[LV-commit] kernel-2.5/scripts Makefile.build,1.13,1.14

[<ke...@us...>]

Update of /cvsroot/linux-vax/kernel-2.5/scripts
In directory sc8-pr-cvs1:/tmp/cvs-serv19699/scripts

Modified Files:
	Makefile.build 
Log Message:
Merge with 2.5.71


Index: Makefile.build
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/scripts/Makefile.build,v
retrieving revision 1.13
retrieving revision 1.14
diff -u -d -r1.13 -r1.14
--- Makefile.build	28 Aug 2003 22:32:22 -0000	1.13
+++ Makefile.build	7 Sep 2003 15:11:44 -0000	1.14
@@ -32,9 +32,7 @@
 endif
 
 ifdef L_TARGET
-ifneq ($(L_TARGET),lib.a)
-$(warning kbuild: $(obj)/Makefile - L_TARGET := $(L_TARGET) target shall be renamed to lib.a. Please fix!)
-endif
+$(error kbuild: $(obj)/Makefile - Use of L_TARGET is replaced by lib-y in 2.5. Please fix!)
 endif
 
 ifdef list-multi
@@ -47,21 +45,19 @@
 
 # ===========================================================================
 
-# If a Makefile does not define a L_TARGET, link an object called "built-in.o"
-
-ifdef L_TARGET
-L_TARGET := $(obj)/$(L_TARGET)
-else
-ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-)),)
-O_TARGET := $(obj)/built-in.o
+ifneq ($(strip $(lib-y) $(lib-m) $(lib-n) $(lib-)),)
+lib-target := $(obj)/lib.a
 endif
+
+ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(lib-target)),)
+builtin-target := $(obj)/built-in.o
 endif
 
 # We keep a list of all modules in $(MODVERDIR)
 
 touch-module = @echo $(@:.o=.ko) > $(MODVERDIR)/$(@F:.o=.mod)
 
-__build: $(if $(KBUILD_BUILTIN),$(O_TARGET) $(L_TARGET) $(extra-y)) \
+__build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
 	 $(if $(KBUILD_MODULES),$(obj-m)) \
 	 $(subdir-ym) $(always)
 	@:
@@ -71,55 +67,7 @@
 quiet_cmd_checksrc = CHECK   $<
       cmd_checksrc = $(CHECK) $(c_flags) $< ;
 endif
- 
-# Module versioning
-# ---------------------------------------------------------------------------
-
-ifdef CONFIG_MODVERSIONS
-
-# $(call if_changed_rule,vcc_o_c) does essentially the same as the
-# normal $(call if_changed_dep,cc_o_c), i.e. compile an object file
-# from a C file, keeping track of the command line and dependencies.
-#
-# However, actually it does:
-# o compile a .tmp_<file>.o from <file>.c
-# o if .tmp_<file>.o doesn't contain a __ksymtab version, i.e. does
-#   not export symbols, we just rename .tmp_<file>.o to <file>.o and
-#   are done.
-# o otherwise, we calculate symbol versions using the good old
-#   genksyms on the preprocessed source and postprocess them in a way
-#   that they are usable as a linker script
-# o generate <file>.o from .tmp_<file>.o using the linker to
-#   replace the unresolved symbols __crc_exported_symbol with
-#   the actual value of the checksum generated by genksyms
 
-quiet_cmd_vcc_o_c = CC $(quiet_modtag)  $@
-cmd_vcc_o_c       = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $<
-
-define rule_vcc_o_c
-	$(if $($(quiet)cmd_checksrc),echo '  $($(quiet)cmd_checksrc)';)	      \
-	$(cmd_checksrc)							      \
-	$(if $($(quiet)cmd_vcc_o_c),echo '  $($(quiet)cmd_vcc_o_c)';)	      \
-	$(cmd_vcc_o_c);							      \
-									      \
-	if ! $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then	      \
-		mv $(@D)/.tmp_$(@F) $@;					      \
-	else								      \
-		$(CPP) -D__GENKSYMS__ $(c_flags) $<			      \
-		| $(GENKSYMS)						      \
-		> $(@D)/.tmp_$(@F:.o=.ver);				      \
-									      \
-		$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) 		      \
-			-T $(@D)/.tmp_$(@F:.o=.ver);			      \
-		rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver);	      \
-	fi;			
-					      \
-	scripts/fixdep $(depfile) $@ '$(cmd_vcc_o_c)' > $(@D)/.$(@F).tmp;     \
-	rm -f $(depfile);						      \
-	mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd
-endef
-
-endif
 
 # Compile C sources (.c)
 # ---------------------------------------------------------------------------
@@ -164,38 +112,66 @@
 %.i: %.c FORCE
 	$(call if_changed_dep,cc_i_c)
 
+# C (.c) files
+# The C file is compiled and updated dependency information is generated.
+# (See cmd_cc_o_c + relevant part of rule_cc_o_c)
+
+quiet_cmd_cc_o_c = CC $(quiet_modtag)  $@
+
 # define listing_o_c to get compiler listings from .c -> .o compilations
 listing_o_c = -Wa,-adnhls=$(subst $(comma),_,$(@D)/$(*F)).lst -g
 
