build: libcacard Makefile cleanups

Build vscclient from toplevel Makefile, limit usage of vpath.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

Makefile

@@ -147,6 +147,10 @@ libcacard.la: $(oslib-obj-y) qemu-timer-common.o $(addsuffix .lo, $(basename $(t
 install-libcacard: libcacard.la
 	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C libcacard V="$(V)" TARGET_DIR="$*/" install-libcacard,)
 endif
+
+vscclient$(EXESUF): $(libcacard-y) $(oslib-obj-y) qemu-timer-common.o libcacard/vscclient.o
+	$(call quiet-command,$(CC) -o $@ $^ $(libcacard_libs) $(LIBS),"  LINK  $@")
+
 ######################################################################
 
 qemu-img.o: qemu-img-cmds.h

Makefile.objs

@@ -198,7 +198,13 @@ $(trace-obj-y): $(GENERATED_HEADERS)
 ######################################################################
 # smartcard
 
-libcacard-y = cac.o event.o vcard.o vreader.o vcard_emul_nss.o vcard_emul_type.o card_7816.o
+libcacard-y += libcacard/cac.o libcacard/event.o
+libcacard-y += libcacard/vcard.o libcacard/vreader.o
+libcacard-y += libcacard/vcard_emul_nss.o
+libcacard-y += libcacard/vcard_emul_type.o
+libcacard-y += libcacard/card_7816.o
+
+common-obj-$(CONFIG_SMARTCARD_NSS) += $(libcacard-y)
 
 ######################################################################
 # qapi

Makefile.target

@@ -164,16 +164,10 @@ all-obj-y = $(obj-y)
 all-obj-y += $(addprefix ../, $(universal-obj-y))
 
 ifdef CONFIG_SOFTMMU
-
 all-obj-y += $(addprefix ../, $(common-obj-y))
 all-obj-y += $(addprefix ../libdis/, $(libdis-y))
 all-obj-y += $(addprefix $(HWDIR)/, $(hw-obj-y))
 all-obj-y += $(addprefix ../, $(trace-obj-y))
-
-# libcacard needs qemu-thread support, and besides is only needed by devices
-# so not requires with linux-user / bsd-user targets
-all-obj-$(CONFIG_SMARTCARD_NSS) += $(addprefix ../libcacard/, $(libcacard-y))
-
 else
 all-obj-y += $(addprefix ../libuser/, $(user-obj-y))
 all-obj-y += $(addprefix ../libdis-user/, $(libdis-y))

configure

@@ -2927,6 +2927,9 @@ if test "$softmmu" = yes ; then
     fi
   fi
 fi
+if test "$smartcard_nss" = "yes" ; then
+  tools="vscclient\$(EXESUF) $tools"
+fi
 
 # Mac OS X ships with a broken assembler
 roms=
@@ -3959,9 +3962,10 @@ DIRS="$DIRS roms/seabios roms/vgabios"
 DIRS="$DIRS fsdev ui hw hw/usb"
 DIRS="$DIRS qapi qapi-generated"
 DIRS="$DIRS qga trace qom"
+DIRS="$DIRS libcacard libcacard/libcacard libcacard/trace"
 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
-FILES="$FILES tests/tcg/lm32/Makefile"
+FILES="$FILES tests/tcg/lm32/Makefile libcacard/Makefile"
 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
 FILES="$FILES pc-bios/spapr-rtas/Makefile"
 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
@@ -4005,12 +4009,6 @@ for hwlib in 32 64; do
   echo "QEMU_CFLAGS+=-DTARGET_PHYS_ADDR_BITS=$hwlib" > $d/config.mak
 done
 
-if [ "$source_path" != `pwd` ]; then
-    # out of tree build
-    mkdir -p libcacard
-    symlink "$source_path/libcacard/Makefile" libcacard/Makefile
-fi
-
 d=libuser
 mkdir -p $d
 mkdir -p $d/trace

libcacard/Makefile

@@ -2,29 +2,23 @@
 -include $(SRC_PATH)/Makefile.objs
 -include $(SRC_PATH)/rules.mak
 
-libcacard_srcpath=$(SRC_PATH)/libcacard
 libcacard_includedir=$(includedir)/cacard
 
-$(call set-vpath, $(SRC_PATH):$(libcacard_srcpath))
-
-# objects linked against normal qemu binaries, not compiled with libtool
-QEMU_OBJS=$(addprefix ../,$(oslib-obj-y) qemu-timer-common.o $(trace-obj-y))
+$(call set-vpath, $(SRC_PATH))
 
 # objects linked into a shared library, built with libtool with -fPIC if required
-QEMU_OBJS_LIB=$(addsuffix .lo,$(basename $(QEMU_OBJS)))
+QEMU_OBJS=$(oslib-obj-y) qemu-timer-common.o $(trace-obj-y)
+QEMU_OBJS_LIB=$(patsubst %.o,%.lo,$(QEMU_OBJS))
 
 QEMU_CFLAGS+=-I../
 
-libcacard.lib-y=$(addsuffix .lo,$(basename $(libcacard-y)))
-
-vscclient: $(libcacard-y) $(QEMU_OBJS) vscclient.o
-	$(call quiet-command,$(CC) -o $@ $^ $(libcacard_libs) $(LIBS),"  LINK  $@")
+libcacard.lib-y=$(patsubst %.o,%.lo,$(libcacard-y))
 
 clean:
 	rm -f *.o */*.o *.d */*.d *.a */*.a *~ */*~ vscclient *.lo .libs/* *.la *.pc
 	rm -Rf .libs
 
-all: vscclient
+all: libcacard.la libcacard.pc
 # Dummy command so that make thinks it has done something
 	@true
 
@@ -41,6 +35,7 @@ else
 libcacard.la: $(libcacard.lib-y) $(QEMU_OBJS_LIB)
 	$(call quiet-command,$(LIBTOOL) --mode=link --quiet --tag=CC $(CC) -rpath $(libdir) -o $@ $^ $(libcacard_libs),"  lt LINK $@")
 
+libcacard_srcpath=$(SRC_PATH)/libcacard
 libcacard.pc: $(libcacard_srcpath)/libcacard.pc.in
 	sed -e 's|@LIBDIR@|$(libdir)|' \
 		-e 's|@INCLUDEDIR@|$(libcacard_includedir)|' \