diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 39 |
1 files changed, 34 insertions, 5 deletions
@@ -400,8 +400,10 @@ export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_ve # Files to ignore in find ... statements -RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS -o -name .pc -o -name .hg -o -name .git \) -prune -o -export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn --exclude CVS --exclude .pc --exclude .hg --exclude .git +RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ + -o -name .pc -o -name .hg -o -name .git \) -prune -o +export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ + --exclude CVS --exclude .pc --exclude .hg --exclude .git # =========================================================================== # Rules shared between *config targets and build targets @@ -564,6 +566,16 @@ else KBUILD_CFLAGS += -O2 endif +ifdef CONFIG_READABLE_ASM +# Disable optimizations that make assembler listings hard to read. +# reorder blocks reorders the control in the function +# ipa clone creates specialized cloned functions +# partial inlining inlines only parts of functions +KBUILD_CFLAGS += $(call cc-option,-fno-reorder-blocks,) \ + $(call cc-option,-fno-ipa-cp-clone,) \ + $(call cc-option,-fno-partial-inlining) +endif + include $(srctree)/arch/$(SRCARCH)/Makefile ifneq ($(CONFIG_FRAME_WARN),0) @@ -784,6 +796,10 @@ quiet_cmd_vmlinux_version = GEN .version quiet_cmd_sysmap = SYSMAP cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap +# Sort exception table at build time +quiet_cmd_sortextable = SORTEX + cmd_sortextable = $(objtree)/scripts/sortextable + # Link of vmlinux # If CONFIG_KALLSYMS is set .version is already updated # Generate System.map and verify that the content is consistent @@ -796,6 +812,12 @@ define rule_vmlinux__ $(call cmd,vmlinux__) $(Q)echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd + $(if $(CONFIG_BUILDTIME_EXTABLE_SORT), \ + $(Q)$(if $($(quiet)cmd_sortextable), \ + echo ' $($(quiet)cmd_sortextable) vmlinux' &&) \ + $(cmd_sortextable) vmlinux) + + $(Q)$(if $($(quiet)cmd_sysmap), \ echo ' $($(quiet)cmd_sysmap) System.map' &&) \ $(cmd_sysmap) $@ System.map; \ @@ -966,7 +988,7 @@ prepare3: include/config/kernel.release ifneq ($(KBUILD_SRC),) @$(kecho) ' Using $(srctree) as source for kernel' $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ - echo " $(srctree) is not clean, please run 'make mrproper'";\ + echo " $(srctree) is not clean, please run 'make mrproper'"; \ echo " in the '$(srctree)' directory.";\ /bin/false; \ fi; @@ -1003,8 +1025,8 @@ define filechk_utsrelease.h endef define filechk_version.h - (echo \#define LINUX_VERSION_CODE $(shell \ - expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \ + (echo \#define LINUX_VERSION_CODE $(shell \ + expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \ echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';) endef @@ -1471,6 +1493,13 @@ kernelrelease: kernelversion: @echo $(KERNELVERSION) +# Clear a bunch of variables before executing the submake +tools/: FORCE + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS= -C $(src)/tools/ + +tools/%: FORCE + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS= -C $(src)/tools/ $* + # Single targets # --------------------------------------------------------------------------- # Single targets are compatible with: |