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Fix the configure CONFIG_* option detection 

The latest kernels no longer define AUTOCONF_INCLUDED which was
being used to detect the new style autoconf.h kernel configure
options.  This results in the CONFIG_* checks always failing
incorrectly for newer kernels.

The fix for this is a simplification of the testing method.
Rather than attempting to explicitly include to renamed config
header.  It is simpler to unconditionally include <linux/module.h>
which must pick up the correctly named header.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #320
This commit is contained in:
Brian Behlendorf 2011-07-22 14:10:38 -07:00
parent 22872ff5da
commit 0da7869690
2 changed files with 5 additions and 15 deletions
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4
config/kernel.m4
View File

@ -380,9 +380,7 @@ dnl #
AC_DEFUN([ZFS_LINUX_CONFIG],
[AC_MSG_CHECKING([whether Linux was built with CONFIG_$1])
ZFS_LINUX_TRY_COMPILE([
#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
#endif
#include <linux/module.h>
],[
#ifndef CONFIG_$1
#error CONFIG_$1 not #defined

16
configure vendored
View File

@ -12233,9 +12233,7 @@ cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
#endif
#include <linux/module.h>
int
main (void)
@ -12306,9 +12304,7 @@ cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
#endif
#include <linux/module.h>
int
main (void)
@ -16507,9 +16503,7 @@ cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
#endif
#include <linux/module.h>
int
main (void)
@ -16580,9 +16574,7 @@ cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
#endif
#include <linux/module.h>
int
main (void)