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Diff for /embedaddon/confuse/m4/iconv.m4 between versions 1.1.1.1 and 1.1.1.2

version 1.1.1.1, 2017/01/24 14:48:55 version 1.1.1.2, 2021/03/17 00:49:17
Line 1 Line 1
# iconv.m4 serial AM4 (gettext-0.11.3)# iconv.m4 serial 18 (gettext-0.18.2)
dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.dnl Copyright (C) 2000-2002, 2007-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation  dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,  dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.  dnl with or without modifications, as long as this notice is preserved.
Line 21  AC_DEFUN([AM_ICONV_LINK], Line 21  AC_DEFUN([AM_ICONV_LINK],
 [  [
   dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and    dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
   dnl those with the standalone portable GNU libiconv installed).    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 Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
   dnl accordingly.    dnl accordingly.
Line 29  AC_DEFUN([AM_ICONV_LINK], Line 30  AC_DEFUN([AM_ICONV_LINK],
   dnl Add $INCICONV to CPPFLAGS before performing the following checks,    dnl Add $INCICONV to CPPFLAGS before performing the following checks,
   dnl because if the user has installed libiconv and not disabled its use    dnl because if the user has installed libiconv and not disabled its use
   dnl via --without-libiconv-prefix, he wants to use it. The first    dnl via --without-libiconv-prefix, he wants to use it. The first
  dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.  dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed.
   am_save_CPPFLAGS="$CPPFLAGS"    am_save_CPPFLAGS="$CPPFLAGS"
   AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])    AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
   
  AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [  AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [
     am_cv_func_iconv="no, consider installing GNU libiconv"      am_cv_func_iconv="no, consider installing GNU libiconv"
     am_cv_lib_iconv=no      am_cv_lib_iconv=no
    AC_TRY_LINK([#include <stdlib.h>    AC_LINK_IFELSE(
#include <iconv.h>],      [AC_LANG_PROGRAM(
      [iconv_t cd = iconv_open("","");         [[
       iconv(cd,NULL,NULL,NULL,NULL);#include <stdlib.h>
       iconv_close(cd);],#include <iconv.h>
      am_cv_func_iconv=yes)         ]],
          [[iconv_t cd = iconv_open("","");
            iconv(cd,NULL,NULL,NULL,NULL);
            iconv_close(cd);]])],
       [am_cv_func_iconv=yes])
     if test "$am_cv_func_iconv" != yes; then      if test "$am_cv_func_iconv" != yes; then
       am_save_LIBS="$LIBS"        am_save_LIBS="$LIBS"
       LIBS="$LIBS $LIBICONV"        LIBS="$LIBS $LIBICONV"
      AC_TRY_LINK([#include <stdlib.h>      AC_LINK_IFELSE(
#include <iconv.h>],        [AC_LANG_PROGRAM(
        [iconv_t cd = iconv_open("","");           [[
         iconv(cd,NULL,NULL,NULL,NULL);#include <stdlib.h>
         iconv_close(cd);],#include <iconv.h>
        am_cv_lib_iconv=yes           ]],
        am_cv_func_iconv=yes)           [[iconv_t cd = iconv_open("","");
              iconv(cd,NULL,NULL,NULL,NULL);
              iconv_close(cd);]])],
         [am_cv_lib_iconv=yes]
         [am_cv_func_iconv=yes])
       LIBS="$am_save_LIBS"        LIBS="$am_save_LIBS"
     fi      fi
   ])    ])
   if test "$am_cv_func_iconv" = yes; then    if test "$am_cv_func_iconv" = yes; then
    AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])    AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
       dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11,
       dnl Solaris 10.
       am_save_LIBS="$LIBS"
       if test $am_cv_lib_iconv = yes; then
         LIBS="$LIBS $LIBICONV"
       fi
       AC_RUN_IFELSE(
         [AC_LANG_SOURCE([[
 #include <iconv.h>
 #include <string.h>
 int main ()
 {
   int result = 0;
   /* Test against AIX 5.1 bug: Failures are not distinguishable from successful
      returns.  */
   {
     iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
     if (cd_utf8_to_88591 != (iconv_t)(-1))
       {
         static const char input[] = "\342\202\254"; /* EURO SIGN */
         char buf[10];
         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,
                             (char **) &inptr, &inbytesleft,
                             &outptr, &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 ("ISO8859-1", "646");
     if (cd_ascii_to_88591 != (iconv_t)(-1))
       {
         static const char input[] = "\263";
         char buf[10];
         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,
                             (char **) &inptr, &inbytesleft,
                             &outptr, &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 ("UTF-8", "ISO-8859-1");
     if (cd_88591_to_utf8 != (iconv_t)(-1))
       {
         static const char input[] = "\304";
         static char buf[2] = { (char)0xDE, (char)0xAD };
         const char *inptr = input;
         size_t inbytesleft = 1;
         char *outptr = buf;
         size_t outbytesleft = 1;
         size_t res = iconv (cd_88591_to_utf8,
                             (char **) &inptr, &inbytesleft,
                             &outptr, &outbytesleft);
         if (res != (size_t)(-1) || outptr - buf > 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 ("utf8", "iso88591");
     if (cd_88591_to_utf8 != (iconv_t)(-1))
       {
         static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
         char buf[50];
         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,
                             (char **) &inptr, &inbytesleft,
                             &outptr, &outbytesleft);
         if ((int)res > 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 ("UTF-8", "EUC-JP") == (iconv_t)(-1)
       /* Try IRIX, OSF/1 names.  */
       && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1)
       /* Try AIX names.  */
       && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1)
       /* Try HP-UX names.  */
       && iconv_open ("utf8", "eucJP") == (iconv_t)(-1))
     result |= 16;
   return result;
 }]])],
         [am_cv_func_iconv_works=yes],
         [am_cv_func_iconv_works=no],
         [
 changequote(,)dnl
          case "$host_os" in
            aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
            *)            am_cv_func_iconv_works="guessing yes" ;;
          esac
 changequote([,])dnl
         ])
       LIBS="$am_save_LIBS"
     ])
     case "$am_cv_func_iconv_works" 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    fi
     if test "$am_func_iconv" = yes; then
       AC_DEFINE([HAVE_ICONV], [1],
         [Define if you have the iconv() function and it works.])
     fi
   if test "$am_cv_lib_iconv" = yes; then    if test "$am_cv_lib_iconv" = yes; then
     AC_MSG_CHECKING([how to link with libiconv])      AC_MSG_CHECKING([how to link with libiconv])
     AC_MSG_RESULT([$LIBICONV])      AC_MSG_RESULT([$LIBICONV])
Line 68  AC_DEFUN([AM_ICONV_LINK], Line 205  AC_DEFUN([AM_ICONV_LINK],
     LIBICONV=      LIBICONV=
     LTLIBICONV=      LTLIBICONV=
   fi    fi
  AC_SUBST(LIBICONV)  AC_SUBST([LIBICONV])
  AC_SUBST(LTLIBICONV)  AC_SUBST([LTLIBICONV])
 ])  ])
   
