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From: Michael Olbrich <m.olbrich@pengutronix.de>
Date: Mon, 8 Aug 2011 08:57:32 +0200
Subject: [PATCH] make kernel version a autoconf cache variable
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
configure.ac | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/configure.ac b/configure.ac
index 935474f8b88b..0dffe27862ed 100644
--- a/configure.ac
+++ b/configure.ac
@@ -341,16 +341,17 @@ case "${host_os}" in
# Ok, this is linux. Check the kernel version
AC_MSG_CHECKING([for the kernel version])
- kernel=`uname -r`
+ AC_CACHE_VAL([valgrind_cv_sys_kernel_version],
+ [valgrind_cv_sys_kernel_version=`uname -r`])
- case "${kernel}" in
+ case "${valgrind_cv_sys_kernel_version}" in
0.*|1.*|2.0.*|2.1.*|2.2.*|2.3.*|2.4.*|2.5.*)
- AC_MSG_RESULT([unsupported (${kernel})])
- AC_MSG_ERROR([Valgrind needs a Linux kernel >= 2.6])
+ AC_MSG_RESULT([unsupported (${valgrind_cv_sys_kernel_version})])
+ AC_MSG_ERROR([Valgrind needs a Linux kernel >= 2.6])
;;
*)
- AC_MSG_RESULT([2.6 or later (${kernel})])
+ AC_MSG_RESULT([2.6 or later (${valgrind_cv_sys_kernel_version})])
;;
esac
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