kconfig: fix .config dependencies

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / Makefile

diff --git a/Makefile b/Makefile
index fc8e08c419f09e81252f3aa41cb7f47524c0af60..b1610562a65f7bd7baeb42fa843af0a7e7c0cd53 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 17
-EXTRAVERSION =-rc1
-NAME=Sliding Snow Leopard
+EXTRAVERSION =-rc6
+NAME=Crazed Snow-Weasel
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
@@ -344,16 +344,14 @@ scripts_basic:
 scripts/basic/%: scripts_basic ;
 
 PHONY += outputmakefile
-# outputmakefile generate a Makefile to be placed in output directory, if
-# using a seperate output directory. This allows convinient use
-# of make in output directory
+# outputmakefile generates a Makefile in the output directory, if using a
+# separate output directory. This allows convenient use of make in the
+# output directory.
 outputmakefile:
-       $(Q)if test ! $(srctree) -ef $(objtree); then \
-       $(CONFIG_SHELL) $(srctree)/scripts/mkmakefile              \
-           $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)         \
-           > $(objtree)/Makefile;                                 \
-           echo '  GEN    $(objtree)/Makefile';                   \
-       fi
+ifneq ($(KBUILD_SRC),)
+       $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
+           $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
+endif
 
 # To make sure we do not include .config for any of the *config targets
 # catch them early, and hand them over to scripts/kconfig/Makefile
@@ -406,7 +404,7 @@ include $(srctree)/arch/$(ARCH)/Makefile
 export KBUILD_DEFCONFIG
 
 config %config: scripts_basic outputmakefile FORCE
-       $(Q)mkdir -p include/linux
+       $(Q)mkdir -p include/linux include/config
        $(Q)$(MAKE) $(build)=scripts/kconfig $@
        $(Q)$(MAKE) -C $(srctree) KBUILD_SRC= .kernelrelease
 
@@ -423,8 +421,6 @@ PHONY += scripts
 scripts: scripts_basic include/config/MARKER
        $(Q)$(MAKE) $(build)=$(@)
 
-scripts_basic: include/linux/autoconf.h
-
 # Objects we will link into vmlinux / subdirs we need to visit
 init-y         := init/
 drivers-y      := drivers/ sound/
@@ -438,25 +434,22 @@ ifeq ($(dot-config),1)
 
 # Read in dependencies to all Kconfig* files, make sure to run
 # oldconfig if changes are detected.
--include .kconfig.d
-
-include .config
+-include include/config/auto.conf.cmd
+-include include/config/auto.conf
 
-# If .config needs to be updated, it will be done via the dependency
-# that autoconf has on .config.
 # To avoid any implicit rule to kick in, define an empty command
-.config .kconfig.d: ;
+.config include/config/auto.conf.cmd: ;
 
-# If .config is newer than include/linux/autoconf.h, someone tinkered
+# If .config is newer than include/config/auto.conf, someone tinkered
 # with it and forgot to run make oldconfig.
-# If kconfig.d is missing then we are probarly in a cleaned tree so
+# if auto.conf.cmd is missing then we are probarly in a cleaned tree so
 # we execute the config step to be sure to catch updated Kconfig files
-include/linux/autoconf.h: .kconfig.d .config
-       $(Q)mkdir -p include/linux
+include/config/auto.conf: .config include/config/auto.conf.cmd
        $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
+
 else
 # Dummy target needed, because used as prerequisite
-include/linux/autoconf.h: ;
+include/config/auto.conf: ;
 endif
 
 # The all: target is the default when no target is given on the
@@ -781,7 +774,7 @@ PHONY += prepare-all
 prepare3: .kernelrelease
 ifneq ($(KBUILD_SRC),)
        @echo '  Using $(srctree) as source for kernel'
-       $(Q)if [ -f $(srctree)/.config ]; then \
+       $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
                echo "  $(srctree) is not clean, please run 'make mrproper'";\
                echo "  in the '$(srctree)' directory.";\
                /bin/false; \
@@ -796,8 +789,8 @@ prepare2: prepare3 outputmakefile
 prepare1: prepare2 include/linux/version.h include/asm \
                    include/config/MARKER
 ifneq ($(KBUILD_MODULES),)
-       $(Q)rm -rf $(MODVERDIR)
        $(Q)mkdir -p $(MODVERDIR)
+       $(Q)rm -f $(MODVERDIR)/*
 endif
 
 archprepare: prepare1 scripts_basic
@@ -824,7 +817,7 @@ include/asm:
 
 #      Split autoconf.h into include/linux/config/*
 
-include/config/MARKER: scripts/basic/split-include include/linux/autoconf.h
+include/config/MARKER: scripts/basic/split-include include/config/auto.conf
        @echo '  SPLIT   include/linux/autoconf.h -> include/config/*'
        @scripts/basic/split-include include/linux/autoconf.h include/config
        @touch $@
@@ -1086,8 +1079,8 @@ else # KBUILD_EXTMOD
 KBUILD_MODULES := 1
 PHONY += crmodverdir
 crmodverdir:
-       $(Q)rm -rf $(MODVERDIR)
        $(Q)mkdir -p $(MODVERDIR)
+       $(Q)rm -f $(MODVERDIR)/*
 
 PHONY += $(objtree)/Module.symvers
 $(objtree)/Module.symvers: