iconv.m4
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:6k
源码类别:
midi
开发平台:
Unix_Linux
- # iconv.m4 serial AM6 (gettext-0.17)
- dnl Copyright (C) 2000-2002, 2007 Free Software Foundation, Inc.
- dnl This file is free software; the Free Software Foundation
- dnl gives unlimited permission to copy and/or distribute it,
- dnl with or without modifications, as long as this notice is preserved.
- 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).
- AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
- 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 "$am_cv_func_iconv" = yes; then
- AC_CACHE_CHECK([for working iconv], am_cv_func_iconv_works, [
- dnl This tests against bugs in AIX 5.1 and HP-UX 11.11.
- am_save_LIBS="$LIBS"
- if test $am_cv_lib_iconv = yes; then
- LIBS="$LIBS $LIBICONV"
- fi
- AC_TRY_RUN([
- #include <iconv.h>
- #include <string.h>
- int main ()
- {
- /* Test against AIX 5.1 bug: Failures are not distinguishable from successful
- returns. */
- {
- iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
- if (cd_utf8_to_88591 != (iconv_t)(-1))
- {
- static const char input[] = "342202254"; /* EURO SIGN */
- char buf[10];
- const char *inptr = input;
- size_t inbytesleft = strlen (input);
- char *outptr = buf;
- size_t outbytesleft = sizeof (buf);
- size_t res = iconv (cd_utf8_to_88591,
- (char **) &inptr, &inbytesleft,
- &outptr, &outbytesleft);
- if (res == 0)
- return 1;
- }
- }
- #if 0 /* This bug could be worked around by the caller. */
- /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */
- {
- iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
- if (cd_88591_to_utf8 != (iconv_t)(-1))
- {
- static const char input[] = "304rger mit b366sen B374bchen ohne Augenma337";
- char buf[50];
- const char *inptr = input;
- size_t inbytesleft = strlen (input);
- char *outptr = buf;
- size_t outbytesleft = sizeof (buf);
- size_t res = iconv (cd_88591_to_utf8,
- (char **) &inptr, &inbytesleft,
- &outptr, &outbytesleft);
- if ((int)res > 0)
- return 1;
- }
- }
- #endif
- /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
- provided. */
- if (/* Try standardized names. */
- iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1)
- /* Try IRIX, OSF/1 names. */
- && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1)
- /* Try AIX names. */
- && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1)
- /* Try HP-UX names. */
- && iconv_open ("utf8", "eucJP") == (iconv_t)(-1))
- return 1;
- return 0;
- }], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no],
- [case "$host_os" in
- aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
- *) am_cv_func_iconv_works="guessing yes" ;;
- esac])
- 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
- 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
- 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
- ])