| 1 | # backupfile.m4 serial 1
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| 2 | dnl Copyright (C) 2002 Free Software Foundation, Inc.
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| 3 | dnl This file is free software, distributed under the terms of the GNU
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| 4 | dnl General Public License. As a special exception to the GNU General
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| 5 | dnl Public License, this file may be distributed as part of a program
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| 6 | dnl that contains a configuration script generated by Autoconf, under
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| 7 | dnl the same distribution terms as the rest of that program.
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| 8 |
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| 9 | AC_DEFUN([gl_BACKUPFILE],
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| 10 | [
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| 11 | dnl Prerequisites of lib/backupfile.c.
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| 12 | AC_REQUIRE([AC_HEADER_DIRENT])
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| 13 | AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID])
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| 14 | AC_CHECK_HEADERS_ONCE(limits.h stdlib.h string.h)
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| 15 | AC_CHECK_DECLS_ONCE(getenv malloc)
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| 16 | jm_CHECK_TYPE_STRUCT_DIRENT_D_INO
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| 17 |
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| 18 | dnl Prerequisites of lib/addext.c.
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| 19 | AC_REQUIRE([jm_AC_DOS])
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| 20 | AC_SYS_LONG_FILE_NAMES
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| 21 | AC_CHECK_HEADERS_ONCE(limits.h string.h unistd.h)
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| 22 | AC_CHECK_FUNCS(pathconf)
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| 23 | ])
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| 24 | #serial 5
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| 25 |
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| 26 | dnl From Jim Meyering.
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| 27 | dnl
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| 28 | dnl Check whether struct dirent has a member named d_ino.
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| 29 | dnl
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| 30 |
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| 31 | AC_DEFUN([jm_CHECK_TYPE_STRUCT_DIRENT_D_INO],
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| 32 | [AC_REQUIRE([AC_HEADER_DIRENT])dnl
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| 33 | AC_CACHE_CHECK([for d_ino member in directory struct],
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| 34 | jm_cv_struct_dirent_d_ino,
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| 35 | [AC_TRY_LINK(dnl
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| 36 | [
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| 37 | #include <sys/types.h>
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| 38 | #ifdef HAVE_DIRENT_H
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| 39 | # include <dirent.h>
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| 40 | #else /* not HAVE_DIRENT_H */
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| 41 | # define dirent direct
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| 42 | # ifdef HAVE_SYS_NDIR_H
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| 43 | # include <sys/ndir.h>
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| 44 | # endif /* HAVE_SYS_NDIR_H */
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| 45 | # ifdef HAVE_SYS_DIR_H
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| 46 | # include <sys/dir.h>
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| 47 | # endif /* HAVE_SYS_DIR_H */
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| 48 | # ifdef HAVE_NDIR_H
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| 49 | # include <ndir.h>
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| 50 | # endif /* HAVE_NDIR_H */
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| 51 | #endif /* HAVE_DIRENT_H */
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| 52 | ],
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| 53 | [struct dirent dp; dp.d_ino = 0;],
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| 54 |
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| 55 | jm_cv_struct_dirent_d_ino=yes,
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| 56 | jm_cv_struct_dirent_d_ino=no)
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| 57 | ]
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| 58 | )
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| 59 | if test $jm_cv_struct_dirent_d_ino = yes; then
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| 60 | AC_DEFINE(D_INO_IN_DIRENT, 1,
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| 61 | [Define if there is a member named d_ino in the struct describing
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| 62 | directory headers.])
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| 63 | fi
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| 64 | ]
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| 65 | )
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| 66 | # dirname.m4 serial 1
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| 67 | dnl Copyright (C) 2002 Free Software Foundation, Inc.
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| 68 | dnl This file is free software, distributed under the terms of the GNU
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| 69 | dnl General Public License. As a special exception to the GNU General
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| 70 | dnl Public License, this file may be distributed as part of a program
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| 71 | dnl that contains a configuration script generated by Autoconf, under
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| 72 | dnl the same distribution terms as the rest of that program.
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| 73 |
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| 74 | AC_DEFUN([gl_DIRNAME],
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| 75 | [
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| 76 | dnl Prerequisites of lib/dirname.h.
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| 77 | AC_REQUIRE([jm_AC_DOS])
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| 78 |
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| 79 | dnl Prerequisites of lib/dirname.c.
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| 80 | AC_REQUIRE([AC_HEADER_STDC])
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| 81 | AC_CHECK_HEADERS_ONCE(string.h)
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| 82 |
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| 83 | dnl Prerequisites of lib/basename.c.
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| 84 | AC_REQUIRE([AC_HEADER_STDC])
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| 85 | AC_CHECK_HEADERS_ONCE(string.h)
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| 86 |
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| 87 | dnl Prerequisites of lib/stripslash.c.
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| 88 | AC_REQUIRE([AC_HEADER_STDC])
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| 89 | AC_CHECK_HEADERS_ONCE(string.h)
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| 90 | ])
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| 91 | #serial 5
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| 92 |
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| 93 | # Define some macros required for proper operation of code in lib/*.c
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| 94 | # on MSDOS/Windows systems.
