xmms/gentoo-m4/iconv.m4

# iconv.m4 serial AM4 (gettext-0.11.3)
dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

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).

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

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

  AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
    am_cv_func_iconv="no, consider installing GNU libiconv"
    am_cv_lib_iconv=no
    AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
      [iconv_t cd = iconv_open("","");
       iconv(cd,NULL,NULL,NULL,NULL);
       iconv_close(cd);],
      am_cv_func_iconv=yes)
    if test "$am_cv_func_iconv" != yes; then
      am_save_LIBS="$LIBS"
      LIBS="$LIBS $LIBICONV"
      AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
        [iconv_t cd = iconv_open("","");
         iconv(cd,NULL,NULL,NULL,NULL);
         iconv_close(cd);],
        am_cv_lib_iconv=yes
        am_cv_func_iconv=yes)
      LIBS="$am_save_LIBS"
    fi
  ])
  if test "$am_cv_func_iconv" = yes; then
    AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
  fi
  if test "$am_cv_lib_iconv" = yes; then
    AC_MSG_CHECKING([how to link with libiconv])
    AC_MSG_RESULT([$LIBICONV])
  else
    dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
    dnl either.
    CPPFLAGS="$am_save_CPPFLAGS"
    LIBICONV=
    LTLIBICONV=
  fi
  AC_SUBST(LIBICONV)
  AC_SUBST(LTLIBICONV)
])

AC_DEFUN([AM_ICONV],
[
  AM_ICONV_LINK
  if test "$am_cv_func_iconv" = yes; then
    AC_MSG_CHECKING([for iconv declaration])
    AC_CACHE_VAL(am_cv_proto_iconv, [
      AC_TRY_COMPILE([
#include <stdlib.h>
#include <iconv.h>
extern
#ifdef __cplusplus
"C"
#endif
#if defined(__STDC__) || 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="", am_cv_proto_iconv_arg1="const")
      am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
    am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
    AC_MSG_RESULT([$]{ac_t:-
         }[$]am_cv_proto_iconv)
    AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
      [Define as const if the declaration of iconv() needs const.])
  fi
])
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	])