makefile.rules

一个linux下rs485驱动程序的源代码

#	#include <linux/module.h>@\
#	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,5))@\
#	#include <linux/vermagic.h>@\
#	#include <linux/compiler.h>@\
#	@\
#	MODULE_INFO(vermagic, VERMAGIC_STRING);@\
#	@\
#	#undef unix@\
#	struct module __this_module@\
#	__attribute__((section(\".gnu.linkonce.this_module\"))) = {@\
#	 .name = __stringify(KBUILD_MODNAME),@\
#	 .init = init_module,@\
#	#ifdef CONFIG_MODULE_UNLOAD@\
#	 .exit = cleanup_module,@\
#	#endif@\
#	};@\
#	#endif@\
#	" | tr @ \\n >$$@ 
   

#$(eval $(call COMPILE_c_o_kern_template,$(1).mod.c,$(1).mod.o,-DKBUILD_MODNAME=$(1)))

$(2)/$(1)$(KERN_LINK_SUFFIX): $$($(1)_OBJS)
	@$(QUIET_CMD_ECHO) "  LD [K]  $$@"
	$(Q) $$(KERN_LD) $$(KERN_LDFLAGS) -r $$($(1)_OBJS) -L$$(kern_GCCLIB_DIR) $$($(1)_LIBS:%=-l%) $$(KERN_LOADLIBES) -Map $(KERN_OBJS_DIR)/$(1).mod.map -o $$@
	@echo "$(2)/$(1)$(KERN_LINK_SUFFIX): \\" >$(KERN_OBJS_DIR)/$(1).mod.d
	@sed -n -e 's/^LOAD \(.*\)$$$$/  \1  \\/p' $(KERN_OBJS_DIR)/$(1).mod.map  >>$(KERN_OBJS_DIR)/$(1).mod.d
	@echo >>$(KERN_OBJS_DIR)/$(1).mod.d
	@if [ "$(KERN_EXE_SUFFIX)" == ".ko" ] ; then \
	  echo $(1) >>$(KERN_MODPOST_DIR)/module-changes ; \
	  echo $(1) >>$(KERN_MODPOST_DIR)/$(1).mod.stamp ; \
	fi

endef



define LIBRARY_kern_template
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
$(1)_OBJS := $$(sort $$($(1)_OBJS))

KERN_OBJS  += $$($(1)_OBJS)
KERN_SOURCES += $$($(1)_SOURCES)

$(KERN_LIB_DIR)/lib$(1).a: $$($(1)_OBJS)
	@$(QUIET_CMD_ECHO) "  AR [K]  $$@"
	$(Q) $(KERN_AR) rcs $$@ $$^
endef


ifdef LINUX_DIR

kernel-lib-pass-local: $(kernel_LIBRARIES:%=$(KERN_LIB_DIR)/lib%.a)

kernel-mod-pass-local: $(kernel_MODULES:%=$(KERN_MODULES_LINK_DIR)/%$(KERN_LINK_SUFFIX))

$(foreach module,$(kernel_MODULES),$(eval $(call MODULE_kern_template,$(module),$(KERN_MODULES_LINK_DIR))))

$(foreach lib,$(kernel_LIBRARIES),$(eval $(call LIBRARY_kern_template,$(lib))))

endif


ifeq ($(CONFIG_RTLINUX),y)

kernel-mod-pass-local: $(rtlinux_MODULES:%=$(KERN_MODULES_LINK_DIR)/%$(KERN_LINK_SUFFIX))

kernel-lib-pass-local: $(rtlinux_LIBRARIES:%=$(KERN_LIB_DIR)/lib%.a)

$(foreach module,$(rtlinux_MODULES),$(eval $(call MODULE_kern_template,$(module),$(KERN_MODULES_LINK_DIR))))

$(foreach lib,$(rtlinux_LIBRARIES),$(eval $(call LIBRARY_kern_template,$(lib))))

endif

ifeq ($(KERN_MODPOST_PASS),y)

