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/js/lib/Socket.IO-node/support/expresso/deps/jscoverage/m4/iconv.m4

http://github.com/onedayitwillmake/RealtimeMultiplayerNodeJs
m4 | 180 lines | 158 code | 8 blank | 14 comment | 0 complexity | 54b7ef5e957ea5331a19790363d38f01 MD5 | raw file
  1# iconv.m4 serial AM6 (gettext-0.17)
  2dnl Copyright (C) 2000-2002, 2007 Free Software Foundation, Inc.
  3dnl This file is free software; the Free Software Foundation
  4dnl gives unlimited permission to copy and/or distribute it,
  5dnl with or without modifications, as long as this notice is preserved.
  6
  7dnl From Bruno Haible.
  8
  9AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
 10[
 11  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
 12  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
 13  AC_REQUIRE([AC_LIB_RPATH])
 14
 15  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
 16  dnl accordingly.
 17  AC_LIB_LINKFLAGS_BODY([iconv])
 18])
 19
 20AC_DEFUN([AM_ICONV_LINK],
 21[
 22  dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
 23  dnl those with the standalone portable GNU libiconv installed).
 24  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
 25
 26  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
 27  dnl accordingly.
 28  AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
 29
 30  dnl Add $INCICONV to CPPFLAGS before performing the following checks,
 31  dnl because if the user has installed libiconv and not disabled its use
 32  dnl via --without-libiconv-prefix, he wants to use it. The first
 33  dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
 34  am_save_CPPFLAGS="$CPPFLAGS"
 35  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
 36
 37  AC_CACHE_CHECK([for iconv], am_cv_func_iconv, [
 38    am_cv_func_iconv="no, consider installing GNU libiconv"
 39    am_cv_lib_iconv=no
 40    AC_TRY_LINK([#include <stdlib.h>
 41#include <iconv.h>],
 42      [iconv_t cd = iconv_open("","");
 43       iconv(cd,NULL,NULL,NULL,NULL);
 44       iconv_close(cd);],
 45      am_cv_func_iconv=yes)
 46    if test "$am_cv_func_iconv" != yes; then
 47      am_save_LIBS="$LIBS"
 48      LIBS="$LIBS $LIBICONV"
 49      AC_TRY_LINK([#include <stdlib.h>
 50#include <iconv.h>],
 51        [iconv_t cd = iconv_open("","");
 52         iconv(cd,NULL,NULL,NULL,NULL);
 53         iconv_close(cd);],
 54        am_cv_lib_iconv=yes
 55        am_cv_func_iconv=yes)
 56      LIBS="$am_save_LIBS"
 57    fi
 58  ])
 59  if test "$am_cv_func_iconv" = yes; then
 60    AC_CACHE_CHECK([for working iconv], am_cv_func_iconv_works, [
 61      dnl This tests against bugs in AIX 5.1 and HP-UX 11.11.
 62      am_save_LIBS="$LIBS"
 63      if test $am_cv_lib_iconv = yes; then
 64        LIBS="$LIBS $LIBICONV"
 65      fi
 66      AC_TRY_RUN([
 67#include <iconv.h>
 68#include <string.h>
 69int main ()
 70{
 71  /* Test against AIX 5.1 bug: Failures are not distinguishable from successful
 72     returns.  */
 73  {
 74    iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
 75    if (cd_utf8_to_88591 != (iconv_t)(-1))
 76      {
 77        static const char input[] = "\342\202\254"; /* EURO SIGN */
 78        char buf[10];
 79        const char *inptr = input;
 80        size_t inbytesleft = strlen (input);
 81        char *outptr = buf;
 82        size_t outbytesleft = sizeof (buf);
 83        size_t res = iconv (cd_utf8_to_88591,
 84                            (char **) &inptr, &inbytesleft,
 85                            &outptr, &outbytesleft);
 86        if (res == 0)
 87          return 1;
 88      }
 89  }
 90#if 0 /* This bug could be worked around by the caller.  */
 91  /* Test against HP-UX 11.11 bug: Positive return value instead of 0.  */
 92  {
 93    iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
 94    if (cd_88591_to_utf8 != (iconv_t)(-1))
 95      {
 96        static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
 97        char buf[50];
 98        const char *inptr = input;
 99        size_t inbytesleft = strlen (input);
100        char *outptr = buf;
101        size_t outbytesleft = sizeof (buf);
102        size_t res = iconv (cd_88591_to_utf8,
103                            (char **) &inptr, &inbytesleft,
104                            &outptr, &outbytesleft);
105        if ((int)res > 0)
106          return 1;
107      }
108  }
109#endif
110  /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
111     provided.  */
112  if (/* Try standardized names.  */
113      iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1)
114      /* Try IRIX, OSF/1 names.  */
115      && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1)
116      /* Try AIX names.  */
117      && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1)
118      /* Try HP-UX names.  */
119      && iconv_open ("utf8", "eucJP") == (iconv_t)(-1))
120    return 1;
121  return 0;
122}], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no],
123        [case "$host_os" in
124           aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
125           *)            am_cv_func_iconv_works="guessing yes" ;;
126         esac])
127      LIBS="$am_save_LIBS"
128    ])
129    case "$am_cv_func_iconv_works" in
130      *no) am_func_iconv=no am_cv_lib_iconv=no ;;
131      *)   am_func_iconv=yes ;;
132    esac
133  else
134    am_func_iconv=no am_cv_lib_iconv=no
135  fi
136  if test "$am_func_iconv" = yes; then
137    AC_DEFINE(HAVE_ICONV, 1,
138      [Define if you have the iconv() function and it works.])
139  fi
140  if test "$am_cv_lib_iconv" = yes; then
141    AC_MSG_CHECKING([how to link with libiconv])
142    AC_MSG_RESULT([$LIBICONV])
143  else
144    dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
145    dnl either.
146    CPPFLAGS="$am_save_CPPFLAGS"
147    LIBICONV=
148    LTLIBICONV=
149  fi
150  AC_SUBST(LIBICONV)
151  AC_SUBST(LTLIBICONV)
152])
153
154AC_DEFUN([AM_ICONV],
155[
156  AM_ICONV_LINK
157  if test "$am_cv_func_iconv" = yes; then
158    AC_MSG_CHECKING([for iconv declaration])
159    AC_CACHE_VAL(am_cv_proto_iconv, [
160      AC_TRY_COMPILE([
161#include <stdlib.h>
162#include <iconv.h>
163extern
164#ifdef __cplusplus
165"C"
166#endif
167#if defined(__STDC__) || defined(__cplusplus)
168size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
169#else
170size_t iconv();
171#endif
172], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
173      am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
174    am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
175    AC_MSG_RESULT([$]{ac_t:-
176         }[$]am_cv_proto_iconv)
177    AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
178      [Define as const if the declaration of iconv() needs const.])
179  fi
180])