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[FreeBSD/FreeBSD.git] / configure.ac
1 dnl Process this file with autoconf to produce a configure script.
2
3 dnl First, define all of the version numbers up front.
4 dnl In particular, this allows the version macro to be used in AC_INIT
5
6 dnl These first two version numbers are updated automatically on each release.
7 m4_define([LIBARCHIVE_VERSION_S],[3.3.2dev])
8 m4_define([LIBARCHIVE_VERSION_N],[3003002])
9
10 dnl bsdtar and bsdcpio versioning tracks libarchive
11 m4_define([BSDTAR_VERSION_S],LIBARCHIVE_VERSION_S())
12 m4_define([BSDCPIO_VERSION_S],LIBARCHIVE_VERSION_S())
13 m4_define([BSDCAT_VERSION_S],LIBARCHIVE_VERSION_S())
14
15 AC_PREREQ([2.69])
16
17 #
18 # Now starts the "real" configure script.
19 #
20
21 AC_INIT([libarchive],[LIBARCHIVE_VERSION_S()],[libarchive-discuss@googlegroups.com])
22 # Make sure the srcdir contains "libarchive" directory
23 AC_CONFIG_SRCDIR([libarchive])
24 # Use auxiliary subscripts from this subdirectory (cleans up root)
25 AC_CONFIG_AUX_DIR([build/autoconf])
26 # M4 scripts
27 AC_CONFIG_MACRO_DIR([build/autoconf])
28 # Must follow AC_CONFIG macros above...
29 AM_INIT_AUTOMAKE()
30 AM_MAINTAINER_MODE([enable])
31 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
32
33 # Libtool's "interface version" can be computed from the libarchive version.
34
35 # Libtool interface version bumps on any API change, so increments
36 # whenever libarchive minor version does.
37 ARCHIVE_MINOR=$(( (LIBARCHIVE_VERSION_N() / 1000) % 1000 ))
38 # Libarchive 2.7 == libtool interface 9 = 2 + 7
39 # Libarchive 2.8 == libtool interface 10 = 2 + 8
40 # Libarchive 2.9 == libtool interface 11 = 2 + 8
41 # Libarchive 3.0 == libtool interface 12
42 # Libarchive 3.1 == libtool interface 13
43 ARCHIVE_INTERFACE=`echo $((13 + ${ARCHIVE_MINOR}))`
44 # Libarchive revision is bumped on any source change === libtool revision
45 ARCHIVE_REVISION=$(( LIBARCHIVE_VERSION_N() % 1000 ))
46 # Libarchive minor is bumped on any interface addition === libtool age
47 ARCHIVE_LIBTOOL_VERSION=$ARCHIVE_INTERFACE:$ARCHIVE_REVISION:$ARCHIVE_MINOR
48
49 # Stick the version numbers into config.h
50 AC_DEFINE([LIBARCHIVE_VERSION_STRING],"LIBARCHIVE_VERSION_S()",
51         [Version number of libarchive])
52 AC_DEFINE_UNQUOTED([LIBARCHIVE_VERSION_NUMBER],"LIBARCHIVE_VERSION_N()",
53         [Version number of libarchive as a single integer])
54 AC_DEFINE([BSDCPIO_VERSION_STRING],"BSDCPIO_VERSION_S()",
55         [Version number of bsdcpio])
56 AC_DEFINE([BSDTAR_VERSION_STRING],"BSDTAR_VERSION_S()",
57         [Version number of bsdtar])
58 AC_DEFINE([BSDCAT_VERSION_STRING],"BSDTAR_VERSION_S()",
59         [Version number of bsdcat])
60
61 # The shell variables here must be the same as the AC_SUBST() variables
62 # below, but the shell variable names apparently cannot be the same as
63 # the m4 macro names above.  Why?  Ask autoconf.
64 BSDCPIO_VERSION_STRING=BSDCPIO_VERSION_S()
65 BSDTAR_VERSION_STRING=BSDTAR_VERSION_S()
66 BSDCAT_VERSION_STRING=BSDCAT_VERSION_S()
67 LIBARCHIVE_VERSION_STRING=LIBARCHIVE_VERSION_S()
68 LIBARCHIVE_VERSION_NUMBER=LIBARCHIVE_VERSION_N()
69
70 # Substitute the above version numbers into the various files below.
71 # Yes, I believe this is the fourth time we define what are essentially
72 # the same symbols.  Why? Ask autoconf.
73 AC_SUBST(ARCHIVE_LIBTOOL_VERSION)
74 AC_SUBST(BSDCPIO_VERSION_STRING)
75 AC_SUBST(BSDTAR_VERSION_STRING)
76 AC_SUBST(BSDCAT_VERSION_STRING)
77 AC_SUBST(LIBARCHIVE_VERSION_STRING)
78 AC_SUBST(LIBARCHIVE_VERSION_NUMBER)
79
80 AC_CONFIG_HEADERS([config.h])
81 AC_CONFIG_FILES([Makefile])
82 AC_CONFIG_FILES([build/pkgconfig/libarchive.pc])
83
84 # Check for host type
85 AC_CANONICAL_HOST
86
87 dnl Compilation on mingw and Cygwin needs special Makefile rules
88 inc_windows_files=no
89 inc_cygwin_files=no
90 case "$host_os" in
91   *mingw* ) inc_windows_files=yes ;;
92   *cygwin* | *msys*) inc_cygwin_files=yes ;;
93 esac
94 AM_CONDITIONAL([INC_WINDOWS_FILES], [test $inc_windows_files = yes])
95 AM_CONDITIONAL([INC_CYGWIN_FILES], [test $inc_cygwin_files = yes])
96
97 dnl Defines that are required for specific platforms (e.g. -D_POSIX_SOURCE, etc)
98 PLATFORMCPPFLAGS=
99 case "$host_os" in
100   *mingw* ) PLATFORMCPPFLAGS=-D__USE_MINGW_ANSI_STDIO ;;
101 esac
102 AC_SUBST(PLATFORMCPPFLAGS)
103
104 # Checks for programs.
105 AC_PROG_CC
106 AM_PROG_CC_C_O
107 AC_USE_SYSTEM_EXTENSIONS
108 AC_LIBTOOL_WIN32_DLL
109 AC_PROG_LIBTOOL
110 AC_CHECK_TOOL([STRIP],[strip])
111 AC_PROG_MKDIR_P
112
113 #
114 # Options for building bsdtar.
115 #
116 # Default is to build bsdtar, but allow people to override that.
117 #
118 AC_ARG_ENABLE([bsdtar],
119         [AS_HELP_STRING([--enable-bsdtar], [enable build of bsdtar (default)])
120         AS_HELP_STRING([--enable-bsdtar=static], [force static build of bsdtar])
121         AS_HELP_STRING([--enable-bsdtar=shared], [force dynamic build of bsdtar])
122 AS_HELP_STRING([--disable-bsdtar], [disable build of bsdtar])],
123         [], [enable_bsdtar=yes])
124
125 case "$enable_bsdtar" in
126 yes)
127         if test "$enable_static" = "no"; then
128                 static_bsdtar=no
129         else
130                 static_bsdtar=yes
131         fi
132         build_bsdtar=yes
133         ;;
134 dynamic|shared)
135         if test "$enable_shared" = "no"; then
136                 AC_MSG_FAILURE([Shared linking of bsdtar requires shared libarchive])
137         fi
138         build_bsdtar=yes
139         static_bsdtar=no
140         ;;
141 static)
142         build_bsdtar=yes
143         static_bsdtar=yes
144         ;;
145 no)
146         build_bsdtar=no
147         static_bsdtar=no
148         ;;
149 *)
150         AC_MSG_FAILURE([Unsupported value for --enable-bsdtar])
151         ;;
152 esac
153
154 AM_CONDITIONAL([BUILD_BSDTAR], [ test "$build_bsdtar" = yes ])
155 AM_CONDITIONAL([STATIC_BSDTAR], [ test "$static_bsdtar" = yes ])
156
157 #
158 # Options for building bsdcat.
