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118c07e02e
This incorporates: 2020-06-27 getloadavg: don’t depend on fopen-gnu 2020-06-25 c-dtoastr, c-ldtoastr: new modules 2020-06-01 getloadavg: fix double-increment bug 2020-06-01 tempname: use getrandom, not getentropy 2020-05-31 tempname: merge from glibc and coreutils 2020-05-31 getentropy: work around a macOS and Solaris problem 2020-05-31 fnmatch: merge from glibc 2020-05-30 unistd: remove conflicting declaration of getrandom 2020-05-30 don't assume that UNICODE is not defined 2020-05-29 fix compilation error on native Windows 2020-05-28 avoid dynamic loading of Windows API functions when possible 2020-05-28 at-internal: make more robust in multithreaded applications 2020-05-28 getloadavg: make more robust in multithreaded applications 2020-05-27 getloadavg: make more robust in multithreaded applications 2020-05-26 count-one-bits: fix MSVC specific code 2020-05-25 getentropy, getrandom: new modules 2020-05-24 open, openat: really support O_CLOEXEC 2020-05-23 verify: document ‘assume’ better 2020-05-21 regex: configure better with "clang -fsanitize=leak" 2020-05-21 memmem: configure better with "clang -fsanitize=undefined" 2020-05-19 ftoastr: fix ifndef typo * build-aux/config.guess, build-aux/config.sub, doc/misc/texinfo.tex: * lib/count-one-bits.h, lib/ftoastr.c, lib/ftoastr.h: * lib/getloadavg.c, lib/gettimeofday.c, lib/libc-config.h: * lib/open.c, lib/openat-proc.c, lib/tempname.c, lib/tempname.h: * lib/unistd.in.h, lib/verify.h, m4/memmem.m4, m4/regex.m4: * m4/unistd_h.m4: Update from Gnulib. * lib/getrandom.c, lib/sys_random.in.h: * m4/getrandom.m4, m4/sys_random_h.m4: New files, copied from Gnulib. * lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate.
207 lines
9.9 KiB
Text
207 lines
9.9 KiB
Text
# unistd_h.m4 serial 80
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dnl Copyright (C) 2006-2020 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl Written by Simon Josefsson, Bruno Haible.
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AC_DEFUN([gl_UNISTD_H],
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[
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dnl Use AC_REQUIRE here, so that the default behavior below is expanded
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dnl once only, before all statements that occur in other macros.
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AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
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gl_CHECK_NEXT_HEADERS([unistd.h])
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if test $ac_cv_header_unistd_h = yes; then
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HAVE_UNISTD_H=1
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else
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HAVE_UNISTD_H=0
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fi
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AC_SUBST([HAVE_UNISTD_H])
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dnl Ensure the type pid_t gets defined.
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AC_REQUIRE([AC_TYPE_PID_T])
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dnl Determine WINDOWS_64_BIT_OFF_T.
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AC_REQUIRE([gl_TYPE_OFF_T])
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dnl Check for declarations of anything we want to poison if the
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dnl corresponding gnulib module is not in use.
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gl_WARN_ON_USE_PREPARE([[
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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/* Some systems declare various items in the wrong headers. */
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#if !(defined __GLIBC__ && !defined __UCLIBC__)
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# include <fcntl.h>
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# include <stdio.h>
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# include <stdlib.h>
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# if defined _WIN32 && ! defined __CYGWIN__
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# include <io.h>
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# endif
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#endif
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]], [access chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir
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fchownat fdatasync fsync ftruncate getcwd getdomainname getdtablesize
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getentropy getgroups gethostname getlogin getlogin_r getpagesize getpass
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getusershell setusershell endusershell
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group_member isatty lchown link linkat lseek pipe pipe2 pread pwrite
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readlink readlinkat rmdir sethostname sleep symlink symlinkat
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truncate ttyname_r unlink unlinkat usleep])
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AC_REQUIRE([AC_C_RESTRICT])
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])
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AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
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[
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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dnl Define it also as a C macro, for the benefit of the unit tests.
