2 # Process this file with autoconf to produce a configure script.
4 # Copyright (C) 1991, 1993-2009 Free Software Foundation, Inc.
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 dnl Written by Jim Meyering.
23 # Make inter-release version strings look like, e.g., v6.9-219-g58ddd, which
24 # indicates that it is built from the 219th delta (in _some_ repository)
25 # following the v6.9 tag, and that 58ddd is a prefix of the commit SHA1.
26 AC_INIT([GNU coreutils],
27 m4_esyscmd([build-aux/git-version-gen .tarball-version]),
28 [bug-coreutils@gnu.org])
30 AC_CONFIG_SRCDIR([src/ls.c])
32 AC_CONFIG_AUX_DIR([build-aux])
33 AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])
35 AM_INIT_AUTOMAKE([1.10b dist-xz color-tests parallel-tests])
36 AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
41 AC_PROG_GCC_TRADITIONAL
48 AC_ARG_ENABLE([gcc-warnings],
49 [AS_HELP_STRING([--enable-gcc-warnings],
50 [turn on lots of GCC warnings (for developers)])],
53 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
55 gl_gcc_warnings=$enableval],
59 if test "$gl_gcc_warnings" = yes; then
60 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
61 AC_SUBST([WERROR_CFLAGS])
64 # This, $nw, is the list of warnings we disable.
65 nw="$nw -Wdeclaration-after-statement" # too useful to forbid
66 nw="$nw -Waggregate-return" # anachronistic
67 nw="$nw -Wlong-long" # C90 is anachronistic (lib/gethrxtime.h)
68 nw="$nw -Wc++-compat" # We don't care about C++ compilers
69 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
70 nw="$nw -Wtraditional" # Warns on #elif which we use often
71 nw="$nw -Wcast-qual" # Too many warnings for now
72 nw="$nw -Wconversion" # Too many warnings for now
73 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
74 nw="$nw -Wsign-conversion" # Too many warnings for now
75 nw="$nw -Wtraditional-conversion" # Too many warnings for now
76 nw="$nw -Wunreachable-code" # Too many warnings for now
77 nw="$nw -Wpadded" # Our structs are not padded
78 nw="$nw -Wredundant-decls" # openat.h declares e.g., mkdirat
79 nw="$nw -Wlogical-op" # any use of fwrite provokes this
80 nw="$nw -Wformat-nonliteral" # who.c and pinky.c strftime uses
81 nw="$nw -Wvla" # warnings in gettext.h
82 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
83 nw="$nw -Wswitch-enum" # Too many warnings for now
84 nw="$nw -Wswitch-default" # Too many warnings for now
85 # things I might fix soon:
86 nw="$nw -Wfloat-equal" # sort.c, seq.c
87 nw="$nw -Wmissing-format-attribute" # copy.c
88 nw="$nw -Wunsafe-loop-optimizations" # a few src/*.c
89 nw="$nw -Winline" # system.h's readdir_ignoring_dot_and_dotdot
90 nw="$nw -Wstrict-overflow" # expr.c, pr.c, tr.c, factor.c
91 # ?? -Wstrict-overflow
93 gl_MANYWARN_ALL_GCC([ws])
94 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
98 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
99 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
100 gl_WARN_ADD([-Wno-pointer-sign]) # Too many warnings for now
101 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
102 gl_WARN_ADD([-fdiagnostics-show-option])
104 AC_SUBST([WARN_CFLAGS])
106 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
107 AC_DEFINE([_FORTIFY_SOURCE], [2],
108 [enable compile-time and run-time bounds-checking, and some warnings])
109 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
115 AC_CHECK_FUNCS([uname],
116 gl_ADD_PROG([optional_bin_progs], [uname]))
117 AC_CHECK_FUNCS([chroot],
118 gl_ADD_PROG([optional_bin_progs], [chroot]))
119 AC_CHECK_FUNCS([gethostid],
120 gl_ADD_PROG([optional_bin_progs], [hostid]))
124 AC_MSG_CHECKING([whether localtime caches TZ])
125 AC_CACHE_VAL([utils_cv_localtime_cache],
126 [if test x$ac_cv_func_tzset = xyes; then
127 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
131 extern char **environ;
135 for (to = from = environ; (*to = *from); from++)
136 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
141 time_t now = time ((time_t *) 0);
142 int hour_GMT0, hour_unset;
143 if (putenv ("TZ=GMT0") != 0)
145 hour_GMT0 = localtime (&now)->tm_hour;
147 hour_unset = localtime (&now)->tm_hour;
148 if (putenv ("TZ=PST8") != 0)
150 if (localtime (&now)->tm_hour == hour_GMT0)
153 if (localtime (&now)->tm_hour != hour_unset)
157 [utils_cv_localtime_cache=no],
158 [utils_cv_localtime_cache=yes],
159 [# If we have tzset, assume the worst when cross-compiling.
