unistd_h.m4 revision 1.1.1.1
1 # unistd_h.m4 serial 80 2 dnl Copyright (C) 2006-2020 Free Software Foundation, Inc. 3 dnl This file is free software; the Free Software Foundation 4 dnl gives unlimited permission to copy and/or distribute it, 5 dnl with or without modifications, as long as this notice is preserved. 6 7 dnl Written by Simon Josefsson, Bruno Haible. 8 9 AC_DEFUN([gl_UNISTD_H], 10 [ 11 dnl Use AC_REQUIRE here, so that the default behavior below is expanded 12 dnl once only, before all statements that occur in other macros. 13 AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) 14 15 gl_CHECK_NEXT_HEADERS([unistd.h]) 16 if test $ac_cv_header_unistd_h = yes; then 17 HAVE_UNISTD_H=1 18 else 19 HAVE_UNISTD_H=0 20 fi 21 AC_SUBST([HAVE_UNISTD_H]) 22 23 dnl Ensure the type pid_t gets defined. 24 AC_REQUIRE([AC_TYPE_PID_T]) 25 26 dnl Determine WINDOWS_64_BIT_OFF_T. 27 AC_REQUIRE([gl_TYPE_OFF_T]) 28 29 dnl Check for declarations of anything we want to poison if the 30 dnl corresponding gnulib module is not in use. 31 gl_WARN_ON_USE_PREPARE([[ 32 #if HAVE_UNISTD_H 33 # include <unistd.h> 34 #endif 35 /* Some systems declare various items in the wrong headers. */ 36 #if !(defined __GLIBC__ && !defined __UCLIBC__) 37 # include <fcntl.h> 38 # include <stdio.h> 39 # include <stdlib.h> 40 # if defined _WIN32 && ! defined __CYGWIN__ 41 # include <io.h> 42 # endif 43 #endif 44 ]], [access chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir 45 fchownat fdatasync fsync ftruncate getcwd getdomainname getdtablesize 46 getentropy getgroups gethostname getlogin getlogin_r getpagesize getpass 47 getusershell setusershell endusershell 48 group_member isatty lchown link linkat lseek pipe pipe2 pread pwrite 49 readlink readlinkat rmdir sethostname sleep symlink symlinkat 50 truncate ttyname_r unlink unlinkat usleep]) 51 52 AC_REQUIRE([AC_C_RESTRICT]) 53 ]) 54 55 AC_DEFUN([gl_UNISTD_MODULE_INDICATOR], 56 [ 57 dnl Use AC_REQUIRE here, so that the default settings are expanded once only. 58 AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) 59 gl_MODULE_INDICATOR_SET_VARIABLE([$1]) 60 dnl Define it also as a C macro, for the benefit of the unit tests. 61 gl_MODULE_INDICATOR_FOR_TESTS([$1]) 62 ]) 63 64 AC_DEFUN([gl_UNISTD_H_DEFAULTS], 65 [ 66 GNULIB_ACCESS=0; AC_SUBST([GNULIB_ACCESS]) 67 GNULIB_CHDIR=0; AC_SUBST([GNULIB_CHDIR]) 68 GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN]) 69 GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE]) 70 GNULIB_COPY_FILE_RANGE=0; AC_SUBST([GNULIB_COPY_FILE_RANGE]) 71 GNULIB_DUP=0; AC_SUBST([GNULIB_DUP]) 72 GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2]) 73 GNULIB_DUP3=0; AC_SUBST([GNULIB_DUP3]) 74 GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON]) 75 GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS]) 76 GNULIB_FACCESSAT=0; AC_SUBST([GNULIB_FACCESSAT]) 77 GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR]) 78 GNULIB_FCHOWNAT=0; AC_SUBST([GNULIB_FCHOWNAT]) 79 GNULIB_FDATASYNC=0; AC_SUBST([GNULIB_FDATASYNC]) 80 GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC]) 81 GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE]) 82 GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD]) 83 GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME]) 84 GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE]) 85 