159 #
160 # Default is to build bsdcat, but allow people to override that.
161 #
162 AC_ARG_ENABLE([bsdcat],
163         [AS_HELP_STRING([--enable-bsdcat], [enable build of bsdcat (default)])
164         AS_HELP_STRING([--enable-bsdcat=static], [force static build of bsdcat])
165         AS_HELP_STRING([--enable-bsdcat=shared], [force dynamic build of bsdcat])
166 AS_HELP_STRING([--disable-bsdcat], [disable build of bsdcat])],
167         [], [enable_bsdcat=yes])
168
169 case "$enable_bsdcat" in
170 yes)
171         if test "$enable_static" = "no"; then
172                 static_bsdcat=no
173         else
174                 static_bsdcat=yes
175         fi
176         build_bsdcat=yes
177         ;;
178 dynamic|shared)
179         if test "$enable_shared" = "no"; then
180                 AC_MSG_FAILURE([Shared linking of bsdcat requires shared libarchive])
181         fi
182         build_bsdcat=yes
183         static_bsdcat=no
184         ;;
185 static)
186         build_bsdcat=yes
187         static_bsdcat=yes
188         ;;
189 no)
190         build_bsdcat=no
191         static_bsdcat=no
192         ;;
193 *)
194         AC_MSG_FAILURE([Unsupported value for --enable-bsdcat])
195         ;;
196 esac
197
198 AM_CONDITIONAL([BUILD_BSDCAT], [ test "$build_bsdcat" = yes ])
199 AM_CONDITIONAL([STATIC_BSDCAT], [ test "$static_bsdcat" = yes ])
200
201 #
202 # Options for building bsdcpio.
203 #
204 # Default is not to build bsdcpio, but that can be overridden.
205 #
206 AC_ARG_ENABLE([bsdcpio],
207         [AS_HELP_STRING([--enable-bsdcpio], [enable build of bsdcpio (default)])
208         AS_HELP_STRING([--enable-bsdcpio=static], [static build of bsdcpio])
209         AS_HELP_STRING([--enable-bsdcpio=shared], [dynamic build of bsdcpio])
210 AS_HELP_STRING([--disable-bsdcpio], [disable build of bsdcpio])],
211         [], [enable_bsdcpio=yes])
212
213 case "$enable_bsdcpio" in
214 yes)
215         if test "$enable_static" = "no"; then
216            static_bsdcpio=no
217         else
218            static_bsdcpio=yes
219         fi
220         build_bsdcpio=yes
221         ;;
222 dynamic|shared)
223         if test "$enabled_shared" = "no"; then
224            AC_MSG_FAILURE([Shared linking of bsdcpio requires shared libarchive])
225         fi
226         build_bsdcpio=yes
227         ;;
228 static)
229         build_bsdcpio=yes
230         static_bsdcpio=yes
231         ;;
232 no)
233         build_bsdcpio=no
234         static_bsdcpio=no
235         ;;
236 *)
237         AC_MSG_FAILURE([Unsupported value for --enable-bsdcpio])
238         ;;
239 esac
240
241 AM_CONDITIONAL([BUILD_BSDCPIO], [ test "$build_bsdcpio" = yes ])
242 AM_CONDITIONAL([STATIC_BSDCPIO], [ test "$static_bsdcpio" = yes ])
243
244 # Set up defines needed before including any headers
245 case $host in
246   *mingw* | *cygwin* | *msys*  )
247   AC_DEFINE([_WIN32_WINNT], 0x0502, [Define to '0x0502' for Windows Server 2003 APIs.])
248   AC_DEFINE([WINVER], 0x0502, [Define to '0x0502' for Windows Server 2003 APIs.])
249   AC_DEFINE([NTDDI_VERSION], 0x05020000, [Define to '0x05020000' for Windows Server 2003 APIs.])
250   ;;
251 esac
252
253 # Checks for header files.
254 AC_HEADER_DIRENT
255 AC_HEADER_SYS_WAIT
256 AC_CHECK_HEADERS([acl/libacl.h attr/xattr.h])
257 AC_CHECK_HEADERS([copyfile.h ctype.h])
258 AC_CHECK_HEADERS([errno.h ext2fs/ext2_fs.h fcntl.h grp.h])
259
260 AC_CACHE_CHECK([whether EXT2_IOC_GETFLAGS is usable],
261     [ac_cv_have_decl_EXT2_IOC_GETFLAGS],
262     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([@%:@include <sys/ioctl.h>
263 @%:@include <ext2fs/ext2_fs.h>],
264                                    [int x = EXT2_IOC_GETFLAGS])],
265                   [AS_VAR_SET([ac_cv_have_decl_EXT2_IOC_GETFLAGS], [yes])],
266                   [AS_VAR_SET([ac_cv_have_decl_EXT2_IOC_GETFLAGS], [no])])])
267
268 AS_VAR_IF([ac_cv_have_decl_EXT2_IOC_GETFLAGS], [yes],
269     [AC_DEFINE_UNQUOTED([HAVE_WORKING_EXT2_IOC_GETFLAGS], [1],
270                     [Define to 1 if you have a working EXT2_IOC_GETFLAGS])])
271
272 AC_CHECK_HEADERS([inttypes.h io.h langinfo.h limits.h])
273 AC_CHECK_HEADERS([linux/fiemap.h linux/fs.h linux/magic.h linux/types.h])
274
275 AC_CACHE_CHECK([whether FS_IOC_GETFLAGS is usable],
276     [ac_cv_have_decl_FS_IOC_GETFLAGS],
277     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([@%:@include <sys/ioctl.h>
278 @%:@include <linux/fs.h>],
279                                    [int x = FS_IOC_GETFLAGS])],
280                   [AS_VAR_SET([ac_cv_have_decl_FS_IOC_GETFLAGS], [yes])],
281                   [AS_VAR_SET([ac_cv_have_decl_FS_IOC_GETFLAGS], [no])])])
282
283 AS_VAR_IF([ac_cv_have_decl_FS_IOC_GETFLAGS], [yes],
284     [AC_DEFINE_UNQUOTED([HAVE_WORKING_FS_IOC_GETFLAGS], [1],
285                     [Define to 1 if you have a working FS_IOC_GETFLAGS])])
286
287 AC_CHECK_HEADERS([locale.h membership.h paths.h poll.h pthread.h pwd.h])
288 AC_CHECK_HEADERS([readpassphrase.h signal.h spawn.h])
289 AC_CHECK_HEADERS([stdarg.h stdint.h stdlib.h string.h])
290 AC_CHECK_HEADERS([sys/acl.h sys/cdefs.h sys/ea.h sys/extattr.h])
291 AC_CHECK_HEADERS([sys/ioctl.h sys/mkdev.h sys/mount.h])
292 AC_CHECK_HEADERS([sys/param.h sys/poll.h sys/richacl.h])
293 AC_CHECK_HEADERS([sys/select.h sys/statfs.h sys/statvfs.h])
294 AC_CHECK_HEADERS([sys/time.h sys/utime.h sys/utsname.h sys/vfs.h sys/xattr.h])
295 AC_CHECK_HEADERS([time.h unistd.h utime.h wchar.h wctype.h])
296 AC_CHECK_HEADERS([windows.h])
297 # check windows.h first; the other headers require it.
