| # unistd_h.m4 serial 85 |
| dnl Copyright (C) 2006-2021 Free Software Foundation, Inc. |
| dnl This file is free software; the Free Software Foundation |
| dnl gives unlimited permission to copy and/or distribute it, |
| dnl with or without modifications, as long as this notice is preserved. |
| |
| dnl Written by Simon Josefsson, Bruno Haible. |
| |
| AC_DEFUN([gl_UNISTD_H], |
| [ |
| dnl Use AC_REQUIRE here, so that the default behavior below is expanded |
| dnl once only, before all statements that occur in other macros. |
| AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) |
| |
| gl_CHECK_NEXT_HEADERS([unistd.h]) |
| if test $ac_cv_header_unistd_h = yes; then |
| HAVE_UNISTD_H=1 |
| else |
| HAVE_UNISTD_H=0 |
| fi |
| AC_SUBST([HAVE_UNISTD_H]) |
| |
| dnl Ensure the type pid_t gets defined. |
| AC_REQUIRE([AC_TYPE_PID_T]) |
| |
| dnl Determine WINDOWS_64_BIT_OFF_T. |
| AC_REQUIRE([gl_TYPE_OFF_T]) |
| |
| dnl Check for declarations of anything we want to poison if the |
| dnl corresponding gnulib module is not in use. |
| gl_WARN_ON_USE_PREPARE([[ |
| #if HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| /* Some systems declare various items in the wrong headers. */ |
| #if !(defined __GLIBC__ && !defined __UCLIBC__) |
| # include <fcntl.h> |
| # include <stdio.h> |
| # include <stdlib.h> |
| # if defined _WIN32 && ! defined __CYGWIN__ |
| # include <io.h> |
| # endif |
| #endif |
| ]], [access chdir chown copy_file_range dup dup2 dup3 environ euidaccess |
| execl execle execlp execv execve execvp execvpe |
| faccessat fchdir |
| fchownat fdatasync fsync ftruncate getcwd getdomainname getdtablesize |
| getentropy getgroups gethostname getlogin getlogin_r getpagesize getpass |
| getusershell setusershell endusershell |
| group_member isatty lchown link linkat lseek pipe pipe2 pread pwrite |
| readlink readlinkat rmdir sethostname sleep symlink symlinkat |
| truncate ttyname_r unlink unlinkat usleep]) |
| |
| AC_REQUIRE([AC_C_RESTRICT]) |
| |
| AC_CHECK_DECLS_ONCE([execvpe]) |
| if test $ac_cv_have_decl_execvpe = no; then |
| HAVE_DECL_EXECVPE=0 |
| fi |
| ]) |
| |
| AC_DEFUN([gl_UNISTD_MODULE_INDICATOR], |
| [ |
| dnl Use AC_REQUIRE here, so that the default settings are expanded once only. |
| AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) |
| gl_MODULE_INDICATOR_SET_VARIABLE([$1]) |
| dnl Define it also as a C macro, for the benefit of the unit tests. |
| gl_MODULE_INDICATOR_FOR_TESTS([$1]) |
| ]) |
| |
| AC_DEFUN([gl_UNISTD_H_DEFAULTS], |
| [ |
| GNULIB_ACCESS=0; AC_SUBST([GNULIB_ACCESS]) |
| GNULIB_CHDIR=0; AC_SUBST([GNULIB_CHDIR]) |
| GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN]) |
| GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE]) |
| GNULIB_COPY_FILE_RANGE=0; AC_SUBST([GNULIB_COPY_FILE_RANGE]) |
| GNULIB_DUP=0; AC_SUBST([GNULIB_DUP]) |
| GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2]) |
| GNULIB_DUP3=0; AC_SUBST([GNULIB_DUP3]) |
| GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON]) |
| GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS]) |
