kc3-lang/gnulib/m4/strfmon_l.m4

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• m4/strfmon_l.m4

• # strfmon_l.m4 serial 3
  dnl Copyright (C) 2017-2023 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
  dnl with or without modifications, as long as this notice is preserved.
  
  AC_DEFUN([gl_FUNC_STRFMON_L],
  [
    AC_REQUIRE([gl_MONETARY_H_DEFAULTS])
    AC_REQUIRE([gt_LOCALE_FR_UTF8])
  
    dnl Persuade glibc <monetary.h> to declare strfmon_l().
    AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
    dnl On Mac OS X 10.12, <monetary.h> may declare strfmon_l() if
    dnl _USE_EXTENDED_LOCALES_ is defined. But this symbol is supposed
    dnl to be defined by <xlocale.h>, not by us.
  
    AC_CHECK_FUNCS_ONCE([strfmon_l])
    if test $ac_cv_func_strfmon_l = yes; then
      dnl Test for bug <https://sourceware.org/bugzilla/show_bug.cgi?id=19633>
      dnl which was fixed in glibc-2.24.
      AC_CACHE_CHECK([whether strfmon_l works],
        [gl_cv_strfmon_l_works],
        [
         dnl Initial guess, used when cross-compiling or when no suitable locale
         dnl is present.
         case "$host_os" in
           # Guess no on glibc versions < 2.24.
           *-gnu* | gnu*)
             AC_EGREP_CPP([Unlucky],
               [
  #include <features.h>
  #ifdef __GNU_LIBRARY__
   #if (__GLIBC__ == 2 && __GLIBC_MINOR__ < 24)
    Unlucky GNU user
   #endif
  #endif
               ],
               [gl_cv_strfmon_l_works="guessing no"],
               [gl_cv_strfmon_l_works="guessing yes"])
             ;;
           # Guess no on FreeBSD and Cygwin.
           freebsd* | midnightbsd* | cygwin*) gl_cv_strfmon_l_works="guessing no" ;;
           # Guess yes otherwise.
           *) gl_cv_strfmon_l_works="guessing yes" ;;
         esac
         if test $LOCALE_FR_UTF8 != none; then
           AC_CHECK_HEADERS_ONCE([xlocale.h])
           AC_RUN_IFELSE(
             [AC_LANG_SOURCE([[
  #include <monetary.h>
  #include <locale.h>
  #if HAVE_XLOCALE_H
  # include <xlocale.h>
  #endif
  #include <string.h>
  int main ()
  {
    /* On older glibc systems:      expected_buf="$123.50" buf="$123,50"
       On FreeBSD 12.0, Cygwin 2.9: expected_buf="$123.50" buf="123,50 $"
     */
    if (setlocale (LC_ALL, "en_US.UTF-8") != NULL)
      {
        char expected_buf[80];
        if (strfmon (expected_buf, sizeof (expected_buf), "%.2n", 123.5) >= 0)
          if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
            {
              locale_t loc = newlocale (LC_ALL_MASK, "en_US.UTF-8", NULL);
              if (loc != (locale_t) 0)
                {
                  char buf[80];
                  if (strfmon_l (buf, sizeof (buf), loc, "%.2n", 123.5) >= 0)
                    return strcmp (buf, expected_buf) != 0;
                }
            }
      }
    return 0;
  }]])],
             [gl_cv_strfmon_l_works=yes],
             [gl_cv_strfmon_l_works=no],
             [:])
         fi
        ])
      if test "$gl_cv_strfmon_l_works" = no; then
        REPLACE_STRFMON_L=1
      fi
    else
      HAVE_STRFMON_L=0
    fi
  ])
  
  # Prerequisites of lib/strfmon_l.c.
  AC_DEFUN([gl_PREREQ_STRFMON_L], [
    :
  ])
  

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