298 AC_CHECK_HEADERS([wincrypt.h winioctl.h],[],[],
299 [[#ifdef HAVE_WINDOWS_H
300 # include <windows.h>
301 #endif
302 ]])
303
304 # Checks for libraries.
305 AC_ARG_WITH([zlib],
306   AS_HELP_STRING([--without-zlib], [Don't build support for gzip through zlib]))
307
308 if test "x$with_zlib" != "xno"; then
309   AC_CHECK_HEADERS([zlib.h])
310   AC_CHECK_LIB(z,inflate)
311 fi
312
313 AC_ARG_WITH([bz2lib],
314   AS_HELP_STRING([--without-bz2lib], [Don't build support for bzip2 through bz2lib]))
315
316 if test "x$with_bz2lib" != "xno"; then
317   AC_CHECK_HEADERS([bzlib.h])
318   case "$host_os" in
319     *mingw* | *cygwin* | *msys*)
320       dnl AC_CHECK_LIB cannot be used on the Windows port of libbz2, therefore
321           dnl use AC_LINK_IFELSE.
322           AC_MSG_CHECKING([for BZ2_bzDecompressInit in -lbz2])
323       old_LIBS="$LIBS"
324       LIBS="-lbz2 $LIBS"
325       AC_LINK_IFELSE(
326         [AC_LANG_SOURCE(#include <bzlib.h>
327           int main() { return BZ2_bzDecompressInit(NULL, 0, 0); })],
328         [ac_cv_lib_bz2_BZ2_bzDecompressInit=yes],
329         [ac_cv_lib_bz2_BZ2_bzDecompressInit=no])
330       LIBS="$old_LIBS"
331           AC_MSG_RESULT($ac_cv_lib_bz2_BZ2_bzDecompressInit)
332       if test "x$ac_cv_lib_bz2_BZ2_bzDecompressInit" = xyes; then
333         AC_DEFINE([HAVE_LIBBZ2], [1], [Define to 1 if you have the `bz2' library (-lbz2).])
334         LIBS="-lbz2 $LIBS"
335       fi
336     ;;
337     *)
338       AC_CHECK_LIB(bz2,BZ2_bzDecompressInit)
339     ;;
340   esac
341 fi
342
343 AC_ARG_WITH([iconv],
344   AS_HELP_STRING([--without-iconv], [Don't try to link against iconv]))
345
346 if test "x$with_iconv" != "xno"; then
347   AM_ICONV
348   AC_CHECK_HEADERS([iconv.h],[],[],[#include <stdlib.h>])
349   if test "x$am_cv_func_iconv" = "xyes"; then
350     AC_CHECK_HEADERS([localcharset.h])
351     am_save_LIBS="$LIBS"
352     LIBS="${LIBS} ${LIBICONV}"
353     AC_CHECK_FUNCS([locale_charset])
354     LIBS="${am_save_LIBS}"
355     if test "x$ac_cv_func_locale_charset" != "xyes"; then
356       # If locale_charset() is not in libiconv, we have to find libcharset. 
357       AC_CHECK_LIB(charset,locale_charset)
358     fi
359   fi
360 fi
361
362 AC_ARG_WITH([lz4],
363   AS_HELP_STRING([--without-lz4], [Don't build support for lz4 through liblz4]))
364
365 if test "x$with_lz4" != "xno"; then
366   AC_CHECK_HEADERS([lz4.h lz4hc.h])
367   AC_CHECK_LIB(lz4,LZ4_decompress_safe)
368 fi
369
370 AC_ARG_WITH([lzma],
371   AS_HELP_STRING([--without-lzma], [Don't build support for xz through lzma]))
372
373 if test "x$with_lzma" != "xno"; then
374   AC_CHECK_HEADERS([lzma.h])
375   AC_CHECK_LIB(lzma,lzma_stream_decoder)
376   # Some pre-release (but widely distributed) versions of liblzma
377   # included a disabled version of lzma_stream_encoder_mt that
378   # fools a naive AC_CHECK_LIB or AC_CHECK_FUNC, so we need
379   # to do something more complex here:
380   AC_CACHE_CHECK(
381     [whether we have multithread support in lzma],
382     ac_cv_lzma_has_mt,
383     [AC_LINK_IFELSE([
384       AC_LANG_PROGRAM([[#include <lzma.h>]
385                        [#if LZMA_VERSION < 50020000]
386                        [#error unsupported]
387                        [#endif]],
388                       [[lzma_stream_encoder_mt(0, 0);]])],
389       [ac_cv_lzma_has_mt=yes], [ac_cv_lzma_has_mt=no])])
390   if test "x$ac_cv_lzma_has_mt" != xno; then
391           AC_DEFINE([HAVE_LZMA_STREAM_ENCODER_MT], [1], [Define to 1 if you have the `lzma_stream_encoder_mt' function.])
392   fi
393 fi
394
395 AC_ARG_WITH([lzo2],
396   AS_HELP_STRING([--with-lzo2], [Build with LZO support from liblzo2]))
397
398 if test "x$with_lzo2" = "xyes"; then
399   AC_CHECK_HEADERS([lzo/lzoconf.h lzo/lzo1x.h])
400   AC_CHECK_LIB(lzo2,lzo1x_decompress_safe)
401 fi
402
403 AC_ARG_WITH([cng],
404   AS_HELP_STRING([--without-cng], [Don't build support of CNG(Crypto Next Generation)]))
405
406 AC_ARG_WITH([nettle],
407   AS_HELP_STRING([--without-nettle], [Don't build with crypto support from Nettle]))
408 AC_ARG_WITH([openssl],
409   AS_HELP_STRING([--without-openssl], [Don't build support for mtree and xar hashes through openssl]))
410 case "$host_os" in
411   *darwin* ) with_openssl=no ;;
412 esac
413
414 AC_ARG_WITH([xml2],
415   AS_HELP_STRING([--without-xml2], [Don't build support for xar through libxml2]))
416 AC_ARG_WITH([expat],
417   AS_HELP_STRING([--without-expat], [Don't build support for xar through expat]))
418
419 if test "x$with_xml2" != "xno"; then
420   PKG_PROG_PKG_CONFIG
421   PKG_CHECK_MODULES(LIBXML2_PC, [libxml-2.0], [
422     CPPFLAGS="${CPPFLAGS} ${LIBXML2_PC_CFLAGS}"
423     LIBS="${LIBS} ${LIBXML2_PC_LIBS}"
424     AC_CHECK_LIB(xml2,xmlInitParser,[true],AC_MSG_FAILURE(Missing xml2 library))
425   ], [
426     AC_CHECK_LIB(xml2,xmlInitParser)
427   ])
428   AC_CHECK_HEADERS([libxml/xmlreader.h libxml/xmlwriter.h])
429 fi
430 if test "x$ac_cv_header_libxml_xmlreader_h" != "xyes"; then
431   if test "x$with_expat" != "xno"; then
432     AC_CHECK_HEADERS([expat.h])
433     AC_CHECK_LIB(expat,XML_ParserCreate)
434   fi
435 fi
436
437 AC_ARG_ENABLE([posix-regex-lib],
438   [AS_HELP_STRING([--enable-posix-regex-lib],
439     [choose what library to use for POSIX regular expression support (default: auto)])
440   AS_HELP_STRING([--enable-posix-regex-lib=libc], [use libc POSIX regular expression support])
441   AS_HELP_STRING([--enable-posix-regex-lib=libregex], [use libregex POSIX regular expression support])
442   AS_HELP_STRING([--enable-posix-regex-lib=libpcreposix], [use libpcreposix POSIX regular expression support])
443   AS_HELP_STRING([--disable-posix-regex-lib], [don't enable POSIX regular expression support])],
444   [], [enable_posix_regex_lib=auto])
445
446 posix_regex_lib_found=
