diff sources/more/migrate-kernel.sh @ 1123:075c7e067ccd

Scripts generally say thing-thing not thing_thing, so rename migrate_kernel.
author Rob Landley <rob@landley.net>
date Fri, 18 Jun 2010 15:48:14 -0500
parents sources/more/migrate_kernel.sh@61aa2ac67660
children f44ca6ebdab7
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sources/more/migrate-kernel.sh	Fri Jun 18 15:48:14 2010 -0500
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+# Calculate new config for UNSTABLE kernel based on stable kernel config.
+# I.E. calculate miniconfig-alt-linux based on miniconfig-linux for a target.
+
+# Expand miniconfig with the old kernel, copy .config to new kernel, run
+# make oldconfig, compress to miniconfig, copy to sources/targets/$TARGET
+
+. sources/include.sh
+
+read_arch_dir "$1"
+
+blank_tempdir "$WORK"
+
+[ -z "$BOOT_KARCH" ] && BOOT_KARCH="$KARCH"
+
+# Expand config against current kernel
+
+USE_UNSTABLE=
+
+setupfor linux
+
+cp "$(getconfig linux)" mini.conf || dienow
+[ "$SYSIMAGE_TYPE" == "initramfs" ] &&
+  (echo "CONFIG_BLK_DEV_INITRD=y" >> mini.conf || dienow)
+make ARCH="$BOOT_KARCH" KCONFIG_ALLCONFIG=mini.conf $LINUX_FLAGS \
+  allnoconfig > /dev/null &&
+cp .config "$WORK"
+
+cleanup
+
+USE_UNSTABLE=linux
+
+setupfor linux
+
+cp "$WORK/.config" . &&
+yes "" | make ARCH="$BOOT_KARCH" oldconfig &&
+mv .config walrus &&
+ARCH="${BOOT_KARCH}" "$SOURCES/toys/miniconfig.sh" walrus || dienow
+
+CFG="$CONFIG_DIR/$ARCH_NAME/miniconfig-alt-linux"
+if [ -e "$CFG" ] && ! cmp mini.config "$CFG"
+then
+  mv "$CFG" "${CFG}.bak" || dienow
+fi
+mv mini.config "$CFG"
+
+cleanup