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| 95 |
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| 96 | # From Jim Meyering.
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| 97 |
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| 98 | AC_DEFUN([jm_AC_DOS],
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| 99 | [
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| 100 | AC_CACHE_CHECK([whether system is Windows or MSDOS], [ac_cv_win_or_dos],
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| 101 | [
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| 102 | AC_TRY_COMPILE([],
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| 103 | [#if !defined _WIN32 && !defined __WIN32__ && !defined __MSDOS__
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| 104 | neither MSDOS nor Windows
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| 105 | #endif],
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| 106 | [ac_cv_win_or_dos=yes],
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| 107 | [ac_cv_win_or_dos=no])
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| 108 | ])
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| 109 |
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| 110 | if test x"$ac_cv_win_or_dos" = xyes; then
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| 111 | ac_fs_accepts_drive_letter_prefix=1
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| 112 | ac_fs_backslash_is_file_name_separator=1
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| 113 | else
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| 114 | ac_fs_accepts_drive_letter_prefix=0
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| 115 | ac_fs_backslash_is_file_name_separator=0
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| 116 | fi
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| 117 |
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| 118 | AH_VERBATIM(FILESYSTEM_PREFIX_LEN,
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| 119 | [#if FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX
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| 120 | # define FILESYSTEM_PREFIX_LEN(Filename) \
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| 121 | ((Filename)[0] && (Filename)[1] == ':' ? 2 : 0)
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| 122 | #else
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| 123 | # define FILESYSTEM_PREFIX_LEN(Filename) 0
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| 124 | #endif])
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| 125 |
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| 126 | AC_DEFINE_UNQUOTED([FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX],
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| 127 | $ac_fs_accepts_drive_letter_prefix,
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| 128 | [Define on systems for which file names may have a so-called
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| 129 | `drive letter' prefix, define this to compute the length of that
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| 130 | prefix, including the colon.])
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| 131 |
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| 132 | AH_VERBATIM(ISSLASH,
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| 133 | [#if FILESYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR
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| 134 | # define ISSLASH(C) ((C) == '/' || (C) == '\\')
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| 135 | #else
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| 136 | # define ISSLASH(C) ((C) == '/')
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| 137 | #endif])
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| 138 |
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| 139 | AC_DEFINE_UNQUOTED([FILESYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR],
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| 140 | $ac_fs_backslash_is_file_name_separator,
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| 141 | [Define if the backslash character may also serve as a file name
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| 142 | component separator.])
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| 143 | ])
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| 144 | #serial 7
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| 145 |
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| 146 | AC_DEFUN([gl_ERROR],
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| 147 | [
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| 148 | AC_FUNC_ERROR_AT_LINE
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| 149 | dnl Note: AC_FUNC_ERROR_AT_LINE does AC_LIBSOURCES([error.h, error.c]).
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| 150 | jm_PREREQ_ERROR
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| 151 | ])
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| 152 |
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| 153 | # Prerequisites of lib/error.c.
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| 154 | AC_DEFUN([jm_PREREQ_ERROR],
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| 155 | [
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| 156 | AC_REQUIRE([AC_HEADER_STDC])
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| 157 | AC_REQUIRE([AC_FUNC_VPRINTF])
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| 158 | AC_CHECK_FUNCS(strerror)
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| 159 | AC_CHECK_DECLS([strerror])
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| 160 | AC_FUNC_STRERROR_R
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| 161 | ])
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| 162 | # getopt.m4 serial 1
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| 163 | dnl Copyright (C) 2002 Free Software Foundation, Inc.
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| 164 | dnl This file is free software, distributed under the terms of the GNU
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| 165 | dnl General Public License. As a special exception to the GNU General
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| 166 | dnl Public License, this file may be distributed as part of a program
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| 167 | dnl that contains a configuration script generated by Autoconf, under
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| 168 | dnl the same distribution terms as the rest of that program.
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| 169 |
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| 170 | AC_DEFUN([gl_GETOPT],
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| 171 | [
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| 172 | dnl Prerequisites of lib/getopt.c.
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| 173 | AC_CHECK_HEADERS_ONCE(string.h)
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| 174 | ])
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| 175 | # malloc.m4 serial 7
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| 176 | dnl Copyright (C) 2002 Free Software Foundation, Inc.
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| 177 | dnl This file is free software, distributed under the terms of the GNU
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| 178 | dnl General Public License. As a special exception to the GNU General
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| 179 | dnl Public License, this file may be distributed as part of a program
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| 180 | dnl that contains a configuration script generated by Autoconf, under
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| 181 | dnl the same distribution terms as the rest of that program.
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| 182 |
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| 183 | dnl From Jim Meyering.
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| 184 | dnl Determine whether malloc accepts 0 as its argument.
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| 185 | dnl If it doesn't, arrange to use the replacement function.
