string: factorize skip_spaces and export it to be generally available

[safe/jmp/linux-2.6] / Makefile

diff --git a/Makefile b/Makefile
index 9b2b58c..33d4732 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
-SUBLEVEL = 30
-EXTRAVERSION = -rc5
-NAME = Vindictive Armadillo
+SUBLEVEL = 32
+EXTRAVERSION =
+NAME = Man-Eating Seals of Antiquity
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
@@ -35,10 +35,8 @@ MAKEFLAGS += -rR --no-print-directory
 # To put more focus on warnings, be less verbose as default
 # Use 'make V=1' to see the full commands
 
-ifdef V
-  ifeq ("$(origin V)", "command line")
-    KBUILD_VERBOSE = $(V)
-  endif
+ifeq ("$(origin V)", "command line")
+  KBUILD_VERBOSE = $(V)
 endif
 ifndef KBUILD_VERBOSE
   KBUILD_VERBOSE = 0
@@ -54,10 +52,8 @@ endif
 # See the file "Documentation/sparse.txt" for more details, including
 # where to get the "sparse" utility.
 
-ifdef C
-  ifeq ("$(origin C)", "command line")
-    KBUILD_CHECKSRC = $(C)
-  endif
+ifeq ("$(origin C)", "command line")
+  KBUILD_CHECKSRC = $(C)
 endif
 ifndef KBUILD_CHECKSRC
   KBUILD_CHECKSRC = 0
@@ -69,12 +65,10 @@ endif
 ifdef SUBDIRS
   KBUILD_EXTMOD ?= $(SUBDIRS)
 endif
-ifdef M
-  ifeq ("$(origin M)", "command line")
-    KBUILD_EXTMOD := $(M)
-  endif
-endif
 
+ifeq ("$(origin M)", "command line")
+  KBUILD_EXTMOD := $(M)
+endif
 
 # kbuild supports saving output files in a separate directory.
 # To locate output files in a separate directory two syntaxes are supported.
@@ -98,10 +92,8 @@ ifeq ($(KBUILD_SRC),)
 
 # OK, Make called in directory where kernel src resides
 # Do we want to locate output files in a separate directory?
-ifdef O
-  ifeq ("$(origin O)", "command line")
-    KBUILD_OUTPUT := $(O)
-  endif
+ifeq ("$(origin O)", "command line")
+  KBUILD_OUTPUT := $(O)
 endif
 
 # That's our default target when none is given on the command line
@@ -148,15 +140,13 @@ _all: modules
 endif
 
 srctree                := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
-TOPDIR         := $(srctree)
-# FIXME - TOPDIR is obsolete, use srctree/objtree
 objtree                := $(CURDIR)
 src            := $(srctree)
 obj            := $(objtree)
 
 VPATH          := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
 
-export srctree objtree VPATH TOPDIR
+export srctree objtree VPATH
 
 
 # SUBARCH tells the usermode build what the underlying arch is.  That is set
@@ -231,7 +221,7 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
 
 HOSTCC       = gcc
 HOSTCXX      = g++
-HOSTCFLAGS   = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
+HOSTCFLAGS   = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer
 HOSTCXXFLAGS = -O2
 
 # Decide whether to build built-in, modular, or both.
@@ -325,6 +315,7 @@ OBJCOPY             = $(CROSS_COMPILE)objcopy
 OBJDUMP                = $(CROSS_COMPILE)objdump
 AWK            = awk
 GENKSYMS       = scripts/genksyms/genksyms
+INSTALLKERNEL  := installkernel
 DEPMOD         = /sbin/depmod
 KALLSYMS       = scripts/kallsyms
 PERL           = perl
@@ -335,9 +326,10 @@ CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
 MODFLAGS       = -DMODULE
 CFLAGS_MODULE   = $(MODFLAGS)
 AFLAGS_MODULE   = $(MODFLAGS)
-LDFLAGS_MODULE  =
+LDFLAGS_MODULE  = -T $(srctree)/scripts/module-common.lds
 CFLAGS_KERNEL  =
 AFLAGS_KERNEL  =
+CFLAGS_GCOV    = -fprofile-arcs -ftest-coverage
 
