X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=scripts%2FMakefile.build;h=67fb4530a6ff88afb7e3a86945dc2837c87c72f5;hb=21af0297c7e56024a5ccc4d8ad2a590f9ec371ba;hp=de9836eee8bbba866312ce4e5c22f05caef98486;hpb=c4ec20717313daafba59225f812db89595952b83;p=linux-2.6

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index de9836eee8..67fb4530a6 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -83,10 +83,12 @@ ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(lib-target)),)
 builtin-target := $(obj)/built-in.o
 endif
 
+modorder-target := $(obj)/modules.order
+
 # We keep a list of all modules in $(MODVERDIR)
 
 __build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
-	 $(if $(KBUILD_MODULES),$(obj-m)) \
+	 $(if $(KBUILD_MODULES),$(obj-m) $(modorder-target)) \
 	 $(subdir-ym) $(always)
 	@:
 
@@ -101,6 +103,10 @@ ifneq ($(KBUILD_CHECKSRC),0)
   endif
 endif
 
+# Do section mismatch analysis for each module/built-in.o
+ifdef CONFIG_DEBUG_SECTION_MISMATCH
+  cmd_secanalysis = ; scripts/mod/modpost $@
+endif
 
 # Compile C sources (.c)
 # ---------------------------------------------------------------------------
@@ -266,7 +272,8 @@ ifdef builtin-target
 quiet_cmd_link_o_target = LD      $@
 # 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), $^),\
+		      $(LD) $(ld_flags) -r -o $@ $(filter $(obj-y), $^) \
+		      $(cmd_secanalysis),\
 		      rm -f $@; $(AR) rcs $@)
 
 $(builtin-target): $(obj-y) FORCE
@@ -275,6 +282,19 @@ $(builtin-target): $(obj-y) FORCE
 targets += $(builtin-target)
 endif # builtin-target
 
+#
+# Rule to create modules.order file
+#
+# Create commands to either record .ko file or cat modules.order from
+# a subdirectory
+modorder-cmds =						\
+	$(foreach m, $(modorder),			\
+		$(if $(filter %/modules.order, $m),	\
+			cat $m;, echo kernel/$m;))
+
+$(modorder-target): $(subdir-ym) FORCE
+	$(Q)(cat /dev/null; $(modorder-cmds)) > $@
+
 #
 # Rule to compile a set of .o files into one .a file
 #
@@ -301,7 +321,7 @@ $($(subst $(obj)/,,$(@:.o=-objs)))    \
 $($(subst $(obj)/,,$(@:.o=-y)))), $^)
  
 quiet_cmd_link_multi-y = LD      $@
-cmd_link_multi-y = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps)
+cmd_link_multi-y = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps) $(cmd_secanalysis)
 
 quiet_cmd_link_multi-m = LD [M]  $@
 cmd_link_multi-m = $(cmd_link_multi-y)