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| 186 |
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| 187 | AC_DEFUN([jm_FUNC_MALLOC],
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| 188 | [
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| 189 | AC_REQUIRE([AC_FUNC_MALLOC])
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| 190 | dnl autoconf < 2.57 used the symbol ac_cv_func_malloc_works.
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| 191 | if test X"$ac_cv_func_malloc_0_nonnull" = Xno || test X"$ac_cv_func_malloc_works" = Xno; then
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| 192 | gl_PREREQ_MALLOC
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| 193 | fi
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| 194 | ])
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| 195 |
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| 196 | # Prerequisites of lib/malloc.c.
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| 197 | AC_DEFUN([gl_PREREQ_MALLOC], [
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| 198 | :
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| 199 | ])
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| 200 | # mbrtowc.m4 serial 5
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| 201 | dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
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| 202 | dnl This file is free software, distributed under the terms of the GNU
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| 203 | dnl General Public License. As a special exception to the GNU General
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| 204 | dnl Public License, this file may be distributed as part of a program
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| 205 | dnl that contains a configuration script generated by Autoconf, under
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| 206 | dnl the same distribution terms as the rest of that program.
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| 207 |
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| 208 | dnl From Paul Eggert
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| 209 |
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| 210 | dnl This file can be removed, and jm_FUNC_MBRTOWC replaced with
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| 211 | dnl AC_FUNC_MBRTOWC, when autoconf 2.57 can be assumed everywhere.
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| 212 |
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| 213 | AC_DEFUN([jm_FUNC_MBRTOWC],
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| 214 | [
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| 215 | AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
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| 216 | jm_cv_func_mbrtowc,
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| 217 | [AC_TRY_LINK(
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| 218 | [#include <wchar.h>],
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| 219 | [mbstate_t state; return ! (sizeof state && mbrtowc);],
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| 220 | jm_cv_func_mbrtowc=yes,
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| 221 | jm_cv_func_mbrtowc=no)])
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| 222 | if test $jm_cv_func_mbrtowc = yes; then
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| 223 | AC_DEFINE(HAVE_MBRTOWC, 1,
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| 224 | [Define to 1 if mbrtowc and mbstate_t are properly declared.])
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| 225 | fi
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| 226 | ])
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| 227 | # mbstate_t.m4 serial 9
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| 228 | dnl Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
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| 229 | dnl This file is free software, distributed under the terms of the GNU
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| 230 | dnl General Public License. As a special exception to the GNU General
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| 231 | dnl Public License, this file may be distributed as part of a program
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| 232 | dnl that contains a configuration script generated by Autoconf, under
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| 233 | dnl the same distribution terms as the rest of that program.
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| 234 |
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| 235 | # From Paul Eggert.
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| 236 |
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| 237 | # BeOS 5 has <wchar.h> but does not define mbstate_t,
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| 238 | # so you can't declare an object of that type.
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| 239 | # Check for this incompatibility with Standard C.
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| 240 |
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| 241 | # AC_TYPE_MBSTATE_T
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| 242 | # -----------------
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| 243 | AC_DEFUN([AC_TYPE_MBSTATE_T],
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| 244 | [AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
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| 245 | [AC_COMPILE_IFELSE(
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| 246 | [AC_LANG_PROGRAM(
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| 247 | [AC_INCLUDES_DEFAULT
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| 248 | # include <wchar.h>],
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| 249 | [mbstate_t x; return sizeof x;])],
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| 250 | [ac_cv_type_mbstate_t=yes],
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| 251 | [ac_cv_type_mbstate_t=no])])
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| 252 | if test $ac_cv_type_mbstate_t = yes; then
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| 253 | AC_DEFINE([HAVE_MBSTATE_T], 1,
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| 254 | [Define to 1 if <wchar.h> declares mbstate_t.])
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| 255 | else
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| 256 | AC_DEFINE([mbstate_t], int,
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| 257 | [Define to a type if <wchar.h> does not define.])
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| 258 | fi])
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| 259 | # memchr.m4 serial 1
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| 260 | dnl Copyright (C) 2002 Free Software Foundation, Inc.
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| 261 | dnl This file is free software, distributed under the terms of the GNU
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| 262 | dnl General Public License. As a special exception to the GNU General
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| 263 | dnl Public License, this file may be distributed as part of a program
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| 264 | dnl that contains a configuration script generated by Autoconf, under
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| 265 | dnl the same distribution terms as the rest of that program.
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| 266 |
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| 267 | AC_DEFUN([gl_FUNC_MEMCHR],
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| 268 | [
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| 269 | AC_REPLACE_FUNCS(memchr)
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| 270 | if test $ac_cv_func_memchr = no; then
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| 271 | jm_PREREQ_MEMCHR
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| 272 | fi
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| 273 | ])
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| 274 |
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| 275 | # Prerequisites of lib/memchr.c.
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| 276 | AC_DEFUN([jm_PREREQ_MEMCHR], [
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| 277 | AC_CHECK_HEADERS_ONCE(limits.h stdlib.h)
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| 278 | AC_CHECK_HEADERS(bp-sym.h)
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| 279 | ])
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| 280 | #serial 1
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| 281 |
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| 282 | dnl From Mumit Khan and Paul Eggert
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| 283 | dnl Determine whether mkdir accepts only one argument instead of the usual two.