 
 # Use LINUXINCLUDE when you must reference the include/ directory.
@@ -351,7 +343,9 @@ KBUILD_CPPFLAGS := -D__KERNEL__
 
 KBUILD_CFLAGS   := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
                   -fno-strict-aliasing -fno-common \
-                  -Werror-implicit-function-declaration
+                  -Werror-implicit-function-declaration \
+                  -Wno-format-security \
+                  -fno-delete-null-pointer-checks
 KBUILD_AFLAGS   := -D__ASSEMBLY__
 
 # Read KERNELRELEASE from include/config/kernel.release (if it exists)
@@ -360,11 +354,12 @@ KERNELVERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 
 export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION
 export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC
-export CPP AR NM STRIP OBJCOPY OBJDUMP MAKE AWK GENKSYMS PERL UTS_MACHINE
+export CPP AR NM STRIP OBJCOPY OBJDUMP
+export MAKE AWK GENKSYMS INSTALLKERNEL PERL UTS_MACHINE
 export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
 
 export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS
-export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE
+export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV
 export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
 
 # When compiling out-of-tree modules, put MODVERDIR in the module
@@ -384,6 +379,7 @@ export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn --exc
 PHONY += scripts_basic
 scripts_basic:
        $(Q)$(MAKE) $(build)=scripts/basic
+       $(Q)rm -f .tmp_quiet_recordmcount
 
 # To avoid any implicit rule to kick in, define an empty command.
 scripts/basic/%: scripts_basic ;
@@ -533,7 +529,7 @@ endif
 
 include $(srctree)/arch/$(SRCARCH)/Makefile
 
-ifneq (CONFIG_FRAME_WARN,0)
+ifneq ($(CONFIG_FRAME_WARN),0)
 KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN})
 endif
 
@@ -573,11 +569,14 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
 KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,)
 
 # disable invalid "can't wrap" optimizations for signed / pointers
-KBUILD_CFLAGS  += $(call cc-option,-fwrapv)
+KBUILD_CFLAGS  += $(call cc-option,-fno-strict-overflow)
 
 # revert to pre-gcc-4.4 behaviour of .eh_frame
 KBUILD_CFLAGS  += $(call cc-option,-fno-dwarf2-cfi-asm)
 
+# conserve stack if available
+KBUILD_CFLAGS   += $(call cc-option,-fconserve-stack)
+
 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
 # But warn user when we do so
 warn-assign = \
@@ -598,12 +597,12 @@ endif
 
 # Use --build-id when available.
 LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\
-                             $(call ld-option, -Wl$(comma)--build-id,))
+                             $(call cc-ldoption, -Wl$(comma)--build-id,))
 LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
 LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)
 
 ifeq ($(CONFIG_STRIP_ASM_SYMS),y)
-LDFLAGS_vmlinux        += -X
+LDFLAGS_vmlinux        += $(call ld-option, -X,)
 endif
 
 # Default kernel image to build when no specific target is given.
@@ -987,11 +986,6 @@ prepare0: archprepare FORCE
 # All the preparing..
 prepare: prepare0
 
-# Leave this as default for preprocessing vmlinux.lds.S, which is now
-# done in arch/$(ARCH)/kernel/Makefile
-
-export CPPFLAGS_vmlinux.lds += -P -C -U$(ARCH)
-
 # The asm symlink changes when $(ARCH) changes.
 # Detect this and ask user to run make mrproper
 # If asm is a stale symlink (point to dir that does not exist) remove it
@@ -1224,8 +1218,8 @@ clean: archclean $(clean-dirs)
                \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
                -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
                -o -name '*.symtypes' -o -name 'modules.order' \
-               -o -name 'Module.markers' -o -name '.tmp_*.o.*' \) \
-               -type f -print | xargs rm -f
+               -o -name 'Module.markers' -o -name '.tmp_*.o.*' \
+               -o -name '*.gcno' \) -type f -print | xargs rm -f
 
 # mrproper - Delete all generated files, including .config
 #
@@ -1429,8 +1423,8 @@ clean: $(clean-dirs)
        $(call cmd,rmfiles)
        @find $(KBUILD_EXTMOD) $(RCS_FIND_IGNORE) \
                \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
-               -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \) \
-               -type f -print | xargs rm -f
+               -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
+               -o -name '*.gcno' \) -type f -print | xargs rm -f
 
 help:
        @echo  '  Building external modules.'