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diff --git a/common.mak b/common.mak
index c4d5f2be0c3..832025d10cf 100644
--- a/common.mak
+++ b/common.mak
@@ -2,90 +2,66 @@
 # common bits used by all libraries
 #
 
-all: # make "all" default target
+# first so "all" becomes default target
+all: all-yes
 
-ifndef SUBDIR
-vpath %.c   $(SRC_DIR)
-vpath %.h   $(SRC_DIR)
-vpath %.S   $(SRC_DIR)
-vpath %.asm $(SRC_DIR)
-vpath %.v   $(SRC_DIR)
+include $(SRC_PATH)/arch.mak
 
-ifeq ($(SRC_DIR),$(SRC_PATH_BARE))
-BUILD_ROOT_REL = .
-else
-BUILD_ROOT_REL = ..
-endif
-
-ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
-
-CPPFLAGS := -DHAVE_AV_CONFIG_H -I$(BUILD_ROOT_REL) -I$(SRC_PATH) $(CPPFLAGS)
-CFLAGS   += $(ECFLAGS)
-
-%.o: %.c
-	$(CCDEP)
-	$(CC) $(CPPFLAGS) $(CFLAGS) $(CC_DEPFLAGS) -c $(CC_O) $<
-
-%.o: %.S
-	$(ASDEP)
-	$(AS) $(CPPFLAGS) $(ASFLAGS) $(AS_DEPFLAGS) -c -o $@ $<
-
-%.ho: %.h
-	$(CC) $(CPPFLAGS) $(CFLAGS) -Wno-unused -c -o $@ -x c $<
-
-%$(EXESUF): %.c
-
-%.ver: %.v
-	sed 's/$$MAJOR/$($(basename $(@F))_VERSION_MAJOR)/' $^ > $@
-
-SVN_ENTRIES = $(SRC_PATH_BARE)/.svn/entries
-ifeq ($(wildcard $(SVN_ENTRIES)),$(SVN_ENTRIES))
-$(BUILD_ROOT_REL)/version.h: $(SVN_ENTRIES)
-endif
-
-$(BUILD_ROOT_REL)/version.h: $(SRC_PATH_BARE)/version.sh config.mak
-	$< $(SRC_PATH) $@ $(EXTRA_VERSION)
-
-install: install-libs install-headers
-
-uninstall: uninstall-libs uninstall-headers
-
-.PHONY: all depend dep *clean install* uninstall* examples testprogs
-endif
-
-OBJS-$(HAVE_MMX) +=  $(MMX-OBJS-yes)
-
-CFLAGS    += $(CFLAGS-yes)
 OBJS      += $(OBJS-yes)
-FFLIBS    := $(FFLIBS-yes) $(FFLIBS)
+FFLIBS    := $($(NAME)_FFLIBS) $(FFLIBS-yes) $(FFLIBS)
 TESTPROGS += $(TESTPROGS-yes)
 
-FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
-FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(ALLFFLIBS)) $(LDFLAGS)
+LDLIBS       = $(FFLIBS:%=%$(BUILDSUF))
+FFEXTRALIBS := $(LDLIBS:%=$(LD_LIB)) $(EXTRALIBS)
 
-EXAMPLES  := $(addprefix $(SUBDIR),$(addsuffix -example$(EXESUF),$(EXAMPLES)))
-OBJS      := $(addprefix $(SUBDIR),$(OBJS))
-TESTPROGS := $(addprefix $(SUBDIR),$(addsuffix -test$(EXESUF),$(TESTPROGS)))
-HOSTOBJS  := $(addprefix $(SUBDIR),$(addsuffix .o,$(HOSTPROGS)))
-HOSTPROGS := $(addprefix $(SUBDIR),$(addsuffix $(HOSTEXESUF),$(HOSTPROGS)))
+OBJS      := $(sort $(OBJS:%=$(SUBDIR)%))
+TESTOBJS  := $(TESTOBJS:%=$(SUBDIR)%) $(TESTPROGS:%=$(SUBDIR)%-test.o)
+TESTPROGS := $(TESTPROGS:%=$(SUBDIR)%-test$(EXESUF))
+HOSTOBJS  := $(HOSTPROGS:%=$(SUBDIR)%.o)
+HOSTPROGS := $(HOSTPROGS:%=$(SUBDIR)%$(HOSTEXESUF))
+TOOLS     += $(TOOLS-yes)
+TOOLOBJS  := $(TOOLS:%=tools/%.o)
+TOOLS     := $(TOOLS:%=tools/%$(EXESUF))
+HEADERS   += $(HEADERS-yes)
 
