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Member "dnotify-0.18.0/m4/iconv.m4" (18 Jul 2004, 3499 Bytes) of package /linux/privat/old/dnotify-0.18.0.tar.gz:


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    1 # iconv.m4 serial AM4 (gettext-0.11.3)
    2 dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
    3 dnl This file is free software, distributed under the terms of the GNU
    4 dnl General Public License.  As a special exception to the GNU General
    5 dnl Public License, this file may be distributed as part of a program
    6 dnl that contains a configuration script generated by Autoconf, under
    7 dnl the same distribution terms as the rest of that program.
    8 
    9 dnl From Bruno Haible.
   10 
   11 AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
   12 [
   13   dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
   14   AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
   15   AC_REQUIRE([AC_LIB_RPATH])
   16 
   17   dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
   18   dnl accordingly.
   19   AC_LIB_LINKFLAGS_BODY([iconv])
   20 ])
   21 
   22 AC_DEFUN([AM_ICONV_LINK],
   23 [
   24   dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
   25   dnl those with the standalone portable GNU libiconv installed).
   26 
   27   dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
   28   dnl accordingly.
   29   AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
   30 
   31   dnl Add $INCICONV to CPPFLAGS before performing the following checks,
   32   dnl because if the user has installed libiconv and not disabled its use
   33   dnl via --without-libiconv-prefix, he wants to use it. The first
   34   dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
   35   am_save_CPPFLAGS="$CPPFLAGS"
   36   AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
   37 
   38   AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
   39     am_cv_func_iconv="no, consider installing GNU libiconv"
   40     am_cv_lib_iconv=no
   41     AC_TRY_LINK([#include <stdlib.h>
   42 #include <iconv.h>],
   43       [iconv_t cd = iconv_open("","");
   44        iconv(cd,NULL,NULL,NULL,NULL);
   45        iconv_close(cd);],
   46       am_cv_func_iconv=yes)
   47     if test "$am_cv_func_iconv" != yes; then
   48       am_save_LIBS="$LIBS"
   49       LIBS="$LIBS $LIBICONV"
   50       AC_TRY_LINK([#include <stdlib.h>
   51 #include <iconv.h>],
   52         [iconv_t cd = iconv_open("","");
   53          iconv(cd,NULL,NULL,NULL,NULL);
   54          iconv_close(cd);],
   55         am_cv_lib_iconv=yes
   56         am_cv_func_iconv=yes)
   57       LIBS="$am_save_LIBS"
   58     fi
   59   ])
   60   if test "$am_cv_func_iconv" = yes; then
   61     AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
   62   fi
   63   if test "$am_cv_lib_iconv" = yes; then
   64     AC_MSG_CHECKING([how to link with libiconv])
   65     AC_MSG_RESULT([$LIBICONV])
   66   else
   67     dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
   68     dnl either.
   69     CPPFLAGS="$am_save_CPPFLAGS"
   70     LIBICONV=
   71     LTLIBICONV=
   72   fi
   73   AC_SUBST(LIBICONV)
   74   AC_SUBST(LTLIBICONV)
   75 ])
   76 
   77 AC_DEFUN([AM_ICONV],
   78 [
   79   AM_ICONV_LINK
   80   if test "$am_cv_func_iconv" = yes; then
   81     AC_MSG_CHECKING([for iconv declaration])
   82     AC_CACHE_VAL(am_cv_proto_iconv, [
   83       AC_TRY_COMPILE([
   84 #include <stdlib.h>
   85 #include <iconv.h>
   86 extern
   87 #ifdef __cplusplus
   88 "C"
   89 #endif
   90 #if defined(__STDC__) || defined(__cplusplus)
   91 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
   92 #else
   93 size_t iconv();
   94 #endif
   95 ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
   96       am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
   97     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
   98     AC_MSG_RESULT([$]{ac_t:-
   99          }[$]am_cv_proto_iconv)
  100     AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
  101       [Define as const if the declaration of iconv() needs const.])
  102   fi
  103 ])