summaryrefslogtreecommitdiffstats
path: root/configure.ac
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 16:58:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 16:58:41 +0000
commite1908ae95dd4c9d19ee4dfabfc8bf8a7f85943fe (patch)
treef5cc731bedcac0fb7fe14d952e4581e749f8bb87 /configure.ac
parentInitial commit. (diff)
downloadcoreutils-upstream.tar.xz
coreutils-upstream.zip
Adding upstream version 9.4.upstream/9.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac696
1 files changed, 696 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..8ffc0b7
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,696 @@
+# -*- autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+# Copyright (C) 1991-2023 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+dnl Written by Jim Meyering.
+
+AC_PREREQ([2.69])
+
+# Make inter-release version strings look like, e.g., v6.9-219-g58ddd, which
+# indicates that it is built from the 219th delta (in _some_ repository)
+# following the v6.9 tag, and that 58ddd is a prefix of the commit SHA1.
+# The explicit URL can be removed when autoconf > 2.69 is released.
+AC_INIT([GNU coreutils],
+ m4_esyscmd([build-aux/git-version-gen .tarball-version]),
+ [bug-coreutils@gnu.org],
+ [coreutils],
+ [https://www.gnu.org/software/coreutils/])
+
+AC_CONFIG_SRCDIR([src/ls.c])
+
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])
+
+AM_INIT_AUTOMAKE([1.11.2 dist-xz color-tests parallel-tests subdir-objects])
+AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
+
+dnl POSIXCHECK is worthwhile for maintainers, but adds several seconds
+dnl (more than 10% execution time) to ./configure, with no benefit for
+dnl most users. Using it to look for bugs requires:
+dnl GNULIB_POSIXCHECK=1 autoreconf -f
+dnl ./configure
+dnl make
+dnl make -C src clean
+dnl make CFLAGS=-DGNULIB_POSIXCHECK=1
+dnl FIXME: Once we figure out how to avoid false positives, we should
+dnl have 'make my-distcheck' in dist-check.mk exercise this.
+m4_syscmd([test "${GNULIB_POSIXCHECK+set}" = set])
+m4_if(m4_sysval, [0], [], [dnl
+gl_ASSERT_NO_GNULIB_POSIXCHECK])
+
+AC_PROG_CC
+AM_PROG_CC_C_O
+AC_PROG_CPP
+AC_PROG_GCC_TRADITIONAL
+AC_PROG_RANLIB
+AC_PROG_EGREP
+AC_PROG_LN_S
+gl_EARLY
+gl_SET_CRYPTO_CHECK_DEFAULT([auto-gpl-compat])
+gl_INIT
+coreutils_MACROS
+
+# The test suite needs to know if we have a working perl.
+AM_CONDITIONAL([HAVE_PERL], [test "$gl_cv_prog_perl" != no])
+
+# gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
+# ------------------------------------------------
+# If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
+# Otherwise, run RUN-IF-NOT-FOUND.
+AC_DEFUN([gl_GCC_VERSION_IFELSE],
+ [AC_PREPROC_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
+/* ok */
+#else
+# error "your version of gcc is older than $1.$2"
+#endif
+ ]]),
+ ], [$3], [$4])
+ ]
+)
+
+AC_ARG_ENABLE([single-binary],
+ [AS_HELP_STRING([--enable-single-binary=[shebangs|symlinks]],
+ [Compile all the tools in a single binary, reducing the overall size.
+ When compiled this way, shebangs (default when enabled) or symlinks are
+ installed for each tool that points to the single binary.])],
+ [gl_single_binary=no ;
+ case $enableval in
+ yes) gl_single_binary=shebangs ;;
+ no|shebangs|symlinks) gl_single_binary=$enableval ;;
+ *) AC_MSG_ERROR([bad value $enableval for single-binary option.
+ Options are: symlinks, shebangs, no.]) ;;
+ esac],
+ [gl_single_binary=no]
+)
+AC_ARG_ENABLE([single-binary-exceptions],
+ [AS_HELP_STRING([--enable-single-binary-exceptions=PROG_LIST],
+ [When used with --enable-single-binary, exclude the PROG_LIST from
+ it, so these programs are compiled as separated files
+ (comma-separated, default none))])],
+ [gl_single_binary_exceptions=$enableval],
+ [gl_single_binary_exceptions=]
+)
+if test "$gl_single_binary" = 'symlinks'; then
+ if ! test "`echo ls | sed \"$program_transform_name\"`" = 'ls'; then
+ AC_MSG_ERROR([program name transformations are not currently supported
+ with --enable-single-binary=symlinks.])
