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kbuild: enable use of code from a different dir

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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>
This commit is contained in:
Sam Ravnborg 2007-05-06 09:23:45 +02:00
parent 5447d34b08
commit 767e581d75
2 changed files with 16 additions and 17 deletions
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19
scripts/Makefile.build
View file

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

14
scripts/Makefile.host
View file

@ -114,7 +114,7 @@ hostcxx_flags = -Wp,-MD,$(depfile) $(__hostcxx_flags)
quiet_cmd_host-csingle = HOSTCC $@
cmd_host-csingle = $(HOSTCC) $(hostc_flags) -o $@ $< \
$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
$(host-csingle): %: %.c FORCE
$(host-csingle): $(obj)/%: $(src)/%.c FORCE
$(call if_changed_dep,host-csingle)
# Link an executable based on list of .o files, all plain c
@ -123,14 +123,14 @@ quiet_cmd_host-cmulti = HOSTLD $@
cmd_host-cmulti = $(HOSTCC) $(HOSTLDFLAGS) -o $@ \
$(addprefix $(obj)/,$($(@F)-objs)) \
$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
$(host-cmulti): %: $(host-cobjs) $(host-cshlib) FORCE
$(host-cmulti): $(obj)/%: $(host-cobjs) $(host-cshlib) FORCE
$(call if_changed,host-cmulti)
# Create .o file from a single .c file
# host-cobjs -> .o
quiet_cmd_host-cobjs = HOSTCC $@
cmd_host-cobjs = $(HOSTCC) $(hostc_flags) -c -o $@ $<
$(host-cobjs): %.o: %.c FORCE
$(host-cobjs): $(obj)/%.o: $(src)/%.c FORCE
$(call if_changed_dep,host-cobjs)
# Link an executable based on list of .o files, a mixture of .c and .cc
@ -140,20 +140,20 @@ quiet_cmd_host-cxxmulti = HOSTLD $@
$(foreach o,objs cxxobjs,\
$(addprefix $(obj)/,$($(@F)-$(o)))) \
$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
$(host-cxxmulti): %: $(host-cobjs) $(host-cxxobjs) $(host-cshlib) FORCE
$(host-cxxmulti): $(obj)/%: $(host-cobjs) $(host-cxxobjs) $(host-cshlib) FORCE
$(call if_changed,host-cxxmulti)
# Create .o file from a single .cc (C++) file
quiet_cmd_host-cxxobjs = HOSTCXX $@
cmd_host-cxxobjs = $(HOSTCXX) $(hostcxx_flags) -c -o $@ $<
$(host-cxxobjs): %.o: %.cc FORCE
$(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE
$(call if_changed_dep,host-cxxobjs)
# Compile .c file, create position independent .o file
# host-cshobjs -> .o
quiet_cmd_host-cshobjs = HOSTCC -fPIC $@
cmd_host-cshobjs = $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $<
$(host-cshobjs): %.o: %.c FORCE
$(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE
$(call if_changed_dep,host-cshobjs)
# Link a shared library, based on position independent .o files
@ -162,7 +162,7 @@ quiet_cmd_host-cshlib = HOSTLLD -shared $@
cmd_host-cshlib = $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \
$(addprefix $(obj)/,$($(@F:.so=-objs))) \
$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
$(host-cshlib): %: $(host-cshobjs) FORCE
$(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE
$(call if_changed,host-cshlib)
targets += $(host-csingle) $(host-cmulti) $(host-cobjs)\