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| 284 |
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| 285 | AC_DEFUN([PATCH_FUNC_MKDIR_TAKES_ONE_ARG],
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| 286 | [AC_CHECK_FUNCS(mkdir)
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| 287 | AC_CACHE_CHECK([whether mkdir takes only one argument],
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| 288 | patch_cv_mkdir_takes_one_arg,
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| 289 | [patch_cv_mkdir_takes_one_arg=no
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| 290 | if test $ac_cv_func_mkdir = yes; then
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| 291 | AC_TRY_COMPILE([
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| 292 | #include <sys/types.h>
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| 293 | #include <sys/stat.h>
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| 294 | ],
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| 295 | [mkdir (".", 0);],
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| 296 | ,
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| 297 | [AC_TRY_COMPILE([
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| 298 | #include <sys/types.h>
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| 299 | #include <sys/stat.h>
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| 300 | ],
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| 301 | [mkdir (".");],
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| 302 | patch_cv_mkdir_takes_one_arg=yes
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| 303 | )]
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| 304 | )
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| 305 | fi
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| 306 | ]
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| 307 | )
|
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| 308 | if test $patch_cv_mkdir_takes_one_arg = yes; then
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| 309 | AC_DEFINE([MKDIR_TAKES_ONE_ARG], 1,
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| 310 | [Define if mkdir takes only one argument.])
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| 311 | fi
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| 312 | ]
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| 313 | )
|
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| 314 | # onceonly.m4 serial 3
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| 315 | dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
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| 316 | dnl This file is free software, distributed under the terms of the GNU
|
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| 317 | dnl General Public License. As a special exception to the GNU General
|
|---|
| 318 | dnl Public License, this file may be distributed as part of a program
|
|---|
| 319 | dnl that contains a configuration script generated by Autoconf, under
|
|---|
| 320 | dnl the same distribution terms as the rest of that program.
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|---|
| 321 |
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|---|
| 322 | dnl This file defines some "once only" variants of standard autoconf macros.
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|---|
| 323 | dnl AC_CHECK_HEADERS_ONCE like AC_CHECK_HEADERS
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| 324 | dnl AC_CHECK_FUNCS_ONCE like AC_CHECK_FUNCS
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| 325 | dnl AC_CHECK_DECLS_ONCE like AC_CHECK_DECLS
|
|---|
| 326 | dnl AC_REQUIRE([AC_HEADER_STDC]) like AC_HEADER_STDC
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|---|
| 327 | dnl The advantage is that the check for each of the headers/functions/decls
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|---|
| 328 | dnl will be put only once into the 'configure' file. It keeps the size of
|
|---|
| 329 | dnl the 'configure' file down, and avoids redundant output when 'configure'
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|---|
| 330 | dnl is run.
|
|---|
| 331 | dnl The drawback is that the checks cannot be conditionalized. If you write
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|---|
| 332 | dnl if some_condition; then gl_CHECK_HEADERS(stdlib.h); fi
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|---|
| 333 | dnl inside an AC_DEFUNed function, the gl_CHECK_HEADERS macro call expands to
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|---|
| 334 | dnl empty, and the check will be inserted before the body of the AC_DEFUNed
|
|---|
| 335 | dnl function.
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|---|
| 336 |
|
|---|
| 337 | dnl Autoconf version 2.57 or newer is recommended.
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|---|
| 338 | AC_PREREQ(2.54)
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|---|
| 339 |
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|---|
| 340 | # AC_CHECK_HEADERS_ONCE(HEADER1 HEADER2 ...) is a once-only variant of
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| 341 | # AC_CHECK_HEADERS(HEADER1 HEADER2 ...).
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|---|
| 342 | AC_DEFUN([AC_CHECK_HEADERS_ONCE], [
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|---|
| 343 | :
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|---|
| 344 | AC_FOREACH([gl_HEADER_NAME], [$1], [
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|---|
| 345 | AC_DEFUN([gl_CHECK_HEADER_]m4_quote(translit(m4_defn([gl_HEADER_NAME]),
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|---|
| 346 | [-./], [___])), [
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|---|
| 347 | AC_CHECK_HEADERS(gl_HEADER_NAME)
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|---|
| 348 | ])
|
|---|
| 349 | AC_REQUIRE([gl_CHECK_HEADER_]m4_quote(translit(gl_HEADER_NAME,
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|---|
| 350 | [-./], [___])))
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|---|
| 351 | ])
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|---|
| 352 | ])
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| 353 |
|
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| 354 | # AC_CHECK_FUNCS_ONCE(FUNC1 FUNC2 ...) is a once-only variant of
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|---|
| 355 | # AC_CHECK_FUNCS(FUNC1 FUNC2 ...).
