1 # Configure template for GNU tar. -*- autoconf -*-
3 # Copyright (C) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
4 # 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free
5 # Software Foundation, Inc.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3, or (at your option)
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 AC_INIT([GNU tar], [1.26.90], [bug-tar@gnu.org])
23 AC_CONFIG_SRCDIR([src/tar.c])
24 AC_CONFIG_AUX_DIR([build-aux])
25 AC_CONFIG_HEADERS([config.h])
27 AM_INIT_AUTOMAKE([1.11 gnits tar-ustar dist-bzip2 dist-xz dist-shar std-options silent-rules])
29 # Enable silent rules by default:
30 AM_SILENT_RULES([yes])
42 AC_CHECK_HEADERS_ONCE(fcntl.h linux/fd.h memory.h net/errno.h \
44 sys/param.h sys/device.h sys/gentape.h \
45 sys/inet.h sys/io/trioctl.h \
46 sys/mtio.h sys/time.h sys/tprintf.h sys/tape.h \
49 AC_CHECK_HEADERS([sys/buf.h], [], [],
51 #include <sys/param.h>
61 AC_MSG_CHECKING([for st_fstype string in struct stat])
62 AC_CACHE_VAL(diff_cv_st_fstype_string,
63 [AC_TRY_COMPILE([#include <sys/types.h>
64 #include <sys/stat.h>], [struct stat s; s.st_fstype[0] = 'x';],
65 diff_cv_st_fstype_string=yes,
66 diff_cv_st_fstype_string=no)])
67 AC_MSG_RESULT($diff_cv_st_fstype_string)
68 if test $diff_cv_st_fstype_string = yes; then
69 AC_DEFINE(HAVE_ST_FSTYPE_STRING, 1,
70 [Define if struct stat has a char st_fstype[] member.])
73 # even if we use gnulib's acl.h with integrated m4 file later on (used because
74 # of very useful file_has_acl() function) we need following checks that restrict
75 # tar to use POSIX.1e ACLs only.
76 AC_ARG_WITH([posix-acls],
77 AS_HELP_STRING([--without-posix-acls],
78 [do not use POSIX.1e access control lists]),
80 if test "x$with_posix_acls" != "xno"; then
81 AC_CHECK_HEADERS(sys/acl.h,, [with_posix_acls=no])
82 for tar_acl_func in acl_get_file acl_get_fd acl_set_file acl_set_fd \
83 acl_to_text acl_from_text; do \
84 test "x$with_posix_acls" = xno && break
85 AC_SEARCH_LIBS([$tar_acl_func], [acl pacl], [], [with_posix_acls=no])
87 if test "x$with_posix_acls" != xno; then
88 AC_DEFINE(HAVE_POSIX_ACLS,,[Define when we have working POSIX acls])
91 # disable acls in gnulib's checks
101 AC_CHECK_TYPE(major_t, , AC_DEFINE(major_t, int,
102 [Type of major device numbers.]))
103 AC_CHECK_TYPE(minor_t, , AC_DEFINE(minor_t, int,
104 [Type of minor device numbers.]))
105 AC_CHECK_TYPE(dev_t, unsigned)
106 AC_CHECK_TYPE(ino_t, unsigned)
115 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
116 # ------------------------------------------------
117 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
118 # Otherwise, run RUN-IF-NOT-FOUND.
119 AC_DEFUN([gl_GCC_VERSION_IFELSE],
123 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
126 # error "your version of gcc is older than $1.$2"
133 AC_ARG_ENABLE([gcc-warnings],
134 [AS_HELP_STRING([--enable-gcc-warnings],
135 [turn on many GCC warnings (for developers; best with GNU make)])],
138 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
140 gl_gcc_warnings=$enableval],
142 if test -d "$srcdir"/.git; then
143 gl_GCC_VERSION_IFELSE([4], [6], [gl_gcc_warnings=yes])
147 if test "$gl_gcc_warnings" = yes; then
148 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
149 AC_SUBST([WERROR_CFLAGS])
152 # This, $nw, is the list of warnings we disable.
153 nw="$nw -Wformat-nonliteral" # warnings in Fedora 17 stdio.h
154 nw="$nw -Wvla" # warnings in gettext.h
155 nw="$nw -Wswitch-default" # Too many warnings for now
156 nw="$nw -Wunsafe-loop-optimizations" # It's OK to omit unsafe optimizations.
157 nw="$nw -Winline" # It's OK to not inline.
158 nw="$nw -Wstrict-overflow" # It's OK to optimize strictly.
159 nw="$nw -Wsuggest-attribute=pure" # Too many warnings for now.
