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* acspecific.m4 (AC_SYS_LARGEFILE): Don't worry about
whether fseeko and ftello are properly declared. * acfunctions.m4 (AC_FUNC_FSEEKO): New macro, which worries about fseeko (and presumably ftello). Do not set _XOPEN_SOURCE; that causes too many problems in practice. * acfunctions (fteelo, fseeko): Trigger AC_FUNC_FSEEKO. * doc/autoconf.texi: Adjust.
This commit is contained in:
Akim Demaille
parent
2014a4b07e
commit
d286d1d41e
10
ChangeLog
10
ChangeLog
@ -1,3 +1,13 @@
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2000-11-14 Paul Eggert <eggert@twinsun.com>
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* acspecific.m4 (AC_SYS_LARGEFILE): Don't worry about
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whether fseeko and ftello are properly declared.
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* acfunctions.m4 (AC_FUNC_FSEEKO): New macro, which worries about
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fseeko (and presumably ftello). Do not set _XOPEN_SOURCE; that
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causes too many problems in practice.
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* acfunctions (fteelo, fseeko): Trigger AC_FUNC_FSEEKO.
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* doc/autoconf.texi: Adjust.
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2000-11-14 Akim Demaille <akim@epita.fr>
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* doc/autoconf.texi (Limitations of Builtins): Comment `true'.
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2
NEWS
2
NEWS
@ -203,7 +203,7 @@ test cases in this new frame work.
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** Specific Macros
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- AC_FUNC_CHOWN, AC_FUNC_MALLOC, AC_FUNC_STRERROR_R,
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AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK, AC_FUNC_STAT, AC_FUNC_LSTAT,
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AC_FUNC_ERROR_AT_LINE, AC_FUNC_OBSTACK, AC_FUNC_STRTOD.
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AC_FUNC_ERROR_AT_LINE, AC_FUNC_OBSTACK, AC_FUNC_STRTOD, AC_FUNC_FSEEKO.
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New.
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- AC_FUNC_GETGROUPS
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@ -7,6 +7,8 @@ chown AC_FUNC_CHOWN
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error AC_FUNC_ERROR_AT_LINE
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error_at_line AC_FUNC_ERROR_AT_LINE
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fnmatch AC_FUNC_FNMATCH
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fseeko AC_FUNC_FSEEKO
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ftello AC_FUNC_FSEEKO
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getgroups AC_FUNC_GETGROUPS
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getloadavg AC_FUNC_GETLOADAVG
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getpgrp AC_FUNC_GETPGRP
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@ -374,6 +374,29 @@ fi
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AU_ALIAS([fp_FUNC_FNMATCH], [AC_FUNC_FNMATCH])
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# AC_FUNC_FSEEKO
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# --------------
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AC_DEFUN([AC_FUNC_FSEEKO],
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[_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE, 1,
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[ac_cv_sys_largefile_source],
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[Define to make fseeko visible on some hosts (e.g. HP-UX 10.20).],
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[@%:@include <stdio.h>], [return !fseeko;])
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# We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
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# in glibc 2.1.3, but that breaks too many other things.
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# If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
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AC_CACHE_CHECK([for fseeko], [ac_cv_func_fseeko],
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[AC_TRY_LINK([@%:@include <stdio.h>],
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[return fseeko && fseeko (stdin, 0, 0);],
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[ac_cv_func_fseeko=yes],
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[ac_cv_func_fseeko=no])])
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if test $ac_cv_func_fseeko = yes; then
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AC_DEFINE(HAVE_FSEEKO, 1,
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[Define if fseeko (and presumably ftello) exists and is declared.])
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fi
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])# AC_FUNC_FSEEKO
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# AC_FUNC_GETGROUPS
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# -----------------
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# Try to find `getgroups', and check that it works.
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@ -691,17 +691,9 @@ if test "$enable_largefile" != no; then
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_AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64,
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ac_cv_sys_file_offset_bits,
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[Number of bits in a file offset, on hosts where this is settable.])
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_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE, 1,
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ac_cv_sys_largefile_source,
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[Define to make ftello visible on some hosts (e.g. HP-UX 10.20).],
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[@%:@include <stdio.h>], [return !ftello;])
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_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1,
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ac_cv_sys_large_files,
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[Define for large files, on AIX-style hosts.])
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_AC_SYS_LARGEFILE_MACRO_VALUE(_XOPEN_SOURCE, 500,
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ac_cv_sys_xopen_source,
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[Define to make ftello visible on some hosts (e.g. glibc 2.1.3).],
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[@%:@include <stdio.h>], [return !ftello;])
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fi
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])# AC_SYS_LARGEFILE
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@ -3080,6 +3080,13 @@ If the @code{fnmatch} function is available and works (unlike the one on
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SunOS 5.4), define @code{HAVE_FNMATCH}.
