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Check kernel source directory for SPL

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ZFS fails to build when SPL is built into the kernel on unless
--with-spl=/path/to/kernel/sources is specified. We fallback to the
kernel sources directory when SPL is not found elsewhere to resolve
that.

Signed-off-by: Richard Yao <ryao@cs.stonybrook.edu>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closed #896
This commit is contained in:
Richard Yao
2012-08-25 18:32:54 -04:00
committed by Brian Behlendorf
parent 9e11c7eee2
commit 074e72953c
2 changed files with 21 additions and 0 deletions
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config/kernel.m4
+7
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@@ -302,6 +302,13 @@ AC_DEFUN([ZFS_AC_SPL], [
sourcelink=../spl
])
dnl #
dnl # Look in the kernel directory
dnl #
AS_IF([test -z "$sourcelink" || test ! -e $sourcelink/spl_config.h], [
sourcelink="$LINUX"
])
AS_IF([test -e $sourcelink/spl_config.h], [
splsrc=`readlink -f ${sourcelink}`
], [