GNULIB_GETENTROPY=0; AC_SUBST([GNULIB_GETENTROPY]) 86 GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS]) 87 GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME]) 88 GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN]) 89 GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R]) 90 GNULIB_GETOPT_POSIX=0; AC_SUBST([GNULIB_GETOPT_POSIX]) 91 GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE]) 92 GNULIB_GETPASS=0; AC_SUBST([GNULIB_GETPASS]) 93 GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL]) 94 GNULIB_GROUP_MEMBER=0; AC_SUBST([GNULIB_GROUP_MEMBER]) 95 GNULIB_ISATTY=0; AC_SUBST([GNULIB_ISATTY]) 96 GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN]) 97 GNULIB_LINK=0; AC_SUBST([GNULIB_LINK]) 98 GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT]) 99 GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK]) 100 GNULIB_PIPE=0; AC_SUBST([GNULIB_PIPE]) 101 GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2]) 102 GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD]) 103 GNULIB_PWRITE=0; AC_SUBST([GNULIB_PWRITE]) 104 GNULIB_READ=0; AC_SUBST([GNULIB_READ]) 105 GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK]) 106 GNULIB_READLINKAT=0; AC_SUBST([GNULIB_READLINKAT]) 107 GNULIB_RMDIR=0; AC_SUBST([GNULIB_RMDIR]) 108 GNULIB_SETHOSTNAME=0; AC_SUBST([GNULIB_SETHOSTNAME]) 109 GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP]) 110 GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK]) 111 GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT]) 112 GNULIB_TRUNCATE=0; AC_SUBST([GNULIB_TRUNCATE]) 113 GNULIB_TTYNAME_R=0; AC_SUBST([GNULIB_TTYNAME_R]) 114 GNULIB_UNISTD_H_NONBLOCKING=0; AC_SUBST([GNULIB_UNISTD_H_NONBLOCKING]) 115 GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE]) 116 GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK]) 117 GNULIB_UNLINKAT=0; AC_SUBST([GNULIB_UNLINKAT]) 118 GNULIB_USLEEP=0; AC_SUBST([GNULIB_USLEEP]) 119 GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE]) 120 dnl Assume proper GNU behavior unless another module says otherwise. 121 HAVE_CHOWN=1; AC_SUBST([HAVE_CHOWN]) 122 HAVE_COPY_FILE_RANGE=1; AC_SUBST([HAVE_COPY_FILE_RANGE]) 123 HAVE_DUP2=1; AC_SUBST([HAVE_DUP2]) 124 HAVE_DUP3=1; AC_SUBST([HAVE_DUP3]) 125 HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS]) 126 HAVE_FACCESSAT=1; AC_SUBST([HAVE_FACCESSAT]) 127 HAVE_FCHDIR=1; AC_SUBST([HAVE_FCHDIR]) 128 HAVE_FCHOWNAT=1; AC_SUBST([HAVE_FCHOWNAT]) 129 HAVE_FDATASYNC=1; AC_SUBST([HAVE_FDATASYNC]) 130 HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC]) 131 HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE]) 132 HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE]) 133 HAVE_GETENTROPY=1; AC_SUBST([HAVE_GETENTROPY]) 134 HAVE_GETGROUPS=1; AC_SUBST([HAVE_GETGROUPS]) 135 HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME]) 136 HAVE_GETLOGIN=1; AC_SUBST([HAVE_GETLOGIN]) 137 HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE]) 138 HAVE_GETPASS=1; AC_SUBST([HAVE_GETPASS]) 139 HAVE_GROUP_MEMBER=1; AC_SUBST([HAVE_GROUP_MEMBER]) 140 HAVE_LCHOWN=1; AC_SUBST([HAVE_LCHOWN]) 141 HAVE_LINK=1; AC_SUBST([HAVE_LINK]) 142 HAVE_LINKAT=1; AC_SUBST([HAVE_LINKAT]) 143 HAVE_PIPE=1; AC_SUBST([HAVE_PIPE]) 144 HAVE_PIPE2=1; AC_SUBST([HAVE_PIPE2]) 145 HAVE_PREAD=1; AC_SUBST([HAVE_PREAD]) 146 HAVE_PWRITE=1; AC_SUBST([HAVE_PWRITE]) 147 HAVE_READLINK=1; AC_SUBST([HAVE_READLINK]) 148 