1# iconv_open.m4 serial 16 2dnl Copyright (C) 2007-2020 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_DEFUN([gl_FUNC_ICONV_OPEN], 8[ 9 AC_REQUIRE([AM_ICONV]) 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. 14 gl_REPLACE_ICONV_H 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], [ 18 #include <iconv.h> 19 #if defined _LIBICONV_VERSION || (defined __GLIBC__ && !defined __UCLIBC__) 20 gnu_iconv 21 #endif 22 ], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no]) 23 if test $gl_func_iconv_gnu = no; then 24 iconv_flavor= 25 case "$host_os" in 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 ;; 32 esac 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() 36 implementation.]) 37 gl_REPLACE_ICONV_OPEN 38 fi 39 fi 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 43 *yes) ;; 44 *) 45 REPLACE_ICONV_UTF=1 46 AC_DEFINE([REPLACE_ICONV_UTF], [1], 47 [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.]) 48 REPLACE_ICONV=1 49 gl_REPLACE_ICONV_OPEN 50 ;; 51 esac 52 ]) 53 fi 54]) 55 56AC_DEFUN([gl_REPLACE_ICONV_OPEN], 57[ 58 gl_REPLACE_ICONV_H 59 REPLACE_ICONV_OPEN=1 60]) 61