+ fi
+fi
+AM_CONDITIONAL([SINGLE_BINARY], [test "$gl_single_binary" != no])
+
+AC_ARG_ENABLE([bold-man-page-references],
+ [AS_HELP_STRING([--disable-bold-man-page-references],
+ [When generating man pages, do not apply bold style around any
+ references like name(1) etc.])],
+ [gl_bold_manpages=yes ;
+ case $enableval in
+ no|yes) gl_bold_manpages=$enableval ;;
+ *) AC_MSG_ERROR([bad value $enableval for bold-man-page-references.
+ Options are: yes, no.]) ;;
+ esac],
+ [gl_bold_manpages=yes]
+)
+AM_CONDITIONAL([BOLD_MAN_REFS], [test "$gl_bold_manpages" != no])
+
+AC_ARG_ENABLE([gcc-warnings],
+ [AS_HELP_STRING([--enable-gcc-warnings@<:@=TYPE@:>@],
+ [control generation of GCC warnings. The TYPE 'no' disables
+ warnings (default for non-developer builds); 'yes' generates
+ cheap warnings if available (default for developer builds);
+ 'expensive' in addition generates expensive-to-compute warnings
+ if available.])],
+ [case $enableval in
+ no|yes|expensive) ;;
+ *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
+ esac
+ gl_gcc_warnings=$enableval],
+ [
+ # GCC provides fine-grained control over diagnostics which
+ # is used in gnulib for example to suppress warnings from
+ # certain sections of code. So if this is available and
+ # we're running from a git repo, then auto enable the warnings.
+ gl_gcc_warnings=no
+ gl_GCC_VERSION_IFELSE([4], [6],
+ [test -d "$srcdir"/.git \
+ && ! test -f "$srcdir"/.tarball-version \
+ && gl_gcc_warnings=yes])]
+)
+
+if test $gl_gcc_warnings != no; then
+ gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
+ AC_SUBST([WERROR_CFLAGS])
+
+ ew=
+ AS_IF([test $gl_gcc_warnings != expensive],
+ [# -fanalyzer and related options slow GCC considerably.
+ ew="$ew -fanalyzer -Wno-analyzer-malloc-leak"])
+
+ # This, $nw, is the list of warnings we disable.
+ nw=$ew
+ nw="$nw -Wdeclaration-after-statement" # too useful to forbid
+ nw="$nw -Waggregate-return" # anachronistic
+ nw="$nw -Wlong-long" # C90 is anachronistic (lib/gethrxtime.h)
+ nw="$nw -Wc++-compat" # We don't care about C++ compilers
+ nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
+ nw="$nw -Wtraditional" # Warns on #elif which we use often
+ nw="$nw -Wcast-qual" # Too many warnings for now
+ nw="$nw -Wconversion" # Too many warnings for now
+ nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
+ nw="$nw -Wsign-conversion" # Too many warnings for now
+ nw="$nw -Wtraditional-conversion" # Too many warnings for now
+ nw="$nw -Wunreachable-code" # Too many warnings for now
+ nw="$nw -Wpadded" # Our structs are not padded
+ nw="$nw -Wredundant-decls" # openat.h declares e.g., mkdirat
+ nw="$nw -Wformat-nonliteral" # who.c and pinky.c strftime uses
+ nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
+ nw="$nw -Wswitch-enum" # Too many warnings for now
+ nw="$nw -Wswitch-default" # Too many warnings for now
+ nw="$nw -Wstack-protector" # not worth working around
+ nw="$nw -Wformat-overflow=2" # False alarms due to GCC bug 110333
+ nw="$nw -Wformat-truncation=2" # False alarm in ls.c, probably related
+ # things I might fix soon:
+ nw="$nw -Wfloat-equal" # sort.c, seq.c
+ nw="$nw -Wmissing-format-attribute" # copy.c
+ nw="$nw -Wunsafe-loop-optimizations" # a few src/*.c
+ nw="$nw -Winline" # system.h's readdir_ignoring_dot_and_dotdot
+ nw="$nw -Wvector-operation-performance" # warns about randperm.c
+
+ # Suppress noreturn warnings with single binaries; otherwise
+ # GCC complains about the renamed 'main' not being declared noreturn
+ # because 'main_exit' calls 'exit' when linting.
