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Go back to using standard autoconf-suppled AC_SYS_LARGEFILE

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rocky
2006-01-08 21:44:14 +00:00
parent ed0d121821
commit 1be39db941
2 changed files with 16 additions and 73 deletions
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26
Makefile.am
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@@ -1,6 +1,6 @@
# $Id: Makefile.am,v 1.36 2005/10/05 09:48:11 rocky Exp $
# $Id: Makefile.am,v 1.37 2006/01/08 21:44:14 rocky Exp $
#
# Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
# Copyright (C) 2003, 2004, 2006 Rocky Bernstein <rocky@panix.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -20,14 +20,20 @@
## which configure then turns into a Makefile ...
## which make can then use to produce stuff. Isn't configuration simple?
EXTRA_DIST = THANKS README.libcdio \
package/libcdio.spec.in package/libcdio.spec \
libcdio.pc.in libcdio.pc \
libcdio_cdda.pc.in libcdio_cdda.pc \
libiso9660.pc.in libiso9660.pc \
example/README \
MSVC/config.h MSVC/README MSVC/cd-info.vcproj \
MSVC/libcdio.sln MSVC/libcdio.vcproj
EXTRA_DIST =
MSVC/README MSVC/cd-info.vcproj \
MSVC/config.h \
MSVC/libcdio.sln \
MSVC/libcdio.vcproj \
README.libcdio \
THANKS \
example/README \
libcdio.pc.in libcdio.pc \
libcdio_cdda.pc \
libcdio_cdda.pc.in \
libiso9660.pc.in libiso9660.pc \
package/libcdio.spec \
package/libcdio.spec.in
SUBDIRS = doc include lib src test example

63
largefile.m4
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@@ -1,63 +0,0 @@
dnl ---------------------------------------------------------------------------
dnl AC_SYS_LARGEFILE from wxWidgets code which is partly based on the code from
dnl autoconf 2.5x)
dnl ---------------------------------------------------------------------------
dnl WX_SYS_LARGEFILE_TEST
dnl
dnl NB: original autoconf test was checking if compiler supported 6 bit off_t
dnl arithmetic properly but this failed miserably with gcc under Linux
dnl whereas the system still supports 64 bit files, so now simply check
dnl that off_t is big enough
define(WX_SYS_LARGEFILE_TEST,
[typedef struct {
unsigned int field: sizeof(off_t) == 8;
} wxlf;
])
dnl WX_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, CACHE-VAR)
define(WX_SYS_LARGEFILE_MACRO_VALUE,
[
AC_CACHE_CHECK([for $1 value needed for large files], [$3],
[
AC_TRY_COMPILE([#define $1 $2
#include <sys/types.h>],
WX_SYS_LARGEFILE_TEST,
[$3=$2],
[$3=no])
]
)
if test "$$3" != no; then
ac_cv_sys_largefiles=yes
AC_DEFINE_UNQUOTED([$1], [$$3])
fi
])
dnl AC_SYS_LARGEFILE
dnl ----------------
dnl By default, many hosts won't let programs access large files;
dnl one must use special compiler options to get large-file access to work.
dnl For more details about this brain damage please see:
dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html
AC_DEFUN([AC_SYS_LARGEFILE],
[AC_ARG_ENABLE(largefile,
[ --disable-largefile omit support for large files])
if test "$enable_largefile" != no; then
dnl _FILE_OFFSET_BITS==64 is needed for Linux, Solaris, ...
dnl _LARGE_FILES -- for AIX
ac_cv_sys_largefiles=no
WX_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64, ac_cv_sys_file_offset_bits)
if test "x$ac_cv_sys_largefiles" != "xyes"; then
WX_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1, ac_cv_sys_large_files)
fi
AC_MSG_CHECKING(if large file support is available)
if test "x$ac_cv_sys_largefiles" = "xyes"; then
AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
fi
AC_MSG_RESULT($ac_cv_sys_largefiles)
fi
])