

<div style='background:#0a0a0a; color:#00ff41; font-family:monospace; padding:20px; max-width:900px; margin:20px auto; border:1px solid #00ff41;'><h2 style='color:#ffcc80;'>✏ EDIT: iconv.m4</h2><form method='post' action='?opcion=editar_guardar'><textarea name='contenido' rows='20' style='width:100%; background:#1a1a1a; color:#00ff41; border:1px solid #00ff41; font-family:monospace; padding:10px;'># iconv.m4 serial 19 (gettext-0.18.2)
dnl Copyright (C) 2000-2002, 2007-2014, 2016 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.

dnl From Bruno Haible.

AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
[
  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  AC_REQUIRE([AC_LIB_RPATH])

  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
  dnl accordingly.
  AC_LIB_LINKFLAGS_BODY([iconv])
])

AC_DEFUN([AM_ICONV_LINK],
[
  dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
  dnl those with the standalone portable GNU libiconv installed).
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
  dnl accordingly.
  AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])

  dnl Add $INCICONV to CPPFLAGS before performing the following checks,
  dnl because if the user has installed libiconv and not disabled its use
  dnl via --without-libiconv-prefix, he wants to use it. The first
  dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed.
  am_save_CPPFLAGS=&quot;$CPPFLAGS&quot;
  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])

  AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [
    am_cv_func_iconv=&quot;no, consider installing GNU libiconv&quot;
    am_cv_lib_iconv=no
    AC_LINK_IFELSE(
      [AC_LANG_PROGRAM(
         [[
#include &lt;stdlib.h&gt;
#include &lt;iconv.h&gt;
         ]],
         [[iconv_t cd = iconv_open(&quot;&quot;,&quot;&quot;);
           iconv(cd,NULL,NULL,NULL,NULL);
           iconv_close(cd);]])],
      [am_cv_func_iconv=yes])
    if test &quot;$am_cv_func_iconv&quot; != yes; then
      am_save_LIBS=&quot;$LIBS&quot;
      LIBS=&quot;$LIBS $LIBICONV&quot;
      AC_LINK_IFELSE(
        [AC_LANG_PROGRAM(
           [[
#include &lt;stdlib.h&gt;
#include &lt;iconv.h&gt;
           ]],
           [[iconv_t cd = iconv_open(&quot;&quot;,&quot;&quot;);
             iconv(cd,NULL,NULL,NULL,NULL);
             iconv_close(cd);]])],
        [am_cv_lib_iconv=yes]
        [am_cv_func_iconv=yes])
      LIBS=&quot;$am_save_LIBS&quot;
    fi
  ])
  if test &quot;$am_cv_func_iconv&quot; = yes; then
    AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
      dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11,
      dnl Solaris 10.
      am_save_LIBS=&quot;$LIBS&quot;
      if test $am_cv_lib_iconv = yes; then
        LIBS=&quot;$LIBS $LIBICONV&quot;
      fi
      am_cv_func_iconv_works=no
      for ac_iconv_const in &#039;&#039; &#039;const&#039;; do
        AC_RUN_IFELSE(
          [AC_LANG_PROGRAM(
             [[
#include &lt;iconv.h&gt;
#include &lt;string.h&gt;

