src/patches/suse-2.6.27.39/patches.rpmify/cloneconfig.diff

   1 From: Andreas Gruenbacher <agruen@suse.de>
   2 Subject: Add ``cloneconfig'' target
   3
   4 Cloneconfig takes the first configuration it finds which appears
   5 to belong to the running kernel, and configures the kernel sources
   6 to match this configuration as closely as possible.
   7
   8 Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
   9
  10  scripts/kconfig/Makefile |   16 ++++++++++++++++
  11  1 file changed, 16 insertions(+)
  12
  13 --- a/scripts/kconfig/Makefile
  14 +++ b/scripts/kconfig/Makefile
  15 @@ -61,6 +61,22 @@ allnoconfig: $(obj)/conf
  16  allmodconfig: $(obj)/conf
  17         $< -m $(Kconfig)
  18
  19 +UNAME_RELEASE := $(shell uname -r)
  20 +CLONECONFIG := $(firstword $(wildcard /proc/config.gz \
  21 +                                     /lib/modules/$(UNAME_RELEASE)/.config \
  22 +                                     /etc/kernel-config \
  23 +                                     /boot/config-$(UNAME_RELEASE)))
  24 +cloneconfig: $(obj)/conf
  25 +       $(Q)case "$(CLONECONFIG)" in                            \
  26 +       '')     echo -e "The configuration of the running"      \
  27 +                       "kernel could not be determined\n";     \
  28 +               false ;;                                        \
  29 +       *.gz)   gzip -cd $(CLONECONFIG) > .config.running ;;    \
  30 +       *)      cat $(CLONECONFIG) > .config.running ;;         \
  31 +       esac &&                                                 \
  32 +       echo -e "Cloning configuration file $(CLONECONFIG)\n"
  33 +       $(Q)$< -D .config.running arch/$(SRCARCH)/Kconfig
  34 +
  35  defconfig: $(obj)/conf
  36  ifeq ($(KBUILD_DEFCONFIG),)
  37         $< -d $(Kconfig)