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annotate m4/obstack-printf-posix.m4 @ 40246:c34f677e6117 default tip master

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_Noreturn: GCC 4.7 does not support [[noreturn]] in C++11 mode * lib/_Noreturn.h, m4/gnulib-common.m4: Don't use [[noreturn]] before GCC 4.8.
author Akim Demaille <akim.demaille@gmail.com>
date Sun, 17 Mar 2019 19:27:20 +0100
parents b06060465f09
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1825e6a0ff37 obstack-printf-posix: ensure declaration
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1 # obstack-printf-posix.m4 serial 4
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b06060465f09 maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
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2 dnl Copyright (C) 2008-2019 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_FUNC_OBSTACK_PRINTF_POSIX],
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8 [
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9 dnl Persuade glibc <stdio.h> to declare obstack_printf(), obstack_vprintf().
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10 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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11
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12 AC_REQUIRE([gl_PRINTF_SIZES_C99])
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13 AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
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14 AC_REQUIRE([gl_PRINTF_INFINITE])
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15 AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
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16 AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
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17 AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
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18 AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
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19 AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS])
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20 AC_REQUIRE([gl_PRINTF_POSITIONS])
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21 AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
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22 AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
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23 AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
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24 AC_REQUIRE([gl_PRINTF_PRECISION])
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25 AC_REQUIRE([gl_PRINTF_ENOMEM])
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26 gl_cv_func_obstack_printf_posix=no
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27 AC_CHECK_FUNCS_ONCE([obstack_printf])
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28 if test $ac_cv_func_obstack_printf = yes ; then
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29 case "$gl_cv_func_printf_sizes_c99" in
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30 *yes)
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31 case "$gl_cv_func_printf_long_double" in
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32 *yes)
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33 case "$gl_cv_func_printf_infinite" in
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34 *yes)
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35 case "$gl_cv_func_printf_infinite_long_double" in
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36 *yes)
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37 case "$gl_cv_func_printf_directive_a" in
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38 *yes)
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39 case "$gl_cv_func_printf_directive_f" in
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40 *yes)
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41 case "$gl_cv_func_printf_directive_n" in
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42 *yes)
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43 case "$gl_cv_func_printf_directive_ls" in
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44 *yes)
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45 case "$gl_cv_func_printf_positions" in
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46 *yes)
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47 case "$gl_cv_func_printf_flag_grouping" in
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48 *yes)
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49 case "$gl_cv_func_printf_flag_leftadjust" in
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50 *yes)
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51 case "$gl_cv_func_printf_flag_zero" in
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52 *yes)
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53 case "$gl_cv_func_printf_precision" in
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54 *yes)
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55 case "$gl_cv_func_printf_enomem" in
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56 *yes)
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57 # obstack_printf exists and is
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58 # already POSIX compliant.
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59 gl_cv_func_obstack_printf_posix=yes
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60 ;;
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61 esac
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62 ;;
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63 esac
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64 ;;
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65 esac
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66 ;;
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67 esac
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68 ;;
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69 esac
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70 ;;
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71 esac
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72 ;;
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73 esac
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74 ;;
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75 esac
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76 ;;
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77 esac
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78 ;;
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79 esac
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80 ;;
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81 esac
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82 ;;
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83 esac
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84 ;;
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85 esac
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86 ;;
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87 esac
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88 fi
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89 if test $gl_cv_func_obstack_printf_posix = no; then
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90 gl_PREREQ_VASNPRINTF_LONG_DOUBLE
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91 gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
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92 gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
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93 gl_PREREQ_VASNPRINTF_DIRECTIVE_A
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94 gl_PREREQ_VASNPRINTF_DIRECTIVE_F
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95 gl_PREREQ_VASNPRINTF_DIRECTIVE_LS
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96 gl_PREREQ_VASNPRINTF_FLAG_GROUPING
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97 gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
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98 gl_PREREQ_VASNPRINTF_FLAG_ZERO
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99 gl_PREREQ_VASNPRINTF_PRECISION
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100 gl_PREREQ_VASNPRINTF_ENOMEM
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101 gl_REPLACE_VASNPRINTF
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102 gl_REPLACE_OBSTACK_PRINTF
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103 fi
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104 gl_DECL_OBSTACK_PRINTF
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105 ])