| 1 | # iconv_open.m4 serial 16
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| 2 | dnl Copyright (C) 2007-2021 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | AC_DEFUN([gl_FUNC_ICONV_OPEN],
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| 8 | [
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| 9 | AC_REQUIRE([AM_ICONV])
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| 10 | AC_REQUIRE([AC_CANONICAL_HOST])
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| 11 | AC_REQUIRE([gl_ICONV_H_DEFAULTS])
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| 12 | if test "$am_cv_func_iconv" = yes; then
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| 13 | dnl Provide the <iconv.h> override, for the sake of the C++ aliases.
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| 14 | gl_REPLACE_ICONV_H
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| 15 | dnl Test whether iconv_open accepts standardized encoding names.
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| 16 | dnl We know that GNU libiconv and GNU libc do.
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| 17 | AC_EGREP_CPP([gnu_iconv], [
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| 18 | #include <iconv.h>
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| 19 | #if defined _LIBICONV_VERSION || (defined __GLIBC__ && !defined __UCLIBC__)
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| 20 | gnu_iconv
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| 21 | #endif
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| 22 | ], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no])
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| 23 | if test $gl_func_iconv_gnu = no; then
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| 24 | iconv_flavor=
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| 25 | case "$host_os" in
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| 26 | aix*) iconv_flavor=ICONV_FLAVOR_AIX ;;
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| 27 | irix*) iconv_flavor=ICONV_FLAVOR_IRIX ;;
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| 28 | hpux*) iconv_flavor=ICONV_FLAVOR_HPUX ;;
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| 29 | osf*) iconv_flavor=ICONV_FLAVOR_OSF ;;
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| 30 | solaris*) iconv_flavor=ICONV_FLAVOR_SOLARIS ;;
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| 31 | openedition*) iconv_flavor=ICONV_FLAVOR_ZOS ;;
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| 32 | esac
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| 33 | if test -n "$iconv_flavor"; then
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| 34 | AC_DEFINE_UNQUOTED([ICONV_FLAVOR], [$iconv_flavor],
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| 35 | [Define to a symbolic name denoting the flavor of iconv_open()
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| 36 | implementation.])
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| 37 | gl_REPLACE_ICONV_OPEN
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| 38 | fi
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| 39 | fi
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| 40 | m4_ifdef([gl_FUNC_ICONV_OPEN_UTF_SUPPORT], [
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| 41 | gl_FUNC_ICONV_OPEN_UTF_SUPPORT
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| 42 | case "$gl_cv_func_iconv_supports_utf" in
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| 43 | *yes) ;;
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| 44 | *)
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| 45 | REPLACE_ICONV_UTF=1
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| 46 | AC_DEFINE([REPLACE_ICONV_UTF], [1],
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| 47 | [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.])
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| 48 | REPLACE_ICONV=1
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| 49 | gl_REPLACE_ICONV_OPEN
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| 50 | ;;
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| 51 | esac
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| 52 | ])
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| 53 | fi
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| 54 | ])
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| 55 |
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| 56 | AC_DEFUN([gl_REPLACE_ICONV_OPEN],
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| 57 | [
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| 58 | gl_REPLACE_ICONV_H
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| 59 | REPLACE_ICONV_OPEN=1
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| 60 | ])
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