447 if test "$enable_posix_regex_lib" = "auto" || test "$enable_posix_regex_lib" = "libc" || test "$enable_posix_regex_lib" = "libregex"; then
448   AC_CHECK_HEADERS([regex.h])
449   if test "x$ac_cv_header_regex_h" != "xno"; then
450     AC_CHECK_FUNC(regcomp)
451     if test "x$ac_cv_func_regcomp" = xyes; then
452       posix_regex_lib_found=1
453     else
454       AC_CHECK_LIB(regex,regcomp)
455       if test "x$ac_cv_lib_regex_regcomp" = xyes; then
456         posix_regex_lib_found=1
457       fi
458     fi
459   fi
460 fi
461 if test -z $posix_regex_lib_found && (test "$enable_posix_regex_lib" = "auto" || test "$enable_posix_regex_lib" = "libpcreposix"); then
462   AC_CHECK_HEADERS([pcreposix.h])
463   AC_CHECK_LIB(pcreposix,regcomp)
464   if test "x$ac_cv_lib_pcreposix_regcomp" != xyes; then
465     AC_MSG_NOTICE(trying libpcreposix check again with libpcre)
466         unset ac_cv_lib_pcreposix_regcomp
467         AC_CHECK_LIB(pcre,pcre_exec)
468     AC_CHECK_LIB(pcreposix,regcomp)
469     if test "x$ac_cv_lib_pcre_pcre_exec" = xyes && test "x$ac_cv_lib_pcreposix_regcomp" = xyes; then
470       AC_MSG_CHECKING(if PCRE_STATIC needs to be defined)
471       AC_LINK_IFELSE(
472         [AC_LANG_SOURCE(#include <pcreposix.h>
473           int main() { return regcomp(NULL, NULL, 0); })],
474         [without_pcre_static=yes],
475         [without_pcre_static=no])
476       AC_LINK_IFELSE(
477         [AC_LANG_SOURCE(#define PCRE_STATIC
478           #include <pcreposix.h>
479           int main() { return regcomp(NULL, NULL, 0); })],
480         [with_pcre_static=yes],
481         [with_pcre_static=no])
482       if test "x$without_pcre_static" != xyes && test "x$with_pcre_static" = xyes; then
483         AC_MSG_RESULT(yes)
484         AC_DEFINE([PCRE_STATIC], [1], [Define to 1 if PCRE_STATIC needs to be defined.])
485       elif test "x$without_pcre_static" = xyes || test "x$with_pcre_static" = xyes; then
486         AC_MSG_RESULT(no)
487       fi
488       posix_regex_lib_found=1
489     fi
490   else
491     posix_regex_lib_found=1
492   fi
493 fi
494
495 # TODO: Give the user the option of using a pre-existing system
496 # libarchive.  This will define HAVE_LIBARCHIVE which will cause
497 # bsdtar_platform.h to use #include <...> for the libarchive headers.
498 # Need to include Makefile.am magic to link against system
499 # -larchive in that case.
500 #AC_CHECK_LIB(archive,archive_version)
501
502 # Checks for supported compiler flags
503 AX_APPEND_COMPILE_FLAGS([-Wall -Wformat -Wformat-security])
504
505 # Checks for typedefs, structures, and compiler characteristics.
506 AC_C_CONST
507 # la_TYPE_UID_T defaults to "int", which is incorrect for MinGW
508 # and MSVC. Use a customized version.
509 la_TYPE_UID_T
510 AC_TYPE_MODE_T
511 # AC_TYPE_OFF_T defaults to "long", which limits us to 4GB files on
512 # most systems... default to "long long" instead.
513 AC_CHECK_TYPE(off_t, [long long])
514 AC_TYPE_SIZE_T
515 AC_CHECK_TYPE(id_t, [unsigned long])
516 AC_CHECK_TYPE(uintptr_t, [unsigned int])
517
518 # Check for tm_gmtoff in struct tm
519 AC_CHECK_MEMBERS([struct tm.tm_gmtoff, struct tm.__tm_gmtoff],,,
520 [
521 #include <time.h>
522 ])
523
524 # Check for f_namemax in struct statfs
525 AC_CHECK_MEMBERS([struct statfs.f_namemax],,,
526 [
527 #include <sys/param.h>
528 #include <sys/mount.h>
529 ])
530
531 # Check for f_iosize in struct statvfs
532 AC_CHECK_MEMBERS([struct statvfs.f_iosize],,,
533 [
534 #include <sys/statvfs.h>
535 ])
536
537 # Check for birthtime in struct stat
538 AC_CHECK_MEMBERS([struct stat.st_birthtime])
539
540 # Check for high-resolution timestamps in struct stat
541 AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
542 AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec])
543 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec])
544 AC_CHECK_MEMBERS([struct stat.st_mtime_n]) # AIX
545 AC_CHECK_MEMBERS([struct stat.st_umtime]) # Tru64
546 AC_CHECK_MEMBERS([struct stat.st_mtime_usec]) # Hurd
547 # Check for block size support in struct stat
548 AC_CHECK_MEMBERS([struct stat.st_blksize])
549 # Check for st_flags in struct stat (BSD fflags)
550 AC_CHECK_MEMBERS([struct stat.st_flags])
551
552 # If you have uintmax_t, we assume printf supports %ju
553 # If you have unsigned long long, we assume printf supports %llu
554 # TODO: Check for %ju and %llu support directly.
555 AC_CHECK_TYPES([uintmax_t, unsigned long long])
556
557 # We use C99-style integer types
558 # Declare them if the local platform doesn't already do so.
559 AC_TYPE_INTMAX_T
560 AC_TYPE_UINTMAX_T
561 AC_TYPE_INT64_T
562 AC_TYPE_UINT64_T
563 AC_TYPE_INT32_T
564 AC_TYPE_UINT32_T
565 AC_TYPE_INT16_T
566 AC_TYPE_UINT16_T
567 AC_TYPE_UINT8_T
568
569 AC_CHECK_DECLS([SIZE_MAX, INT32_MAX, INT32_MIN])
570 AC_CHECK_DECLS([INT64_MAX, INT64_MIN, UINT64_MAX, UINT32_MAX])
571 AC_CHECK_DECLS([INTMAX_MAX, INTMAX_MIN, UINTMAX_MAX])
572
573 AC_CHECK_DECL([SSIZE_MAX],
574                 [AC_DEFINE(HAVE_DECL_SSIZE_MAX, 1, [Define to 1 if you have the declaration of `SSIZE_MAX', and to 0 if you don't.])],
575                 [],
576                 [#include <limits.h>])
577
578 AC_CHECK_DECL([EFTYPE],
579                 [AC_DEFINE(HAVE_EFTYPE, 1, [A possible errno value for invalid file format errors])],
580                 [],
581                 [#include <errno.h>])
582 AC_CHECK_DECL([EILSEQ],
583                 [AC_DEFINE(HAVE_EILSEQ, 1, [A possible errno value for invalid file format errors])],
584                 [],
585                 [#include <errno.h>])
586 AC_CHECK_TYPE([wchar_t],
587                 [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]wchar_t), 1, [Define to 1 if the system has the type `wchar_t'.])dnl
588                 AC_CHECK_SIZEOF([wchar_t])],
589                 [])
590
591 AC_HEADER_TIME
592
593 # Checks for library functions.
