mirror of
https://gitlab.com/mbunkus/mkvtoolnix.git
synced 2024-12-26 04:42:04 +00:00
81 lines
1.8 KiB
Plaintext
81 lines
1.8 KiB
Plaintext
dnl
|
|
dnl Test if the 64bit integer types are available, and if not if they
|
|
dnl can be typedef'ed manually.
|
|
dnl
|
|
AC_MSG_CHECKING(for int64_t)
|
|
AC_LANG_PUSH(C++)
|
|
AC_CACHE_VAL(ac_cv_has_int64_t,[
|
|
AC_TRY_COMPILE([
|
|
#if HAVE_INTTYPES_H
|
|
# include <inttypes.h>
|
|
#endif
|
|
#if HAVE_STDINT_H
|
|
# include <stdint.h>
|
|
#endif
|
|
#if HAVE_SYS_TYPES_H
|
|
# include <sys/types.h>
|
|
#endif
|
|
],
|
|
[int64_t foo;],
|
|
ac_cv_has_int64_t=yes,
|
|
ac_cv_has_int64_t=no)
|
|
])
|
|
AC_MSG_RESULT($ac_cv_has_int64_t)
|
|
|
|
AC_MSG_CHECKING(for uint64_t)
|
|
AC_CACHE_VAL(ac_cv_has_uint64_t,[
|
|
AC_TRY_COMPILE([
|
|
#if HAVE_INTTYPES_H
|
|
# include <inttypes.h>
|
|
#endif
|
|
#if HAVE_STDINT_H
|
|
# include <stdint.h>
|
|
#endif
|
|
#if HAVE_SYS_TYPES_H
|
|
# include <sys/types.h>
|
|
#endif
|
|
],
|
|
[int64_t foo;],
|
|
ac_cv_has_uint64_t=yes,
|
|
ac_cv_has_uint64_t=no)
|
|
])
|
|
AC_MSG_RESULT($ac_cv_has_uint64_t)
|
|
AC_LANG_POP
|
|
|
|
AC_CHECK_SIZEOF(int)
|
|
AC_CHECK_SIZEOF(long)
|
|
AC_CHECK_SIZEOF(long long)
|
|
|
|
if test x$ac_cv_has_int64_t = "xyes" ; then
|
|
TYPE64="int64_t"
|
|
else
|
|
case 8 in
|
|
$ac_cv_sizeof_int) TYPE64="int";;
|
|
$ac_cv_sizeof_long) TYPE64="long";;
|
|
$ac_cv_sizeof_long_long) TYPE64="long long";;
|
|
esac
|
|
AC_DEFINE(HAVE_NO_INT64_T, 1, [int64_t does not exist])
|
|
AC_DEFINE_UNQUOTED(INT64_TYPE, $TYPE64,
|
|
[the type to define int64_t manually])
|
|
fi
|
|
|
|
if test x$ac_cv_has_uint64_t = "xyes" ; then
|
|
TYPEU64="int64_t"
|
|
else
|
|
case 8 in
|
|
$ac_cv_sizeof_int) TYPEU64="unsigned int";;
|
|
$ac_cv_sizeof_long) TYPEU64="unsigned long";;
|
|
$ac_cv_sizeof_long_long) TYPEU64="unsigned long long";;
|
|
esac
|
|
AC_DEFINE(HAVE_NO_UINT64_T, 1, [uint64_t does not exist])
|
|
AC_DEFINE_UNQUOTED(UINT64_TYPE, $TYPEU64,
|
|
[the type to define uint64_t manually])
|
|
fi
|
|
|
|
if test -z "$TYPE64"; then
|
|
AC_MSG_ERROR(No 64 bit type found on this platform!)
|
|
fi
|
|
if test -z "$TYPEU64"; then
|
|
AC_MSG_ERROR(No unsigned 64 bit type found on this platform!)
|
|
fi
|