+ if test "$gl_single_binary" != no; then
+ nw="$nw -Wsuggest-attribute=noreturn"
+ fi
+
+ # Using -Wstrict-overflow is a pain, but the alternative is worse.
+ # For an example, see the code that provoked this report:
+ # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=33498
+ # Code like that still infloops with gcc-4.6.0 and -O2. Scary indeed.
+
+ gl_MANYWARN_ALL_GCC([ws])
+ gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
+ for w in $ws; do
+ gl_WARN_ADD([$w])
+ done
+ gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
+ gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
+ gl_WARN_ADD([-Wno-format-nonliteral])
+
+ # clang is unduly picky about some things.
+ AC_CACHE_CHECK([whether the compiler is clang], [utils_cv_clang],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #ifndef __clang__
+ #error "not clang"
+ #endif
+ ]])],
+ [utils_cv_clang=yes],
+ [utils_cv_clang=no])])
+ if test $utils_cv_clang = yes; then
+ gl_WARN_ADD([-Wno-format-extra-args])
+ gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
+ fi
+
+ gl_WARN_ADD([-fdiagnostics-show-option])
+ gl_WARN_ADD([-funit-at-a-time])
+
+ AC_SUBST([WARN_CFLAGS])
+
+ AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
+ AH_VERBATIM([FORTIFY_SOURCE],
+ [/* Enable compile-time and run-time bounds-checking, and some warnings,
+ without upsetting glibc 2.15+. */
+ #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
+ # define _FORTIFY_SOURCE 2
+ #endif
+ ])
+ AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
+
+ # We use a slightly smaller set of warning options for lib/.
+ # Remove the following and save the result in GNULIB_WARN_CFLAGS.
+ nw=$ew
+ nw="$nw -Wduplicated-branches" # Too many false alarms
+ nw="$nw -Wformat-truncation=2"
+ nw="$nw -Wstrict-overflow"
+ nw="$nw -Wuninitialized"
+ nw="$nw -Wunused-macros"
+ nw="$nw -Wmissing-prototypes"
+ nw="$nw -Wold-style-definition"
+ # FIXME: it may be easy to remove this, since it affects only one file:
+ # the snprintf call at ftoastr.c:132.
+ nw="$nw -Wdouble-promotion"
+
+ # FIXME: remove this line when gcc improves
+ # FP in careadlinkat.c w/gcc 10.0.1 20200205
+ gl_WARN_ADD([-Wno-return-local-addr])
+
+ # FIXME: remove this line when gcc improves
+ # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443
+ gl_WARN_ADD([-Wno-stringop-overflow])
+
+ gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
+ AC_SUBST([GNULIB_WARN_CFLAGS])
+
+ # For gnulib-tests, the set is slightly smaller still.
+ nw=
+ nw="$nw -Wstrict-prototypes"
+ # It's not worth being this picky about test programs.
+ nw="$nw -Wsuggest-attribute=const"
+ nw="$nw -Wsuggest-attribute=format"
+ nw="$nw -Wsuggest-attribute=pure"
+ gl_MANYWARN_COMPLEMENT([GNULIB_TEST_WARN_CFLAGS],
+ [$GNULIB_WARN_CFLAGS], [$nw])
+ AC_SUBST([GNULIB_TEST_WARN_CFLAGS])
+fi
+
+AC_FUNC_FORK
+
+optional_bin_progs=
+AC_CHECK_FUNCS([chroot],
+ gl_ADD_PROG([optional_bin_progs], [chroot]))
+AC_CHECK_FUNCS([gethostid],
+ gl_ADD_PROG([optional_bin_progs], [hostid]))
+AC_CHECK_FUNCS([sigsuspend],
+ gl_ADD_PROG([optional_bin_progs], [timeout]))
+
+gl_WINSIZE_IN_PTEM
+
+AC_MSG_CHECKING([whether localtime caches TZ])
+AC_CACHE_VAL([utils_cv_localtime_cache],
+[if test x$ac_cv_func_tzset = xyes; then
+AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
+#if STDC_HEADERS
+# include <stdlib.h>
+#endif
+extern char **environ;
+void unset_TZ (void)
+{
+ char **from, **to;
+ for (to = from = environ; (*to = *from); from++)
+ if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
+ to++;
+}
+int
+main ()
+{
+ time_t now = time ((time_t *) 0);
+ int hour_GMT0, hour_unset;
+ if (putenv ("TZ=GMT0") != 0)
+ return 1;
+ hour_GMT0 = localtime (&now)->tm_hour;
+ unset_TZ ();
+ hour_unset = localtime (&now)->tm_hour;
+ if (putenv ("TZ=PST8") != 0)
+ return 1;
+ if (localtime (&now)->tm_hour == hour_GMT0)
+ return 1;
+ unset_TZ ();
+ if (localtime (&now)->tm_hour != hour_unset)
+ return 1;
+ return 0;
+}]])],
+[utils_cv_localtime_cache=no],
+[utils_cv_localtime_cache=yes],
+[# If we have tzset, assume the worst when cross-compiling.
