kbuild: enable use of code from a different dir
To introduce support for source in one directory but output files in another directory during a non O= build prefix all paths with $(src) repsectively $(obj). Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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@@ -131,13 +131,13 @@ $(multi-objs-y:.o=.lst) : modname = $(modname-multi)
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quiet_cmd_cc_s_c = CC $(quiet_modtag) $@
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cmd_cc_s_c = $(CC) $(c_flags) -fverbose-asm -S -o $@ $<
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%.s: %.c FORCE
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$(obj)/%.s: $(src)/%.c FORCE
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$(call if_changed_dep,cc_s_c)
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quiet_cmd_cc_i_c = CPP $(quiet_modtag) $@
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cmd_cc_i_c = $(CPP) $(c_flags) -o $@ $<
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%.i: %.c FORCE
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$(obj)/%.i: $(src)/%.c FORCE
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$(call if_changed_dep,cc_i_c)
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quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@
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@@ -146,7 +146,7 @@ cmd_cc_symtypes_c = \
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| $(GENKSYMS) -T $@ >/dev/null; \
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test -s $@ || rm -f $@
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%.symtypes : %.c FORCE
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$(obj)/%.symtypes : $(src)/%.c FORCE
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$(call if_changed_dep,cc_symtypes_c)
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# C (.c) files
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@@ -198,14 +198,13 @@ define rule_cc_o_c
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endef
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# Built-in and composite module parts
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%.o: %.c FORCE
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$(obj)/%.o: $(src)/%.c FORCE
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$(call cmd,force_checksrc)
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$(call if_changed_rule,cc_o_c)
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# Single-part modules are special since we need to mark them in $(MODVERDIR)
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$(single-used-m): %.o: %.c FORCE
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$(single-used-m): $(obj)/%.o: $(src)/%.c FORCE
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$(call cmd,force_checksrc)
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$(call if_changed_rule,cc_o_c)
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@{ echo $(@:.o=.ko); echo $@; } > $(MODVERDIR)/$(@F:.o=.mod)
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@@ -215,7 +214,7 @@ quiet_cmd_cc_lst_c = MKLST $@
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$(CONFIG_SHELL) $(srctree)/scripts/makelst $*.o \
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System.map $(OBJDUMP) > $@
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%.lst: %.c FORCE
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$(obj)/%.lst: $(src)/%.c FORCE
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$(call if_changed_dep,cc_lst_c)
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# Compile assembler sources (.S)
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@@ -229,13 +228,13 @@ $(real-objs-m:.o=.s): modkern_aflags := $(AFLAGS_MODULE)
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quiet_cmd_as_s_S = CPP $(quiet_modtag) $@
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cmd_as_s_S = $(CPP) $(a_flags) -o $@ $<
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%.s: %.S FORCE
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$(obj)/%.s: $(src)/%.S FORCE
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$(call if_changed_dep,as_s_S)
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quiet_cmd_as_o_S = AS $(quiet_modtag) $@
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cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<
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%.o: %.S FORCE
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$(obj)/%.o: $(src)/%.S FORCE
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$(call if_changed_dep,as_o_S)
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targets += $(real-objs-y) $(real-objs-m) $(lib-y)
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@@ -246,7 +245,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(always)
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quiet_cmd_cpp_lds_S = LDS $@
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cmd_cpp_lds_S = $(CPP) $(cpp_flags) -D__ASSEMBLY__ -o $@ $<
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%.lds: %.lds.S FORCE
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$(obj)/%.lds: $(src)/%.lds.S FORCE
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$(call if_changed_dep,cpp_lds_S)
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# Build the compiled-in targets
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