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|---|
| 356 | AC_DEFUN([AC_CHECK_FUNCS_ONCE], [
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|---|
| 357 | :
|
|---|
| 358 | AC_FOREACH([gl_FUNC_NAME], [$1], [
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|---|
| 359 | AC_DEFUN([gl_CHECK_FUNC_]m4_defn([gl_FUNC_NAME]), [
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|---|
| 360 | AC_CHECK_FUNCS(m4_defn([gl_FUNC_NAME]))
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|---|
| 361 | ])
|
|---|
| 362 | AC_REQUIRE([gl_CHECK_FUNC_]m4_defn([gl_FUNC_NAME]))
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|---|
| 363 | ])
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|---|
| 364 | ])
|
|---|
| 365 |
|
|---|
| 366 | # AC_CHECK_DECLS_ONCE(DECL1 DECL2 ...) is a once-only variant of
|
|---|
| 367 | # AC_CHECK_DECLS(DECL1, DECL2, ...).
|
|---|
| 368 | AC_DEFUN([AC_CHECK_DECLS_ONCE], [
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|---|
| 369 | :
|
|---|
| 370 | AC_FOREACH([gl_DECL_NAME], [$1], [
|
|---|
| 371 | AC_DEFUN([gl_CHECK_DECL_]m4_defn([gl_DECL_NAME]), [
|
|---|
| 372 | AC_CHECK_DECLS(m4_defn([gl_DECL_NAME]))
|
|---|
| 373 | ])
|
|---|
| 374 | AC_REQUIRE([gl_CHECK_DECL_]m4_defn([gl_DECL_NAME]))
|
|---|
| 375 | ])
|
|---|
| 376 | ])
|
|---|
| 377 | # quote.m4 serial 1
|
|---|
| 378 | dnl Copyright (C) 2002 Free Software Foundation, Inc.
|
|---|
| 379 | dnl This file is free software, distributed under the terms of the GNU
|
|---|
| 380 | dnl General Public License. As a special exception to the GNU General
|
|---|
| 381 | dnl Public License, this file may be distributed as part of a program
|
|---|
| 382 | dnl that contains a configuration script generated by Autoconf, under
|
|---|
| 383 | dnl the same distribution terms as the rest of that program.
|
|---|
| 384 |
|
|---|
| 385 | AC_DEFUN([gl_QUOTE],
|
|---|
| 386 | [
|
|---|
| 387 | dnl Prerequisites of lib/quote.c.
|
|---|
| 388 | AC_CHECK_HEADERS_ONCE(stddef.h)
|
|---|
| 389 | ])
|
|---|
| 390 | # quotearg.m4 serial 1
|
|---|
| 391 | dnl Copyright (C) 2002 Free Software Foundation, Inc.
|
|---|
| 392 | dnl This file is free software, distributed under the terms of the GNU
|
|---|
| 393 | dnl General Public License. As a special exception to the GNU General
|
|---|
| 394 | dnl Public License, this file may be distributed as part of a program
|
|---|
| 395 | dnl that contains a configuration script generated by Autoconf, under
|
|---|
| 396 | dnl the same distribution terms as the rest of that program.
|
|---|
| 397 |
|
|---|
| 398 | AC_DEFUN([gl_QUOTEARG],
|
|---|
| 399 | [
|
|---|
| 400 | dnl Prerequisites of lib/quotearg.c.
|
|---|
| 401 | AC_CHECK_HEADERS_ONCE(wchar.h wctype.h)
|
|---|
| 402 | AC_CHECK_FUNCS_ONCE(iswprint mbsinit)
|
|---|
| 403 | AC_TYPE_MBSTATE_T
|
|---|
| 404 | jm_FUNC_MBRTOWC
|
|---|
| 405 | ])
|
|---|
| 406 | # realloc.m4 serial 7
|
|---|
| 407 | dnl Copyright (C) 2002 Free Software Foundation, Inc.
|
|---|
| 408 | dnl This file is free software, distributed under the terms of the GNU
|
|---|
| 409 | dnl General Public License. As a special exception to the GNU General
|
|---|
| 410 | dnl Public License, this file may be distributed as part of a program
|
|---|
| 411 | dnl that contains a configuration script generated by Autoconf, under
|
|---|
| 412 | dnl the same distribution terms as the rest of that program.
|
|---|
| 413 |
|
|---|
| 414 | dnl From Jim Meyering.
|
|---|
| 415 | dnl Determine whether realloc works when both arguments are 0.
|
|---|
| 416 | dnl If it doesn't, arrange to use the replacement function.
|
|---|
| 417 |
|
|---|
| 418 | AC_DEFUN([jm_FUNC_REALLOC],
|
|---|
| 419 | [
|
|---|
| 420 | AC_REQUIRE([AC_FUNC_REALLOC])
|
|---|
| 421 | dnl autoconf < 2.57 used the symbol ac_cv_func_realloc_works.
|
|---|
| 422 | if test X"$ac_cv_func_realloc_0_nonnull" = Xno || test X"$ac_cv_func_realloc_works" = Xno; then
|
|---|
| 423 | gl_PREREQ_REALLOC
|
|---|
| 424 | fi
|
|---|
| 425 | ])
|
|---|
| 426 |
|
|---|
| 427 | # Prerequisites of lib/realloc.c.