594 AC_PROG_GCC_TRADITIONAL
595 AC_HEADER_MAJOR
596 AC_FUNC_FSEEKO
597 AC_FUNC_MEMCMP
598 AC_FUNC_LSTAT
599 AC_FUNC_STAT
600 AC_FUNC_STRERROR_R
601 AC_FUNC_STRFTIME
602 AC_FUNC_VPRINTF
603 # check for:
604 #   CreateHardLinkA(LPCSTR, LPCSTR, LPSECURITY_ATTRIBUTES)
605 # To avoid necessity for including windows.h or special forward declaration
606 # workarounds, we use 'void *' for 'struct SECURITY_ATTRIBUTES *'
607 AC_CHECK_STDCALL_FUNC([CreateHardLinkA],[const char *, const char *, void *])
608 AC_CHECK_FUNCS([arc4random_buf chflags chown chroot ctime_r dirfd])
609 AC_CHECK_FUNCS([fchdir fchflags fchmod fchown fcntl fdopendir fork])
610 AC_CHECK_FUNCS([fstat fstatat fstatfs fstatvfs ftruncate])
611 AC_CHECK_FUNCS([futimens futimes futimesat])
612 AC_CHECK_FUNCS([geteuid getpid getgrgid_r getgrnam_r])
613 AC_CHECK_FUNCS([getpwnam_r getpwuid_r getvfsbyname gmtime_r])
614 AC_CHECK_FUNCS([lchflags lchmod lchown link localtime_r lstat lutimes])
615 AC_CHECK_FUNCS([mbrtowc memmove memset])
616 AC_CHECK_FUNCS([mkdir mkfifo mknod mkstemp])
617 AC_CHECK_FUNCS([nl_langinfo openat pipe poll posix_spawnp readlink readlinkat])
618 AC_CHECK_FUNCS([readpassphrase])
619 AC_CHECK_FUNCS([select setenv setlocale sigaction statfs statvfs])
620 AC_CHECK_FUNCS([strchr strdup strerror strncpy_s strrchr symlink timegm])
621 AC_CHECK_FUNCS([tzset unsetenv utime utimensat utimes vfork])
622 AC_CHECK_FUNCS([wcrtomb wcscmp wcscpy wcslen wctomb wmemcmp wmemcpy wmemmove])
623 AC_CHECK_FUNCS([_ctime64_s _fseeki64])
624 AC_CHECK_FUNCS([_get_timezone _localtime64_s _mkgmtime64])
625 # detects cygwin-1.7, as opposed to older versions
626 AC_CHECK_FUNCS([cygwin_conv_path])
627
628 # DragonFly uses vfsconf, FreeBSD xvfsconf.
629 AC_CHECK_TYPES(struct vfsconf,,,
630         [#if HAVE_SYS_TYPES_H
631         #include <sys/types.h>
632         #endif
633         #include <sys/mount.h>
634         ])
635
636 AC_CHECK_TYPES(struct xvfsconf,,,
637         [#if HAVE_SYS_TYPES_H
638         #include <sys/types.h>
639         #endif
640         #include <sys/mount.h>
641         ])
642
643 # There are several variants of readdir_r around; we only
644 # accept the POSIX-compliant version.
645 AC_COMPILE_IFELSE(
646  [AC_LANG_PROGRAM([[#include <dirent.h>]],
647                   [[DIR *dir; struct dirent e, *r;
648                     return(readdir_r(dir, &e, &r));]])],
649  [AC_DEFINE(HAVE_READDIR_R,1,[Define to 1 if you have a POSIX compatible readdir_r])]
650 )
651
652 # FreeBSD's nl_langinfo supports an option to specify whether the
653 # current locale uses month/day or day/month ordering.  It makes the
654 # output a little prettier...
655 AC_CHECK_DECL([D_MD_ORDER],
656 [AC_DEFINE(HAVE_D_MD_ORDER, 1, [Define to 1 if nl_langinfo supports D_MD_ORDER])],
657 [],
658 [#if HAVE_LANGINFO_H
659 #include <langinfo.h>
660 #endif
661 ])
662
663 # Check for dirent.d_namlen field explicitly
664 # (This is a bit more straightforward than, if not quite as portable as,
665 # the recipe given by the autoconf maintainers.)
666 AC_CHECK_MEMBER(struct dirent.d_namlen,,,
667 [#if HAVE_DIRENT_H
668 #include <dirent.h>
669 #endif
670 ])
671
672 # Check for Extended Attributes support
673 AC_ARG_ENABLE([xattr],
674                 AS_HELP_STRING([--disable-xattr],
675                 [Disable Extended Attributes support (default: check)]))
676
677 if test "x$enable_xattr" != "xno"; then
678     AC_SEARCH_LIBS([setxattr], [attr])
679     AC_CHECK_DECLS([EXTATTR_NAMESPACE_USER], [], [], [#include <sys/types.h>
680 #include <sys/extattr.h>
681 ])
682     AC_CHECK_DECLS([XATTR_NOFOLLOW], [], [], [#include <sys/xattr.h>
683 ])
684     if test "x$ac_cv_header_sys_xattr_h" = "xyes" \
685          -a "x$ac_cv_have_decl_XATTR_NOFOLLOW" = "xyes"; then
686         # Darwin extended attributes support
687         AC_CACHE_VAL([ac_cv_archive_xattr_darwin],
688           [AC_CHECK_FUNCS(fgetxattr \
689                           flistxattr \
690                           fsetxattr \
691                           getxattr \
692                           listxattr \
693                           setxattr,
694           [ac_cv_archive_xattr_darwin=yes],
695           [ac_cv_archive_xattr_darwin=no],
696           [#include <sys/xattr.h>
697 ])
698         ]
699       )
700     elif test "x$ac_cv_header_sys_extattr_h" = "xyes" \
701            -a "x$ac_cv_have_decl_EXTATTR_NAMESPACE_USER" = "xyes"; then
702         # FreeBSD extended attributes support
703         AC_CACHE_VAL([ac_cv_archive_xattr_freebsd],
704           [AC_CHECK_FUNCS(extattr_get_fd \
705                           extattr_get_file \
706                           extattr_get_link \
707                           extattr_list_fd \
708                           extattr_list_file \
709                           extattr_list_link \
710                           extattr_set_fd \
711                           extattr_set_link,
712           [ac_cv_archive_xattr_freebsd=yes],
713           [ac_cv_archive_xattr_freebsd=no],
714           [#include <sys/types.h>
715 #include <sys/extattr.h>
716 ])
717           ]
718         )
719     elif test "x$ac_cv_header_sys_xattr_h" = "xyes" \
720            -o "x$ac_cv_header_attr_xattr_h" = "xyes"; then
721         # Linux extended attributes support
722         AC_CACHE_VAL([ac_cv_archive_xattr_linux],
723           [AC_CHECK_FUNCS(fgetxattr \
724                           flistxattr \
725                           fsetxattr \
726                           getxattr \
727                           lgetxattr \
728                           listxattr \
729                           llistxattr \
730                           lsetxattr,
731           [ac_cv_archive_xattr_linux=yes],
732           [ac_cv_archive_xattr_linux=no],
733           [#if HAVE_SYS_TYPES_H
734 #include <sys/types.h>
735 #endif
736 #if HAVE_SYS_XATTR_H
737 #include <sys/xattr.h>
738 #endif
739 #if HAVE_ATTR_XATTR_H
740 #include <attr/xatr.h>
741 #endif
742 ])
743         ]
744       )
745     elif test "x$ac_cv_header_sys_ea_h" = "xyes"; then
746         # AIX extended attributes support
747         AC_CACHE_VAL([ac_cv_archive_xattr_aix],
748           [AC_CHECK_FUNCS(fgetea \
749                           flistea \
750                           fsetea \
751                           getea \
752                           lgetea \
753                           listea \
754                           llistea \
755                           lsetea,
756           [ac_cv_archive_xattr_aix=yes],
757           [ac_cv_archive_xattr_aix=no],
758           [#include <sys/ea.h>
759 ])
760           ]
761         )
762     fi
763
764     AC_MSG_CHECKING([for extended attributes support])
765     if test "x$ac_cv_archive_xattr_linux" = "xyes"; then
766         AC_DEFINE([ARCHIVE_XATTR_LINUX], [1], [Linux xattr support])
767         AC_MSG_RESULT([Linux])
768     elif test "x$ac_cv_archive_xattr_darwin" = "xyes"; then
769         AC_DEFINE([ARCHIVE_XATTR_DARWIN], [1], [Darwin xattr support])
770         AC_MSG_RESULT([Darwin])
771     elif test "x$ac_cv_archive_xattr_freebsd" = "xyes"; then
772         AC_DEFINE([ARCHIVE_XATTR_FREEBSD], [1], [FreeBSD xattr support])
773         AC_MSG_RESULT([FreeBSD])
774     elif test "x$ac_cv_archive_xattr_aix" = "xyes"; then
775         AC_DEFINE([ARCHIVE_XATTR_AIX], [1], [AIX xattr support])
776         AC_MSG_RESULT([AIX])
777     else
778         AC_MSG_RESULT([none])
779     fi
780 fi
781
782 # Check for ACL support
783 #
784 # The ACL support in libarchive is written against the POSIX1e draft,
785 # which was never officially approved and varies quite a bit across
786 # platforms.  Worse, some systems have completely non-POSIX acl functions,
787 # which makes the following checks rather more complex than I would like.