161 gl_MANYWARN_ALL_GCC([ws])
162 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
166 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
167 gl_WARN_ADD([-Wno-type-limits]) # It's OK to optimize based on types.
168 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
169 gl_WARN_ADD([-Wno-format-nonliteral])
171 gl_WARN_ADD([-fdiagnostics-show-option])
172 gl_WARN_ADD([-funit-at-a-time])
174 AC_SUBST([WARN_CFLAGS])
176 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
177 AH_VERBATIM([FORTIFY_SOURCE],
178 [/* Enable compile-time and run-time bounds-checking, and some warnings,
179 without upsetting glibc 2.15+. */
180 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
181 # define _FORTIFY_SOURCE 2
184 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
186 # Use a slightly smaller set of warning options for lib/.
187 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
189 nw="$nw -Wmissing-prototypes"
190 nw="$nw -Wunused-macros"
192 # These are for argp.
193 nw="$nw -Wmissing-field-initializers"
196 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
198 # This is also for argp.
199 gl_WARN_ADD([-Wno-missing-field-initializers], [GNULIB_WARN_CFLAGS])
201 AC_SUBST([GNULIB_WARN_CFLAGS])
203 # For gnulib-tests, the set is slightly smaller still.
205 # It's not worth being this picky about test programs.
206 nw="$nw -Wsuggest-attribute=const"
207 gl_MANYWARN_COMPLEMENT([GNULIB_TEST_WARN_CFLAGS],
208 [$GNULIB_WARN_CFLAGS], [$nw])
209 AC_SUBST([GNULIB_TEST_WARN_CFLAGS])
212 TAR_HEADERS_ATTR_XATTR_H
214 AC_CHECK_FUNCS_ONCE([fchmod fchown fsync lstat mkfifo readlink symlink])
216 AC_CHECK_DECLS([getgrgid],,, [#include <grp.h>])
217 AC_CHECK_DECLS([getpwuid],,, [#include <pwd.h>])
218 AC_CHECK_DECLS([time],,, [#include <time.h>])
220 AC_REPLACE_FUNCS(waitpid)
222 AC_CACHE_CHECK(for remote shell, tar_cv_path_RSH,
223 [if test -n "$RSH"; then
227 for ac_file in /usr/ucb/rsh /usr/bin/remsh /usr/bin/rsh /usr/bsd/rsh \
228 /usr/bin/nsh /usr/bin/rcmd
230 # Prefer a non-symlink rsh to a symlink one, so that binaries built
231 # on AIX 4.1.4, where /usr/ucb/rsh is a symlink to /usr/bin/rsh
232 # will run on AIX 4.3.0, which has only /usr/bin/rsh.
233 if test -f $ac_file; then
234 if (test -h $ac_file) 2>/dev/null; then
235 test $tar_cv_path_RSH = no && tar_cv_path_RSH=$ac_file
237 tar_cv_path_RSH=$ac_file
243 if test $tar_cv_path_RSH = no; then
244 AC_CHECK_HEADERS(netdb.h)
246 AC_DEFINE_UNQUOTED(REMOTE_SHELL, "$tar_cv_path_RSH",
247 [Define to the full path of your rsh, if any.])
250 TAR_COMPR_PROGRAM(compress)
251 TAR_COMPR_PROGRAM(gzip)
252 TAR_COMPR_PROGRAM(bzip2)
253 TAR_COMPR_PROGRAM(lzip)
254 TAR_COMPR_PROGRAM(lzma)
255 TAR_COMPR_PROGRAM(lzop)
256 TAR_COMPR_PROGRAM(xz)
258 AC_MSG_CHECKING(for default archive format)
260 AC_ARG_VAR([DEFAULT_ARCHIVE_FORMAT],
261 [Set the default archive format. Allowed values are: V7, OLDGNU, USTAR, POSIX, GNU. Default is GNU])
263 if test -z "$DEFAULT_ARCHIVE_FORMAT"; then
264 DEFAULT_ARCHIVE_FORMAT="GNU"
266 case $DEFAULT_ARCHIVE_FORMAT in
267 V7|OLDGNU|USTAR|POSIX|GNU) ;;
268 *) AC_MSG_ERROR(Invalid format name);;
270 AC_DEFINE_UNQUOTED(DEFAULT_ARCHIVE_FORMAT, ${DEFAULT_ARCHIVE_FORMAT}_FORMAT,
271 [By default produce archives of this format])
272 AC_MSG_RESULT($DEFAULT_ARCHIVE_FORMAT)
274 AC_MSG_CHECKING(for default archive)
276 AC_ARG_VAR([DEFAULT_ARCHIVE],
277 [Set the name of the default archive (default: -)])
278 if test -z "$DEFAULT_ARCHIVE"; then
281 if test -z "`ls $DEFAULT_ARCHIVE 2>/dev/null`"; then
282 AC_MSG_WARN(DEFAULT_ARCHIVE '$DEFAULT_ARCHIVE' not found on this system)
284 # FIXME: Look for DEFTAPE in <sys/mtio.h>.
