mirror of
https://gitlab.com/mbunkus/mkvtoolnix.git
synced 2024-12-24 20:01:53 +00:00
68 lines
2.2 KiB
Plaintext
68 lines
2.2 KiB
Plaintext
dnl
|
|
dnl Test for libiconv
|
|
dnl
|
|
dnl This macros shamelessly stolen from
|
|
dnl http://gcc.gnu.org/ml/gcc-bugs/2001-06/msg01398.html.
|
|
dnl Written by Bruno Haible.
|
|
dnl
|
|
dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
|
|
dnl those with the standalone portable GNU libiconv installed).
|
|
dnl
|
|
AC_CHECK_HEADERS(iconv.h)
|
|
AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
|
|
am_cv_func_iconv="no, consider installing GNU libiconv"
|
|
am_cv_lib_iconv=no
|
|
AC_TRY_LINK([#include <stdlib.h>
|
|
#include <iconv.h>],
|
|
[iconv_t cd = iconv_open("","");
|
|
iconv(cd,NULL,NULL,NULL,NULL);
|
|
iconv_close(cd);],
|
|
am_cv_func_iconv=yes)
|
|
if test "$am_cv_func_iconv" != yes; then
|
|
am_save_LIBS="$LIBS"
|
|
LIBS="$LIBS -liconv"
|
|
AC_TRY_LINK([#include <stdlib.h>
|
|
#include <iconv.h>],
|
|
[iconv_t cd = iconv_open("","");
|
|
iconv(cd,NULL,NULL,NULL,NULL);
|
|
iconv_close(cd);],
|
|
am_cv_lib_iconv=yes
|
|
am_cv_func_iconv=yes)
|
|
LIBS="$am_save_LIBS"
|
|
fi
|
|
])
|
|
if test "$am_cv_func_iconv" = yes; then
|
|
AC_MSG_CHECKING([for iconv declaration])
|
|
AC_CACHE_VAL(am_cv_proto_iconv, [
|
|
AC_TRY_COMPILE([
|
|
#include <stdlib.h>
|
|
#include <iconv.h>
|
|
extern
|
|
#ifdef __cplusplus
|
|
"C"
|
|
#endif
|
|
#if defined(__STDC__) || defined(__cplusplus)
|
|
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
|
|
#else
|
|
size_t iconv();
|
|
#endif
|
|
], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
|
|
am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
|
|
am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
|
|
AC_MSG_RESULT([$]{ac_t:-
|
|
}[$]am_cv_proto_iconv)
|
|
AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
|
|
[Define as const if the declaration of iconv() needs const.])
|
|
else
|
|
echo '*** The iconv library is needed but could not be found.'
|
|
echo '*** Please install it and re-run configure. You can find iconv'
|
|
echo '*** at http://www.gnu.org/software/libiconv/'
|
|
exit 1
|
|
fi
|
|
ICONV_LIBS=
|
|
if test "$am_cv_lib_iconv" = yes; then
|
|
ICONV_LIBS="-liconv"
|
|
fi
|
|
|
|
AC_SUBST(ICONV_LIBS)
|