788 #
789 AC_ARG_ENABLE([acl],
790                 AS_HELP_STRING([--disable-acl],
791                 [Disable ACL support (default: check)]))
792
793 if test "x$enable_acl" != "xno"; then
794     # Libacl
795     AC_CHECK_LIB([acl], [acl_get_file])
796
797     AC_CHECK_TYPES([acl_t, acl_entry_t, acl_permset_t, acl_tag_t], [], [], [
798       #if HAVE_SYS_TYPES_H
799       #include <sys/types.h>
800       #endif
801       #if HAVE_SYS_ACL_H
802       #include <sys/acl.h>
803       #endif
804     ])
805
806     AC_CHECK_LIB([richacl], [richacl_get_file])
807
808     AC_CHECK_TYPES([[struct richace], [struct richacl]], [], [], [
809       #if HAVE_SYS_RICHACL_H
810       #include <sys/richacl.h>
811       #endif
812     ])
813
814     # Solaris and derivates ACLs
815     AC_CHECK_FUNCS(acl facl)
816
817     if test "x$ac_cv_lib_richacl_richacl_get_file" = "xyes" \
818          -a "x$ac_cv_type_struct_richace" = "xyes" \
819          -a "x$ac_cv_type_struct_richacl" = "xyes"; then
820         AC_CACHE_VAL([ac_cv_archive_acl_librichacl],
821           [AC_CHECK_FUNCS(richacl_alloc \
822                           richacl_equiv_mode \
823                           richacl_free \
824                           richacl_get_fd \
825                           richacl_get_file \
826                           richacl_set_fd \
827                           richacl_set_file,
828           [ac_cv_archive_acl_librichacl=yes], [ac_cv_archive_acl_librichacl=no],          [#include <sys/richacl.h>])])
829     fi
830
831     if test "x$ac_cv_func_acl" = "xyes" \
832          -a "x$ac_cv_func_facl" = "xyes"; then
833         AC_CHECK_TYPES([aclent_t], [], [], [[#include <sys/acl.h>]])
834         if test "x$ac_cv_type_aclent_t" = "xyes"; then
835             AC_CACHE_VAL([ac_cv_archive_acl_sunos],
836               [AC_CHECK_DECLS([GETACL, SETACL, GETACLCNT],
837               [ac_cv_archive_acl_sunos=yes], [ac_cv_archive_acl_sunos=no],
838               [#include <sys/acl.h>])])
839             AC_CHECK_TYPES([ace_t], [], [], [[#include <sys/acl.h>]])
840             if test "x$ac_cv_type_ace_t" = "xyes"; then
841                 AC_CACHE_VAL([ac_cv_archive_acl_sunos_nfs4],
842                   [AC_CHECK_DECLS([ACE_GETACL, ACE_SETACL, ACE_GETACLCNT],
843                   [ac_cv_archive_acl_sunos_nfs4=yes],
844                   [ac_cv_archive_acl_sonos_nfs4=no],
845                   [#include <sys/acl.h>])])
846             fi
847         fi
848     elif test "x$ac_cv_type_acl_t" = "xyes" \
849          -a "x$ac_cv_type_acl_entry_t" = "xyes" \
850          -a "x$ac_cv_type_acl_permset_t" = "xyes" \
851          -a "x$ac_cv_type_acl_tag_t" = "xyes"; then
852         # POSIX.1e ACL functions
853         AC_CACHE_VAL([ac_cv_posix_acl_funcs],
854           [AC_CHECK_FUNCS(acl_add_perm \
855                           acl_clear_perms \
856                           acl_create_entry \
857                           acl_delete_def_file \
858                           acl_free \
859                           acl_get_entry \
860                           acl_get_fd \
861                           acl_get_file \
862                           acl_get_permset \
863                           acl_get_qualifier \
864                           acl_get_tag_type \
865                           acl_init \
866                           acl_set_fd \
867                           acl_set_file \
868                           acl_set_qualifier \
869                           acl_set_tag_type,
870           [ac_cv_posix_acl_funcs=yes], [ac_cv_posix_acl_funcs=no],
871           [#if HAVE_SYS_TYPES_H
872            #include <sys/types.h>
873            #endif
874            #if HAVE_SYS_ACL_H
875            #include <sys/acl.h>
876            #endif
877           ])
878         ])
879
880         AC_CHECK_FUNCS(acl_get_perm)
881
882         if test "x$ac_cv_posix_acl_funcs" = "xyes" \
883              -a "x$ac_cv_header_acl_libacl_h" = "xyes" \
884              -a "x$ac_cv_lib_acl_acl_get_file" = "xyes" \
885              -a "x$ac_cv_func_acl_get_perm"; then
886             AC_CACHE_VAL([ac_cv_archive_acl_libacl],
887               [ac_cv_archive_acl_libacl=yes])
888             AC_DEFINE([ARCHIVE_ACL_LIBACL], [1],
889               [POSIX.1e ACL support via libacl])
890         else
891              # FreeBSD/Darwin
892              AC_CHECK_FUNCS(acl_add_flag_np \
893                             acl_clear_flags_np \
894                             acl_get_brand_np \
895                             acl_get_entry_type_np \
896                             acl_get_flag_np \
897                             acl_get_flagset_np \
898                             acl_get_fd_np \
899                             acl_get_link_np \
900                             acl_get_perm_np \
901                             acl_is_trivial_np \
902                             acl_set_entry_type_np \
903                             acl_set_fd_np \
904                             acl_set_link_np,,,
905               [#include <sys/types.h>
906                #include <sys/acl.h>])
907
908             AC_CHECK_FUNCS(mbr_uid_to_uuid \
909                            mbr_uuid_to_id \
910                            mbr_gid_to_uuid,,,
911               [#include <membership.h>])
912
913             AC_CHECK_DECLS([ACL_TYPE_EXTENDED, ACL_TYPE_NFS4, ACL_USER,