| GNULIB_EXECL=0; AC_SUBST([GNULIB_EXECL]) |
| GNULIB_EXECLE=0; AC_SUBST([GNULIB_EXECLE]) |
| GNULIB_EXECLP=0; AC_SUBST([GNULIB_EXECLP]) |
| GNULIB_EXECV=0; AC_SUBST([GNULIB_EXECV]) |
| GNULIB_EXECVE=0; AC_SUBST([GNULIB_EXECVE]) |
| GNULIB_EXECVP=0; AC_SUBST([GNULIB_EXECVP]) |
| GNULIB_EXECVPE=0; AC_SUBST([GNULIB_EXECVPE]) |
| GNULIB_FACCESSAT=0; AC_SUBST([GNULIB_FACCESSAT]) |
| GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR]) |
| GNULIB_FCHOWNAT=0; AC_SUBST([GNULIB_FCHOWNAT]) |
| GNULIB_FDATASYNC=0; AC_SUBST([GNULIB_FDATASYNC]) |
| GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC]) |
| GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE]) |
| GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD]) |
| GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME]) |
| GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE]) |
| GNULIB_GETENTROPY=0; AC_SUBST([GNULIB_GETENTROPY]) |
| GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS]) |
| GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME]) |
| GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN]) |
| GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R]) |
| GNULIB_GETOPT_POSIX=0; AC_SUBST([GNULIB_GETOPT_POSIX]) |
| GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE]) |
| GNULIB_GETPASS=0; AC_SUBST([GNULIB_GETPASS]) |
| GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL]) |
| GNULIB_GROUP_MEMBER=0; AC_SUBST([GNULIB_GROUP_MEMBER]) |
| GNULIB_ISATTY=0; AC_SUBST([GNULIB_ISATTY]) |
| GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN]) |
| GNULIB_LINK=0; AC_SUBST([GNULIB_LINK]) |
| GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT]) |
| GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK]) |
| GNULIB_PIPE=0; AC_SUBST([GNULIB_PIPE]) |
| GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2]) |
| GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD]) |
| GNULIB_PWRITE=0; AC_SUBST([GNULIB_PWRITE]) |
| GNULIB_READ=0; AC_SUBST([GNULIB_READ]) |
| GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK]) |
| GNULIB_READLINKAT=0; AC_SUBST([GNULIB_READLINKAT]) |
| GNULIB_RMDIR=0; AC_SUBST([GNULIB_RMDIR]) |
| GNULIB_SETHOSTNAME=0; AC_SUBST([GNULIB_SETHOSTNAME]) |
| GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP]) |
| GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK]) |
| GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT]) |
| GNULIB_TRUNCATE=0; AC_SUBST([GNULIB_TRUNCATE]) |
| GNULIB_TTYNAME_R=0; AC_SUBST([GNULIB_TTYNAME_R]) |
| GNULIB_UNISTD_H_NONBLOCKING=0; AC_SUBST([GNULIB_UNISTD_H_NONBLOCKING]) |
| GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE]) |
| GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK]) |
| GNULIB_UNLINKAT=0; AC_SUBST([GNULIB_UNLINKAT]) |
| GNULIB_USLEEP=0; AC_SUBST([GNULIB_USLEEP]) |
| GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE]) |
| dnl Support Microsoft deprecated alias function names by default. |
| GNULIB_MDA_ACCESS=1; AC_SUBST([GNULIB_MDA_ACCESS]) |
| GNULIB_MDA_CHDIR=1; AC_SUBST([GNULIB_MDA_CHDIR]) |
