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configure: Do not reject Linux 3.0 at configure time.
[sliver-openvswitch.git]
/
acinclude.m4
diff --git
a/acinclude.m4
b/acinclude.m4
index
61d1555
..
59c0c74
100644
(file)
--- a/
acinclude.m4
+++ b/
acinclude.m4
@@
-112,17
+112,27
@@
AC_DEFUN([OVS_CHECK_LINUX], [
AC_MSG_RESULT([$KSRC])
AC_MSG_CHECKING([for kernel version])
AC_MSG_RESULT([$KSRC])
AC_MSG_CHECKING([for kernel version])
+ version=`sed -n 's/^VERSION = //p' "$KSRC/Makefile"`
patchlevel=`sed -n 's/^PATCHLEVEL = //p' "$KSRC/Makefile"`
sublevel=`sed -n 's/^SUBLEVEL = //p' "$KSRC/Makefile"`
patchlevel=`sed -n 's/^PATCHLEVEL = //p' "$KSRC/Makefile"`
sublevel=`sed -n 's/^SUBLEVEL = //p' "$KSRC/Makefile"`
- if test
-z "$patchlevel" || test -z "$sublevel"
; then
+ if test
X"$version" = X || test X"$patchlevel" = X
; then
AC_ERROR([cannot determine kernel version])
AC_ERROR([cannot determine kernel version])
+ elif test X"$sublevel" = X; then
+ kversion=$version.$patchlevel
+ else
+ kversion=$version.$patchlevel.$sublevel
fi
fi
- AC_MSG_RESULT([2.$patchlevel.$sublevel])
- if test "2.$patchlevel" != '2.6'; then
+ AC_MSG_RESULT([$kversion])
+
+ if test "$version" -ge 3; then
+ : # Linux 3.x
+ elif test "$version" = 2 && test "$patchlevel" -ge 6; then
+ : # Linux 2.6.x
+ else
if test "$KBUILD" = "$KSRC"; then
if test "$KBUILD" = "$KSRC"; then
- AC_ERROR([Linux kernel in $KBUILD is
not version 2.6
])
+ AC_ERROR([Linux kernel in $KBUILD is
version $kversion, but version 2.6 or later is required
])
else
else
- AC_ERROR([Linux kernel in build tree $KBUILD (source tree $KSRC) is
not version 2.6
])
+ AC_ERROR([Linux kernel in build tree $KBUILD (source tree $KSRC) is
version $kversion, but version 2.6 or later is required
])
fi
fi
if test ! -e "$KBUILD"/include/linux/version.h || \
fi
fi
if test ! -e "$KBUILD"/include/linux/version.h || \