+utils_cv_localtime_cache=yes])
+else
+ # If we lack tzset, report that localtime does not cache TZ,
+ # since we can't invalidate the cache if we don't have tzset.
+ utils_cv_localtime_cache=no
+fi])dnl
+AC_MSG_RESULT([$utils_cv_localtime_cache])
+if test $utils_cv_localtime_cache = yes; then
+ AC_DEFINE([LOCALTIME_CACHE], [1], [FIXME])
+fi
+
+# macOS >= 10.12
+AC_CHECK_FUNCS([fclonefileat])
+
+# Assume that if getattrat exists, it's compatible with Solaris 11.
+AC_CHECK_FUNCS([getattrat])
+if test $ac_cv_func_getattrat = yes; then
+ LIB_NVPAIR=-lnvpair
+ AC_SUBST([LIB_NVPAIR])
+fi
+
+# glibc >= 2.28 and linux kernel >= 4.11
+AC_CHECK_FUNCS([statx])
+
+# SCO-ODT-3.0 is reported to need -los to link programs using initgroups
+AC_CHECK_FUNCS([initgroups])
+if test $ac_cv_func_initgroups = no; then
+ AC_CHECK_LIB([os], [initgroups])
+fi
+
+AC_CHECK_FUNCS([syslog])
+if test $ac_cv_func_syslog = no; then
+ # syslog is not in the default libraries. See if it's in some other.
+ for lib in bsd socket inet; do
+ AC_CHECK_LIB([$lib], [syslog], [AC_DEFINE([HAVE_SYSLOG], [1], [FIXME])
+ LIBS="$LIBS -l$lib"; break])
+ done
+fi
+
+AC_CACHE_CHECK([for 3-argument setpriority function],
+ [utils_cv_func_setpriority],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <sys/time.h>
+ #include <sys/resource.h>
+ ]],
+ [[setpriority (0, 0, 0);]])],
+ [utils_cv_func_setpriority=yes],
+ [utils_cv_func_setpriority=no])])
+if test $utils_cv_func_setpriority = no; then
+ AC_CHECK_FUNCS([nice])
+fi
+case $utils_cv_func_setpriority,$ac_cv_func_nice in
+*yes*)
+ gl_ADD_PROG([optional_bin_progs], [nice])
+esac
+
+if test "$cross_compiling" = yes || test -c /dev/stdin <.; then
+ AC_DEFINE([DEV_FD_MIGHT_BE_CHR], [1],
+ [Define to 1 if /dev/std{in,out,err} and /dev/fd/N, if they exist, might be
+ character-special devices whose minor device number is the file
+ descriptor number, such as on Solaris. Leave undefined if they are
+ definitely the actual files. This determination should be done after any
+ symbolic links are followed.])