|
|---|
| 428 | AC_DEFUN([gl_PREREQ_REALLOC], [
|
|---|
| 429 | :
|
|---|
| 430 | ])
|
|---|
| 431 | # rmdir.m4 serial 1
|
|---|
| 432 | dnl Copyright (C) 2002 Free Software Foundation, Inc.
|
|---|
| 433 | dnl This file is free software, distributed under the terms of the GNU
|
|---|
| 434 | dnl General Public License. As a special exception to the GNU General
|
|---|
| 435 | dnl Public License, this file may be distributed as part of a program
|
|---|
| 436 | dnl that contains a configuration script generated by Autoconf, under
|
|---|
| 437 | dnl the same distribution terms as the rest of that program.
|
|---|
| 438 |
|
|---|
| 439 | AC_DEFUN([gl_FUNC_RMDIR],
|
|---|
| 440 | [
|
|---|
| 441 | AC_REPLACE_FUNCS(rmdir)
|
|---|
| 442 | if test $ac_cv_func_rmdir = no; then
|
|---|
| 443 | gl_PREREQ_RMDIR
|
|---|
| 444 | fi
|
|---|
| 445 | ])
|
|---|
| 446 |
|
|---|
| 447 | # Prerequisites of lib/rmdir.c.
|
|---|
| 448 | AC_DEFUN([gl_PREREQ_RMDIR], [
|
|---|
| 449 | AC_REQUIRE([AC_HEADER_STAT])
|
|---|
| 450 | :
|
|---|
| 451 | ])
|
|---|
| 452 |
|
|---|
| 453 | # Check for setmode, DOS style.
|
|---|
| 454 |
|
|---|
| 455 | # Copyright (C) 2001, 2002 Free Software Foundation, Inc.
|
|---|
| 456 |
|
|---|
| 457 | # This program is free software; you can redistribute it and/or modify
|
|---|
| 458 | # it under the terms of the GNU General Public License as published by
|
|---|
| 459 | # the Free Software Foundation; either version 2, or (at your option)
|
|---|
| 460 | # any later version.
|
|---|
| 461 |
|
|---|
| 462 | # This program is distributed in the hope that it will be useful,
|
|---|
| 463 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 464 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 465 | # GNU General Public License for more details.
|
|---|
| 466 |
|
|---|
| 467 | # You should have received a copy of the GNU General Public License
|
|---|
| 468 | # along with this program; if not, write to the Free Software
|
|---|
| 469 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
|---|
| 470 | # 02111-1307, USA.
|
|---|
| 471 |
|
|---|
| 472 | AC_DEFUN([AC_FUNC_SETMODE_DOS],
|
|---|
| 473 | [AC_CHECK_HEADERS(fcntl.h unistd.h)
|
|---|
| 474 | AC_CACHE_CHECK([for DOS-style setmode],
|
|---|
| 475 | [ac_cv_func_setmode_dos],
|
|---|
| 476 | [AC_TRY_LINK(
|
|---|
| 477 | [#include <io.h>
|
|---|
| 478 | #if HAVE_FCNTL_H
|
|---|
| 479 | # include <fcntl.h>
|
|---|
| 480 | #endif
|
|---|
| 481 | #if HAVE_UNISTD_H
|
|---|
| 482 | # include <unistd.h>
|
|---|
| 483 | #endif],
|
|---|
| 484 | [int ret = setmode && setmode (1, O_BINARY);],
|
|---|
| 485 | [ac_cv_func_setmode_dos=yes],
|
|---|
| 486 | [ac_cv_func_setmode_dos=no])])
|
|---|
| 487 | if test $ac_cv_func_setmode_dos = yes; then
|
|---|
| 488 | AC_DEFINE(HAVE_SETMODE_DOS, 1,
|
|---|
| 489 | [Define to 1 if you have the DOS-style `setmode' function.])
|
|---|
| 490 | fi])
|
|---|
| 491 | # Check for stdbool.h that conforms to C99.
|
|---|
| 492 |
|
|---|
| 493 | # Copyright (C) 2002-2003 Free Software Foundation, Inc.
|
|---|
| 494 |
|
|---|
| 495 | # This program is free software; you can redistribute it and/or modify
|
|---|
| 496 | # it under the terms of the GNU General Public License as published by
|
|---|
| 497 | # the Free Software Foundation; either version 2, or (at your option)
|
|---|
| 498 | # any later version.
|
|---|
| 499 |
|
|---|
| 500 | # This program is distributed in the hope that it will be useful,
|
|---|
| 501 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 502 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 503 | # GNU General Public License for more details.
|
|---|
| 504 |
|
|---|
| 505 | # You should have received a copy of the GNU General Public License
|
|---|
| 506 | # along with this program; if not, write to the Free Software
|
|---|
| 507 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
|---|
| 508 | # 02111-1307, USA.