AC_DEFUN([AM_ICONV],dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to
 dnl avoid warnings like
 dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required".
 dnl This is tricky because of the way 'aclocal' is implemented:
 dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN.
 dnl   Otherwise aclocal'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 "Use of uninitialized value $1"
 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], [$2])]])]))
 gl_iconv_AC_DEFUN([AM_ICONV],
 [  [
   AM_ICONV_LINK    AM_ICONV_LINK
   if test "$am_cv_func_iconv" = yes; then    if test "$am_cv_func_iconv" = yes; then
     AC_MSG_CHECKING([for iconv declaration])      AC_MSG_CHECKING([for iconv declaration])
    AC_CACHE_VAL(am_cv_proto_iconv, [    AC_CACHE_VAL([am_cv_proto_iconv], [
      AC_TRY_COMPILE([      AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [[
 #include <stdlib.h>  #include <stdlib.h>
 #include <iconv.h>  #include <iconv.h>
 extern  extern
 #ifdef __cplusplus  #ifdef __cplusplus
 "C"  "C"
 #endif  #endif
#if defined(__STDC__) || defined(__cplusplus)#if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus)
 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);  size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
 #else  #else
 size_t iconv();  size_t iconv();
 #endif  #endif
], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")           ]],
            [[]])],
         [am_cv_proto_iconv_arg1=""],
         [am_cv_proto_iconv_arg1="const"])
       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);"])        am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`      am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
    AC_MSG_RESULT([$]{ac_t:-    AC_MSG_RESULT([
         }[$]am_cv_proto_iconv)         $am_cv_proto_iconv])
    AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,    AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1],
       [Define as const if the declaration of iconv() needs const.])        [Define as const if the declaration of iconv() needs const.])
       dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>.
       m4_ifdef([gl_ICONV_H_DEFAULTS],
         [AC_REQUIRE([gl_ICONV_H_DEFAULTS])
          if test -n "$am_cv_proto_iconv_arg1"; then
            ICONV_CONST="const"
          fi
         ])
   fi    fi
 ])  ])
Removed from v.1.1.1.1  
changed lines
  Added in v.1.1.1.2

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