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build: notify of unsupported Linux kernel versions

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This commit is contained in:
Jan Engelhardt
2011-04-04 00:18:54 +02:00
parent c53a86874d
commit 509953daec
2 changed files with 6 additions and 17 deletions
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8
INSTALL
View File

@@ -14,7 +14,7 @@ Supported configurations for this release
* iptables >= 1.4.3
* kernel-source >= 2.6.17, no upper bound known
* kernel-source >= 2.6.29
with prepared build/output directory
- CONFIG_NF_CONNTRACK or CONFIG_IP_NF_CONNTRACK
- CONFIG_NF_CONNTRACK_MARK or CONFIG_IP_NF_CONNTRACK_MARK
@@ -22,12 +22,6 @@ Supported configurations for this release
- CONFIG_CONNECTOR y/m if you wish to receive userspace
notifications from pknock through netlink/connector
Extra notes:
* in the kernel 2.6.18.x series, >= 2.6.18.5 is required
* requires that no vendor backports interfere
For ipset-5 you need:
* libmnl

15
configure.ac
View File

@@ -40,15 +40,6 @@ regular_CFLAGS="-Wall -Waggregate-return -Wmissing-declarations \
-Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes \
-Winline -pipe";
#
# check kernel version
#
if grep -q "CentOS release 5\." /etc/redhat-release 2>/dev/null ||
grep -q "Red Hat Enterprise Linux Server release 5" /etc/redhat-release 2>/dev/null; then
# しまった!
# Well, just a warning. Maybe the admin updated the kernel.
echo "WARNING: This distribution's shipped kernel is not supported.";
fi;
if test -n "$kbuilddir"; then
AC_MSG_CHECKING([kernel version that we will build against])
krel="$(make -sC "$kbuilddir" M=. kernelrelease)";
@@ -72,13 +63,17 @@ if test -n "$kbuilddir"; then
echo "$kmajor.$kminor.$kmicro.$kstable in $kbuilddir";
if test "$kmajor" -gt 2 -o "$kminor" -gt 6 -o "$kmicro" -gt 38; then
echo "WARNING: You are trying a newer kernel. Results may vary. :-)";
elif test "$kmajor" -eq 2 -a "$kminor" -eq 6 -a "$kmicro" -ge 29; then
:; # everything ok
elif test \( "$kmajor" -lt 2 -o \
\( "$kmajor" -eq 2 -a "$kminor" -lt 6 \) -o \
\( "$kmajor" -eq 2 -a "$kminor" -eq 0 -a "$kmicro" -lt 17 \) -o \
\( "$kmajor" -eq 2 -a "$kminor" -eq 6 -a "$kmicro" -eq 18 -a \
"$kstable" -lt 5 \) \); then
echo "ERROR: That kernel version is not supported. Please see INSTALL for minimum configuration.";
echo "ERROR: That kernel version is not supported at all. Please see INSTALL for minimum configuration.";
exit 1;
else
echo "WARNING: That kernel version has been recently deprecated for use with Xtables-addons). Compilation may fail.";
fi;
fi;
fi;