[PATCH] x86-64: Remove unused vxtime.hz field

[pandora-kernel.git] / Makefile

diff --git a/Makefile b/Makefile
index 2402430..45e5a38 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -334,7 +334,7 @@ KALLSYMS    = scripts/kallsyms
 PERL           = perl
 CHECK          = sparse
 
-CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__
+CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ $(CF)
 MODFLAGS       = -DMODULE
 CFLAGS_MODULE   = $(MODFLAGS)
 AFLAGS_MODULE   = $(MODFLAGS)
@@ -382,6 +382,9 @@ RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn --exclude CV
 scripts_basic:
        $(Q)$(MAKE) $(build)=scripts/basic
 
+# To avoid any implicit rule to kick in, define an empty command.
+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
@@ -444,9 +447,8 @@ ifeq ($(config-targets),1)
 include $(srctree)/arch/$(ARCH)/Makefile
 export KBUILD_DEFCONFIG
 
-config: scripts_basic outputmakefile FORCE
-       $(Q)$(MAKE) $(build)=scripts/kconfig $@
-%config: scripts_basic outputmakefile FORCE
+config %config: scripts_basic outputmakefile FORCE
+       $(Q)mkdir -p include/linux
        $(Q)$(MAKE) $(build)=scripts/kconfig $@
 
 else
@@ -489,6 +491,7 @@ include .config
 # If .config is newer than include/linux/autoconf.h, someone tinkered
 # with it and forgot to run make oldconfig
 include/linux/autoconf.h: .config
+       $(Q)mkdir -p include/linux
        $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
 else
 # Dummy target needed, because used as prerequisite
@@ -641,8 +644,13 @@ quiet_cmd_vmlinux__ ?= LD      $@
 # Generate new vmlinux version
 quiet_cmd_vmlinux_version = GEN     .version
       cmd_vmlinux_version = set -e;                     \
-       . $(srctree)/scripts/mkversion > .tmp_version;  \
-       mv -f .tmp_version .version;                    \
+       if [ ! -r .version ]; then                      \
+         rm -f .version;                               \
+         echo 1 >.version;                             \
+       else                                            \
+         mv .version .old_version;                     \
+         expr 0$$(cat .old_version) + 1 >.version;     \
+       fi;                                             \
        $(MAKE) $(build)=init
 
 # Generate System.map
@@ -756,6 +764,7 @@ endif # ifdef CONFIG_KALLSYMS
 # vmlinux image - including updated kernel symbols
 vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) FORCE
        $(call if_changed_rule,vmlinux__)
+       $(Q)rm -f .old_version
 
 # The actual objects are generated when descending, 
 # make sure no implicit rule kicks in
@@ -768,15 +777,20 @@ $(sort $(vmlinux-init) $(vmlinux-main)) $(vmlinux-lds): $(vmlinux-dirs) ;
 # Error messages still appears in the original language
 
 .PHONY: $(vmlinux-dirs)
-$(vmlinux-dirs): prepare-all scripts
+$(vmlinux-dirs): prepare scripts
        $(Q)$(MAKE) $(build)=$@
 
 # Things we need to do before we recursively start building the kernel
-# or the modules are listed in "prepare-all".
-# A multi level approach is used. prepare1 is updated first, then prepare0.
-# prepare-all is the collection point for the prepare targets.
+# or the modules are listed in "prepare".
+# A multi level approach is used. prepareN is processed before prepareN-1.
+# archprepare is used in arch Makefiles and when processed asm symlink,
+# version.h and scripts_basic is processed / created.
 
-.PHONY: prepare-all prepare prepare0 prepare1 prepare2 prepare3
+# Listed in dependency order
+.PHONY: prepare archprepare prepare0 prepare1 prepare2 prepare3
+
+# prepare-all is deprecated, use prepare as valid replacement
+.PHONY: prepare-all
 
 # prepare3 is used to check if we are building in a separate output directory,
 # and if so do:
@@ -805,11 +819,13 @@ ifneq ($(KBUILD_MODULES),)
        $(Q)mkdir -p $(MODVERDIR)
 endif
 
-prepare0: prepare prepare1 FORCE
-       $(Q)$(MAKE) $(build)=$(srctree)
+archprepare: prepare1 scripts_basic
+
+prepare0: archprepare FORCE
+       $(Q)$(MAKE) $(build)=.
 
 # All the preparing..
-prepare-all: prepare0
+prepare prepare-all: prepare0
 
 #      Leave this as default for preprocessing vmlinux.lds.S, which is now
 #      done in arch/$(ARCH)/kernel/Makefile
@@ -848,7 +864,7 @@ include/asm:
 
 #      Split autoconf.h into include/linux/config/*
 
-include/config/MARKER: include/linux/autoconf.h
+include/config/MARKER: scripts/basic/split-include include/linux/autoconf.h
        @echo '  SPLIT   include/linux/autoconf.h -> include/config/*'
        @scripts/basic/split-include include/linux/autoconf.h include/config
        @touch $@
@@ -900,7 +916,7 @@ modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
 
 # Target to prepare building external modules
 .PHONY: modules_prepare
-modules_prepare: prepare-all scripts
+modules_prepare: prepare scripts
 
 # Target to install modules
 .PHONY: modules_install
@@ -1053,6 +1069,7 @@ help:
        @echo  '  rpm             - Build a kernel as an RPM package'
        @echo  '  tags/TAGS       - Generate tags file for editors'
        @echo  '  cscope          - Generate cscope index'
+       @echo  '  kernelrelease   - Output the release version string'
        @echo  ''
        @echo  'Static analysers'
        @echo  '  buildcheck      - List dangling references to vmlinux discarded sections'