+fi
+
+AC_DEFUN([coreutils_DUMMY_1],
+[
+ AC_REQUIRE([gl_READUTMP])
+ if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then
+ gl_ADD_PROG([optional_bin_progs], [who])
+ gl_ADD_PROG([optional_bin_progs], [users])
+ gl_ADD_PROG([optional_bin_progs], [pinky])
+ fi
+])
+coreutils_DUMMY_1
+
+AC_SYS_POSIX_TERMIOS()
+gl_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL
+
+if test $ac_cv_sys_posix_termios = yes; then
+ gl_ADD_PROG([optional_bin_progs], [stty])
+
+ AC_MSG_CHECKING([whether termios.h needs _XOPEN_SOURCE])
+ AC_CACHE_VAL([su_cv_sys_termios_needs_xopen_source],
+ [AC_EGREP_CPP([yes], [#include <termios.h>
+#ifdef IUCLC
+yes
+#endif], su_cv_sys_termios_needs_xopen_source=no,
+ AC_EGREP_CPP([yes], [#define _XOPEN_SOURCE
+#include <termios.h>
+#ifdef IUCLC
+yes
+#endif], su_cv_sys_termios_needs_xopen_source=yes,
+ su_cv_sys_termios_needs_xopen_source=no))])
+ AC_MSG_RESULT([$su_cv_sys_termios_needs_xopen_source])
+ test $su_cv_sys_termios_needs_xopen_source = yes &&
+ AC_DEFINE([TERMIOS_NEEDS_XOPEN_SOURCE], [1], [FIXME])
+
+ AC_MSG_CHECKING([c_line in struct termios])
+ AC_CACHE_VAL([su_cv_sys_c_line_in_termios],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#if TERMIOS_NEEDS_XOPEN_SOURCE
+ #define _XOPEN_SOURCE
+ #endif
+ #include <sys/types.h>
+ #include <termios.h>
+ struct termios t;
+ int s = sizeof t.c_line;]])],
+ [su_cv_sys_c_line_in_termios=yes],
+ [su_cv_sys_c_line_in_termios=no])])
+ AC_MSG_RESULT([$su_cv_sys_c_line_in_termios])
+ test $su_cv_sys_c_line_in_termios = yes \
+ && AC_DEFINE([HAVE_C_LINE], [1], [FIXME])
+fi
+
+# FIXME: note that this macro appears above, too.
+# I'm leaving it here for now. This whole thing needs to be modernized...
+gl_WINSIZE_IN_PTEM
+
+gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H
+
+if test $gl_cv_sys_tiocgwinsz_needs_termios_h = no && \
+ test $gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h = no; then
+ AC_MSG_CHECKING([TIOCGWINSZ in sys/pty.h])
+ AC_CACHE_VAL([su_cv_sys_tiocgwinsz_in_sys_pty_h],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+#ifdef WINSIZE_IN_PTEM
+# include <sys/stream.h>
+# include <sys/ptem.h>
+#endif
+#include <sys/ioctl.h>
+#include <sys/tty.h>
+#include <sys/pty.h>]], [[int x = TIOCGWINSZ;]])],
+ [su_cv_sys_tiocgwinsz_in_sys_pty_h=yes],
+ [su_cv_sys_tiocgwinsz_in_sys_pty_h=no])])
+ AC_MSG_RESULT([$su_cv_sys_tiocgwinsz_in_sys_pty_h])
+
+ test $su_cv_sys_tiocgwinsz_in_sys_pty_h = yes \
+ && AC_DEFINE([GWINSZ_IN_SYS_PTY], [1],
+ [Define if your system defines TIOCGWINSZ in sys/pty.h.])
+fi
+
+# For src/kill.c.
+AC_CHECK_DECLS([strsignal, sys_siglist, _sys_siglist, __sys_siglist], , ,
+ [AC_INCLUDES_DEFAULT
+#include <signal.h>])
+
+# Build df only if there's a point to it.
+if test $gl_cv_list_mounted_fs = yes && test $gl_cv_fs_space = yes; then
+ gl_ADD_PROG([optional_bin_progs], [df])
+fi
+
+# Build stdbuf only if supported
+ac_save_CFLAGS=$CFLAGS
+ac_save_LDFLAGS=$LDFLAGS
+cu_save_c_werror_flag=$ac_c_werror_flag
+AC_LANG_WERROR
+# Detect warnings about ignored "constructor" attributes.
+gl_WARN_ADD([-Werror], [CFLAGS])
+gl_WARN_ADD([-errwarn], [CFLAGS])
+# Put this message here, after gl_WARN_ADD's chatter.