-DEP_LIBS := $(foreach NAME,$(FFLIBS),$(BUILD_ROOT_REL)/lib$(NAME)/$($(CONFIG_SHARED:yes=S)LIBNAME))
+PATH_LIBNAME = $(foreach NAME,$(1),lib$(NAME)/$($(2)LIBNAME))
+DEP_LIBS := $(foreach lib,$(FFLIBS),$(call PATH_LIBNAME,$(lib),$(CONFIG_SHARED:yes=S)))
+STATIC_DEP_LIBS := $(foreach lib,$(FFLIBS),$(call PATH_LIBNAME,$(lib)))
 
+SRC_DIR    := $(SRC_PATH)/lib$(NAME)
 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
-SKIPHEADERS = $(addprefix $(SUBDIR),$(SKIPHEADERS-))
-checkheaders: $(filter-out $(SKIPHEADERS:.h=.ho),$(ALLHEADERS:.h=.ho))
+SKIPHEADERS += $(ARCH_HEADERS:%=$(ARCH)/%) $(SKIPHEADERS-)
+SKIPHEADERS := $(SKIPHEADERS:%=$(SUBDIR)%)
+HOBJS        = $(filter-out $(SKIPHEADERS:.h=.h.o),$(ALLHEADERS:.h=.h.o))
+checkheaders: $(HOBJS)
+.SECONDARY:   $(HOBJS:.o=.c)
+
+alltools: $(TOOLS)
 
 $(HOSTOBJS): %.o: %.c
-	$(HOSTCC) $(HOSTCFLAGS) -c -o $@ $<
+	$(COMPILE_HOSTC)
 
 $(HOSTPROGS): %$(HOSTEXESUF): %.o
-	$(HOSTCC) $(HOSTLDFLAGS) -o $@ $< $(HOSTLIBS)
+	$(HOSTLD) $(HOSTLDFLAGS) $(HOSTLD_O) $^ $(HOSTLIBS)
+
+$(OBJS):     | $(sort $(dir $(OBJS)))
+$(HOBJS):    | $(sort $(dir $(HOBJS)))
+$(HOSTOBJS): | $(sort $(dir $(HOSTOBJS)))
+$(TESTOBJS): | $(sort $(dir $(TESTOBJS)))
+$(TOOLOBJS): | tools
 
-DEPS := $(OBJS:.o=.d)
-depend dep: $(DEPS)
+OBJDIRS := $(OBJDIRS) $(dir $(OBJS) $(HOBJS) $(HOSTOBJS) $(TESTOBJS))
 
-CLEANSUFFIXES     = *.d *.o *~ *.ho *.map *.ver
+CLEANSUFFIXES     = *.d *.o *~ *.h.c *.map *.ver *.ver-sol2 *.gcno *.gcda
 DISTCLEANSUFFIXES = *.pc
-LIBSUFFIXES       = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp
+LIBSUFFIXES       = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a
+
+define RULES
+clean::
+	$(RM) $(HOSTPROGS)
+	$(RM) $(TOOLS)
+endef
+
+$(eval $(RULES))
 
--include $(wildcard $(DEPS))
+-include $(wildcard $(OBJS:.o=.d) $(HOSTOBJS:.o=.d) $(TESTOBJS:.o=.d) $(HOBJS:.o=.d))