1594 AC_SUBST(DO_TEST_SUITE)
1595 dnl
1596 dnl Only include the intl include files if we're building with them
1597 dnl
1598 INCLUDES='-I. -I$(top_builddir)/lib -I$(top_srcdir)/lib'
1599 if test -n "$CPPFLAGS" ; then
1600         INCLUDES="$INCLUDES $CPPFLAGS"
1601 fi
1602 if test "$USE_INCLUDED_LIBINTL" = "yes" ; then
1603         INCLUDES=$INCLUDES' -I$(top_builddir)/intl -I$(top_srcdir)/intl'
1604 fi
1605 if test -n "$WITH_DIET_LIBC" ; then
1606         INCLUDES="$INCLUDES -D_REENTRANT"
1607 fi
1608 AC_SUBST(INCLUDES)
1609 dnl
1610 dnl Build CFLAGS
1611 dnl
1612 if test $cross_compiling = no; then
1613    BUILD_CFLAGS="$CFLAGS $CPPFLAGS $INCLUDES -DHAVE_CONFIG_H"
1614    BUILD_LDFLAGS="$LDFLAGS"
1615 fi
1616 AC_SUBST(BUILD_CFLAGS)
1617 AC_SUBST(BUILD_LDFLAGS)
1618 dnl
1619 dnl Define CFLAGS and LDFLAGS for shared libraries
1620 dnl
1621 CFLAGS_SHLIB=${CFLAGS_SHLIB:-$CFLAGS}
1622 CFLAGS_STLIB=${CFLAGS_STLIB:-$CFLAGS}
1623 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
1624 AC_SUBST(CFLAGS_SHLIB)
1625 AC_SUBST(CFLAGS_STLIB)
1626 AC_SUBST(LDFLAGS_SHLIB)
1627
1628 dnl
1629 dnl Where do udev rules go?
1630 dnl
1631 AC_ARG_WITH([udev_rules_dir],
1632   [AS_HELP_STRING([--with-udev-rules-dir@<:@=DIR@:>@],
1633         [Install udev rules into DIR.])],
1634   [],
1635   [with_udev_rules_dir=yes])
1636 AS_IF([test "x${with_udev_rules_dir}" != "xno"],
1637   [
1638         AS_IF([test "x${with_udev_rules_dir}" = "xyes"],
1639           [
1640                 PKG_CHECK_MODULES([udev], [udev],
1641                   [
1642                         with_udev_rules_dir="$($PKG_CONFIG --variable=udevdir udev)/rules.d"
1643                   ], [
1644                         with_udev_rules_dir=""
1645                   ])
1646           ])
1647         AC_MSG_CHECKING([for udev rules dir])
1648         pkg_udev_rules_dir="${with_udev_rules_dir}"
1649         AS_IF([test -n "${pkg_udev_rules_dir}"],
1650           [
1651                 AC_MSG_RESULT(${pkg_udev_rules_dir})
1652                 have_udev="yes"
1653           ],
1654           [
1655                 AC_MSG_RESULT(no)
1656                 have_udev="no"
1657           ])
1658   ],
1659   [
1660         have_udev="disabled"
1661   ])
1662 AC_SUBST(have_udev)
1663 AC_SUBST(pkg_udev_rules_dir)
1664
1665 dnl
1666 dnl Where do cron jobs go?
1667 dnl
1668 AC_ARG_WITH([crond_dir],
1669   [AS_HELP_STRING([--with-crond-dir@<:@=DIR@:>@],
1670         [Install system crontabs into DIR.])],
1671   [],
1672   [with_crond_dir=yes])
1673 AS_IF([test "x${with_crond_dir}" != "xno"],
1674   [
1675         AS_IF([test "x${with_crond_dir}" = "xyes"],
1676           [
1677                 AS_IF([test -d "/etc/cron.d"],
1678                   [with_crond_dir="/etc/cron.d"],
1679                   [have_crond="no"; with_crond_dir=""])
1680           ])
1681         AC_MSG_CHECKING([for system crontab dir])
1682         crond_dir="${with_crond_dir}"
1683         AS_IF([test -n "${crond_dir}"],
1684           [
1685                 AC_MSG_RESULT(${crond_dir})
1686                 have_crond="yes"
1687           ],
1688           [
1689                 AC_MSG_RESULT(no)
1690                 have_crond="no"
1691           ])
1692   ],
1693   [
1694         have_crond="disabled"
1695   ])
1696 AC_SUBST(have_crond)
1697 AC_SUBST(crond_dir)
1698
1699 dnl
1700 dnl Where do systemd services go?
