genode/base/mk/generic.mk
2011-12-23 14:04:29 +01:00

86 lines
2.3 KiB
Makefile

#
# Generic rules to build file types from other file types and other
# common functionaly that is needed to build library or program targets.
#
#
# Collect object files and avoid duplicates (by using 'sort')
#
SRC_O += $(addprefix binary_,$(addsuffix .o,$(notdir $(SRC_BIN))))
SRC = $(sort $(SRC_C) $(SRC_CC) $(SRC_ADA) $(SRC_S) $(SRC_O))
OBJECTS = $(addsuffix .o,$(basename $(SRC)))
#
# Create sub directories for objects files corresponding to the sub directories
# of their respective source files
#
SUB_DIRS = $(sort $(dir $(OBJECTS)))
ifneq ($(SUB_DIRS),./)
$(OBJECTS): $(filter-out $(wildcard $(SUB_DIRS)), $(SUB_DIRS))
endif
.PHONY: $(SUB_DIRS)
$(SUB_DIRS):
$(VERBOSE)mkdir -p $@
#
# Make sure, that we rebuild object files after Makefile changes
#
$(wildcard $(OBJECTS)): $(filter-out $(LIB_PROGRESS_LOG),$(MAKEFILE_LIST))
INCLUDES := $(addprefix -I,$(wildcard $(ALL_INC_DIR)))
#
# Include dependency files for the corresponding object files except
# when cleaning
#
ifneq ($(filter-out $(MAKECMDGOALS),clean),)
-include $(OBJECTS:.o=.d)
endif
%.o: %.c
$(MSG_COMP)$@
$(VERBOSE)$(CC) $(CC_DEF) $(CC_C_OPT) $(INCLUDES) -c $< -o $@
%.o: %.cc
$(MSG_COMP)$@
$(VERBOSE)$(CXX) $(CXX_DEF) $(CC_CXX_OPT) $(INCLUDES) -c $< -o $@
%.o: %.cpp
$(MSG_COMP)$@
$(VERBOSE)$(CXX) $(CXX_DEF) $(CC_CXX_OPT) $(INCLUDES) -c $< -o $@
%.o: %.s
$(MSG_ASSEM)$@
$(VERBOSE)$(CC) $(CC_DEF) $(CC_C_OPT) $(INCLUDES) -c $< -o $@
#
# Compiling Ada source codes
#
%.o: %.adb
$(MSG_COMP)$@
$(VERBOSE)gnatmake -q -c $(CC_ADA_OPT) $(INCLUDES) $<
#
# Assembler files that must be preprocessed are fed to the C compiler.
#
%.o: %.S
$(MSG_COMP)$@
$(VERBOSE)$(CC) $(CC_DEF) $(CC_OPT) -D__ASSEMBLY__ $(INCLUDES) -c $< -o $@
#
# Link binary data
#
# We transform binary data into an object file by using the 'incbin' directive
# of the GNU assembler. This enables us to choose a any label for the binary
# data (in contrast to 'ld -r -oformat default -b binary', which generates the
# label from the input path name) and to align the binary data as required on
# some architectures (e.g., ARM).
#
symbol_name = _binary_$(subst -,_,$(subst .,_,$(subst binary_,,$(subst .o,,$(notdir $@)))))
binary_%.o: %
$(MSG_CONVERT)$@
$(VERBOSE)echo ".global $(symbol_name)_start, $(symbol_name)_end; .data; .align 4; $(symbol_name)_start:; .incbin \"$<\"; $(symbol_name)_end:" |\
$(AS) $(AS_OPT) -f -o $@ -