restore after the big svn loss

1 files changed, 163 insertions, 0 deletions

diff --git a/kheader.pl b/kheader.pl
new file mode 100644
index 0000000..8dbf935
--- /dev/null
+++ b/kheader.pl
@@ -0,0 +1,163 @@
+#!/usr/bin/perl
+
+use MDK::Common;
+
+my @kernels = group_by2(
+    'smp' => 'SMP',
+    'xen0' => 'XEN0',
+    'default' => 'DEFAULT',
+    'legacy' => 'LEGACY',
+    'enterprise' => 'ENTERPRISE',
+    'secure' => 'SECURE',
+    '-i686-up-4GB' => 'I686_UP_4GB',
+    '-i686-up-64GB' => 'I686_UP_64GB',
+    '-p3-smp-64GB' => 'P3_SMP_64GB',
+    '-i586-up-1GB' => 'I586_UP_1GB',
+
+    'desktop' => 'DESKTOP',
+    'desktopsmp' => 'DESKTOPSMP',
+    'desktop-i586' => 'DESKTOP_I586',
+    'desktopsmp-i586' => 'DESKTOPSMP_I586',
+    'laptop' => 'LAPTOP',
+    'laptopsmp' => 'LAPTOPSMP',
+    'server' => 'SERVER',
+    'serversmp' => 'SERVERSMP',
+
+    '*' => 'UP', #- keep it the last
+);
+
+my $init_vars = join(';', map { "$_->[1]=0" } @kernels);
+
+my $set_vars = join('',
+    map {
+	<<EOF
+	$_->[0])
+	    $_->[1]=1;;
+EOF
+    } @kernels);
+
+
+my $defines = join("\n",
+    map {
+	<<EOF
+#ifndef __BOOT_KERNEL_$_->[1]
+#define __BOOT_KERNEL_$_->[1] \$$_->[1]
+#endif
+EOF
+    } @kernels);
+
+printf(<<'KHEADER', $init_vars, $set_vars, $defines);
+#!/bin/sh
+# (c) Mandriva, Pixel <pixel@mandriva.com>
+# 	$Id: kheader.pl 84121 2006-11-14 16:12:11Z pixel $
+#
+# kheader: Regenerates kernel headers
+#
+# chkconfig: 235 95 20
+# description: This shell script regenerates the /boot/kernel.h header for \
+#	   /usr/src/linux/include/{autoconf,version}.h
+#
+### BEGIN INIT INFO
+# Provides: kheader
+# Default-Start: 2 3 5
+# Short-Description: Regenerates kernel headers
+# Description: This shell script regenerates the /boot/kernel.h header for
+#              /usr/src/linux/include/{autoconf,version}.h
+### END INIT INFO
+
+. /etc/rc.d/init.d/functions
+
+: ${KERNEL_H:=/boot/kernel.h}
+: ${HEADERFILE:=${KERNEL_H}-`uname -r`}
+[ -d $(dirname $HEADERFILE) ] || exit 0
+
+table() {
+    %s
+
+    # this will do  the trick until gprintf.py expands variables
+    echo_no_gprintf="echo"
+
+    ver=$(uname -r)
+    mdk="md[kv]"
+    k=$($echo_no_gprintf $ver|sed "s/.*$mdk//")
+
+    # for tmb & multimedia kernels
+    case $ver in
+	*-desktop-*)
+	    k=desktop$k;;
+	*-laptop-*)
+	    k=laptop$k;;
+	*-server-*)
+	    k=server$k;;
+    esac
+
+    case $k in
+%s
+    esac
+
+    # since 2.6.17-2mdv, default kernels can be SMP enabled by
+    # default, hence a new name
+    $echo_no_gprintf "$UP:$ver" | grep -q "^1:.*$mdk" && {
+        case $ver in
+            # XXX simpler to maintain a skip list
+            [01].*|2.[0-5].*|2.6.[0-9]-*|2.6.1[0-6]-*|2.6.17-1mdk);;
+            *) UP=0; DEFAULT=1;;
+        esac
+    }
+
+    unset echo_no_gprintf
+}
+
+generate () {
+    table;
+    # do not overwrite exsisting header, it confuses
+    # kernel make and forces it to recompile everything
+    cat > $HEADERFILE.tmp << EOF
+/* This file is automatically generated at boot time. */
+#ifndef __BOOT_KERNEL_H_
+#define __BOOT_KERNEL_H_
+
+%s
+#endif
+EOF
+
+mv -f $HEADERFILE.tmp $HEADERFILE
+
+if [ -f $KERNEL_H ] ; then
+    rm -f $KERNEL_H
+fi
+
+ln -sf $HEADERFILE $KERNEL_H
+}
+
+function remove_orphaned {
+    local version= i=
+    for i in /boot/kernel.h-* /boot/System.map-* /boot/config-*; do
+	version=${i#*-}
+	[[ -f /boot/vmlinuz-${version} ]] || rm -f ${i}
+    done
+}
+
+case $1 in 
+    start)
+    # We don't log this command, because most users don't want to hear this (c) Chmou
+	generate
+	touch /var/lock/subsys/kheader
+	;;
+    restart)
+	;;
+    reload)
+	generate
+	;;
+    stop)
+	remove_orphaned;
+	rm -f /var/lock/subsys/kheader
+	;;
+    status)
+	;;
+    *)
+    gprintf "Usage: %%s\n" "$(basename $0) {start|stop|reload|restart}"
+    exit 0
+    ;;
+esac
+KHEADER