1 # iconv_open.m4 serial 16
2 dnl Copyright (C) 2007-2020 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_ICONV_OPEN],
10 AC_REQUIRE([AC_CANONICAL_HOST])
11 AC_REQUIRE([gl_ICONV_H_DEFAULTS])
12 if test "$am_cv_func_iconv" = yes; then
13 dnl Provide the <iconv.h> override, for the sake of the C++ aliases.
15 dnl Test whether iconv_open accepts standardized encoding names.
16 dnl We know that GNU libiconv and GNU libc do.
17 AC_EGREP_CPP([gnu_iconv], [
19 #if defined _LIBICONV_VERSION || (defined __GLIBC__ && !defined __UCLIBC__)
22 ], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no])
23 if test $gl_func_iconv_gnu = no; then
26 aix*) iconv_flavor=ICONV_FLAVOR_AIX ;;
27 irix*) iconv_flavor=ICONV_FLAVOR_IRIX ;;
28 hpux*) iconv_flavor=ICONV_FLAVOR_HPUX ;;
29 osf*) iconv_flavor=ICONV_FLAVOR_OSF ;;
30 solaris*) iconv_flavor=ICONV_FLAVOR_SOLARIS ;;
31 openedition*) iconv_flavor=ICONV_FLAVOR_ZOS ;;
33 if test -n "$iconv_flavor"; then
34 AC_DEFINE_UNQUOTED([ICONV_FLAVOR], [$iconv_flavor],
35 [Define to a symbolic name denoting the flavor of iconv_open()
40 m4_ifdef([gl_FUNC_ICONV_OPEN_UTF_SUPPORT], [
41 gl_FUNC_ICONV_OPEN_UTF_SUPPORT
42 case "$gl_cv_func_iconv_supports_utf" in
46 AC_DEFINE([REPLACE_ICONV_UTF], [1],
47 [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.])
56 AC_DEFUN([gl_REPLACE_ICONV_OPEN],