914               ACL_SYNCHRONIZE], [], [],
915               [#include <sys/types.h>
916                #include <sys/acl.h>])
917             if test "x$ac_cv_posix_acl_funcs" = "xyes" \
918                  -a "x$ac_cv_func_acl_get_fd_np" = "xyes" \
919                  -a "x$ac_cv_func_acl_get_perm" != "xyes" \
920                  -a "x$ac_cv_func_acl_get_perm_np" = "xyes" \
921                  -a "x$ac_cv_func_acl_set_fd_np" = "xyes"; then
922                 if test "x$ac_cv_have_decl_ACL_USER" = "xyes"; then
923                     AC_CACHE_VAL([ac_cv_archive_acl_freebsd],
924                       [ac_cv_archive_acl_freebsd=yes])
925                     if test "x$ac_cv_have_decl_ACL_TYPE_NFS4" = "xyes" \
926                          -a "x$ac_cv_func_acl_add_flag_np" = "xyes" \
927                          -a "x$ac_cv_func_acl_get_brand_np" = "xyes" \
928                          -a "x$ac_cv_func_acl_get_entry_type_np" = "xyes" \
929                          -a "x$ac_cv_func_acl_get_flagset_np" = "xyes" \
930                          -a "x$ac_cv_func_acl_set_entry_type_np" = "xyes"; then
931                         AC_CACHE_VAL([ac_cv_archive_acl_freebsd_nfs4],
932                           [ac_cv_archive_acl_freebsd_nfs4=yes])
933                     fi
934                 elif test "x$ac_cv_have_decl_ACL_TYPE_EXTENDED" = "xyes" \
935                        -a "x$ac_cv_func_acl_add_flag_np" = "xyes" \
936                        -a "x$ac_cv_func_acl_get_flagset_np" = "xyes" \
937                        -a "x$ac_cv_func_acl_get_link_np" = "xyes" \
938                        -a "x$ac_cv_func_acl_set_link_np" = "xyes" \
939                        -a "x$ac_cv_func_mbr_uid_to_uuid" = "xyes" \
940                        -a "x$ac_cv_func_mbr_uuid_to_id" = "xyes" \
941                        -a "x$ac_cv_func_mbr_gid_to_uuid" = "xyes"; then
942                     AC_CACHE_VAL([ac_cv_archive_acl_darwin],
943                       [ac_cv_archive_acl_darwin=yes])
944                 fi
945             fi
946         fi
947     fi
948     AC_MSG_CHECKING([for ACL support])
949     if test "x$ac_cv_archive_acl_libacl" = "xyes" \
950          -a "x$ac_cv_archive_acl_librichacl" = "xyes"; then
951         AC_MSG_RESULT([libacl (POSIX.1e) + librichacl (NFSv4)])
952         AC_DEFINE([ARCHIVE_ACL_LIBACL], [1],
953           [Linux POSIX.1e ACL support via libacl])
954         AC_DEFINE([ARCHIVE_ACL_LIBRICHACL], [1],
955           [Linux NFSv4 ACL support via librichacl])
956     elif test "x$ac_cv_archive_acl_libacl" = "xyes"; then
957         AC_MSG_RESULT([libacl (POSIX.1e)])
958         AC_DEFINE([ARCHIVE_ACL_LIBACL], [1],
959           [Linux POSIX.1e ACL support via libacl])
960     elif test "x$ac_cv_archive_acl_librichacl" = "xyes"; then
961         AC_MSG_RESULT([librichacl (NFSv4)])
962         AC_DEFINE([ARCHIVE_ACL_LIBRICHACL], [1],
963           [Linux NFSv4 ACL support via librichacl])
964     elif test "x$ac_cv_archive_acl_darwin" = "xyes"; then
965         AC_DEFINE([ARCHIVE_ACL_DARWIN], [1], [Darwin ACL support])
966         AC_MSG_RESULT([Darwin (limited NFSv4)])
967     elif test "x$ac_cv_archive_acl_sunos" = "xyes"; then
968         AC_DEFINE([ARCHIVE_ACL_SUNOS], [1], [Solaris ACL support])
969         if test "x$ac_cv_archive_acl_sunos_nfs4" = "xyes"; then
970             AC_DEFINE([ARCHIVE_ACL_SUNOS_NFS4], [1],
971               [Solaris NFSv4 ACL support])
972             AC_MSG_RESULT([Solaris (POSIX.1e and NFSv4)])
973         else
974             AC_MSG_RESULT([Solaris (POSIX.1e)])
975         fi
976     elif test "x$ac_cv_archive_acl_freebsd" = "xyes"; then
977         AC_DEFINE([ARCHIVE_ACL_FREEBSD], [1], [FreeBSD ACL support])
978         if test "x$ac_cv_archive_acl_freebsd_nfs4" = "xyes"; then
979             AC_DEFINE([ARCHIVE_ACL_FREEBSD_NFS4], [1],
980               [FreeBSD NFSv4 ACL support])
981             AC_MSG_RESULT([FreeBSD (POSIX.1e and NFSv4)])
982         else
983             AC_MSG_RESULT([FreeBSD (POSIX.1e)])
984         fi
985     else
986         AC_MSG_RESULT([none])
987     fi
988 fi
989
990
991 AM_CONDITIONAL([INC_LINUX_ACL],
992   [test "x$ac_cv_archive_acl_libacl" = "xyes" \
993      -o "x$ac_cv_archive_acl_librichacl" = "xyes"])
994 AM_CONDITIONAL([INC_SUNOS_ACL], [test "x$ac_cv_archive_acl_sunos" = "xyes"])
995 AM_CONDITIONAL([INC_DARWIN_ACL],
996           [test "x$ac_cv_archive_acl_darwin" = "xyes"])
997 AM_CONDITIONAL([INC_FREEBSD_ACL],
998           [test "x$ac_cv_archive_acl_freebsd" = "xyes"])
999
1000 # Additional requirements
1001 AC_SYS_LARGEFILE
1002
1003 dnl NOTE: Crypto checks must run last.
1004 AC_DEFUN([CRYPTO_CHECK], [
1005   if test "$found_$1" != yes; then
1006     saved_CPPFLAGS="$CPPFLAGS"
1007     CPPFLAGS="$CPPFLAGS -I. -I$srcdir -I$srcdir/libarchive"
1008     touch "check_crypto_md.h"
1009     AC_MSG_CHECKING([support for ARCHIVE_CRYPTO_$1_$2])
1010     AC_LINK_IFELSE([AC_LANG_SOURCE([
1011 #define ARCHIVE_$1_COMPILE_TEST
1012 #define ARCHIVE_CRYPTO_$1_$2
1013 #define PLATFORM_CONFIG_H "check_crypto_md.h"
1014
1015 $(cat "$srcdir/libarchive/archive_digest.c")
1016
1017 int
1018 main(int argc, char **argv)
1019 {
1020   archive_$3_ctx ctx;
1021   archive_$3_init(&ctx);
1022   archive_$3_update(&ctx, *argv, argc);
1023   archive_$3_final(&ctx, NULL);
1024   return 0;
1025 }
1026 ])],
1027     [ AC_MSG_RESULT([yes])
