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annotate m4/obstack-printf-posix.m4 @ 10206:927afe014a7d

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Fix various problems in 'obstack-printf' module.
author Bruno Haible <bruno@clisp.org>
date Sat, 14 Jun 2008 15:06:19 +0200
parents 3384541effec
children 3da3203f4774
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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927afe014a7d Fix various problems in 'obstack-printf' module.
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1 # obstack-printf-posix.m4 serial 2
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2 dnl Copyright (C) 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_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_POSITIONS])
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20 AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
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21 AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
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22 AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
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23 AC_REQUIRE([gl_PRINTF_PRECISION])
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24 AC_REQUIRE([gl_PRINTF_ENOMEM])
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25 gl_cv_func_obstack_printf_posix=no
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26 AC_CHECK_FUNCS_ONCE([obstack_printf])
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27 if test $ac_cv_func_obstack_printf = yes ; then
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28 case "$gl_cv_func_printf_sizes_c99" in
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29 *yes)
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30 case "$gl_cv_func_printf_long_double" in
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31 *yes)
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32 case "$gl_cv_func_printf_infinite" in
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33 *yes)
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34 case "$gl_cv_func_printf_infinite_long_double" in
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35 *yes)
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36 case "$gl_cv_func_printf_directive_a" in
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37 *yes)
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38 case "$gl_cv_func_printf_directive_f" in
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39 *yes)
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40 case "$gl_cv_func_printf_directive_n" in
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41 *yes)
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42 case "$gl_cv_func_printf_positions" in
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43 *yes)
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44 case "$gl_cv_func_printf_flag_grouping" in
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45 *yes)
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46 case "$gl_cv_func_printf_flag_leftadjust" in
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47 *yes)
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48 case "$gl_cv_func_printf_flag_zero" in
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49 *yes)
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50 case "$gl_cv_func_printf_precision" in
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51 *yes)
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52 case "$gl_cv_func_printf_enomem" in
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53 *yes)
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54 # obstack_printf exists and is
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55 # already POSIX compliant.
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56 gl_cv_func_obstack_printf_posix= yes
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57 ;;
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58 esac
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59 ;;
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60 esac
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61 ;;
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62 esac
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63 ;;
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64 esac
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65 ;;
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66 esac
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67 ;;
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68 esac
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69 ;;
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70 esac
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71 ;;
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72 esac
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73 ;;
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74 esac
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75 ;;
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76 esac
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77 ;;
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78 esac
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79 ;;
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80 esac
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81 ;;
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82 esac
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83 fi
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84 if test $gl_cv_func_obstack_printf_posix = no; then
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85 gl_PREREQ_VASNPRINTF_LONG_DOUBLE
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86 gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
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87 gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
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88 gl_PREREQ_VASNPRINTF_DIRECTIVE_A
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89 gl_PREREQ_VASNPRINTF_DIRECTIVE_F
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90 gl_PREREQ_VASNPRINTF_FLAG_GROUPING
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91 gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
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92 gl_PREREQ_VASNPRINTF_FLAG_ZERO
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93 gl_PREREQ_VASNPRINTF_PRECISION
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94 gl_PREREQ_VASNPRINTF_ENOMEM
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95 gl_REPLACE_VASNPRINTF
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96 gl_REPLACE_OBSTACK_PRINTF
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97 fi
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98 ])