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# generate objects from sources
# arg 1: target.SRCS
# arg 2: object suffix prefix
# returns: target.OBJS
objects = $(foreach f,$($1),$(addsuffix $2.o,$(basename $f)))
# generate depends from .S .c .cpp sources
# arg 1: target.SRCS
# arg 2: dependency suffix prefix
# returns: target.DEPS
depends = $(foreach f,$(filter %.S %.c %.cpp,$($1)),$(addsuffix $2.d,$(basename $f)))
# default target
all: targets
# TARGETBIN: binaries using the target architecture
$(foreach T,${TARGETBIN},\
$(eval $T.OBJS += $(call objects,$T.SRCS,_${ARCH}) ) \
$(eval $T.DEPS += $(call depends,$T.SRCS,_${ARCH}) ) \
$(eval include $($T.DEPS) ) \
$(eval $T.elf: ${$T.OBJS} ) \
$(eval DEFAULT_TARGETS += $T.elf) \
)
# TARGETLIB: static libraries using the target architecture
$(foreach T,${TARGETLIB},\
$(eval $T.OBJS += $(call objects,$T.SRCS,_${ARCH}) ) \
$(eval $T.DEPS += $(call depends,$T.SRCS,_${ARCH}) ) \
$(eval include $($T.DEPS) ) \
$(eval $T.a: ${$T.OBJS} ) \
$(eval DEFAULT_TARGETS += $T.a) \
)
# HOSTTARGETBIN: binaries using the host compiler
$(foreach T,${HOSTTARGETBIN},\
$(eval $T.OBJS += $(call objects,$T.SRCS,) ) \
$(eval $T.DEPS += $(call depends,$T.SRCS,) ) \
$(eval include $($T.DEPS) ) \
$(eval $T: ${$T.OBJS}; @echo ' LD HOST $T'; ${HOST_CC} ${HOST_LDFLAGS} -o $T ${$T.OBJS} ) \
$(eval DEFAULT_TARGETS += $T) \
)
TESTS.DEPS = $(foreach F,${TESTS},$(addsuffix .d,$F))
include ${TESTS.DEPS}
debug:
@echo "TARGETBIN ${TARGETBIN}"
@echo "TARGETLIB ${TARGETLIB}"
@echo "HOSTTARGETBIN ${HOSTTARGETBIN}"
@echo "HOSTTARGETLIB ${HOSTTARGETLIB}"
@echo "DEFAULT_TARGETS ${DEFAULT_TARGETS}"
@echo "TESTS ${TESTS}"
@echo " DEPS ${TESTS.DEPS}"
%.info:
@echo "Target: $(basename $@)"
@echo " SRCS: ${$(basename $@).SRCS}"
@echo " OBJS: ${$(basename $@).OBJS}"
@echo " DEPS: ${$(basename $@).DEPS}"
targets: ${DEFAULT_TARGETS}
@echo " -> Built ${DEFAULT_TARGETS}"
# extra flags
${ARCH}_CFLAGS += -I../lib/libk \
-Werror=implicit-function-declaration
${ARCH}_CXXFLAGS += -I../lib/libk -Drestrict=__restrict__
# Target depndency rules
%_${ARCH}.d: %.S
@${${ARCH}_CC} ${${ARCH}_CFLAGS} -M -MT $(<:.S=_${ARCH}.o) $< -MF $@
%_${ARCH}.d: %.c
@${${ARCH}_CC} ${${ARCH}_CFLAGS} -M -MT $(<:.c=_${ARCH}.o) $< -MF $@
%_${ARCH}.d: %.cpp
@${${ARCH}_CXX} ${${ARCH}_CXXFLAGS} -M -MT $(<:.cpp=_${ARCH}.o) $< -MF $@
# Host dependency rules
%.d: %.c
@${HOST_CC} ${HOST_CFLAGS} -M -MT $(<:.c=.o) $< -MF $@
%.d: %.cc
@${HOST_CXX} ${HOST_CXXFLAGS} -M -MT $(<:.cc=) $< -MF $@
# Target suffix rules
%.a:
@echo ' AR $@'
@${${ARCH}_AR} ${${ARCH}_ARFLAGS} $@ $(filter %.o,$^)
%_${ARCH}.o: %.s
@echo ' AS $<'
@${${ARCH}_AS} ${${ARCH}_ASFLAGS} -c -o $@ $<
%_${ARCH}.o: %.S
@echo ' CC $<'
@${${ARCH}_CC} ${${ARCH}_CFLAGS} -c -o $@ $<
%_${ARCH}.o: %.c
@echo ' CC $<'
@${${ARCH}_CC} ${${ARCH}_CFLAGS} -c -o $@ $<
%_${ARCH}.o: %.cpp
@echo ' CXX $<'
@${${ARCH}_CXX} ${${ARCH}_CXXFLAGS} -c -o $@ $<
%.elf:
@echo ' LD $@'
@${${ARCH}_LD} ${${ARCH}_LDFLAGS} -o $@ $^
@echo -n ' B2b '
@b2sum $@ | cut -d' ' -f1
# Host suffix rules
%.o: %.c
@echo ' CC HOST $<'
@${HOST_CC} ${HOST_CFLAGS} -c -o $@ $<
# test rules
test_%: test_%.cc
@echo ' CXX TEST $@'
@${HOST_CXX} ${HOST_CXXFLAGS} $< -o $@
.PHONY: test.base valgrind.base clean.base FORCE
test.base: ${TESTS}
@echo " -> Running tests in $(shell pwd | xargs basename)"
@$(foreach f,$^,echo " -> $f"; ./$f &&) echo "Done"
valgrind.base: ${TESTS}
@echo " -> Running valgrind on tests in $(shell pwd | xargs basename)"
@$(foreach f,$^,echo " -> $f"; valgrind --leak-check=full ./$f;)
clean.base: FORCE
@echo " -> Cleaning $(shell pwd | xargs basename)"
@$(foreach V,$(filter %.OBJS, ${.VARIABLES}), rm -rf $($(V)))
@$(foreach V,$(filter %.DEPS, ${.VARIABLES}), rm -rf $($(V)))
@rm -rf *.a
@rm -rf ${TESTS}
%: %.base ;
FORCE: ;
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