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62 lines
2.1 KiB
Plaintext
62 lines
2.1 KiB
Plaintext
# iconv_open.m4
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# serial 19
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dnl Copyright (C) 2007-2026 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This file is offered as-is, without any warranty.
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AC_DEFUN([gl_FUNC_ICONV_OPEN],
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[
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AC_REQUIRE([AM_ICONV])
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AC_REQUIRE([AC_CANONICAL_HOST])
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AC_REQUIRE([gl_ICONV_H_DEFAULTS])
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if test "$am_cv_func_iconv" = yes; then
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dnl Provide the <iconv.h> override, for the sake of the C++ aliases.
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gl_REPLACE_ICONV_H
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dnl Test whether iconv_open accepts standardized encoding names.
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dnl We know that GNU libiconv and GNU libc do.
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AC_EGREP_CPP([gnu_iconv], [
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#include <iconv.h>
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#if (defined _LIBICONV_VERSION && !(_LIBICONV_VERSION == 0x10b && defined __APPLE__)) \
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|| (defined __GLIBC__ && !defined __UCLIBC__)
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gnu_iconv
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#endif
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], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no])
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if test $gl_func_iconv_gnu = no; then
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iconv_flavor=
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case "$host_os" in
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aix*) iconv_flavor=ICONV_FLAVOR_AIX ;;
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hpux*) iconv_flavor=ICONV_FLAVOR_HPUX ;;
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solaris*) iconv_flavor=ICONV_FLAVOR_SOLARIS ;;
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openedition*) iconv_flavor=ICONV_FLAVOR_ZOS ;;
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esac
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if test -n "$iconv_flavor"; then
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AC_DEFINE_UNQUOTED([ICONV_FLAVOR], [$iconv_flavor],
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[Define to a symbolic name denoting the flavor of iconv_open()
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implementation.])
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gl_REPLACE_ICONV_OPEN
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fi
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fi
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m4_ifdef([gl_FUNC_ICONV_OPEN_UTF_SUPPORT], [
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gl_FUNC_ICONV_OPEN_UTF_SUPPORT
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case "$gl_cv_func_iconv_supports_utf" in
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*yes) ;;
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*)
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REPLACE_ICONV_UTF=1
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AC_DEFINE([REPLACE_ICONV_UTF], [1],
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[Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.])
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REPLACE_ICONV=1
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gl_REPLACE_ICONV_OPEN
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;;
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esac
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])
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fi
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])
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AC_DEFUN([gl_REPLACE_ICONV_OPEN],
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[
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gl_REPLACE_ICONV_H
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REPLACE_ICONV_OPEN=1
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])
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