160 utils_cv_localtime_cache=yes])
162 # If we lack tzset, report that localtime does not cache TZ,
163 # since we can't invalidate the cache if we don't have tzset.
164 utils_cv_localtime_cache=no
166 AC_MSG_RESULT([$utils_cv_localtime_cache])
167 if test $utils_cv_localtime_cache = yes; then
168 AC_DEFINE([LOCALTIME_CACHE], [1], [FIXME])
171 # SCO-ODT-3.0 is reported to need -los to link programs using initgroups
172 AC_CHECK_FUNCS([initgroups])
173 if test $ac_cv_func_initgroups = no; then
174 AC_CHECK_LIB([os], [initgroups])
177 AC_CHECK_FUNCS([syslog])
178 if test $ac_cv_func_syslog = no; then
179 # syslog is not in the default libraries. See if it's in some other.
180 for lib in bsd socket inet; do
181 AC_CHECK_LIB([$lib], [syslog], [AC_DEFINE([HAVE_SYSLOG], [1], [FIXME])
182 LIBS="$LIBS -l$lib"; break])
186 AC_CACHE_CHECK([for 3-argument setpriority function],
187 [utils_cv_func_setpriority],
190 [[#include <sys/time.h>
191 #include <sys/resource.h>
193 [[setpriority (0, 0, 0);]])],
194 [utils_cv_func_setpriority=yes],
195 [utils_cv_func_setpriority=no])])
196 if test $utils_cv_func_setpriority = no; then
197 AC_CHECK_FUNCS([nice])
199 case $utils_cv_func_setpriority,$ac_cv_func_nice in
201 gl_ADD_PROG([optional_bin_progs], [nice])
204 AC_DEFUN([coreutils_DUMMY_1],
206 AC_REQUIRE([gl_READUTMP])
207 if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then
208 gl_ADD_PROG([optional_bin_progs], [who])
209 gl_ADD_PROG([optional_bin_progs], [users])
210 gl_ADD_PROG([optional_bin_progs], [pinky])
215 AC_MSG_CHECKING([ut_host in struct utmp])
216 AC_CACHE_VAL([su_cv_func_ut_host_in_utmp],
217 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
218 #include <utmp.h>]], [[struct utmp ut; return !sizeof ut.ut_host;]])],
219 [su_cv_func_ut_host_in_utmp=yes],
220 [su_cv_func_ut_host_in_utmp=no])])
221 AC_MSG_RESULT([$su_cv_func_ut_host_in_utmp])
222 if test $su_cv_func_ut_host_in_utmp = yes; then
224 AC_DEFINE([HAVE_UT_HOST], [1], [FIXME])
227 if test -z "$have_ut_host"; then
228 AC_MSG_CHECKING([ut_host in struct utmpx])
229 AC_CACHE_VAL([su_cv_func_ut_host_in_utmpx],
230 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
231 #include <utmpx.h>]], [[struct utmpx ut; return !sizeof ut.ut_host;]])],
232 [su_cv_func_ut_host_in_utmpx=yes],
233 [su_cv_func_ut_host_in_utmpx=no])])
234 AC_MSG_RESULT([$su_cv_func_ut_host_in_utmpx])
235 if test $su_cv_func_ut_host_in_utmpx = yes; then
236 AC_DEFINE([HAVE_UTMPX_H], [1], [FIXME])
237 AC_DEFINE([HAVE_UT_HOST], [1], [FIXME])
241 GNULIB_BOOT_TIME([gl_ADD_PROG([optional_bin_progs], [uptime])])
243 AC_SYS_POSIX_TERMIOS()
244 gl_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL
