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| author | Sam Ravnborg <sam@ravnborg.org> | 2007-05-06 09:23:45 +0200 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2007-05-06 09:23:45 +0200 |
| commit | 767e581d759fe6adfef5e676cd1cd8e11f603d1a (patch) | |
| tree | f208026e00ace8ba32cc4f9c1fc6168af329c167 /scripts/Makefile.build | |
| parent | 5447d34b080a1e3e312b05a91e87eff4710a1152 (diff) | |
| download | lwn-767e581d759fe6adfef5e676cd1cd8e11f603d1a.tar.gz lwn-767e581d759fe6adfef5e676cd1cd8e11f603d1a.zip | |
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>
Diffstat (limited to 'scripts/Makefile.build')
| -rw-r--r-- | scripts/Makefile.build | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index e2ad2dccccdb..a525112847fd 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -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 |