"Fossies" - the Fresh Open Source Software Archive

Member "virt-dmesg-0.3.0/m4/iconv.m4" (20 May 2011, 7519 Bytes) of package /linux/privat/old/virt-dmesg-0.3.0.tar.gz:


As a special service "Fossies" has tried to format the requested text file into HTML format (style: standard) with prefixed line numbers. Alternatively you can here view or download the uninterpreted source code file.

    1 # iconv.m4 serial 11 (gettext-0.18.1)
    2 dnl Copyright (C) 2000-2002, 2007-2010 Free Software Foundation, Inc.
    3 dnl This file is free software; the Free Software Foundation
    4 dnl gives unlimited permission to copy and/or distribute it,
    5 dnl with or without modifications, as long as this notice is preserved.
    6 
    7 dnl From Bruno Haible.
    8 
    9 AC_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 
   20 AC_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 "$am_cv_func_iconv" = yes; then
   60     AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
   61       dnl This tests against bugs in AIX 5.1, HP-UX 11.11, Solaris 10.
   62       am_save_LIBS="$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>
   69 int 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   /* Test against Solaris 10 bug: Failures are not distinguishable from
   91      successful returns.  */
   92   {
   93     iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646");
   94     if (cd_ascii_to_88591 != (iconv_t)(-1))
   95       {
   96         static const char input[] = "\263";
   97         char buf[10];
   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_ascii_to_88591,
  103                             (char **) &inptr, &inbytesleft,
  104                             &outptr, &outbytesleft);
  105         if (res == 0)
  106           return 1;
  107       }
  108   }
  109 #if 0 /* This bug could be worked around by the caller.  */
  110   /* Test against HP-UX 11.11 bug: Positive return value instead of 0.  */
  111   {
  112     iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
  113     if (cd_88591_to_utf8 != (iconv_t)(-1))
  114       {
  115         static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
  116         char buf[50];
  117         const char *inptr = input;
  118         size_t inbytesleft = strlen (input);
  119         char *outptr = buf;
  120         size_t outbytesleft = sizeof (buf);
  121         size_t res = iconv (cd_88591_to_utf8,
  122                             (char **) &inptr, &inbytesleft,
  123                             &outptr, &outbytesleft);
  124         if ((int)res > 0)
  125           return 1;
  126       }
  127   }
  128 #endif
  129   /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
  130      provided.  */
  131   if (/* Try standardized names.  */
  132       iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1)
  133       /* Try IRIX, OSF/1 names.  */
  134       && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1)
  135       /* Try AIX names.  */
  136       && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1)
  137       /* Try HP-UX names.  */
  138       && iconv_open ("utf8", "eucJP") == (iconv_t)(-1))
  139     return 1;
  140   return 0;
  141 }], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no],
  142         [case "$host_os" in
  143            aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
  144            *)            am_cv_func_iconv_works="guessing yes" ;;
  145          esac])
  146       LIBS="$am_save_LIBS"
  147     ])
  148     case "$am_cv_func_iconv_works" in
  149       *no) am_func_iconv=no am_cv_lib_iconv=no ;;
  150       *)   am_func_iconv=yes ;;
  151     esac
  152   else
  153     am_func_iconv=no am_cv_lib_iconv=no
  154   fi
  155   if test "$am_func_iconv" = yes; then
  156     AC_DEFINE([HAVE_ICONV], [1],
  157       [Define if you have the iconv() function and it works.])
  158   fi
  159   if test "$am_cv_lib_iconv" = yes; then
  160     AC_MSG_CHECKING([how to link with libiconv])
  161     AC_MSG_RESULT([$LIBICONV])
  162   else
  163     dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
  164     dnl either.
  165     CPPFLAGS="$am_save_CPPFLAGS"
  166     LIBICONV=
  167     LTLIBICONV=
  168   fi
  169   AC_SUBST([LIBICONV])
  170   AC_SUBST([LTLIBICONV])
  171 ])
  172 
  173 dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to
  174 dnl avoid warnings like
  175 dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required".
  176 dnl This is tricky because of the way 'aclocal' is implemented:
  177 dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN.
  178 dnl   Otherwise aclocal's initial scan pass would miss the macro definition.
  179 dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions.
  180 dnl   Otherwise aclocal would emit many "Use of uninitialized value $1"
  181 dnl   warnings.
  182 m4_define([gl_iconv_AC_DEFUN],
  183   m4_version_prereq([2.64],
  184     [[AC_DEFUN_ONCE(
  185         [$1], [$2])]],
  186     [[AC_DEFUN(
  187         [$1], [$2])]]))
  188 gl_iconv_AC_DEFUN([AM_ICONV],
  189 [
  190   AM_ICONV_LINK
  191   if test "$am_cv_func_iconv" = yes; then
  192     AC_MSG_CHECKING([for iconv declaration])
  193     AC_CACHE_VAL([am_cv_proto_iconv], [
  194       AC_TRY_COMPILE([
  195 #include <stdlib.h>
  196 #include <iconv.h>
  197 extern
  198 #ifdef __cplusplus
  199 "C"
  200 #endif
  201 #if defined(__STDC__) || defined(__cplusplus)
  202 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
  203 #else
  204 size_t iconv();
  205 #endif
  206 ], [], [am_cv_proto_iconv_arg1=""], [am_cv_proto_iconv_arg1="const"])
  207       am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
  208     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
  209     AC_MSG_RESULT([
  210          $am_cv_proto_iconv])
  211     AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1],
  212       [Define as const if the declaration of iconv() needs const.])
  213   fi
  214 ])