HAVE_READLINKAT=1; AC_SUBST([HAVE_READLINKAT]) 149 HAVE_SETHOSTNAME=1; AC_SUBST([HAVE_SETHOSTNAME]) 150 HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP]) 151 HAVE_SYMLINK=1; AC_SUBST([HAVE_SYMLINK]) 152 HAVE_SYMLINKAT=1; AC_SUBST([HAVE_SYMLINKAT]) 153 HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT]) 154 HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP]) 155 HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON]) 156 HAVE_DECL_FCHDIR=1; AC_SUBST([HAVE_DECL_FCHDIR]) 157 HAVE_DECL_FDATASYNC=1; AC_SUBST([HAVE_DECL_FDATASYNC]) 158 HAVE_DECL_GETDOMAINNAME=1; AC_SUBST([HAVE_DECL_GETDOMAINNAME]) 159 HAVE_DECL_GETLOGIN=1; AC_SUBST([HAVE_DECL_GETLOGIN]) 160 HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R]) 161 HAVE_DECL_GETPAGESIZE=1; AC_SUBST([HAVE_DECL_GETPAGESIZE]) 162 HAVE_DECL_GETUSERSHELL=1; AC_SUBST([HAVE_DECL_GETUSERSHELL]) 163 HAVE_DECL_SETHOSTNAME=1; AC_SUBST([HAVE_DECL_SETHOSTNAME]) 164 HAVE_DECL_TRUNCATE=1; AC_SUBST([HAVE_DECL_TRUNCATE]) 165 HAVE_DECL_TTYNAME_R=1; AC_SUBST([HAVE_DECL_TTYNAME_R]) 166 HAVE_OS_H=0; AC_SUBST([HAVE_OS_H]) 167 HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H]) 168 REPLACE_ACCESS=0; AC_SUBST([REPLACE_ACCESS]) 169 REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN]) 170 REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE]) 171 REPLACE_DUP=0; AC_SUBST([REPLACE_DUP]) 172 REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2]) 173 REPLACE_FACCESSAT=0; AC_SUBST([REPLACE_FACCESSAT]) 174 REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT]) 175 REPLACE_FTRUNCATE=0; AC_SUBST([REPLACE_FTRUNCATE]) 176 REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD]) 177 REPLACE_GETDOMAINNAME=0; AC_SUBST([REPLACE_GETDOMAINNAME]) 178 REPLACE_GETDTABLESIZE=0; AC_SUBST([REPLACE_GETDTABLESIZE]) 179 REPLACE_GETLOGIN_R=0; AC_SUBST([REPLACE_GETLOGIN_R]) 180 REPLACE_GETGROUPS=0; AC_SUBST([REPLACE_GETGROUPS]) 181 REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE]) 182 REPLACE_GETPASS=0; AC_SUBST([REPLACE_GETPASS]) 183 REPLACE_ISATTY=0; AC_SUBST([REPLACE_ISATTY]) 184 REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN]) 185 REPLACE_LINK=0; AC_SUBST([REPLACE_LINK]) 186 REPLACE_LINKAT=0; AC_SUBST([REPLACE_LINKAT]) 187 REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK]) 188 REPLACE_PREAD=0; AC_SUBST([REPLACE_PREAD]) 189 REPLACE_PWRITE=0; AC_SUBST([REPLACE_PWRITE]) 190 REPLACE_READ=0; AC_SUBST([REPLACE_READ]) 191 REPLACE_READLINK=0; AC_SUBST([REPLACE_READLINK]) 192 REPLACE_READLINKAT=0; AC_SUBST([REPLACE_READLINKAT]) 193 REPLACE_RMDIR=0; AC_SUBST([REPLACE_RMDIR]) 194 REPLACE_SLEEP=0; AC_SUBST([REPLACE_SLEEP]) 195 REPLACE_SYMLINK=0; AC_SUBST([REPLACE_SYMLINK]) 196 REPLACE_SYMLINKAT=0; AC_SUBST([REPLACE_SYMLINKAT]) 197 REPLACE_TRUNCATE=0; AC_SUBST([REPLACE_TRUNCATE]) 198 REPLACE_TTYNAME_R=0; AC_SUBST([REPLACE_TTYNAME_R]) 199 REPLACE_UNLINK=0; AC_SUBST([REPLACE_UNLINK]) 200 REPLACE_UNLINKAT=0; AC_SUBST([REPLACE_UNLINKAT]) 201 REPLACE_USLEEP=0; AC_SUBST([REPLACE_USLEEP]) 202 REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE]) 203 UNISTD_H_HAVE_SYS_RANDOM_H=0; AC_SUBST([UNISTD_H_HAVE_SYS_RANDOM_H]) 204 UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H]) 205 UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0; 206 AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS]) 207 ]) 208
Indexes created Sat Apr 25 00:22:52 UTC 2026