| GNULIB_MDA_CLOSE=1; AC_SUBST([GNULIB_MDA_CLOSE]) |
| GNULIB_MDA_DUP=1; AC_SUBST([GNULIB_MDA_DUP]) |
| GNULIB_MDA_DUP2=1; AC_SUBST([GNULIB_MDA_DUP2]) |
| GNULIB_MDA_EXECL=1; AC_SUBST([GNULIB_MDA_EXECL]) |
| GNULIB_MDA_EXECLE=1; AC_SUBST([GNULIB_MDA_EXECLE]) |
| GNULIB_MDA_EXECLP=1; AC_SUBST([GNULIB_MDA_EXECLP]) |
| GNULIB_MDA_EXECV=1; AC_SUBST([GNULIB_MDA_EXECV]) |
| GNULIB_MDA_EXECVE=1; AC_SUBST([GNULIB_MDA_EXECVE]) |
| GNULIB_MDA_EXECVP=1; AC_SUBST([GNULIB_MDA_EXECVP]) |
| GNULIB_MDA_EXECVPE=1; AC_SUBST([GNULIB_MDA_EXECVPE]) |
| GNULIB_MDA_GETCWD=1; AC_SUBST([GNULIB_MDA_GETCWD]) |
| GNULIB_MDA_GETPID=1; AC_SUBST([GNULIB_MDA_GETPID]) |
| GNULIB_MDA_ISATTY=1; AC_SUBST([GNULIB_MDA_ISATTY]) |
| GNULIB_MDA_LSEEK=1; AC_SUBST([GNULIB_MDA_LSEEK]) |
| GNULIB_MDA_READ=1; AC_SUBST([GNULIB_MDA_READ]) |
| GNULIB_MDA_RMDIR=1; AC_SUBST([GNULIB_MDA_RMDIR]) |
| GNULIB_MDA_SWAB=1; AC_SUBST([GNULIB_MDA_SWAB]) |
| GNULIB_MDA_UNLINK=1; AC_SUBST([GNULIB_MDA_UNLINK]) |
| GNULIB_MDA_WRITE=1; AC_SUBST([GNULIB_MDA_WRITE]) |
| dnl Assume proper GNU behavior unless another module says otherwise. |
| HAVE_CHOWN=1; AC_SUBST([HAVE_CHOWN]) |
| HAVE_COPY_FILE_RANGE=1; AC_SUBST([HAVE_COPY_FILE_RANGE]) |
| HAVE_DUP3=1; AC_SUBST([HAVE_DUP3]) |
| HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS]) |
| HAVE_EXECVPE=1; AC_SUBST([HAVE_EXECVPE]) |
| HAVE_FACCESSAT=1; AC_SUBST([HAVE_FACCESSAT]) |
| HAVE_FCHDIR=1; AC_SUBST([HAVE_FCHDIR]) |
| HAVE_FCHOWNAT=1; AC_SUBST([HAVE_FCHOWNAT]) |
| HAVE_FDATASYNC=1; AC_SUBST([HAVE_FDATASYNC]) |
| HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC]) |
| HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE]) |
| HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE]) |
| HAVE_GETENTROPY=1; AC_SUBST([HAVE_GETENTROPY]) |
| HAVE_GETGROUPS=1; AC_SUBST([HAVE_GETGROUPS]) |
| HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME]) |
| HAVE_GETLOGIN=1; AC_SUBST([HAVE_GETLOGIN]) |
| HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE]) |
| HAVE_GETPASS=1; AC_SUBST([HAVE_GETPASS]) |
| HAVE_GROUP_MEMBER=1; AC_SUBST([HAVE_GROUP_MEMBER]) |
| HAVE_LCHOWN=1; AC_SUBST([HAVE_LCHOWN]) |
| HAVE_LINK=1; AC_SUBST([HAVE_LINK]) |
| HAVE_LINKAT=1; AC_SUBST([HAVE_LINKAT]) |
| HAVE_PIPE=1; AC_SUBST([HAVE_PIPE]) |
| HAVE_PIPE2=1; AC_SUBST([HAVE_PIPE2]) |
| HAVE_PREAD=1; AC_SUBST([HAVE_PREAD]) |
| HAVE_PWRITE=1; AC_SUBST([HAVE_PWRITE]) |
| HAVE_READLINK=1; AC_SUBST([HAVE_READLINK]) |
| HAVE_READLINKAT=1; AC_SUBST([HAVE_READLINKAT]) |
| HAVE_SETHOSTNAME=1; AC_SUBST([HAVE_SETHOSTNAME]) |
| HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP]) |
| HAVE_SYMLINK=1; AC_SUBST([HAVE_SYMLINK]) |
| HAVE_SYMLINKAT=1; AC_SUBST([HAVE_SYMLINKAT]) |
| HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT]) |
| HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP]) |
| HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON]) |
| HAVE_DECL_EXECVPE=1; AC_SUBST([HAVE_DECL_EXECVPE]) |
| HAVE_DECL_FCHDIR=1; AC_SUBST([HAVE_DECL_FCHDIR]) |
| HAVE_DECL_FDATASYNC=1; AC_SUBST([HAVE_DECL_FDATASYNC]) |
| HAVE_DECL_GETDOMAINNAME=1; AC_SUBST([HAVE_DECL_GETDOMAINNAME]) |
