diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 26 |
1 files changed, 18 insertions, 8 deletions
@@ -1,7 +1,7 @@ VERSION = 4 -PATCHLEVEL = 8 +PATCHLEVEL = 9 SUBLEVEL = 0 -EXTRAVERSION = +EXTRAVERSION = -rc3 NAME = Psychotic Stoned Sheep # *DOCUMENTATION* @@ -623,6 +623,11 @@ KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,) KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) +ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION +KBUILD_CFLAGS += $(call cc-option,-ffunction-sections,) +KBUILD_CFLAGS += $(call cc-option,-fdata-sections,) +endif + ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE KBUILD_CFLAGS += -Os else @@ -803,6 +808,10 @@ LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\ KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID) LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID) +ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION +LDFLAGS_vmlinux += $(call ld-option, --gc-sections,) +endif + ifeq ($(CONFIG_STRIP_ASM_SYMS),y) LDFLAGS_vmlinux += $(call ld-option, -X,) endif @@ -927,9 +936,6 @@ vmlinux_prereq: $(vmlinux-deps) FORCE ifdef CONFIG_HEADERS_CHECK $(Q)$(MAKE) -f $(srctree)/Makefile headers_check endif -ifdef CONFIG_BUILD_DOCSRC - $(Q)$(MAKE) $(build)=Documentation -endif ifdef CONFIG_GDB_SCRIPTS $(Q)ln -fsn `cd $(srctree) && /bin/pwd`/scripts/gdb/vmlinux-gdb.py endif @@ -942,9 +948,12 @@ endif include/generated/autoksyms.h: FORCE $(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh true -# Final link of vmlinux - cmd_link-vmlinux = $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) -quiet_cmd_link-vmlinux = LINK $@ +ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink) + +# Final link of vmlinux with optional arch pass after final link + cmd_link-vmlinux = \ + $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ; \ + $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) vmlinux: scripts/link-vmlinux.sh vmlinux_prereq $(vmlinux-deps) FORCE +$(call if_changed,link-vmlinux) @@ -1271,6 +1280,7 @@ $(clean-dirs): vmlinuxclean: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean + $(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean) clean: archclean vmlinuxclean |