diff options
Diffstat (limited to 'kernel/Makefile')
| -rw-r--r-- | kernel/Makefile | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/kernel/Makefile b/kernel/Makefile index 638a2f6c341c..c63c8eab0f08 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_PM) += power/ obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o obj-$(CONFIG_COMPAT) += compat.o obj-$(CONFIG_IKCONFIG) += configs.o +obj-$(CONFIG_IKCONFIG_PROC) += configs.o ifneq ($(CONFIG_IA64),y) # According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is @@ -28,12 +29,32 @@ ifneq ($(CONFIG_IA64),y) CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer endif +# configs.o uses generated files - dependecies must be listed explicitly +$(obj)/configs.o: $(obj)/ikconfig.h + +ifdef CONFIG_IKCONFIG_PROC +$(obj)/configs.o: $(obj)/config_data.h +endif + +# ikconfig.h contains all the selected config entries - generated +# from top-level Makefile and .config. Info from ikconfig.h can +# be extracted from the kernel binary. + quiet_cmd_ikconfig = IKCFG $@ cmd_ikconfig = $(CONFIG_SHELL) $< .config $(srctree)/Makefile > $@ targets += ikconfig.h - $(obj)/ikconfig.h: scripts/mkconfigs .config Makefile FORCE $(call if_changed,ikconfig) -$(obj)/configs.o: $(obj)/ikconfig.h +# config_data.h contains the same information as ikconfig.h but gzipped. +# Info from config_data can be extracted from /proc/config* +targets += config_data.gz +$(obj)/config_data.gz: .config FORCE + $(call if_changed,gzip) + +quiet_cmd_ikconfiggz = IKCFG $@ + cmd_ikconfiggz = cat $< | scripts/bin2c kernel_config_data > $@ +targets += config_data.h +$(obj)/config_data.h: $(obj)/config_data.gz FORCE + $(call if_changed,ikconfiggz) |