23 lines
991 B
Makefile
23 lines
991 B
Makefile
# We prefix any global symbol in object files from SRC_NOLINK with 'rmpns_',
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# for this we add a 'rmpns_<source file>.o' to 'SRC_O' and perform a symbol
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# prefixing using an AWK script and object copy below which in turn creates the
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# prefixed object file. The rpmns files are linked into the library.
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SRC_NOLINK_OBJ = $(filter %.o,$(SRC_NOLINK:%.c=%.o) $(SRC_NOLINK:%.S=%.o))
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OBJ_PREFIX = $(addprefix rmpns_,$(SRC_NOLINK_OBJ))
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SRC_O += $(OBJ_PREFIX)
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PREFIX_AWK = '$$NF!~/^(rump|RUMP|__|_GLOBAL_OFFSET_TABLE)/ {s=$$NF;sub(/^/, "&rumpns_", s); print $$NF, s}'
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$(OBJ_PREFIX): $(SRC_NOLINK_OBJ) $(SRC_NOLINK)
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$(VERBOSE_MK)$(CUSTOM_NM) -go $(RUMP_LIB_BASE)/$(subst rmpns_,,$@) | awk $(PREFIX_AWK) \
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> $(RUMP_LIB_BASE)/_$@
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$(VERBOSE_MK)$(CUSTOM_OBJCOPY) --preserve-dates --redefine-syms $(RUMP_LIB_BASE)/_$@ \
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$(RUMP_LIB_BASE)/$(subst rmpns_,,$@) $(RUMP_LIB_BASE)/$@
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$(VERBOSE_MK)rm $(RUMP_LIB_BASE)/_$@
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-include $(SRC_NOLINK_OBJ:.o=.d)
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# vi:set ft=make :
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