MODULES_LIST :=	$(wildcard *.mod.stamp)
MODULES_LIST := $(MODULES_LIST:%.mod.stamp=%)

define MODPOST_kern_template
$(2) : $(1)$(KERN_LINK_SUFFIX) $(1).mod.c
	@$(QUIET_CMD_ECHO) "  LD [M]  $$@"
	$(Q) $$(cc_o_kern_COMPILE) -D"KBUILD_BASENAME=$(KERN_MQ)$(1)$(KERN_MQ)" \
		-D"KBUILD_MODNAME=$(KERN_MQ)$(1)$(KERN_MQ)" \
		-o $(1).mod.o -c $(1).mod.c
	$(Q) $$(KERN_LD) $$(KERN_LDFLAGS) $(1)$(KERN_LINK_SUFFIX) $(1).mod.o -r -o $$@
endef

kernel-modpost-versions: $(wildcard $(LINUX_DIR)/Module.symvers)
	@$(QUIET_CMD_ECHO) "  MODPOST    $(KERN_MODPOST_DIR)"
	@echo  >$(KERN_MODPOST_DIR)/modpost-running
	@rm -f $(KERN_MODPOST_DIR)/module-changes
	$(Q) $(KERN_MODPOST) $(MODULES_LIST:%=%$(KERN_LINK_SUFFIX)) $(^:%=-i %)

$(MODULES_LIST:%=%.mod.c) : kernel-modpost-versions

kernel-modpost-pass-local: $(MODULES_LIST:%=$(KERN_MODULES_DIR)/%$(KERN_EXE_SUFFIX))
	@rm -f $(KERN_MODPOST_DIR)/modpost-running

$(foreach module,$(MODULES_LIST),$(eval $(call MODPOST_kern_template,$(module),$(module:%=$(KERN_MODULES_DIR)/%$(KERN_EXE_SUFFIX)))))

endif

-include $(KERN_OBJS_DIR)/*.d

endif

#=====================================================================


kernel-lib-pass:
	+@$(foreach dir, $(SUBDIRS), $(call mkdir_def,$(KERN_OBJS_DIR)/$(dir)) ; \
		$(MAKE) SOURCES_DIR=$(SOURCES_DIR)/$(dir) \
		RELATIVE_DIR=$(RELATIVE_PREFIX)$(dir) -C $(KERN_OBJS_DIR)/$(dir) \
		-f $(SOURCES_DIR)/$(dir)/Makefile $@ || exit 1 ;)
	+@$(call mkdir_def,$(KERN_OBJS_DIR))
	+@if [ -n "$(kernel_LIBRARIES)$(rtlinux_LIBRARIES)" ] ; \
	then \
	    $(MAKE) --no-print-directory -C $(KERN_OBJS_DIR) \
		-f $(SOURCES_DIR)/Makefile KERN_RULE_TEMPLATES=y $(@:%=%-local) ; \
	fi

kernel-mod-pass:
	+@$(foreach dir, $(SUBDIRS), $(call mkdir_def,$(KERN_OBJS_DIR)/$(dir)) ; \
		$(MAKE) SOURCES_DIR=$(SOURCES_DIR)/$(dir) \
		RELATIVE_DIR=$(RELATIVE_PREFIX)$(dir) -C $(KERN_OBJS_DIR)/$(dir) \
		-f $(SOURCES_DIR)/$(dir)/Makefile $@ || exit 1 ;)
	+@$(call mkdir_def,$(KERN_OBJS_DIR))
	+@if [ -n "$(kernel_MODULES)$(rtlinux_MODULES)" ] ; \
	then \
	    $(MAKE) --no-print-directory -C $(KERN_OBJS_DIR) \
		-f $(SOURCES_DIR)/Makefile KERN_RULE_TEMPLATES=y $(@:%=%-local) ; \
	fi