+AC_MSG_CHECKING([whether this system supports stdbuf])
+CFLAGS="-fPIC $CFLAGS"
+LDFLAGS="-shared $LDFLAGS"
+stdbuf_supported=no
+# Note we only LINK here rather than RUN to support cross compilation
+AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ static int stdbuf = 0;
+
+ void __attribute__ ((constructor))
+ stdbuf_init (void)
+ {
+ stdbuf = 1;
+ }]],[[
+ if (stdbuf != 1)
+ return 1;]])
+ ],
+ [stdbuf_supported=yes])
+AC_MSG_RESULT([$stdbuf_supported])
+if test "$stdbuf_supported" = "yes" && test -z "$EXEEXT"; then
+ gl_ADD_PROG([optional_bin_progs], [stdbuf])
+fi
+CFLAGS=$ac_save_CFLAGS
+LDFLAGS=$ac_save_LDFLAGS
+ac_c_werror_flag=$cu_save_c_werror_flag
+
+ac_save_CFLAGS=$CFLAGS
+CFLAGS="-mavx -mpclmul $CFLAGS"
+AC_MSG_CHECKING([if pclmul intrinsic exists])
+AC_LINK_IFELSE(
+ [AC_LANG_SOURCE([[
+ #include <x86intrin.h>
+
+ int
+ main (void)
+ {
+ __m128i a, b;
+ a = _mm_clmulepi64_si128 (a, b, 0x00);
+ a = _mm_shuffle_epi8 (a, b);
+ return __builtin_cpu_supports ("pclmul");
+ }
+ ]])
+ ],[
+ pclmul_intrinsic_exists=yes
+ ],[
+ pclmul_intrinsic_exists=no
+ ])
+AC_MSG_RESULT([$pclmul_intrinsic_exists])
+if test $pclmul_intrinsic_exists = yes; then
+ AC_DEFINE([USE_PCLMUL_CRC32], [1],
+ [CRC32 calculation by pclmul hardware instruction enabled])
+fi
+AM_CONDITIONAL([USE_PCLMUL_CRC32],
+ [test $pclmul_intrinsic_exists = yes])
+CFLAGS=$ac_save_CFLAGS
+
+CFLAGS="-mavx2 $CFLAGS"
+AC_MSG_CHECKING([for avx2 intrinsics])
+AC_LINK_IFELSE(
+ [AC_LANG_SOURCE([[
+ #include <x86intrin.h>
+
+ int
+ main (void)
+ {
+ __m256i a, b;
+ a = _mm256_sad_epu8 (a, b);
+ return __builtin_cpu_supports ("avx2");
+ }
+ ]])
+ ],[
+ avx2_intrinsic_exists=yes
+ ],[
+ avx2_intrinsic_exists=no
+ ])
+AC_MSG_RESULT([$avx2_intrinsic_exists])
+if test $avx2_intrinsic_exists = yes; then
+ AC_DEFINE([USE_AVX2_WC_LINECOUNT], [1], [Counting lines with AVX2 enabled])
+fi
+AM_CONDITIONAL([USE_AVX2_WC_LINECOUNT],
+ [test $avx2_intrinsic_exists = yes])
+
+CFLAGS=$ac_save_CFLAGS
+
+############################################################################
+
+dnl Autogenerated by the 'gen-lists-of-programs.sh' auxiliary script.
+dnl Issue proper calls to the macros gl_INCLUDE_EXCLUDE_PROG and
+dnl gl_ADD_PROG (updating $optional_bin_progs), and generate the list
+dnl of coreutils programs to be built only upon explicit user request,
+dnl saving that list in the $no_install_progs_default shell variable.
+m4_include([m4/cu-progs.m4])
+
+# Now that we know which programs will actually be built, determine
+# which optional helper progs should be compiled.
+# Note it adding to pkglibexec_PROGRAMS, $(transform) in src/local.mk
+# may need to be updated accordingly.
+case " $optional_bin_progs " in
+ *' stdbuf '*) pkglibexec_PROGRAMS='src/libstdbuf.so';;
+ *) pkglibexec_PROGRAMS='';;
+esac
+
+man1_MANS=`
+ for p in $optional_bin_progs; do
+ # Change "ginstall.1" to "install.1".
+ test $p = ginstall && p=install
+ # Ignore the "[" program, since writing a portable make rule to
+ # generate its manpage is not practical.
+ dnl Use the autoconf-provided quadrigraph to represent "[",
+ dnl otherwise we will incur in dreadful quoting issues.