246 if test $ac_cv_sys_posix_termios = yes; then
247 gl_ADD_PROG([optional_bin_progs], [stty])
249 AC_MSG_CHECKING([whether termios.h needs _XOPEN_SOURCE])
250 AC_CACHE_VAL([su_cv_sys_termios_needs_xopen_source],
251 [AC_EGREP_CPP([yes], [#include <termios.h>
254 #endif], su_cv_sys_termios_needs_xopen_source=no,
255 AC_EGREP_CPP([yes], [#define _XOPEN_SOURCE
259 #endif], su_cv_sys_termios_needs_xopen_source=yes,
260 su_cv_sys_termios_needs_xopen_source=no))])
261 AC_MSG_RESULT([$su_cv_sys_termios_needs_xopen_source])
262 test $su_cv_sys_termios_needs_xopen_source = yes &&
263 AC_DEFINE([TERMIOS_NEEDS_XOPEN_SOURCE], [1], [FIXME])
265 AC_MSG_CHECKING([c_line in struct termios])
266 AC_CACHE_VAL([su_cv_sys_c_line_in_termios],
267 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#if TERMIOS_NEEDS_XOPEN_SOURCE
268 #define _XOPEN_SOURCE
270 #include <sys/types.h>
271 #include <termios.h>]], [[struct termios t; return !sizeof t.c_line;]])],
272 [su_cv_sys_c_line_in_termios=yes],
273 [su_cv_sys_c_line_in_termios=no])])
274 AC_MSG_RESULT([$su_cv_sys_c_line_in_termios])
275 test $su_cv_sys_c_line_in_termios = yes \
276 && AC_DEFINE([HAVE_C_LINE], [1], [FIXME])
279 # FIXME: note that this macro appears above, too.
280 # I'm leaving it here for now. This whole thing needs to be modernized...
283 gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H
285 if test $gl_cv_sys_tiocgwinsz_needs_termios_h = no && \
286 test $gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h = no; then
287 AC_MSG_CHECKING([TIOCGWINSZ in sys/pty.h])
288 AC_CACHE_VAL([su_cv_sys_tiocgwinsz_in_sys_pty_h],
289 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
290 #ifdef WINSIZE_IN_PTEM
291 # include <sys/stream.h>
292 # include <sys/ptem.h>
294 #include <sys/ioctl.h>
296 #include <sys/pty.h>]], [[int x = TIOCGWINSZ;]])],
297 [su_cv_sys_tiocgwinsz_in_sys_pty_h=yes],
298 [su_cv_sys_tiocgwinsz_in_sys_pty_h=no])])
299 AC_MSG_RESULT([$su_cv_sys_tiocgwinsz_in_sys_pty_h])
301 test $su_cv_sys_tiocgwinsz_in_sys_pty_h = yes \
302 && AC_DEFINE([GWINSZ_IN_SYS_PTY], [1],
303 [Define if your system defines TIOCGWINSZ in sys/pty.h.])
307 AC_CHECK_DECLS([strsignal, sys_siglist, _sys_siglist, __sys_siglist], , ,
309 #include <signal.h>])
314 # Build df only if there's a point to it.
315 if test $gl_cv_list_mounted_fs = yes && test $gl_cv_fs_space = yes; then
316 gl_ADD_PROG([optional_bin_progs], [df])
319 ############################################################################
320 mk="$srcdir/src/Makefile.am"
321 # Extract all literal names from the definition of $(EXTRA_PROGRAMS)
322 # in $mk but don't expand the variable references.
323 # Append each literal name to $optional_bin_progs.