kernel-modpost-pass:
	+@if [ -e "$(KERN_MODPOST_DIR)/module-changes" -o -e "$(KERN_MODPOST_DIR)/modpost-running" ] ; \
	then \
	    $(MAKE) --no-print-directory -C $(KERN_MODPOST_DIR) \
	       -f $(SOURCES_DIR)/Makefile KERN_RULE_TEMPLATES=y KERN_MODPOST_PASS=y $(@:%=%-local) ; \
	fi

library-pass binary-pass utils-pass:
	+@$(foreach dir, $(SUBDIRS), $(call mkdir_def,$(USER_OBJS_DIR)/$(dir)) ; \
		$(MAKE) SOURCES_DIR=$(SOURCES_DIR)/$(dir) \
		RELATIVE_DIR=$(RELATIVE_PREFIX)$(dir) -C $(USER_OBJS_DIR)/$(dir) \
		-f $(SOURCES_DIR)/$(dir)/Makefile $@ || exit 1 ;)
	+@$(foreach dir, $(QT_SUBDIRS), $(call mkdir_def,$(USER_OBJS_DIR)/$(dir)) ; \
		if [ "$@" != "binary-pass" ] ; then exit 0 ; fi ; \
		if [ ! -e $(SOURCES_DIR)/$(dir)/Makefile ] ; then  \
		( cd $(SOURCES_DIR)/$(dir) ; $$QTDIR/bin/qmake TOP_DIR=$(MAKERULES_DIR) \
		     RELATIVE_DIR=$(RELATIVE_PREFIX)$(dir) QTDIR=$(QTDIR) CC=$(CC) \
		     CXX=$(CXX) || exit 1 ;) ; fi ; \
		$(MAKE) SOURCES_DIR=$(SOURCES_DIR)/$(dir) \
		RELATIVE_DIR=$(RELATIVE_PREFIX)$(dir) -C $(SOURCES_DIR)/$(dir) \
		-f $(SOURCES_DIR)/$(dir)/Makefile || exit 1 ;)
	+@$(call mkdir_def,$(USER_OBJS_DIR))
	@$(MAKE) --no-print-directory -C $(USER_OBJS_DIR) \
		-f $(SOURCES_DIR)/Makefile USER_RULE_TEMPLATES=y $(@:%=%-local)


dep clean install check-dir include-pass default-config-pass:
	+@$(foreach dir, $(SUBDIRS), $(call mkdir_def,$(USER_OBJS_DIR)/$(dir)) ; \
		$(MAKE) SOURCES_DIR=$(SOURCES_DIR)/$(dir) \
		RELATIVE_DIR=$(RELATIVE_PREFIX)$(dir) -C $(USER_OBJS_DIR)/$(dir) \
		-f $(SOURCES_DIR)/$(dir)/Makefile $@ || exit 1 ;)
	+@$(call mkdir_def,$(USER_OBJS_DIR))
	@$(MAKE) --no-print-directory -C $(USER_OBJS_DIR) \
		-f $(SOURCES_DIR)/Makefile $(@:%=%-local)


dep-local:

check-dir-local:
	@$(call mkdir_def,$(USER_OBJS_DIR))
	@$(call mkdir_def,$(KERN_OBJS_DIR))
	@$(call mkdir_def,$(USER_INCLUDE_DIR))
	@$(call mkdir_def,$(KERN_INCLUDE_DIR))
	@$(call mkdir_def,$(USER_LIB_DIR))
	@$(call mkdir_def,$(KERN_LIB_DIR))
	@$(call mkdir_def,$(USER_BIN_DIR))
	@$(call mkdir_def,$(USER_UTILS_DIR))
	@$(call mkdir_def,$(KERN_MODULES_DIR))
	@$(call mkdir_def,$(KERN_MODPOST_DIR))

install-local:

