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build: add kernel version check to configure

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This commit is contained in:
Jan Engelhardt
2009-04-26 20:22:40 +02:00
parent 34f39756ec
commit b427c930f2
2 changed files with 32 additions and 0 deletions
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31
configure.ac
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@@ -63,6 +63,37 @@ if [[ -n "$ksourcedir" ]]; then
kinclude_CFLAGS="$kinclude_CFLAGS -I $ksourcedir/include";
fi;
#
# check kernel version
#
if grep -q "CentOS release 5\." /etc/redhat-release 2>/dev/null ||
grep -q "Red Hat Enterprise Linux Server release 5" /etc/redhat-release 2>/dev/null; then
# しまった!
# Well, just a warning. Maybe the admin updated the kernel.
echo "WARNING: This distribution is not officially supported.";
fi;
krel="$(make -sC ${kbuilddir} kernelrelease)";
krel="${krel%%-*}";
kmajor="${krel%%.*}";
krel="${krel#*.}";
kminor="${krel%%.*}";
krel="${krel#*.}";
kmicro="${krel%%.*}";
krel="${krel#*.}";
kstable="${krel%%.*}";
if test -z "$kstable"; then
kstable=0;
fi;
echo "Found kernel version $kmajor.$kminor.$kmicro.$kstable in $kbuilddir";
if test "$kmajor" -gt 2 -o "$kminor" -gt 6 -o "$kmicro" -gt 30; then
echo "WARNING: You are trying a newer kernel. Results may vary. :-)";
elif test \( "$kmajor" -lt 2 -o "$kminor" -lt 6 -o "$kmicro" -lt 17 \) -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.";
exit 1;
fi;
AC_SUBST([regular_CFLAGS])
AC_SUBST([xtables_CFLAGS])
AC_SUBST([kinclude_CFLAGS])