-quiet_cmd_cc_o_c = CC $(quiet_modtag)  $@
-cmd_cc_o_c       = $(CC) $(c_flags) -c -o $@ $< $(listing_o_c)
+ifndef CONFIG_MODVERSIONS
+cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< $(listing_o_c)
+
+else
+# When module versioning is enabled the following steps are executed:
+# o compile a .tmp_<file>.o from <file>.c
+# o if .tmp_<file>.o doesn't contain a __ksymtab version, i.e. does
+#   not export symbols, we just rename .tmp_<file>.o to <file>.o and
+#   are done.
+# o otherwise, we calculate symbol versions using the good old
+#   genksyms on the preprocessed source and postprocess them in a way
+#   that they are usable as a linker script
+# o generate <file>.o from .tmp_<file>.o using the linker to
+#   replace the unresolved symbols __crc_exported_symbol with
+#   the actual value of the checksum generated by genksyms
+
+cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $<
+cmd_modversions =							\
+	if ! $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then	\
+		mv $(@D)/.tmp_$(@F) $@;					\
+	else								\
+		$(CPP) -D__GENKSYMS__ $(c_flags) $<			\
+		| $(GENKSYMS)						\
+		> $(@D)/.tmp_$(@F:.o=.ver);				\
+									\
+		$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) 		\
+			-T $(@D)/.tmp_$(@F:.o=.ver);			\
+		rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver);	\
+	fi;
+endif
+
 define rule_cc_o_c
-	$(if $($(quiet)cmd_checksrc),echo '  $($(quiet)cmd_checksrc)';)	      \
-	$(cmd_checksrc)							      \
-	$(if $($(quiet)cmd_cc_o_c),echo '  $($(quiet)cmd_cc_o_c)';)	      \
-	$(cmd_cc_o_c);							      \
-	scripts/fixdep $(depfile) $@ '$(cmd_cc_o_c)' > $(@D)/.$(@F).tmp;      \
-	rm -f $(depfile);						      \
+	$(if $($(quiet)cmd_checksrc),echo '  $($(quiet)cmd_checksrc)';)   \
+	$(cmd_checksrc)							  \
+	$(if $($(quiet)cmd_cc_o_c),echo '  $($(quiet)cmd_cc_o_c)';)	  \
+	$(cmd_cc_o_c);							  \
+	$(cmd_modversions)						  \
+	scripts/fixdep $(depfile) $@ '$(cmd_cc_o_c)' > $(@D)/.$(@F).tmp;  \
+	rm -f $(depfile);						  \
 	mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd
 endef
 
 # Built-in and composite module parts
 
 %.o: %.c FORCE
-ifdef CONFIG_MODVERSIONS
-	$(call if_changed_rule,vcc_o_c)
-else
 	$(call if_changed_rule,cc_o_c)
-endif
 
 # Single-part modules are special since we need to mark them in $(MODVERDIR)
 
 $(single-used-m): %.o: %.c FORCE
-ifdef CONFIG_MODVERSIONS
-	$(call if_changed_rule,vcc_o_c)
-else
 	$(call if_changed_rule,cc_o_c)
-endif
 	$(touch-module)
 
 quiet_cmd_cc_lst_c = MKLST   $@
@@ -226,7 +202,8 @@
 %.o: %.S FORCE
 	$(call if_changed_dep,as_o_S)
 
-targets += $(real-objs-y) $(real-objs-m) $(extra-y) $(MAKECMDGOALS) $(always)
+targets += $(real-objs-y) $(real-objs-m) $(lib-y)
+targets += $(extra-y) $(MAKECMDGOALS) $(always)
 
 # Build the compiled-in targets
 # ---------------------------------------------------------------------------
@@ -237,30 +214,30 @@
 #
 # Rule to compile a set of .o files into one .o file
 #
-ifdef O_TARGET
+ifdef builtin-target
 quiet_cmd_link_o_target = LD      $@
-# If the list of objects to link is empty, just create an empty O_TARGET
+# If the list of objects to link is empty, just create an empty built-in.o
 cmd_link_o_target = $(if $(strip $(obj-y)),\
 		      $(LD) $(ld_flags) -r -o $@ $(filter $(obj-y), $^),\
 		      rm -f $@; $(AR) rcs $@)
 
-$(O_TARGET): $(obj-y) FORCE
+$(builtin-target): $(obj-y) FORCE
 	$(call if_changed,link_o_target)
 
-targets += $(O_TARGET)
-endif # O_TARGET
+targets += $(builtin-target)
+endif # builtin-target
 
 #
 # Rule to compile a set of .o files into one .a file
 #
-ifdef L_TARGET
+ifdef lib-target
 quiet_cmd_link_l_target = AR      $@
-cmd_link_l_target = rm -f $@; $(AR) $(EXTRA_ARFLAGS) rcs $@ $(obj-y)
+cmd_link_l_target = rm -f $@; $(AR) $(EXTRA_ARFLAGS) rcs $@ $(lib-y)
 
-$(L_TARGET): $(obj-y) FORCE
+$(lib-target): $(lib-y) FORCE
 	$(call if_changed,link_l_target)
 
-targets += $(L_TARGET)
+targets += $(lib-target)
 endif
 
 #