default-config:
	@echo "# Start of OMK config file" > "$(CONFIG_FILE)-default"
	@echo "# This file should not be altered manually" >> "$(CONFIG_FILE)-default"
	@echo "# Overrides should be stored in file $(notdir $(CONFIG_FILE))" >> "$(CONFIG_FILE)-default"
	@echo >> "$(CONFIG_FILE)-default"
	@$(MAKE) --no-print-directory -C $(MAKERULES_DIR) \
		RELATIVE_DIR="" SOURCES_DIR=$(MAKERULES_DIR) \
		-f $(MAKERULES_DIR)/Makefile default-config-pass

default-config-pass-local:
	@echo Default config for $(RELATIVE_DIR)
	@echo "# Config for $(RELATIVE_DIR)" >> "$(CONFIG_FILE)-default"
	@$(foreach x, $(default_CONFIG), echo '$(x)' | \
		sed -e 's/^[^=]*=x$$/#\0/' >> "$(CONFIG_FILE)-default" ; )

include-pass-local: $(addprefix $(USER_INCLUDE_DIR)/,$(config_include_HEADERS))
	@$(call mkdir_def,$(USER_INCLUDE_DIR))
	@$(foreach f, $(include_HEADERS), cmp --quiet $(SOURCES_DIR)/$(f) $(USER_INCLUDE_DIR)/$(notdir $(f)) \
	   || cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$(f) $(USER_INCLUDE_DIR)/$(notdir $(f)) || exit 1 ; )
	@$(foreach f, $(nobase_include_HEADERS), cmp --quiet $(SOURCES_DIR)/$(f) $(USER_INCLUDE_DIR)/$(f) \
	   || ( mkdir -p $(USER_INCLUDE_DIR)/$(dir $(f)) && cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$(f) $(USER_INCLUDE_DIR)/$(f) ) || exit 1 ; )
	@$(foreach f, $(renamed_include_HEADERS), \
	   srcfname=`echo '$(f)' | sed -e 's/^\(.*\)->.*$$/\1/'` ; destfname=`echo '$(f)' | sed -e 's/^.*->\(.*\)$$/\1/'` ; \
	   cmp --quiet $(SOURCES_DIR)/$${srcfname} $(USER_INCLUDE_DIR)/$${destfname} \
	   || ( mkdir -p `dirname $(USER_INCLUDE_DIR)/$${destfname}` && cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$${srcfname} $(USER_INCLUDE_DIR)/$${destfname} ) || exit 1 ; )
# Kernel and RT-Linux stuff
	@$(call mkdir_def,$(KERN_INCLUDE_DIR))
	@$(foreach f, $(kernel_HEADERS) $(rtlinux_HEADERS), cmp --quiet $(SOURCES_DIR)/$(f) $(KERN_INCLUDE_DIR)/$(notdir $(f)) \
	   || cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$(f) $(KERN_INCLUDE_DIR)/$(notdir $(f)) || exit 1 ; )
	@$(foreach f, $(nobase_kernel_HEADERS) $(nobase_rtlinux_HEADERS), cmp --quiet $(SOURCES_DIR)/$(f) $(KERN_INCLUDE_DIR)/$(f) \
	   || ( mkdir -p $(KERN_INCLUDE_DIR)/$(dir $(f)) && cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$(f) $(KERN_INCLUDE_DIR)/$(f) ) || exit 1 ; )
	@$(foreach f, $(renamed_kernel_HEADERS) $(renamed_rtlinux_HEADERS), \
	   srcfname=`echo '$(f)' | sed -e 's/^\(.*\)->.*$$/\1/'` ; destfname=`echo '$(f)' | sed -e 's/^.*->\(.*\)$$/\1/'` ; \
	   cmp --quiet $(SOURCES_DIR)/$${srcfname} $(KERN_INCLUDE_DIR)/$${destfname} \
	   || ( mkdir -p `dirname $(KERN_INCLUDE_DIR)/$${destfname}` && cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$${srcfname} $(KERN_INCLUDE_DIR)/$${destfname} ) || exit 1 ; )

ifdef USER_RULE_TEMPLATES

# User-space static libraries and applications object files

USER_SOURCES := $(sort $(USER_SOURCES))

