exofs: Kbuild, Headers and osd utils

[safe/jmp/linux-2.6] / Makefile

diff --git a/Makefile b/Makefile
index 95160e5..c6307b6 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
-SUBLEVEL = 28
-EXTRAVERSION = -rc7
-NAME = Erotic Pickled Herring
+SUBLEVEL = 29
+EXTRAVERSION =
+NAME = Temporary Tasmanian Devil
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
@@ -205,11 +205,16 @@ ifeq ($(ARCH),x86_64)
         SRCARCH := x86
 endif
 
-# Where to locate arch specific headers
+# Additional ARCH settings for sparc
 ifeq ($(ARCH),sparc64)
-       hdr-arch  := sparc
-else
-       hdr-arch  := $(SRCARCH)
+       SRCARCH := sparc
+endif
+
+# Where to locate arch specific headers
+hdr-arch  := $(SRCARCH)
+
+ifeq ($(ARCH),m68knommu)
+       hdr-arch  := m68k
 endif
 
 KCONFIG_CONFIG ?= .config
@@ -320,7 +325,8 @@ KALLSYMS    = scripts/kallsyms
 PERL           = perl
 CHECK          = sparse
 
-CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise $(CF)
+CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
+                 -Wbitwise -Wno-return-void $(CF)
 MODFLAGS       = -DMODULE
 CFLAGS_MODULE   = $(MODFLAGS)
 AFLAGS_MODULE   = $(MODFLAGS)
@@ -383,6 +389,7 @@ PHONY += outputmakefile
 # output directory.
 outputmakefile:
 ifneq ($(KBUILD_SRC),)
+       $(Q)ln -fsn $(srctree) source
        $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
            $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
 endif
@@ -526,8 +533,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN})
 endif
 
 # Force gcc to behave correct even for buggy distributions
-# Arch Makefiles may override this setting
+ifndef CONFIG_CC_STACKPROTECTOR
 KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector)
+endif
 
 ifdef CONFIG_FRAME_POINTER
 KBUILD_CFLAGS  += -fno-omit-frame-pointer -fno-optimize-sibling-calls
@@ -559,6 +567,12 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
 # disable pointer signed / unsigned warnings in gcc 4.0
 KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,)
 
+# disable invalid "can't wrap" optimzations for signed / pointers
+KBUILD_CFLAGS  += $(call cc-option,-fwrapv)
+
+# revert to pre-gcc-4.4 behaviour of .eh_frame
+KBUILD_CFLAGS  += $(call cc-option,-fno-dwarf2-cfi-asm)
+
 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
 # But warn user when we do so
 warn-assign = \
@@ -897,12 +911,18 @@ localver = $(subst $(space),, $(string) \
 # and if the SCM is know a tag from the SCM is appended.
 # The appended tag is determined by the SCM used.
 #
-# Currently, only git is supported.
-# Other SCMs can edit scripts/setlocalversion and add the appropriate
-# checks as needed.
+# .scmversion is used when generating rpm packages so we do not loose
+# the version information from the SCM when we do the build of the kernel
+# from the copied source
 ifdef CONFIG_LOCALVERSION_AUTO
-       _localver-auto = $(shell $(CONFIG_SHELL) \
-                         $(srctree)/scripts/setlocalversion $(srctree))
+
+ifeq ($(wildcard .scmversion),)
+        _localver-auto = $(shell $(CONFIG_SHELL) \
+                         $(srctree)/scripts/setlocalversion $(srctree))
+else
+        _localver-auto = $(shell cat .scmversion 2> /dev/null)
+endif
+
        localver-auto  = $(LOCALVERSION)$(_localver-auto)
 endif
 
@@ -983,7 +1003,7 @@ define check-symlink
 endef
 
 # We create the target directory of the symlink if it does
-# not exist so the test in chack-symlink works and we have a
+# not exist so the test in check-symlink works and we have a
 # directory for generated filesas used by some architectures.
 define create-symlink
        if [ ! -L include/asm ]; then                                      \
@@ -1026,6 +1046,10 @@ include/linux/version.h: $(srctree)/Makefile FORCE
 include/linux/utsrelease.h: include/config/kernel.release FORCE
        $(call filechk,utsrelease.h)
 
+PHONY += headerdep
+headerdep:
+       $(Q)find include/ -name '*.h' | xargs --max-args 1 scripts/headerdep.pl
+
 # ---------------------------------------------------------------------------
 
 PHONY += depend dep
@@ -1274,7 +1298,8 @@ help:
        @echo  '  versioncheck    - Sanity check on version.h usage'
        @echo  '  includecheck    - Check for duplicate included header files'
        @echo  '  export_report   - List the usages of all exported symbols'
-       @echo  '  headers_check   - Sanity check on exported headers'; \
+       @echo  '  headers_check   - Sanity check on exported headers'
+       @echo  '  headerdep       - Detect inclusion cycles in headers'; \
         echo  ''
        @echo  'Kernel packaging:'
        @$(MAKE) $(build)=$(package-dir) help
@@ -1525,7 +1550,7 @@ quiet_cmd_depmod = DEPMOD  $(KERNELRELEASE)
       cmd_depmod = \
        if [ -r System.map -a -x $(DEPMOD) ]; then                              \
                $(DEPMOD) -ae -F System.map                                     \
-               $(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) -r)   \
+               $(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) )     \
                $(KERNELRELEASE);                                               \
        fi