|
|---|
| 509 |
|
|---|
| 510 | # Prepare for substituting <stdbool.h> if it is not supported.
|
|---|
| 511 |
|
|---|
| 512 | AC_DEFUN([AM_STDBOOL_H],
|
|---|
| 513 | [
|
|---|
| 514 | AC_REQUIRE([AC_HEADER_STDBOOL])
|
|---|
| 515 |
|
|---|
| 516 | # Define two additional variables used in the Makefile substitution.
|
|---|
| 517 |
|
|---|
| 518 | if test "$ac_cv_header_stdbool_h" = yes; then
|
|---|
| 519 | STDBOOL_H=''
|
|---|
| 520 | else
|
|---|
| 521 | STDBOOL_H='stdbool.h'
|
|---|
| 522 | fi
|
|---|
| 523 | AC_SUBST([STDBOOL_H])
|
|---|
| 524 |
|
|---|
| 525 | if test "$ac_cv_type__Bool" = yes; then
|
|---|
| 526 | HAVE__BOOL=1
|
|---|
| 527 | else
|
|---|
| 528 | HAVE__BOOL=0
|
|---|
| 529 | fi
|
|---|
| 530 | AC_SUBST([HAVE__BOOL])
|
|---|
| 531 | ])
|
|---|
| 532 |
|
|---|
| 533 | # This macro is only needed in autoconf <= 2.54. Newer versions of autoconf
|
|---|
| 534 | # have this macro built-in.
|
|---|
| 535 |
|
|---|
| 536 | AC_DEFUN([AC_HEADER_STDBOOL],
|
|---|
| 537 | [AC_CACHE_CHECK([for stdbool.h that conforms to C99],
|
|---|
| 538 | [ac_cv_header_stdbool_h],
|
|---|
| 539 | [AC_TRY_COMPILE(
|
|---|
| 540 | [
|
|---|
| 541 | #include <stdbool.h>
|
|---|
| 542 | #ifndef bool
|
|---|
| 543 | "error: bool is not defined"
|
|---|
| 544 | #endif
|
|---|
| 545 | #ifndef false
|
|---|
| 546 | "error: false is not defined"
|
|---|
| 547 | #endif
|
|---|
| 548 | #if false
|
|---|
| 549 | "error: false is not 0"
|
|---|
| 550 | #endif
|
|---|
| 551 | #ifndef true
|
|---|
| 552 | "error: false is not defined"
|
|---|
| 553 | #endif
|
|---|
| 554 | #if true != 1
|
|---|
| 555 | "error: true is not 1"
|
|---|
| 556 | #endif
|
|---|
| 557 | #ifndef __bool_true_false_are_defined
|
|---|
| 558 | "error: __bool_true_false_are_defined is not defined"
|
|---|
| 559 | #endif
|
|---|
| 560 |
|
|---|
| 561 | struct s { _Bool s: 1; _Bool t; } s;
|
|---|
| 562 |
|
|---|
| 563 | char a[true == 1 ? 1 : -1];
|
|---|
| 564 | char b[false == 0 ? 1 : -1];
|
|---|
| 565 | char c[__bool_true_false_are_defined == 1 ? 1 : -1];
|
|---|
| 566 | char d[(bool) -0.5 == true ? 1 : -1];
|
|---|
| 567 | bool e = &s;
|
|---|
| 568 | char f[(_Bool) -0.0 == false ? 1 : -1];
|
|---|
| 569 | char g[true];
|
|---|
| 570 | char h[sizeof (_Bool)];
|
|---|
| 571 | char i[sizeof s.t];
|
|---|
| 572 | ],
|
|---|
| 573 | [ return !a + !b + !c + !d + !e + !f + !g + !h + !i; ],
|
|---|
| 574 | [ac_cv_header_stdbool_h=yes],
|
|---|
| 575 | [ac_cv_header_stdbool_h=no])])
|
|---|
| 576 | AC_CHECK_TYPES([_Bool])
|
|---|
| 577 | if test $ac_cv_header_stdbool_h = yes; then
|
|---|
| 578 | AC_DEFINE(HAVE_STDBOOL_H, 1, [Define to 1 if stdbool.h conforms to C99.])
|
|---|
| 579 | fi])
|
|---|
| 580 | #serial 7 -*- autoconf -*-
|
|---|
| 581 |
|
|---|
| 582 | dnl From Jim Meyering.
|
|---|
| 583 | dnl
|
|---|
| 584 | dnl See if the glibc *_unlocked I/O macros or functions are available.
|
|---|
| 585 | dnl Use only those *_unlocked macros or functions that are declared
|
|---|
| 586 | dnl (because some of them were declared in Solaris 2.5.1 but were removed
|
|---|
| 587 | dnl in Solaris 2.6, whereas we want binaries built on Solaris 2.5.1 to run
|
|---|
| 588 | dnl on Solaris 2.6).
|
|---|
| 589 |
|
|---|
| 590 | AC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO],
|
|---|
| 591 | [
|
|---|
| 592 | dnl Persuade glibc <stdio.h> to declare fgets_unlocked(), fputs_unlocked()
|
|---|
| 593 | dnl etc.