USER_GEN_SOURCES := $(sort $(USER_GEN_SOURCES))

#$(warning USER_SOURCES = $(USER_SOURCES))

$(foreach src,$(filter %.c,$(USER_SOURCES)),$(eval $(call COMPILE_c_o_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.o),)))

$(foreach src,$(filter %.cc,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.o),)))

$(foreach src,$(filter %.cxx,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.o),)))

$(foreach src,$(filter %.c,$(USER_GEN_SOURCES)),$(eval $(call COMPILE_c_o_template,$(src),$(src:%.c=%.o),)))

# User-space shared libraries object files

SOLIB_SOURCES := $(sort $(SOLIB_SOURCES))

SOLIB_GEN_SOURCES := $(sort $(SOLIB_GEN_SOURCES))

#$(warning SOLIB_SOURCES = $(SOLIB_SOURCES))
#$(warning SOLIB_GEN_SOURCES = $(SOLIB_GEN_SOURCES))

$(foreach src,$(filter %.c,$(SOLIB_SOURCES)),$(eval $(call COMPILE_c_o_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.lo),$(SOLIB_PICFLAGS))))

$(foreach src,$(filter %.cc,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.lo),$(SOLIB_PICFLAGS))))

$(foreach src,$(filter %.cxx,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.lo),$(SOLIB_PICFLAGS))))

$(foreach src,$(filter %.c,$(SOLIB_GEN_SOURCES)),$(eval $(call COMPILE_c_o_template,$(src),$(src:%.c=%.lo),$(SOLIB_PICFLAGS))))

# IDL compilation

USER_IDLS := $(sort $(USER_IDLS))

$(foreach src,$(filter %.idl,$(USER_IDLS)),$(eval $(call COMPILE_idl_template,$(SOURCES_DIR)/$(src),$(src:%.idl=%))))

endif

ifdef KERN_RULE_TEMPLATES

KERN_SOURCES := $(sort $(KERN_SOURCES))

#$(warning KERN_SOURCES = $(KERN_SOURCES))

$(foreach src,$(filter %.c,$(KERN_SOURCES)),$(eval $(call COMPILE_c_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.o),)))

$(foreach src,$(filter %.cc,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.o),)))

$(foreach src,$(filter %.cxx,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.o),)))

endif

# Special rules for configuration exported headers

$(foreach confh,$(config_include_HEADERS),$(eval $(call BUILD_CONFIG_H_template,$(addprefix $(USER_INCLUDE_DIR)/,$(confh)),$(basename $(notdir $(confh)))_DEFINES,\
_$(basename $(notdir $(confh)))_H \
)))


clean-local: clean-custom
	@echo Cleaning in $(KERN_OBJS_DIR) and $(USER_OBJS_DIR)
	@rm -f $(KERN_OBJS_DIR)/*.o $(USER_OBJS_DIR)/*.o $(USER_OBJS_DIR)/*.lo \
	       $(KERN_OBJS_DIR)/*.d $(USER_OBJS_DIR)/*.d \
	       $(KERN_OBJS_DIR)/*.map $(USER_OBJS_DIR)/*.map \
	       $(KERN_OBJS_DIR)/*.mod.c \
	       $(kernel_MODULES:%=$(KERN_MODPOST_DIR)/%.*) \
	       $(LOCAL_CONFIG_H:%=$(KERN_OBJS_DIR)/%) \
	       $(LOCAL_CONFIG_H:%=$(USER_OBJS_DIR)/%)
	@if [ -e $(KERN_LIB_DIR)/kernel.mk ] ; then \
	    touch -t 200001010101 $(KERN_LIB_DIR)/kernel.mk ; \
	fi
	@$(foreach confh,$(addprefix $(USER_INCLUDE_DIR)/,$(config_include_HEADERS)),\
	    if [ -e $(confh) ] ; then touch -t 200001010101 $(confh) ; fi ; \
	)