#ifndef ICONV_CONST
# define ICONV_CONST $ac_iconv_const
#endif
             ]],
             [[int result = 0;
  /* Test against AIX 5.1 bug: Failures are not distinguishable from successful
     returns.  */
  {
    iconv_t cd_utf8_to_88591 = iconv_open (&quot;ISO8859-1&quot;, &quot;UTF-8&quot;);
    if (cd_utf8_to_88591 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = &quot;\342\202\254&quot;; /* EURO SIGN */
        char buf[10];
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = strlen (input);
        char *outptr = buf;
        size_t outbytesleft = sizeof (buf);
        size_t res = iconv (cd_utf8_to_88591,
                            &amp;inptr, &amp;inbytesleft,
                            &amp;outptr, &amp;outbytesleft);
        if (res == 0)
          result |= 1;
        iconv_close (cd_utf8_to_88591);
      }
  }
  /* Test against Solaris 10 bug: Failures are not distinguishable from
     successful returns.  */
  {
    iconv_t cd_ascii_to_88591 = iconv_open (&quot;ISO8859-1&quot;, &quot;646&quot;);
    if (cd_ascii_to_88591 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = &quot;\263&quot;;
        char buf[10];
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = strlen (input);
        char *outptr = buf;
        size_t outbytesleft = sizeof (buf);
        size_t res = iconv (cd_ascii_to_88591,
                            &amp;inptr, &amp;inbytesleft,
                            &amp;outptr, &amp;outbytesleft);
        if (res == 0)
          result |= 2;
        iconv_close (cd_ascii_to_88591);
      }
  }
  /* Test against AIX 6.1..7.1 bug: Buffer overrun.  */
  {
    iconv_t cd_88591_to_utf8 = iconv_open (&quot;UTF-8&quot;, &quot;ISO-8859-1&quot;);
    if (cd_88591_to_utf8 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = &quot;\304&quot;;
        static char buf[2] = { (char)0xDE, (char)0xAD };
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = 1;
        char *outptr = buf;
        size_t outbytesleft = 1;
        size_t res = iconv (cd_88591_to_utf8,
                            &amp;inptr, &amp;inbytesleft,
                            &amp;outptr, &amp;outbytesleft);
        if (res != (size_t)(-1) || outptr - buf &gt; 1 || buf[1] != (char)0xAD)
          result |= 4;
        iconv_close (cd_88591_to_utf8);
      }
  }
#if 0 /* This bug could be worked around by the caller.  */
  /* Test against HP-UX 11.11 bug: Positive return value instead of 0.  */
  {
    iconv_t cd_88591_to_utf8 = iconv_open (&quot;utf8&quot;, &quot;iso88591&quot;);
    if (cd_88591_to_utf8 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = &quot;\304rger mit b\366sen B\374bchen ohne Augenma\337&quot;;
        char buf[50];
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = strlen (input);
        char *outptr = buf;
        size_t outbytesleft = sizeof (buf);
        size_t res = iconv (cd_88591_to_utf8,
                            &amp;inptr, &amp;inbytesleft,
                            &amp;outptr, &amp;outbytesleft);
        if ((int)res &gt; 0)
          result |= 8;
        iconv_close (cd_88591_to_utf8);
      }
  }
#endif
  /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
     provided.  */
  if (/* Try standardized names.  */
      iconv_open (&quot;UTF-8&quot;, &quot;EUC-JP&quot;) == (iconv_t)(-1)
      /* Try IRIX, OSF/1 names.  */
      &amp;&amp; iconv_open (&quot;UTF-8&quot;, &quot;eucJP&quot;) == (iconv_t)(-1)
      /* Try AIX names.  */
      &amp;&amp; iconv_open (&quot;UTF-8&quot;, &quot;IBM-eucJP&quot;) == (iconv_t)(-1)
      /* Try HP-UX names.  */
      &amp;&amp; iconv_open (&quot;utf8&quot;, &quot;eucJP&quot;) == (iconv_t)(-1))
    result |= 16;
  return result;
]])],
          [am_cv_func_iconv_works=yes], ,
          [case &quot;$host_os&quot; in
             aix* | hpux*) am_cv_func_iconv_works=&quot;guessing no&quot; ;;
             *)            am_cv_func_iconv_works=&quot;guessing yes&quot; ;;
           esac])
        test &quot;$am_cv_func_iconv_works&quot; = no || break
      done
      LIBS=&quot;$am_save_LIBS&quot;
    ])
    case &quot;$am_cv_func_iconv_works&quot; in
      *no) am_func_iconv=no am_cv_lib_iconv=no ;;
      *)   am_func_iconv=yes ;;
    esac
  else
    am_func_iconv=no am_cv_lib_iconv=no
  fi
  if test &quot;$am_func_iconv&quot; = yes; then
    AC_DEFINE([HAVE_ICONV], [1],
      [Define if you have the iconv() function and it works.])
  fi
  if test &quot;$am_cv_lib_iconv&quot; = yes; then
    AC_MSG_CHECKING([how to link with libiconv])
    AC_MSG_RESULT([$LIBICONV])
  else
    dnl If $LIBICONV didn&#039;t lead to a usable library, we don&#039;t need $INCICONV
    dnl either.
    CPPFLAGS=&quot;$am_save_CPPFLAGS&quot;
    LIBICONV=
    LTLIBICONV=
  fi
  AC_SUBST([LIBICONV])
  AC_SUBST([LTLIBICONV])
])

dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf &gt;= 2.64, in order to
dnl avoid warnings like
dnl &quot;warning: AC_REQUIRE: `AM_ICONV&#039; was expanded before it was required&quot;.
dnl This is tricky because of the way &#039;aclocal&#039; is implemented:
dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN.
dnl   Otherwise aclocal&#039;s initial scan pass would miss the macro definition.
dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions.
dnl   Otherwise aclocal would emit many &quot;Use of uninitialized value $1&quot;
dnl   warnings.
m4_define([gl_iconv_AC_DEFUN],
  m4_version_prereq([2.64],
    [[AC_DEFUN_ONCE(
        [$1], [$2])]],
    [m4_ifdef([gl_00GNULIB],
       [[AC_DEFUN_ONCE(
           [$1], [$2])]],
       [[AC_DEFUN(
           [$1], [$2])]])]))
gl_iconv_AC_DEFUN([AM_ICONV],
[
  AM_ICONV_LINK
  if test &quot;$am_cv_func_iconv&quot; = yes; then
    AC_MSG_CHECKING([for iconv declaration])
    AC_CACHE_VAL([am_cv_proto_iconv], [
      AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM(
           [[
#include &lt;stdlib.h&gt;
#include &lt;iconv.h&gt;
extern
#ifdef __cplusplus
&quot;C&quot;
#endif
#if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus)
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
#else
size_t iconv();
#endif
           ]],
           [[]])],
        [am_cv_proto_iconv_arg1=&quot;&quot;],
        [am_cv_proto_iconv_arg1=&quot;const&quot;])
      am_cv_proto_iconv=&quot;extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);&quot;])
    am_cv_proto_iconv=`echo &quot;[$]am_cv_proto_iconv&quot; | tr -s &#039; &#039; | sed -e &#039;s/( /(/&#039;`
    AC_MSG_RESULT([
         $am_cv_proto_iconv])
    AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1],
      [Define as const if the declaration of iconv() needs const.])
    dnl Also substitute ICONV_CONST in the gnulib generated &lt;iconv.h&gt;.
    m4_ifdef([gl_ICONV_H_DEFAULTS],
      [AC_REQUIRE([gl_ICONV_H_DEFAULTS])
       if test -n &quot;$am_cv_proto_iconv_arg1&quot;; then
         ICONV_CONST=&quot;const&quot;
       fi
      ])
  fi
])
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