285 # FIXME: Let DEVICE_PREFIX be configured from the environment.
286 # FIXME: Rearrange, here.
287 case $DEFAULT_ARCHIVE in
289 AC_DEFINE(DENSITY_LETTER, 1,
290 [Define to 1 if density may be indicated by [lmh] at end of device.])
291 device_prefix=`echo $DEFAULT_ARCHIVE | sed 's/[0-7][lmh]$//'`
294 device_prefix=`echo $DEFAULT_ARCHIVE | sed 's/[0-7]$//'`
300 case "$device_prefix" in
302 AC_DEFINE_UNQUOTED(DEVICE_PREFIX, "$device_prefix",
303 [Define to a string giving the prefix of the default device, without the part specifying the unit and density.])
307 AC_DEFINE_UNQUOTED(DEFAULT_ARCHIVE, "$DEFAULT_ARCHIVE",
308 [Define to a string giving the full name of the default archive file.])
309 AC_MSG_RESULT($DEFAULT_ARCHIVE)
311 AC_ARG_VAR([DEFAULT_BLOCKING],
312 [Define default blocking factor (default: 20)])
313 AC_MSG_CHECKING(for default blocking)
314 DEFAULT_BLOCKING=${DEFAULT_BLOCKING-20}
315 AC_DEFINE_UNQUOTED(DEFAULT_BLOCKING, $DEFAULT_BLOCKING,
316 [Define to a number giving the default blocking size for archives.])
317 AC_MSG_RESULT($DEFAULT_BLOCKING)
319 AC_MSG_CHECKING(for default quoting style)
321 m4_define([QUOTING_STYLES],dnl
322 [literal|shell|shell-always|c|escape|locale|clocale])
323 DEFAULT_QUOTING_STYLE="escape"
324 AC_ARG_VAR([DEFAULT_QUOTING_STYLE],
325 [Set the default quoting style. Allowed values are: ] m4_bpatsubst(QUOTING_STYLES,[|], [[, ]]) [. Default is "escape".])
327 case $DEFAULT_QUOTING_STYLE in
329 *) AC_MSG_ERROR(Invalid quoting style);;
331 AC_MSG_RESULT($DEFAULT_QUOTING_STYLE)
332 DEFAULT_QUOTING_STYLE=`echo ${DEFAULT_QUOTING_STYLE}|sed 's/-/_/g'`_quoting_style
333 AC_DEFINE_UNQUOTED(DEFAULT_QUOTING_STYLE, $DEFAULT_QUOTING_STYLE,
334 [Define to a default quoting style (see lib/quoteargs.c for the list)])
338 AC_CHECK_HEADERS(iconv.h)
339 AC_CHECK_TYPE(iconv_t,:,
340 AC_DEFINE(iconv_t, int,
341 [Conversion descriptor type]),
349 AM_GNU_GETTEXT([external], [need-formatstring-macros])
350 AM_GNU_GETTEXT_VERSION([0.16])
352 # Initialize the test suite.
353 AC_CONFIG_TESTDIR(tests)
354 AC_CONFIG_FILES([tests/Makefile tests/atlocal]) # FIXME: tests/preset?
355 AM_MISSING_PROG([AUTOM4TE], [autom4te])
357 AC_SUBST(BACKUP_LIBEXEC_SCRIPTS)
358 AC_SUBST(BACKUP_SBIN_SCRIPTS)
359 AC_ARG_ENABLE(backup-scripts,
360 AC_HELP_STRING([--enable-backup-scripts],
361 [Create and install backup and restore scripts]),
363 yes) BACKUP_LIBEXEC_SCRIPTS='$(BACKUP_LIBEXEC_SCRIPTS_LIST)'
364 BACKUP_SBIN_SCRIPTS='$(BACKUP_SBIN_SCRIPTS_LIST)'
368 AC_SUBST(BACKUP_SED_COND)
369 if date +%Y-%m-%d 2>/dev/null >&2; then
370 BACKUP_SED_COND='/^\#ELSE_DATE_FORMAT_OK/,/^\#ENDIF_DATE_FORMAT_OK/d;/^\#IF_DATE_FORMAT_OK/d'
372 BACKUP_SED_COND='/^\#IF_DATE_FORMAT_OK/,/^\#ELSE_DATE_FORMAT_OK/d;/^\#ENDIF_DATE_FORMAT_OK/d'