| HAVE_DECL_GETLOGIN=1; AC_SUBST([HAVE_DECL_GETLOGIN]) |
| HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R]) |
| HAVE_DECL_GETPAGESIZE=1; AC_SUBST([HAVE_DECL_GETPAGESIZE]) |
| HAVE_DECL_GETUSERSHELL=1; AC_SUBST([HAVE_DECL_GETUSERSHELL]) |
| HAVE_DECL_SETHOSTNAME=1; AC_SUBST([HAVE_DECL_SETHOSTNAME]) |
| HAVE_DECL_TRUNCATE=1; AC_SUBST([HAVE_DECL_TRUNCATE]) |
| HAVE_DECL_TTYNAME_R=1; AC_SUBST([HAVE_DECL_TTYNAME_R]) |
| HAVE_OS_H=0; AC_SUBST([HAVE_OS_H]) |
| HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H]) |
| REPLACE_ACCESS=0; AC_SUBST([REPLACE_ACCESS]) |
| REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN]) |
| REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE]) |
| REPLACE_DUP=0; AC_SUBST([REPLACE_DUP]) |
| REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2]) |
| REPLACE_EXECL=0; AC_SUBST([REPLACE_EXECL]) |
| REPLACE_EXECLE=0; AC_SUBST([REPLACE_EXECLE]) |
| REPLACE_EXECLP=0; AC_SUBST([REPLACE_EXECLP]) |
| REPLACE_EXECV=0; AC_SUBST([REPLACE_EXECV]) |
| REPLACE_EXECVE=0; AC_SUBST([REPLACE_EXECVE]) |
| REPLACE_EXECVP=0; AC_SUBST([REPLACE_EXECVP]) |
| REPLACE_EXECVPE=0; AC_SUBST([REPLACE_EXECVPE]) |
| REPLACE_FACCESSAT=0; AC_SUBST([REPLACE_FACCESSAT]) |
| REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT]) |
| REPLACE_FTRUNCATE=0; AC_SUBST([REPLACE_FTRUNCATE]) |
| REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD]) |
| REPLACE_GETDOMAINNAME=0; AC_SUBST([REPLACE_GETDOMAINNAME]) |
| REPLACE_GETDTABLESIZE=0; AC_SUBST([REPLACE_GETDTABLESIZE]) |
| REPLACE_GETLOGIN_R=0; AC_SUBST([REPLACE_GETLOGIN_R]) |
| REPLACE_GETGROUPS=0; AC_SUBST([REPLACE_GETGROUPS]) |
| REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE]) |
| REPLACE_GETPASS=0; AC_SUBST([REPLACE_GETPASS]) |
| REPLACE_ISATTY=0; AC_SUBST([REPLACE_ISATTY]) |
| REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN]) |
| REPLACE_LINK=0; AC_SUBST([REPLACE_LINK]) |
| REPLACE_LINKAT=0; AC_SUBST([REPLACE_LINKAT]) |
| REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK]) |
| REPLACE_PREAD=0; AC_SUBST([REPLACE_PREAD]) |
| REPLACE_PWRITE=0; AC_SUBST([REPLACE_PWRITE]) |
| REPLACE_READ=0; AC_SUBST([REPLACE_READ]) |
| REPLACE_READLINK=0; AC_SUBST([REPLACE_READLINK]) |
| REPLACE_READLINKAT=0; AC_SUBST([REPLACE_READLINKAT]) |
| REPLACE_RMDIR=0; AC_SUBST([REPLACE_RMDIR]) |
| REPLACE_SLEEP=0; AC_SUBST([REPLACE_SLEEP]) |
| REPLACE_SYMLINK=0; AC_SUBST([REPLACE_SYMLINK]) |
| REPLACE_SYMLINKAT=0; AC_SUBST([REPLACE_SYMLINKAT]) |
| REPLACE_TRUNCATE=0; AC_SUBST([REPLACE_TRUNCATE]) |
| REPLACE_TTYNAME_R=0; AC_SUBST([REPLACE_TTYNAME_R]) |
| REPLACE_UNLINK=0; AC_SUBST([REPLACE_UNLINK]) |
| REPLACE_UNLINKAT=0; AC_SUBST([REPLACE_UNLINKAT]) |
| REPLACE_USLEEP=0; AC_SUBST([REPLACE_USLEEP]) |
| REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE]) |
| UNISTD_H_HAVE_SYS_RANDOM_H=0; AC_SUBST([UNISTD_H_HAVE_SYS_RANDOM_H]) |
| UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H]) |
| UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0; |
| AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS]) |
| ]) |