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gl_MODULE_INDICATOR_FOR_TESTS([$1])
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])
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AC_DEFUN([gl_UNISTD_H_DEFAULTS],
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[
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GNULIB_ACCESS=0; AC_SUBST([GNULIB_ACCESS])
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GNULIB_CHDIR=0; AC_SUBST([GNULIB_CHDIR])
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GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN])
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GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE])
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GNULIB_COPY_FILE_RANGE=0; AC_SUBST([GNULIB_COPY_FILE_RANGE])
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GNULIB_DUP=0; AC_SUBST([GNULIB_DUP])
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GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2])
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GNULIB_DUP3=0; AC_SUBST([GNULIB_DUP3])
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GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON])
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GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS])
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GNULIB_FACCESSAT=0; AC_SUBST([GNULIB_FACCESSAT])
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GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR])
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GNULIB_FCHOWNAT=0; AC_SUBST([GNULIB_FCHOWNAT])
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GNULIB_FDATASYNC=0; AC_SUBST([GNULIB_FDATASYNC])
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GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC])
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GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE])
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GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
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GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME])
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GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE])
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GNULIB_GETENTROPY=0; AC_SUBST([GNULIB_GETENTROPY])
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GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS])
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GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME])
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GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN])
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GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
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GNULIB_GETOPT_POSIX=0; AC_SUBST([GNULIB_GETOPT_POSIX])
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GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE])
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GNULIB_GETPASS=0; AC_SUBST([GNULIB_GETPASS])
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GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL])
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GNULIB_GROUP_MEMBER=0; AC_SUBST([GNULIB_GROUP_MEMBER])
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GNULIB_ISATTY=0; AC_SUBST([GNULIB_ISATTY])
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GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN])
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GNULIB_LINK=0; AC_SUBST([GNULIB_LINK])
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GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT])
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GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK])
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GNULIB_PIPE=0; AC_SUBST([GNULIB_PIPE])
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GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2])
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GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD])
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GNULIB_PWRITE=0; AC_SUBST([GNULIB_PWRITE])
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GNULIB_READ=0; AC_SUBST([GNULIB_READ])
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GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
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GNULIB_READLINKAT=0; AC_SUBST([GNULIB_READLINKAT])
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GNULIB_RMDIR=0; AC_SUBST([GNULIB_RMDIR])
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GNULIB_SETHOSTNAME=0; AC_SUBST([GNULIB_SETHOSTNAME])
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GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
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GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK])
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GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT])
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GNULIB_TRUNCATE=0; AC_SUBST([GNULIB_TRUNCATE])
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GNULIB_TTYNAME_R=0; AC_SUBST([GNULIB_TTYNAME_R])
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GNULIB_UNISTD_H_NONBLOCKING=0; AC_SUBST([GNULIB_UNISTD_H_NONBLOCKING])
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GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
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GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK])
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GNULIB_UNLINKAT=0; AC_SUBST([GNULIB_UNLINKAT])
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GNULIB_USLEEP=0; AC_SUBST([GNULIB_USLEEP])
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GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE])
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_CHOWN=1; AC_SUBST([HAVE_CHOWN])
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HAVE_COPY_FILE_RANGE=1; AC_SUBST([HAVE_COPY_FILE_RANGE])
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HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
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HAVE_DUP3=1; AC_SUBST([HAVE_DUP3])
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HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS])
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HAVE_FACCESSAT=1; AC_SUBST([HAVE_FACCESSAT])
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HAVE_FCHDIR=1; AC_SUBST([HAVE_FCHDIR])
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HAVE_FCHOWNAT=1; AC_SUBST([HAVE_FCHOWNAT])
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HAVE_FDATASYNC=1; AC_SUBST([HAVE_FDATASYNC])
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HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
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HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
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HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE])
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HAVE_GETENTROPY=1; AC_SUBST([HAVE_GETENTROPY])
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HAVE_GETGROUPS=1; AC_SUBST([HAVE_GETGROUPS])
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HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME])