325 for gl_i in `sed -n '/^'$v' =/,/[[^\]]$/p' $mk \
326 | sed 's/^ *//;/^\$.*/d;/^'$v' =/d' \
327 | tr -s '\\015\\012\\\\' ' '`; do
328 gl_ADD_PROG([optional_bin_progs], $gl_i)
331 # As above, extract literal names from the definition of $(no_install__progs)
332 # in $mk but don't expand the variable references.
334 t=`sed -n '/^'$v' =/,/[[^\]]$/p' $mk \
335 | sed 's/^ *//;/^\$.*/d;/^'$v' =/d' \
336 | tr -s '\\015\\012\\\\' ' '`
337 # Remove any trailing space.
338 no_install_progs_default=`echo "$t"|sed 's/ $//'`
340 # Unfortunately, due to the way autoconf's AS_HELP_STRING works, the list
341 # of default-not-installed programs, "arch hostname su", must appear in two
342 # places: in this file below, and in $mk. Using "$no_install_progs_default"
343 # below cannot work. And we can't substitute the names into $mk because
344 # automake needs the literals, too.
345 # The compromise is to ensure that the space-separated list extracted
346 # above matches the literal 2nd argument below.
347 c="$srcdir/configure.ac"
348 re='^g''l_INCLUDE_EXCLUDE_PROG(.* [\[\(.*\)\]])'
349 t=`sed -n '/'"$re"'/{s/'"$re"'/\1/;s/,/ /gp
352 $no_install_progs_default) ;;
353 *) AC_MSG_ERROR([[internal error: g'l_INCLUDE_EXCLUDE_PROG's 2nd arg, $t,
354 does not match the list of default-not-installed programs
355 ($no_install_progs_default) also recorded in $mk]],
359 # Given the name of a variable containing a space-separated list of
360 # install-by-default programs and the actual list do-not-install-by-default
361 # programs, modify the former variable to reflect any "do-install" and
362 # "don't-install" requests.
363 # I.e., add any program name specified via --enable-install-program=..., and
364 # remove any program name specified via --enable-no-install-program=...
365 # Note how the second argument below is a literal, with "," separators.
366 # That is required due to the way the macro works, and since the
367 # corresponding ./configure option argument is comma-separated on input.
368 gl_INCLUDE_EXCLUDE_PROG([optional_bin_progs], [arch,hostname,su])
370 # Set INSTALL_SU if su installation has been requested via
371 # --enable-install-program=su.
372 AC_SUBST([INSTALL_SU])
373 case " $optional_bin_progs " in
374 *' su '*) INSTALL_SU=yes ;;
378 MAN=`echo "$optional_bin_progs "|sed 's/ /.1 /g;s/ $//'|tr -d '\\015\\012'`
380 # Change ginstall.1 to "install.h" in $MAN.
381 MAN=`for m in $MAN; do test $m = ginstall.1 && m=install.1; echo $m; done \
382 | tr '\015\012' ' '; echo`
384 # Remove [.1, since writing a portable rule for it in man/Makefile.am
385 # is not practical. The sed LHS below uses the autoconf quadrigraph
387 MAN=`echo "$MAN"|sed 's/\@<:@\.1//'`
389 OPTIONAL_BIN_PROGS=`echo "$optional_bin_progs "|sed 's/ /\$(EXEEXT) /g;s/ $//'`
390 AC_SUBST([OPTIONAL_BIN_PROGS])
391 NO_INSTALL_PROGS_DEFAULT=$no_install_progs_default
392 AC_SUBST([NO_INSTALL_PROGS_DEFAULT])
394 AM_CONDITIONAL([CROSS_COMPILING], [test "$cross_compiling" = yes])
396 # Arrange to rerun configure whenever the file, src/Makefile.am,
397 # containing the list of program names changes.
398 CONFIG_STATUS_DEPENDENCIES='$(top_srcdir)/src/Makefile.am'
399 AC_SUBST([CONFIG_STATUS_DEPENDENCIES])
400 ############################################################################
402 AM_GNU_GETTEXT([external], [need-formatstring-macros])
403 AM_GNU_GETTEXT_VERSION([0.15])
405 # For a test of uniq: it uses the $LOCALE_FR envvar.
416 gnulib-tests/Makefile