Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
  kbuild: make KBUILD_NOCMDDEP=1 handle empty built-in.o
  scripts/kallsyms.c: fix potential segfault
  scripts/gen_initramfs_list.sh: Convert to a /bin/sh script
  kbuild: Fix GNU make v3.80 compatibility
  kbuild: Fix passing -Wno-* options to gcc 4.4+
  kbuild: move scripts/basic/docproc.c to scripts/docproc.c
  kbuild: Fix Makefile.asm-generic for um
  kbuild: Allow to combine multiple W= levels
  kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0
  Fix handling of backlash character in LINUX_COMPILE_BY name
  kbuild: asm-generic support
  kbuild: implement several W= levels
  kbuild: Fix build with binutils <= 2.19
  initramfs: Use KBUILD_BUILD_TIMESTAMP for generated entries
  kbuild: Allow to override LINUX_COMPILE_BY and LINUX_COMPILE_HOST macros
  kbuild: Drop unused LINUX_COMPILE_TIME and LINUX_COMPILE_DOMAIN macros
  kbuild: Use the deterministic mode of ar
  kbuild: Call gzip with -n
  kbuild: move KALLSYMS_EXTRA_PASS from Kconfig to Makefile
  Kconfig: improve KALLSYMS_ALL documentation

Fix up trivial conflict in Makefile
This commit is contained in:
Linus Torvalds
2011-05-24 13:31:37 -07:00
20 changed files with 285 additions and 106 deletions

View File

@ -51,36 +51,52 @@ ifeq ($(KBUILD_NOPEDANTIC),)
endif
#
# make W=1 settings
# make W=... settings
#
# $(call cc-option... ) handles gcc -W.. options which
# W=1 - warnings that may be relevant and does not occur too often
# W=2 - warnings that occur quite often but may still be relevant
# W=3 - the more obscure warnings, can most likely be ignored
#
# $(call cc-option, -W...) handles gcc -W.. options which
# are not supported by all versions of the compiler
ifdef KBUILD_ENABLE_EXTRA_GCC_CHECKS
KBUILD_EXTRA_WARNINGS := -Wextra
KBUILD_EXTRA_WARNINGS += -Wunused -Wno-unused-parameter
KBUILD_EXTRA_WARNINGS += -Waggregate-return
KBUILD_EXTRA_WARNINGS += -Wbad-function-cast
KBUILD_EXTRA_WARNINGS += -Wcast-qual
KBUILD_EXTRA_WARNINGS += -Wcast-align
KBUILD_EXTRA_WARNINGS += -Wconversion
KBUILD_EXTRA_WARNINGS += -Wdisabled-optimization
KBUILD_EXTRA_WARNINGS += -Wlogical-op
KBUILD_EXTRA_WARNINGS += -Wmissing-declarations
KBUILD_EXTRA_WARNINGS += -Wmissing-format-attribute
KBUILD_EXTRA_WARNINGS += $(call cc-option, -Wmissing-include-dirs,)
KBUILD_EXTRA_WARNINGS += -Wmissing-prototypes
KBUILD_EXTRA_WARNINGS += -Wnested-externs
KBUILD_EXTRA_WARNINGS += -Wold-style-definition
KBUILD_EXTRA_WARNINGS += $(call cc-option, -Woverlength-strings,)
KBUILD_EXTRA_WARNINGS += -Wpacked
KBUILD_EXTRA_WARNINGS += -Wpacked-bitfield-compat
KBUILD_EXTRA_WARNINGS += -Wpadded
KBUILD_EXTRA_WARNINGS += -Wpointer-arith
KBUILD_EXTRA_WARNINGS += -Wredundant-decls
KBUILD_EXTRA_WARNINGS += -Wshadow
KBUILD_EXTRA_WARNINGS += -Wswitch-default
KBUILD_EXTRA_WARNINGS += $(call cc-option, -Wvla,)
KBUILD_CFLAGS += $(KBUILD_EXTRA_WARNINGS)
warning- := $(empty)
warning-1 := -Wextra -Wunused -Wno-unused-parameter
warning-1 += -Wmissing-declarations
warning-1 += -Wmissing-format-attribute
warning-1 += -Wmissing-prototypes
warning-1 += -Wold-style-definition
warning-1 += $(call cc-option, -Wmissing-include-dirs)
warning-1 += $(call cc-option, -Wunused-but-set-variable)
warning-2 := -Waggregate-return
warning-2 += -Wcast-align
warning-2 += -Wdisabled-optimization
warning-2 += -Wnested-externs
warning-2 += -Wshadow
warning-2 += $(call cc-option, -Wlogical-op)
warning-3 := -Wbad-function-cast
warning-3 += -Wcast-qual
warning-3 += -Wconversion
warning-3 += -Wpacked
warning-3 += -Wpadded
warning-3 += -Wpointer-arith
warning-3 += -Wredundant-decls
warning-3 += -Wswitch-default
warning-3 += $(call cc-option, -Wpacked-bitfield-compat)
warning-3 += $(call cc-option, -Wvla)
warning := $(warning-$(findstring 1, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
warning += $(warning-$(findstring 2, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
warning += $(warning-$(findstring 3, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
ifeq ("$(strip $(warning))","")
$(error W=$(KBUILD_ENABLE_EXTRA_GCC_CHECKS) is unknown)
endif
KBUILD_CFLAGS += $(warning)
endif
include scripts/Makefile.lib
@ -351,7 +367,7 @@ quiet_cmd_link_o_target = LD $@
cmd_link_o_target = $(if $(strip $(obj-y)),\
$(LD) $(ld_flags) -r -o $@ $(filter $(obj-y), $^) \
$(cmd_secanalysis),\
rm -f $@; $(AR) rcs $@)
rm -f $@; $(AR) rcs$(KBUILD_ARFLAGS) $@)
$(builtin-target): $(obj-y) FORCE
$(call if_changed,link_o_target)
@ -377,7 +393,7 @@ $(modorder-target): $(subdir-ym) FORCE
#
ifdef lib-target
quiet_cmd_link_l_target = AR $@
cmd_link_l_target = rm -f $@; $(AR) rcs $@ $(lib-y)
cmd_link_l_target = rm -f $@; $(AR) rcs$(KBUILD_ARFLAGS) $@ $(lib-y)
$(lib-target): $(lib-y) FORCE
$(call if_changed,link_l_target)