ALSA: rme: Avoid non-standard macro usage

[linux-2.6-block.git] / scripts / Makefile.build

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 2f66ed388d1c33962126c015530147b2f677cef8..a9e47953ca53dfb06ba4e1221c7467539b4acc3b 100644 (file)
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -52,7 +52,7 @@ ifndef obj
 $(warning kbuild: Makefile.build is included improperly)
 endif
 
-ifeq ($(MAKECMDGOALS)$(need-modorder),)
+ifeq ($(need-modorder),)
 ifneq ($(obj-m),)
 $(warning $(patsubst %.o,'%.ko',$(obj-m)) will not be built even though obj-m is specified.)
 $(warning You cannot use subdir-y/m to visit a module Makefile. Use obj-y/m instead.)
@@ -76,11 +76,6 @@ endif
 
 mod-targets := $(patsubst %.o, %.mod, $(obj-m))
 
-__build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
-        $(if $(KBUILD_MODULES),$(obj-m) $(mod-targets) $(modorder-target)) \
-        $(subdir-ym) $(always)
-       @:
-
 # Linus' kernel sanity checking tool
 ifeq ($(KBUILD_CHECKSRC),1)
   quiet_cmd_checksrc       = CHECK   $<
@@ -90,23 +85,13 @@ else ifeq ($(KBUILD_CHECKSRC),2)
         cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $<
 endif
 
-ifneq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),)
+ifneq ($(KBUILD_EXTRA_WARN),)
   cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $<
 endif
 
 # Compile C sources (.c)
 # ---------------------------------------------------------------------------
 
-# Default is built-in, unless we know otherwise
-$(foreach x, i ll lst o s symtypes, $(patsubst %.o,%.$(x),$(real-obj-m))): \
-       part-of-module := y
-
-modkern_cflags =                                          \
-       $(if $(part-of-module),                           \
-               $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE), \
-               $(KBUILD_CFLAGS_KERNEL) $(CFLAGS_KERNEL))
-quiet_modtag = $(if $(part-of-module),[M],   )
-
 quiet_cmd_cc_s_c = CC $(quiet_modtag)  $@
       cmd_cc_s_c = $(CC) $(filter-out $(DEBUG_CFLAGS), $(c_flags)) $(DISABLE_LTO) -fverbose-asm -S -o $@ $<
 
@@ -310,11 +295,6 @@ $(obj)/%.h.s: $(src)/%.h FORCE
 # Compile assembler sources (.S)
 # ---------------------------------------------------------------------------
 
-modkern_aflags := $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL)
-
-$(real-obj-m)      : modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
-$(real-obj-m:.o=.s): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
-
 # .S file exports must have their C prototypes defined in asm/asm-prototypes.h
 # or a file that it includes, in order to get versioned symbols. We build a
 # dummy C file that includes asm-prototypes and the EXPORT_SYMBOL lines from
@@ -356,11 +336,7 @@ $(obj)/%.s: $(src)/%.S FORCE
 quiet_cmd_as_o_S = AS $(quiet_modtag)  $@
       cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<
 
-ifdef CONFIG_MODVERSIONS
-
-ASM_PROTOTYPES := $(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/asm-prototypes.h)
-
-ifneq ($(ASM_PROTOTYPES),)
+ifdef CONFIG_ASM_MODVERSIONS
 
 # versioning matches the C process described above, with difference that
 # we parse asm-prototypes.h C header to get function definitions.
@@ -376,7 +352,6 @@ cmd_modversions_S =                                                         \
                rm -f $(@D)/.tmp_$(@F:.o=.ver);                                 \
        fi
 endif
-endif
 
 $(obj)/%.o: $(src)/%.S $(objtool_dep) FORCE
        $(call if_changed_rule,as_o_S)
@@ -395,9 +370,9 @@ $(obj)/%.lds: $(src)/%.lds.S FORCE
 
 # ASN.1 grammar
 # ---------------------------------------------------------------------------
-quiet_cmd_asn1_compiler = ASN.1   $@
+quiet_cmd_asn1_compiler = ASN.1   $(basename $@).[ch]
       cmd_asn1_compiler = $(objtree)/scripts/asn1_compiler $< \
-                               $(subst .h,.c,$@) $(subst .c,.h,$@)
+                               $(basename $@).c $(basename $@).h
 
 $(obj)/%.asn1.c $(obj)/%.asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler
        $(call cmd,asn1_compiler)
@@ -414,7 +389,7 @@ $(sort $(subdir-obj-y)): $(subdir-ym) ;
 ifdef builtin-target
 
 quiet_cmd_ar_builtin = AR      $@
-      cmd_ar_builtin = rm -f $@; $(AR) rcSTP$(KBUILD_ARFLAGS) $@ $(real-prereqs)
+      cmd_ar_builtin = rm -f $@; $(AR) cDPrST $@ $(real-prereqs)
 
 $(builtin-target): $(real-obj-y) FORCE
        $(call if_changed,ar_builtin)
@@ -489,12 +464,50 @@ targets += $(call intermediate_targets, .asn1.o, .asn1.c .asn1.h) \
           $(call intermediate_targets, .lex.o, .lex.c) \
           $(call intermediate_targets, .tab.o, .tab.c .tab.h)
 
+# Build
+# ---------------------------------------------------------------------------
+
+ifdef single-build
+
+curdir-single := $(sort $(foreach x, $(KBUILD_SINGLE_TARGETS), \
+                       $(if $(filter $(x) $(basename $(x)).o, $(targets)), $(x))))
+
+# Handle single targets without any rule: show "Nothing to be done for ..." or
+# "No rule to make target ..." depending on whether the target exists.
+unknown-single := $(filter-out $(addsuffix /%, $(subdir-ym)), \
+                       $(filter $(obj)/%, \
+                               $(filter-out $(curdir-single), \
+                                       $(KBUILD_SINGLE_TARGETS))))
+
+__build: $(curdir-single) $(subdir-ym)
+ifneq ($(unknown-single),)
+       $(Q)$(MAKE) -f /dev/null $(unknown-single)
+endif
+       @:
+
+ifeq ($(curdir-single),)
+# Nothing to do in this directory. Do not include any .*.cmd file for speed-up
+targets :=
+else
+targets += $(curdir-single)
+endif
+
+else
+
+__build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
+        $(if $(KBUILD_MODULES),$(obj-m) $(mod-targets) $(modorder-target)) \
+        $(subdir-ym) $(always)
+       @:
+
+endif
+
 # Descending
 # ---------------------------------------------------------------------------
 
 PHONY += $(subdir-ym)
 $(subdir-ym):
        $(Q)$(MAKE) $(build)=$@ \
+       $(if $(filter $@/, $(KBUILD_SINGLE_TARGETS)),single-build=) \
        need-builtin=$(if $(filter $@/built-in.a, $(subdir-obj-y)),1) \
        need-modorder=$(if $(need-modorder),$(if $(filter $@/modules.order, $(modorder)),1))