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Linux: Use kbuild to check for UML

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<linux/autoconf.h> is automatically included by kbuild; you aren’t
supposed to include it directly.  That breaks in 2.6.33 because
<linux/autoconf.h> is moving to <generated/autoconf.h>.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Change-Id: I56c90dfe90ef72408620793fcd4e927ea3d8f468
Reviewed-on: http://gerrit.openafs.org/1350
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
(cherry picked from commit 660c7a3952f36fc892e12aa6b11eda3295b1416d)
Reviewed-on: http://gerrit.openafs.org/1374
This commit is contained in:
Anders Kaseorg 2010-02-20 13:28:59 -05:00 committed by Derrick Brashear
parent 70798bd662
commit 6fc5c12f13
1 changed files with 2 additions and 5 deletions
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7
acinclude.m4
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@ -684,10 +684,8 @@ else
fi fi
_AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/` _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
AFS_SYSNAME="$_AFS_SYSNAME" AFS_SYSNAME="$_AFS_SYSNAME"
save_CPPFLAGS="$CPPFLAGS" AC_TRY_KBUILD(
CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS" [],
AC_TRY_COMPILE(
[#include <linux/autoconf.h>],
[#ifndef CONFIG_USERMODE [#ifndef CONFIG_USERMODE
#error not UML #error not UML
#endif], #endif],
@ -695,7 +693,6 @@ else
if test "${ac_cv_linux_is_uml}" = yes; then if test "${ac_cv_linux_is_uml}" = yes; then
_AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/` _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
fi fi
CPPFLAGS="$save_CPPFLAGS"
AFS_SYSNAME="$_AFS_SYSNAME" AFS_SYSNAME="$_AFS_SYSNAME"
;; ;;
esac esac