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1 # stdio_h.m4 serial 14
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2 dnl Copyright (C) 2007-2008 Free Software Foundation, Inc.
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3 dnl This file is free software; the Free Software Foundation
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4 dnl gives unlimited permission to copy and/or distribute it,
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5 dnl with or without modifications, as long as this notice is preserved.
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6
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7 AC_DEFUN([gl_STDIO_H],
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8 [
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9 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
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10 gl_CHECK_NEXT_HEADERS([stdio.h])
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11 dnl No need to create extra modules for these functions. Everyone who uses
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12 dnl <stdio.h> likely needs them.
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13 GNULIB_FPRINTF=1
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14 GNULIB_PRINTF=1
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15 GNULIB_VFPRINTF=1
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16 GNULIB_VPRINTF=1
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17 GNULIB_FPUTC=1
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18 GNULIB_PUTC=1
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19 GNULIB_PUTCHAR=1
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20 GNULIB_FPUTS=1
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21 GNULIB_PUTS=1
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22 GNULIB_FWRITE=1
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23 dnl This ifdef is just an optimization, to avoid performing a configure
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24 dnl check whose result is not used. It does not make the test of
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25 dnl GNULIB_STDIO_H_SIGPIPE or GNULIB_SIGPIPE redundant.
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26 m4_ifdef([gl_SIGNAL_SIGPIPE], [
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27 gl_SIGNAL_SIGPIPE
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28 if test $gl_cv_header_signal_h_SIGPIPE != yes; then
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29 REPLACE_STDIO_WRITE_FUNCS=1
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30 AC_LIBOBJ([stdio-write])
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31 fi
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32 ])
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33 ])
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34
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35 AC_DEFUN([gl_STDIO_MODULE_INDICATOR],
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36 [
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37 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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38 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
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39 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
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40 ])
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41
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42 AC_DEFUN([gl_STDIO_H_DEFAULTS],
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43 [
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44 GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF])
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45 GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX])
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46 GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF])
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47 GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX])
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48 GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF])
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49 GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX])
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50 GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF])
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51 GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX])
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52 GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF])
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53 GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX])
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54 GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF])
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55 GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX])
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56 GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF])
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57 GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF])
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58 GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
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59 GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN])
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60 GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN])
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61 GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK])
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62 GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO])
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63 GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL])
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64 GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO])
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65 GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH])
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66 GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE])
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67 GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC])
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68 GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC])
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69 GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR])
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70 GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS])
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71 GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS])
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72 GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE])
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73 GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM])
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74 GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE])
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75 GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR])
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76 GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE])
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77 dnl Assume proper GNU behavior unless another module says otherwise.
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78 REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])
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79 REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF])
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80 REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF])
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81 REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF])
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82 REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF])
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83 REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF])
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84 HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF])
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85 REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF])
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86 HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF])
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87 REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF])
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88 REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF])
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89 HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF])
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90 REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF])
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91 HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])
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92 REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF])
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93 REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN])
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94 REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN])
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95 HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO])
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96 REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO])
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97 REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK])
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98 HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO])
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99 REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO])
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100 REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL])
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101 REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH])
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102 REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE])
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103 HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM])
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104 HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE])
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105 REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE])
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106 REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR])
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107 ])
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108
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109 dnl Code shared by fseeko and ftello. Determine if large files are supported,
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110 dnl but stdin does not start as a large file by default.
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111 AC_DEFUN([gl_STDIN_LARGE_OFFSET],
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112 [
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113 AC_CACHE_CHECK([whether stdin defaults to large file offsets],
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114 [gl_cv_var_stdin_large_offset],
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115 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]],
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116 [[#if defined __SL64 && defined __SCLE /* cygwin */
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117 /* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making
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118 fseeko/ftello needlessly fail. This bug was fixed in 1.5.25, and
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119 it is easier to do a version check than building a runtime test. */
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120 # include <cygwin/version.h>
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121 # if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25)
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122 choke me
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123 # endif
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124 #endif]])],
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125 [gl_cv_var_stdin_large_offset=yes],
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126 [gl_cv_var_stdin_large_offset=no])])
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127 ])
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