1701 dnl
1702 AC_ARG_WITH([systemd_unit_dir],
1703   [AS_HELP_STRING([--with-systemd-unit-dir@<:@=DIR@:>@],
1704         [Install systemd system units into DIR.])],
1705   [],
1706   [with_systemd_unit_dir=yes])
1707 AS_IF([test "x${with_systemd_unit_dir}" != "xno"],
1708   [
1709         AS_IF([test "x${with_systemd_unit_dir}" = "xyes"],
1710           [
1711                 PKG_CHECK_MODULES([systemd], [systemd],
1712                   [
1713                         with_systemd_unit_dir="$($PKG_CONFIG --variable=systemdsystemunitdir systemd)"
1714                   ], [
1715                         with_systemd_unit_dir=""
1716                   ])
1717                 m4_pattern_allow([^PKG_(MAJOR|MINOR|BUILD|REVISION)$])
1718           ])
1719         AC_MSG_CHECKING([for systemd system unit dir])
1720         systemd_system_unit_dir="${with_systemd_unit_dir}"
1721         AS_IF([test -n "${systemd_system_unit_dir}"],
1722           [
1723                 AC_MSG_RESULT(${systemd_system_unit_dir})
1724                 have_systemd="yes"
1725           ],
1726           [
1727                 AC_MSG_RESULT(no)
1728                 have_systemd="no"
1729           ])
1730   ],
1731   [
1732         have_systemd="disabled"
1733   ])
1734 AC_SUBST(have_systemd)
1735 AC_SUBST(systemd_system_unit_dir)
1736
1737 dnl
1738 dnl Make our output files, being sure that we create the some miscellaneous 
1739 dnl directories
1740 dnl
1741 test -d lib || mkdir lib
1742 test -d include || mkdir include
1743 test -d include/linux || mkdir include/linux
1744 test -d include/asm || mkdir include/asm
1745 if test -z "$UUID_CMT" ; then
1746         uuid_out_list="lib/uuid/Makefile lib/uuid/uuid.pc \
1747                 lib/uuid/uuid_types.h"
1748 fi
1749 if test -z "$BLKID_CMT" ; then
1750         blkid_out_list="lib/blkid/Makefile lib/blkid/blkid.pc \
1751                 lib/blkid/blkid_types.h"
1752 fi
1753 for i in MCONFIG Makefile \
1754         e2fsprogs-RHEL-6.spec \
1755         e2fsprogs-SUSE_LINUX-11+12.spec \
1756         e2fsprogs-RHEL-7+8.spec \
1757         util/Makefile util/subst.conf util/gen-tarball util/install-symlink \
1758         lib/et/Makefile lib/ss/Makefile lib/e2p/Makefile \
1759         lib/ext2fs/Makefile lib/ext2fs/ext2_types.h \
1760         $uuid_out_list $blkid_out_list lib/support/Makefile \
1761         lib/ss/ss.pc lib/et/com_err.pc lib/e2p/e2p.pc lib/ext2fs/ext2fs.pc \
1762         misc/Makefile ext2ed/Makefile e2fsck/Makefile \
1763         debugfs/Makefile tests/Makefile tests/progs/Makefile \
1764         resize/Makefile doc/Makefile intl/Makefile \
1765         intl/libgnuintl.h po/Makefile.in scrub/Makefile; do
1766         if test -d `dirname ${srcdir}/$i` ; then
1767                 outlist="$outlist $i"
1768         fi
1769 done
1770 AC_OUTPUT($outlist)
1771 if test -f util/gen-tarball; then chmod +x util/gen-tarball; fi