|
|---|
| 594 | AC_REQUIRE([AC_GNU_SOURCE])
|
|---|
| 595 |
|
|---|
| 596 | AC_CHECK_DECLS_ONCE(
|
|---|
| 597 | [clearerr_unlocked feof_unlocked ferror_unlocked
|
|---|
| 598 | fflush_unlocked fgets_unlocked fputc_unlocked fputs_unlocked
|
|---|
| 599 | fread_unlocked fwrite_unlocked getc_unlocked
|
|---|
| 600 | getchar_unlocked putc_unlocked putchar_unlocked])
|
|---|
| 601 | ])
|
|---|
| 602 | #serial 5
|
|---|
| 603 |
|
|---|
| 604 | dnl From Jim Meyering
|
|---|
| 605 |
|
|---|
| 606 | dnl Define HAVE_STRUCT_UTIMBUF if `struct utimbuf' is declared --
|
|---|
| 607 | dnl usually in <utime.h>.
|
|---|
| 608 | dnl Some systems have utime.h but don't declare the struct anywhere.
|
|---|
| 609 |
|
|---|
| 610 | AC_DEFUN([jm_CHECK_TYPE_STRUCT_UTIMBUF],
|
|---|
| 611 | [
|
|---|
| 612 | AC_CHECK_HEADERS_ONCE(sys/time.h utime.h)
|
|---|
| 613 | AC_REQUIRE([AC_HEADER_TIME])
|
|---|
| 614 | AC_CACHE_CHECK([for struct utimbuf], fu_cv_sys_struct_utimbuf,
|
|---|
| 615 | [AC_TRY_COMPILE(
|
|---|
| 616 | [
|
|---|
| 617 | #ifdef TIME_WITH_SYS_TIME
|
|---|
| 618 | # include <sys/time.h>
|
|---|
| 619 | # include <time.h>
|
|---|
| 620 | #else
|
|---|
| 621 | # ifdef HAVE_SYS_TIME_H
|
|---|
| 622 | # include <sys/time.h>
|
|---|
| 623 | # else
|
|---|
| 624 | # include <time.h>
|
|---|
| 625 | # endif
|
|---|
| 626 | #endif
|
|---|
| 627 | #ifdef HAVE_UTIME_H
|
|---|
| 628 | # include <utime.h>
|
|---|
| 629 | #endif
|
|---|
| 630 | ],
|
|---|
| 631 | [static struct utimbuf x; x.actime = x.modtime;],
|
|---|
| 632 | fu_cv_sys_struct_utimbuf=yes,
|
|---|
| 633 | fu_cv_sys_struct_utimbuf=no)
|
|---|
| 634 | ])
|
|---|
| 635 |
|
|---|
| 636 | if test $fu_cv_sys_struct_utimbuf = yes; then
|
|---|
| 637 | AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1,
|
|---|
| 638 | [Define if struct utimbuf is declared -- usually in <utime.h>.
|
|---|
| 639 | Some systems have utime.h but don't declare the struct anywhere. ])
|
|---|
| 640 | fi
|
|---|
| 641 | ])
|
|---|
| 642 | # xalloc.m4 serial 1
|
|---|
| 643 | dnl Copyright (C) 2002 Free Software Foundation, Inc.
|
|---|
| 644 | dnl This file is free software, distributed under the terms of the GNU
|
|---|
| 645 | dnl General Public License. As a special exception to the GNU General
|
|---|
| 646 | dnl Public License, this file may be distributed as part of a program
|
|---|
| 647 | dnl that contains a configuration script generated by Autoconf, under
|
|---|
| 648 | dnl the same distribution terms as the rest of that program.
|
|---|
| 649 |
|
|---|
| 650 | AC_DEFUN([gl_XALLOC],
|
|---|
| 651 | [
|
|---|
| 652 | gl_PREREQ_XMALLOC
|
|---|
| 653 | gl_PREREQ_XSTRDUP
|
|---|
| 654 | ])
|
|---|
| 655 |
|
|---|
| 656 | # Prerequisites of lib/xmalloc.c.
|
|---|
| 657 | AC_DEFUN([gl_PREREQ_XMALLOC], [
|
|---|
| 658 | AC_REQUIRE([AC_HEADER_STDC])
|
|---|
| 659 | AC_REQUIRE([jm_FUNC_MALLOC])
|
|---|
| 660 | AC_REQUIRE([jm_FUNC_REALLOC])
|
|---|
| 661 | ])
|
|---|
| 662 |
|
|---|
| 663 | # Prerequisites of lib/xstrdup.c.
|
|---|
| 664 | AC_DEFUN([gl_PREREQ_XSTRDUP], [
|
|---|
| 665 | AC_REQUIRE([AC_HEADER_STDC])
|
|---|
| 666 | AC_CHECK_HEADERS_ONCE(string.h)
|
|---|
| 667 | ])
|
|---|