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@end defmac
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@defmac AC_FUNC_FSEEKO
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@maindex FUNC_FSEEKO
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@cvindex _LARGEFILE_SOURCE
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If the @code{fseeko} function is available, define @code{HAVE_FSEEKO}.
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Define @code{_LARGEFILE_SOURCE} if necessary.
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@end defmac
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@defmac AC_FUNC_GETGROUPS
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@maindex FUNC_GETGROUPS
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@ovindex GETGROUPS_LIBS
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@ -4573,17 +4580,14 @@ if the system supports @samp{#!}, @samp{no} if not.
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@defmac AC_SYS_LARGEFILE
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@maindex SYS_LARGEFILE
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@cvindex _FILE_OFFSET_BITS
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@cvindex _LARGEFILE_SOURCE
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@cvindex _LARGE_FILES
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@cvindex _XOPEN_SOURCE
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@ovindex CC
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Arrange for
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@uref{http://www.sas.com/standards/large.file/x_open.20Mar96.html,
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large-file support}. On some hosts, one must use special compiler
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options to build programs that can access large files. Append any such
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options to the output variable @code{CC}. Define
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@code{_FILE_OFFSET_BITS}, @code{_LARGEFILE_SOURCE}, @code{_LARGE_FILES},
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and @code{_XOPEN_SOURCE} if necessary.
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@code{_FILE_OFFSET_BITS} and @code{_LARGE_FILES} if necessary.
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The user can disable large-file support by configuring with the
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@option{--disable-largefile} option.
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@ -374,6 +374,29 @@ fi
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AU_ALIAS([fp_FUNC_FNMATCH], [AC_FUNC_FNMATCH])
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# AC_FUNC_FSEEKO
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# --------------
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AC_DEFUN([AC_FUNC_FSEEKO],
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[_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE, 1,
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[ac_cv_sys_largefile_source],
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[Define to make fseeko visible on some hosts (e.g. HP-UX 10.20).],
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[@%:@include <stdio.h>], [return !fseeko;])
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# We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
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# in glibc 2.1.3, but that breaks too many other things.
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# If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
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AC_CACHE_CHECK([for fseeko], [ac_cv_func_fseeko],
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[AC_TRY_LINK([@%:@include <stdio.h>],
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[return fseeko && fseeko (stdin, 0, 0);],
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[ac_cv_func_fseeko=yes],
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[ac_cv_func_fseeko=no])])
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if test $ac_cv_func_fseeko = yes; then
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AC_DEFINE(HAVE_FSEEKO, 1,
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[Define if fseeko (and presumably ftello) exists and is declared.])
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fi
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])# AC_FUNC_FSEEKO
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# AC_FUNC_GETGROUPS
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# -----------------
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# Try to find `getgroups', and check that it works.
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@ -691,17 +691,9 @@ if test "$enable_largefile" != no; then
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_AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64,
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ac_cv_sys_file_offset_bits,
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[Number of bits in a file offset, on hosts where this is settable.])
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_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE, 1,
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ac_cv_sys_largefile_source,
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[Define to make ftello visible on some hosts (e.g. HP-UX 10.20).],
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[@%:@include <stdio.h>], [return !ftello;])
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_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1,
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ac_cv_sys_large_files,
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[Define for large files, on AIX-style hosts.])
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_AC_SYS_LARGEFILE_MACRO_VALUE(_XOPEN_SOURCE, 500,
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ac_cv_sys_xopen_source,
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[Define to make ftello visible on some hosts (e.g. glibc 2.1.3).],
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[@%:@include <stdio.h>], [return !ftello;])
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fi
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])# AC_SYS_LARGEFILE
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@ -7,6 +7,8 @@ chown AC_FUNC_CHOWN
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error AC_FUNC_ERROR_AT_LINE
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error_at_line AC_FUNC_ERROR_AT_LINE
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fnmatch AC_FUNC_FNMATCH
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fseeko AC_FUNC_FSEEKO
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ftello AC_FUNC_FSEEKO
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getgroups AC_FUNC_GETGROUPS
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getloadavg AC_FUNC_GETLOADAVG
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getpgrp AC_FUNC_GETPGRP
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@ -35,6 +35,7 @@ AT_CHECK_MACRO([AC_FUNC_CHOWN])
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AT_CHECK_MACRO([AC_FUNC_CLOSEDIR_VOID])
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AT_CHECK_MACRO([AC_FUNC_ERROR_AT_LINE])
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AT_CHECK_MACRO([AC_FUNC_FNMATCH])
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AT_CHECK_MACRO([AC_FUNC_FSEEKO])
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AT_CHECK_MACRO([AC_FUNC_GETGROUPS])
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AT_CHECK_MACRO([AC_FUNC_GETLOADAVG])
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AT_CHECK_MACRO([AC_FUNC_GETMNTENT])
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