Update to 3.4-final.

[linux-flexiantxendom0-3.2.10.git] / scripts / Makefile.build

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index d2b366c..d355919 100644 (file)
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -69,6 +69,7 @@ warning-1 += -Wmissing-prototypes
 warning-1 += -Wold-style-definition
 warning-1 += $(call cc-option, -Wmissing-include-dirs)
 warning-1 += $(call cc-option, -Wunused-but-set-variable)
+warning-1 += $(call cc-disable-warning, missing-field-initializers)
 
 warning-2 := -Waggregate-return
 warning-2 += -Wcast-align
@@ -76,6 +77,7 @@ warning-2 += -Wdisabled-optimization
 warning-2 += -Wnested-externs
 warning-2 += -Wshadow
 warning-2 += $(call cc-option, -Wlogical-op)
+warning-2 += $(call cc-option, -Wmissing-field-initializers)
 
 warning-3 := -Wbad-function-cast
 warning-3 += -Wcast-qual
@@ -126,6 +128,21 @@ ifndef obj
 $(warning kbuild: Makefile.build is included improperly)
 endif
 
+ifeq ($(CONFIG_XEN),y)
+Makefile.xen := $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD),$(objtree)/scripts)/Makefile.xen
+$(Makefile.xen): $(srctree)/scripts/Makefile.xen.awk $(srctree)/scripts/Makefile.build
+       @echo '  Updating $@'
+       $(if $(shell echo a | $(AWK) '{ print gensub(/a/, "AA", "g"); }'),\
+        ,$(error 'Your awk program does not define gensub.  Use gawk or another awk with gensub'))
+       @$(AWK) -f $< $(filter-out $<,$^) >$@
+
+xen-src-single-used-m  := $(patsubst $(srctree)/%,%,$(wildcard $(addprefix $(srctree)/,$(single-used-m:.o=-xen.c))))
+xen-single-used-m      := $(xen-src-single-used-m:-xen.c=.o)
+single-used-m          := $(filter-out $(xen-single-used-m),$(single-used-m))
+
+-include $(Makefile.xen)
+endif
+
 # ===========================================================================
 
 ifneq ($(strip $(lib-y) $(lib-m) $(lib-n) $(lib-)),)
@@ -211,6 +228,7 @@ cmd_gensymtypes =                                                           \
     $(CPP) -D__GENKSYMS__ $(c_flags) $< |                                   \
     $(GENKSYMS) $(if $(1), -T $(2)) -a $(ARCH)                              \
      $(if $(KBUILD_PRESERVE),-p)                                            \
+     $(if $(KBUILD_OVERRIDE),-o)                                            \
      -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null))
 
 quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@
@@ -303,12 +321,14 @@ endef
 # Built-in and composite module parts
 $(obj)/%.o: $(src)/%.c $(recordmcount_source) FORCE
        $(call cmd,force_checksrc)
+       $(call cmd,force_check_kmsg)
        $(call if_changed_rule,cc_o_c)
 
 # Single-part modules are special since we need to mark them in $(MODVERDIR)
 
 $(single-used-m): $(obj)/%.o: $(src)/%.c $(recordmcount_source) FORCE
        $(call cmd,force_checksrc)
+       $(call cmd,force_check_kmsg)
        $(call if_changed_rule,cc_o_c)
        @{ echo $(@:.o=.ko); echo $@; } > $(MODVERDIR)/$(@F:.o=.mod)
 
@@ -432,6 +452,18 @@ $(multi-used-m) : %.o: $(multi-objs-m) FORCE
 
 targets += $(multi-used-y) $(multi-used-m)
 
+# kmsg check tool
+ifneq ($(KBUILD_KMSG_CHECK),0)
+  ifeq ($(KBUILD_KMSG_CHECK),2)
+    kmsg_cmd := print
+    quiet_cmd_force_check_kmsg = KMSG_PRINT $<
+    $(shell [ -d $(objtree)/man ] || mkdir -p $(objtree)/man)
+  else
+    kmsg_cmd := check
+    quiet_cmd_force_check_kmsg = KMSG_CHECK $<
+  endif
+  cmd_force_check_kmsg = $(KMSG_CHECK) $(kmsg_cmd) $(CC) $(c_flags) $< ;
+endif
 
 # Descending
 # ---------------------------------------------------------------------------