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HAVE_GETLOGIN=1; AC_SUBST([HAVE_GETLOGIN])
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HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE])
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HAVE_GETPASS=1; AC_SUBST([HAVE_GETPASS])
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HAVE_GROUP_MEMBER=1; AC_SUBST([HAVE_GROUP_MEMBER])
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HAVE_LCHOWN=1; AC_SUBST([HAVE_LCHOWN])
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HAVE_LINK=1; AC_SUBST([HAVE_LINK])
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HAVE_LINKAT=1; AC_SUBST([HAVE_LINKAT])
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HAVE_PIPE=1; AC_SUBST([HAVE_PIPE])
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HAVE_PIPE2=1; AC_SUBST([HAVE_PIPE2])
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HAVE_PREAD=1; AC_SUBST([HAVE_PREAD])
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HAVE_PWRITE=1; AC_SUBST([HAVE_PWRITE])
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HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
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HAVE_READLINKAT=1; AC_SUBST([HAVE_READLINKAT])
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HAVE_SETHOSTNAME=1; AC_SUBST([HAVE_SETHOSTNAME])
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HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
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HAVE_SYMLINK=1; AC_SUBST([HAVE_SYMLINK])
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HAVE_SYMLINKAT=1; AC_SUBST([HAVE_SYMLINKAT])
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HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT])
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HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP])
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HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
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HAVE_DECL_FCHDIR=1; AC_SUBST([HAVE_DECL_FCHDIR])
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HAVE_DECL_FDATASYNC=1; AC_SUBST([HAVE_DECL_FDATASYNC])
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HAVE_DECL_GETDOMAINNAME=1; AC_SUBST([HAVE_DECL_GETDOMAINNAME])
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HAVE_DECL_GETLOGIN=1; AC_SUBST([HAVE_DECL_GETLOGIN])
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HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
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HAVE_DECL_GETPAGESIZE=1; AC_SUBST([HAVE_DECL_GETPAGESIZE])
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HAVE_DECL_GETUSERSHELL=1; AC_SUBST([HAVE_DECL_GETUSERSHELL])
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HAVE_DECL_SETHOSTNAME=1; AC_SUBST([HAVE_DECL_SETHOSTNAME])
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HAVE_DECL_TRUNCATE=1; AC_SUBST([HAVE_DECL_TRUNCATE])
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HAVE_DECL_TTYNAME_R=1; AC_SUBST([HAVE_DECL_TTYNAME_R])
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HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
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HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
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REPLACE_ACCESS=0; AC_SUBST([REPLACE_ACCESS])
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REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
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REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE])
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REPLACE_DUP=0; AC_SUBST([REPLACE_DUP])
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REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2])
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REPLACE_FACCESSAT=0; AC_SUBST([REPLACE_FACCESSAT])
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REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT])
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REPLACE_FTRUNCATE=0; AC_SUBST([REPLACE_FTRUNCATE])
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REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
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REPLACE_GETDOMAINNAME=0; AC_SUBST([REPLACE_GETDOMAINNAME])
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REPLACE_GETDTABLESIZE=0; AC_SUBST([REPLACE_GETDTABLESIZE])
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REPLACE_GETLOGIN_R=0; AC_SUBST([REPLACE_GETLOGIN_R])
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REPLACE_GETGROUPS=0; AC_SUBST([REPLACE_GETGROUPS])
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REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE])
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REPLACE_GETPASS=0; AC_SUBST([REPLACE_GETPASS])
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REPLACE_ISATTY=0; AC_SUBST([REPLACE_ISATTY])
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REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN])
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REPLACE_LINK=0; AC_SUBST([REPLACE_LINK])
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REPLACE_LINKAT=0; AC_SUBST([REPLACE_LINKAT])
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REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK])
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REPLACE_PREAD=0; AC_SUBST([REPLACE_PREAD])
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REPLACE_PWRITE=0; AC_SUBST([REPLACE_PWRITE])
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REPLACE_READ=0; AC_SUBST([REPLACE_READ])
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REPLACE_READLINK=0; AC_SUBST([REPLACE_READLINK])
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REPLACE_READLINKAT=0; AC_SUBST([REPLACE_READLINKAT])
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REPLACE_RMDIR=0; AC_SUBST([REPLACE_RMDIR])
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REPLACE_SLEEP=0; AC_SUBST([REPLACE_SLEEP])
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REPLACE_SYMLINK=0; AC_SUBST([REPLACE_SYMLINK])
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REPLACE_SYMLINKAT=0; AC_SUBST([REPLACE_SYMLINKAT])
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REPLACE_TRUNCATE=0; AC_SUBST([REPLACE_TRUNCATE])
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REPLACE_TTYNAME_R=0; AC_SUBST([REPLACE_TTYNAME_R])
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REPLACE_UNLINK=0; AC_SUBST([REPLACE_UNLINK])
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REPLACE_UNLINKAT=0; AC_SUBST([REPLACE_UNLINKAT])
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REPLACE_USLEEP=0; AC_SUBST([REPLACE_USLEEP])
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REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE])
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UNISTD_H_HAVE_SYS_RANDOM_H=0; AC_SUBST([UNISTD_H_HAVE_SYS_RANDOM_H])
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UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
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UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
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AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS])
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])
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