1 AC_DEFUN([AC_CHECK_ICONV],
4 dnl #################################################
5 dnl # check for libiconv support
7 savedldflags="$LDFLAGS"
12 [ --with-libiconv=BASEDIR Use libiconv in BASEDIR/lib and BASEDIR/include [[default=auto]]],
19 ICONV_CFLAGS="-I$withval/include"
20 ICONV_LIBS="-L$withval/$atalk_libname"
26 CFLAGS="$ICONV_CFLAGS $CFLAGS"
27 LDFLAGS="$LDFLAGS $ICONV_LIBS -liconv"
29 AC_CACHE_CHECK([for libiconv],netatalk_cv_iconv,[
34 iconv_t cd = iconv_open("","");
35 iconv(cd,NULL,NULL,NULL,NULL);
37 ], netatalk_cv_iconv=yes, netatalk_cv_iconv=no, netatalk_cv_iconv=cross)])
39 if test x"$netatalk_cv_iconv" = x"yes"; then
40 ICONV_LIBS="$ICONV_LIBS -liconv"
42 dnl # unset C-/LDFLAGS so we can detect glibc iconv, if available
44 LDFLAGS="$savedldflags"
47 if test x"$withval" != x"no"; then
48 AC_MSG_ERROR([libiconv not found])
53 CFLAGS_REMOVE_USR_INCLUDE(ICONV_CFLAGS)
54 LIB_REMOVE_USR_LIB(ICONV_LIBS)
55 AC_SUBST(ICONV_CFLAGS)
59 dnl # check for iconv usability
61 AC_CACHE_CHECK([for working iconv],netatalk_cv_HAVE_USABLE_ICONV,[
65 iconv_t cd = iconv_open("ASCII", "UTF-8");
66 if (cd == 0 || cd == (iconv_t)-1) return -1;
69 ], netatalk_cv_HAVE_USABLE_ICONV=yes,netatalk_cv_HAVE_USABLE_ICONV=no,netatalk_cv_HAVE_USABLE_ICONV=cross)])
71 if test x"$netatalk_cv_HAVE_USABLE_ICONV" = x"yes"; then
72 AC_DEFINE(HAVE_USABLE_ICONV,1,[Whether to use native iconv])
76 dnl # check if iconv needs const
77 if test x"$netatalk_cv_HAVE_USABLE_ICONV" = x"yes"; then
78 AC_CACHE_VAL(am_cv_proto_iconv, [
86 #if defined(__STDC__) || defined(__cplusplus)
87 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
91 ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
92 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);"])
93 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
94 [Define as const if the declaration of iconv() needs const.])
98 dnl # check if (lib)iconv supports UCS-2-INTERNAL
99 if test x"$netatalk_cv_HAVE_USABLE_ICONV" = x"yes"; then
100 AC_CACHE_CHECK([whether iconv supports UCS-2-INTERNAL],netatalk_cv_HAVE_UCS2INTERNAL,[
104 iconv_t cd = iconv_open("ASCII", "UCS-2-INTERNAL");
105 if (cd == 0 || cd == (iconv_t)-1) return -1;
108 ], netatalk_cv_HAVE_UCS2INTERNAL=yes,netatalk_cv_HAVE_UCS2INTERNAL=no,netatalk_cv_HAVEUCS2INTERNAL=cross)])
110 if test x"$netatalk_cv_HAVE_UCS2INTERNAL" = x"yes"; then
111 AC_DEFINE(HAVE_UCS2INTERNAL,1,[Whether UCS-2-INTERNAL is supported])
115 CFLAGS="$savedcflags"
116 LDFLAGS="$savedldflags"
117 CPPFLAGS="$saved_CPPFLAGS"