1028       found_$1=yes
1029       found_$2=yes
1030       AC_DEFINE(ARCHIVE_CRYPTO_$1_$2, 1, [ $1 via ARCHIVE_CRYPTO_$1_$2 supported.])
1031     ],
1032     [ AC_MSG_RESULT([no])])
1033     CPPFLAGS="$saved_CPPFLAGS"
1034     rm "check_crypto_md.h"
1035   fi
1036 ])
1037
1038 AC_DEFUN([CRYPTO_CHECK_WIN], [
1039   if test "$found_$1" != yes; then
1040     AC_MSG_CHECKING([support for ARCHIVE_CRYPTO_$1_WIN])
1041     AC_LINK_IFELSE([AC_LANG_SOURCE([
1042 #define ARCHIVE_$1_COMPILE_TEST
1043 #include <windows.h>
1044 #include <wincrypt.h>
1045
1046 int
1047 main(int argc, char **argv)
1048 {
1049         (void)argc;
1050         (void)argv;
1051
1052         return ($2);
1053 }
1054 ])],
1055     [ AC_MSG_RESULT([yes])
1056       found_$1=yes
1057       found_WIN=yes
1058       AC_DEFINE(ARCHIVE_CRYPTO_$1_WIN, 1, [ $1 via ARCHIVE_CRYPTO_$1_WIN supported.])
1059     ],
1060     [ AC_MSG_RESULT([no])])
1061   fi
1062 ])
1063
1064 case "$host_os" in
1065   *mingw* | *cygwin* | *msys*)
1066         ;;
1067   *)
1068         CRYPTO_CHECK(MD5, LIBC, md5)
1069         CRYPTO_CHECK(MD5, LIBSYSTEM, md5)
1070         CRYPTO_CHECK(RMD160, LIBC, rmd160)
1071         CRYPTO_CHECK(SHA1, LIBC, sha1)
1072         CRYPTO_CHECK(SHA1, LIBSYSTEM, sha1)
1073         CRYPTO_CHECK(SHA256, LIBC, sha256)
1074         CRYPTO_CHECK(SHA256, LIBC2, sha256)
1075         CRYPTO_CHECK(SHA256, LIBC3, sha256)
1076         CRYPTO_CHECK(SHA256, LIBSYSTEM, sha256)
1077         CRYPTO_CHECK(SHA384, LIBC, sha384)
1078         CRYPTO_CHECK(SHA384, LIBC2, sha384)
1079         CRYPTO_CHECK(SHA384, LIBC3, sha384)
1080         CRYPTO_CHECK(SHA384, LIBSYSTEM, sha384)
1081         CRYPTO_CHECK(SHA512, LIBC, sha512)
1082         CRYPTO_CHECK(SHA512, LIBC2, sha512)
1083         CRYPTO_CHECK(SHA512, LIBC3, sha512)
1084         CRYPTO_CHECK(SHA512, LIBSYSTEM, sha512)
1085         ;;
1086 esac
1087
1088 if test "x$with_cng" != "xno"; then
1089     AC_CHECK_HEADERS([bcrypt.h],[
1090         LIBS="$LIBS -lbcrypt"
1091     ],[],
1092     [[#ifdef HAVE_WINDOWS_H
1093     # include <windows.h>
1094     #endif
1095     ]])
1096 fi
1097
1098 if test "x$with_nettle" != "xno"; then
1099     AC_CHECK_HEADERS([nettle/md5.h nettle/ripemd160.h nettle/sha.h])
1100     AC_CHECK_HEADERS([nettle/pbkdf2.h nettle/aes.h nettle/hmac.h])
1101     saved_LIBS=$LIBS
1102     AC_CHECK_LIB(nettle,nettle_sha1_init)
1103     CRYPTO_CHECK(MD5, NETTLE, md5)
1104     CRYPTO_CHECK(RMD160, NETTLE, rmd160)
1105     CRYPTO_CHECK(SHA1, NETTLE, sha1)
1106     CRYPTO_CHECK(SHA256, NETTLE, sha256)
1107     CRYPTO_CHECK(SHA384, NETTLE, sha384)
1108     CRYPTO_CHECK(SHA512, NETTLE, sha512)
1109     if test "x$found_NETTLE" != "xyes"; then
1110       LIBS=$saved_LIBS
1111     fi
1112 fi
1113
1114 if test "x$with_openssl" != "xno"; then
1115     AC_CHECK_HEADERS([openssl/evp.h])
1116     saved_LIBS=$LIBS
1117     case "$host_os" in
1118       *mingw* | *cygwin* | *msys*)
1119         case "$host_cpu" in
1120           x86_64)
1121             AC_CHECK_LIB(eay64,OPENSSL_config)
1122             if test "x$ac_cv_lib_eay64_main" != "xyes"; then
1123               AC_CHECK_LIB(eay32,OPENSSL_config)
1124             fi
1125             ;;
1126           *)
1127             AC_CHECK_LIB(eay32,OPENSSL_config)
1128             ;;
1129         esac
1130         ;;
1131       *)
1132         AC_CHECK_LIB(crypto,OPENSSL_config)
1133         ;;
1134     esac
1135     CRYPTO_CHECK(MD5, OPENSSL, md5)
1136     CRYPTO_CHECK(RMD160, OPENSSL, rmd160)
1137     CRYPTO_CHECK(SHA1, OPENSSL, sha1)
1138     CRYPTO_CHECK(SHA256, OPENSSL, sha256)
1139     CRYPTO_CHECK(SHA384, OPENSSL, sha384)
1140     CRYPTO_CHECK(SHA512, OPENSSL, sha512)
1141     if test "x$found_OPENSSL" != "xyes"; then
1142       LIBS=$saved_LIBS
1143     else
1144       AC_CHECK_FUNCS([PKCS5_PBKDF2_HMAC_SHA1])
1145     fi
1146     AC_CHECK_LIB(crypto,EVP_CIPHER_CTX_init)
1147 fi
1148
1149 # Probe libmd AFTER OpenSSL/libcrypto.
1150 # The two are incompatible and OpenSSL is more complete.
1151 AC_CHECK_HEADERS([md5.h ripemd.h sha.h sha256.h sha512.h])
1152 saved_LIBS=$LIBS
1153 AC_CHECK_LIB(md,MD5Init)
1154 CRYPTO_CHECK(MD5, LIBMD, md5)
1155 CRYPTO_CHECK(RMD160, LIBMD, rmd160)
1156 CRYPTO_CHECK(SHA1, LIBMD, sha1)
1157 CRYPTO_CHECK(SHA256, LIBMD, sha256)
1158 CRYPTO_CHECK(SHA512, LIBMD, sha512)
1159 if test "x$found_LIBMD" != "xyes"; then
1160   LIBS=$saved_LIBS
1161 fi
1162
1163 case "$host_os" in
1164   *mingw* | *cygwin* | *msys*)
1165         CRYPTO_CHECK_WIN(MD5, CALG_MD5)
1166         CRYPTO_CHECK_WIN(SHA1, CALG_SHA1)
1167         CRYPTO_CHECK_WIN(SHA256, CALG_SHA_256)
1168         CRYPTO_CHECK_WIN(SHA384, CALG_SHA_384)
1169         CRYPTO_CHECK_WIN(SHA512, CALG_SHA_512)
1170         ;;
1171 esac
1172
1173 # Ensure test directories are present if building out-of-tree
1174 AC_CONFIG_COMMANDS([mkdirs],
1175                    [mkdir -p libarchive/test tar/test cat/test cpio/test])
1176
1177 AC_OUTPUT