mirror of
https://gitlab.com/mbunkus/mkvtoolnix.git
synced 2024-12-25 04:11:44 +00:00
81 lines
1.8 KiB
Plaintext
81 lines
1.8 KiB
Plaintext
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dnl
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dnl Test if the 64bit integer types are available, and if not if they
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dnl can be typedef'ed manually.
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dnl
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AC_MSG_CHECKING(for int64_t)
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AC_LANG_PUSH(C++)
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AC_CACHE_VAL(ac_cv_has_int64_t,[
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AC_TRY_COMPILE([
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#if HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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#if HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#if HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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],
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[int64_t foo;],
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ac_cv_has_int64_t=yes,
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ac_cv_has_int64_t=no)
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])
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AC_MSG_RESULT($ac_cv_has_int64_t)
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AC_MSG_CHECKING(for uint64_t)
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AC_CACHE_VAL(ac_cv_has_uint64_t,[
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AC_TRY_COMPILE([
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#if HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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#if HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#if HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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],
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[int64_t foo;],
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ac_cv_has_uint64_t=yes,
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ac_cv_has_uint64_t=no)
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])
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AC_MSG_RESULT($ac_cv_has_uint64_t)
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AC_LANG_POP
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AC_CHECK_SIZEOF(int)
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AC_CHECK_SIZEOF(long)
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AC_CHECK_SIZEOF(long long)
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if test x$ac_cv_has_int64_t = "xyes" ; then
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TYPE64="int64_t"
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else
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case 8 in
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$ac_cv_sizeof_int) TYPE64="int";;
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$ac_cv_sizeof_long) TYPE64="long";;
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$ac_cv_sizeof_long_long) TYPE64="long long";;
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esac
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AC_DEFINE(HAVE_NO_INT64_T, 1, [int64_t does not exist])
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AC_DEFINE_UNQUOTED(INT64_TYPE, $TYPE64,
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[the type to define int64_t manually])
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fi
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if test x$ac_cv_has_uint64_t = "xyes" ; then
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TYPEU64="int64_t"
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else
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case 8 in
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$ac_cv_sizeof_int) TYPEU64="unsigned int";;
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$ac_cv_sizeof_long) TYPEU64="unsigned long";;
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$ac_cv_sizeof_long_long) TYPEU64="unsigned long long";;
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esac
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AC_DEFINE(HAVE_NO_UINT64_T, 1, [uint64_t does not exist])
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AC_DEFINE_UNQUOTED(UINT64_TYPE, $TYPEU64,
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[the type to define uint64_t manually])
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fi
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if test -z "$TYPE64"; then
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AC_MSG_ERROR(No 64 bit type found on this platform!)
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fi
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if test -z "$TYPEU64"; then
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AC_MSG_ERROR(No unsigned 64 bit type found on this platform!)
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fi
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