+ test x$p = x'@<:@' && continue
+ echo "man/$p.1"
+ done`
+
+# Not installed by "make install", but must be built when creating
+# a distribution tarball.
+EXTRA_MANS=`for p in $no_install_progs_default $gl_no_install_prog; do
+ echo man/$p.1
+ done`
+
+# Replace all the programs by the single binary and symlinks if specified.
+single_binary_progs=
+single_binary_libs=
+single_binary_deps=
+single_binary_install_type=
+if test "$gl_single_binary" != no; then
+ man1_MANS="$man1_MANS man/coreutils.1"
+ # Convert the list to a space separated list
+ gl_single_binary_exceptions=`echo $gl_single_binary_exceptions | tr ',' ' '`
+
+ single_binary_progs=`echo $optional_bin_progs`
+ optional_bin_progs="coreutils"
+ for prog in $gl_single_binary_exceptions; do
+ # Fail if requested to exclude a program than was not part of coreutils.
+ case " $single_binary_progs " in
+ *" $prog "*)
+ gl_REMOVE_PROG([single_binary_progs], [$prog]) ;
+ gl_ADD_PROG([optional_bin_progs], [$prog]) ;;
+ *) AC_MSG_ERROR(['$prog' is not being compiled.]) ;;
+ esac
+ done
+
+ # single_binary_libs holds the list of libs required by the selected
+ # programs, such as for example -lrt.
+ single_binary_libs=`
+ for p in $single_binary_progs; do
+ # Convert '[' to '_'
+ test x"$p" = x'@<:@' && p='_'
+ printf '$(src_libsinglebin_%s_a_ldadd) ' "$p"
+ done`
+ # single_binary_deps holds the list of libsinglebin_*.a files that have the
+ # compiled code of each selected program in a "library" format.
+ single_binary_deps=`
+ for p in $single_binary_progs; do
+ # Convert '[' to '_'
+ test x"$p" = x'@<:@' && p='_'
+ printf 'src/libsinglebin_%s.a ' "$p"
+ done`
+ single_binary_install_type="$gl_single_binary"
+fi
+AC_SUBST([single_binary_progs], [$single_binary_progs])
+AC_SUBST([single_binary_libs], [$single_binary_libs])
+AC_SUBST([single_binary_deps], [$single_binary_deps])
+AC_SUBST([single_binary_install_type], [$single_binary_install_type])
+
+
+# The programs built and installed by "make && make install".
+# Since this is AC_SUBST'd, Automake won't be able to perform rewrite
+# with $(EXEEXT) appending on it, so we have to do it ourselves -- in
+# this case, only for $(bin_PROGRAMS).
+bin_PROGRAMS=`
+ for p in $optional_bin_progs; do echo src/"$p"'$(EXEEXT)'; done`
+
+# Normalize whitespace.
+man1_MANS=`echo $man1_MANS`
+EXTRA_MANS=`echo $EXTRA_MANS`
+bin_PROGRAMS=`echo $bin_PROGRAMS`
+pkglibexec_PROGS=`echo $pkglibexec_PROGRAMS`
+
+AC_SUBST([bin_PROGRAMS]) AM_SUBST_NOTMAKE([bin_PROGRAMS])
+AC_SUBST([pkglibexec_PROGRAMS]) AM_SUBST_NOTMAKE([pkglibexec_PROGRAMS])
+AC_SUBST([man1_MANS]) AM_SUBST_NOTMAKE([man1_MANS])
+AC_SUBST([EXTRA_MANS]) AM_SUBST_NOTMAKE([EXTRA_MANS])
+
+AC_SUBST([built_programs], [$optional_bin_progs])
+
+AM_CONDITIONAL([CROSS_COMPILING], [test "$cross_compiling" = yes])
+
+############################################################################
+
+# As long as "grep 'PRI[diouxX]' po/*.pot" reports matches in
+# translatable strings, we must use need-formatstring-macros here.
+AM_GNU_GETTEXT([external], [need-formatstring-macros])
+AM_GNU_GETTEXT_VERSION([0.19.2])
+
+# For a test of uniq: it uses the $LOCALE_FR envvar.
+gt_LOCALE_FR
+
+AC_CONFIG_FILES(
+ Makefile
+ po/Makefile.in
+ gnulib-tests/Makefile
+ )
+AC_OUTPUT