commit 4fb240a4956fe222e8f65f0d915f8e07a409ee52
Author: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date:   Wed Nov 7 19:24:02 2007 +0000

    compile common code once
    
    
    git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3543 c046a42c-6fe2-441c-8c8c-71466251a162

diff --git a/Makefile b/Makefile
index 0eb39b5..1f77f2c 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,9 @@ BASE_LDFLAGS=
 BASE_CFLAGS += $(OS_CFLAGS) $(ARCH_CFLAGS)
 BASE_LDFLAGS += $(OS_LDFLAGS) $(ARCH_LDFLAGS)
 
-CPPFLAGS += -I. -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
+CPPFLAGS += -I. -I$(SRC_PATH) -MMD -MP
+CPPFLAGS += -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
+CPPFLAGS += -DQEMU_TOOL
 LIBS=
 ifdef CONFIG_STATIC
 BASE_LDFLAGS += -static
@@ -24,23 +26,100 @@ endif
 
 LIBS+=$(AIOLIBS)
 
-all: $(TOOLS) $(DOCS) recurse-all
+all: libqemu_common.a $(TOOLS) $(DOCS) recurse-all 
 
 subdir-%: dyngen$(EXESUF)
 	$(MAKE) -C $(subst subdir-,,$@) all
 
 recurse-all: $(patsubst %,subdir-%, $(TARGET_DIRS))
 
-qemu-img$(EXESUF): qemu-img.c cutils.c block.c block-raw.c block-cow.c block-qcow.c aes.c block-vmdk.c block-cloop.c block-dmg.c block-bochs.c block-vpc.c block-vvfat.c block-qcow2.c block-parallels.c
-	$(CC) -DQEMU_TOOL $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) $(LDFLAGS) $(BASE_LDFLAGS) -o $@ $^ -lz $(LIBS)
+######################################################################
+# libqemu_common.a: target indepedent part of system emulation. The
+# long term path is to suppress *all* target specific code in case of
+# system emulation, i.e. a single QEMU executable should support all
+# CPUs and machines.
 
+OBJS+=cutils.o readline.o console.o 
+#OBJS+=block.o block-raw.o
+OBJS+=block-cow.o block-qcow.o aes.o block-vmdk.o block-cloop.o block-dmg.o block-bochs.o block-vpc.o block-vvfat.o block-qcow2.o block-parallels.o
+
+ifdef CONFIG_WIN32
+OBJS+=tap-win32.o
+endif
+
+AUDIO_OBJS = audio.o noaudio.o wavaudio.o mixeng.o
+ifdef CONFIG_SDL
+AUDIO_OBJS += sdlaudio.o
+endif
+ifdef CONFIG_OSS
+AUDIO_OBJS += ossaudio.o
+endif
+ifdef CONFIG_COREAUDIO
+AUDIO_OBJS += coreaudio.o
+endif
+ifdef CONFIG_ALSA
+AUDIO_OBJS += alsaaudio.o
+endif
+ifdef CONFIG_DSOUND
+AUDIO_OBJS += dsoundaudio.o
+endif
+ifdef CONFIG_FMOD
+AUDIO_OBJS += fmodaudio.o
+audio/audio.o audio/fmodaudio.o: CPPFLAGS := -I$(CONFIG_FMOD_INC) $(CPPFLAGS)
+endif
+AUDIO_OBJS+= wavcapture.o
+OBJS+=$(addprefix audio/, $(AUDIO_OBJS))
+
+ifdef CONFIG_SDL
+OBJS+=sdl.o x_keymap.o
+endif
+OBJS+=vnc.o d3des.o
+
+ifdef CONFIG_COCOA
+OBJS+=cocoa.o
+endif
+
+ifdef CONFIG_SLIRP
+CPPFLAGS+=-I$(SRC_PATH)/slirp
+SLIRP_OBJS=cksum.o if.o ip_icmp.o ip_input.o ip_output.o \
+slirp.o mbuf.o misc.o sbuf.o socket.o tcp_input.o tcp_output.o \
+tcp_subr.o tcp_timer.o udp.o bootp.o debug.o tftp.o
+OBJS+=$(addprefix slirp/, $(SLIRP_OBJS))
+endif
+
+cocoa.o: cocoa.m
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) -c -o $@ $<
+
+sdl.o: sdl.c keymaps.c sdl_keysym.h
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(SDL_CFLAGS) $(BASE_CFLAGS) -c -o $@ $<
+
+vnc.o: vnc.c keymaps.c sdl_keysym.h vnchextile.h d3des.c d3des.h
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) -c -o $@ $<
+
+audio/sdlaudio.o: audio/sdlaudio.c
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(SDL_CFLAGS) $(BASE_CFLAGS) -c -o $@ $<
+
+libqemu_common.a: $(OBJS)
+	rm -f $@ 
+	$(AR) rcs $@ $(OBJS)
+
+######################################################################
+
+qemu-img$(EXESUF): qemu-img.o block.o block-raw.o libqemu_common.a
+	$(CC) $(LDFLAGS) $(BASE_LDFLAGS) -o $@ $^ -lz $(LIBS)
+
+%.o: %.c
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) -c -o $@ $<
+
+# dyngen host tool
 dyngen$(EXESUF): dyngen.c
 	$(HOST_CC) $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) -o $@ $^
 
 clean:
 # avoid old build problems by removing potentially incorrect old files
 	rm -f config.mak config.h op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
-	rm -f *.o *.a $(TOOLS) dyngen$(EXESUF) TAGS cscope.* *.pod *~ */*~
+	rm -f *.o *.d *.a $(TOOLS) dyngen$(EXESUF) TAGS cscope.* *.pod *~ */*~
+	rm -f slirp/*.o slirp/*.d audio/*.o audio/*.d
 	$(MAKE) -C tests clean
 	for d in $(TARGET_DIRS); do \
 	$(MAKE) -C $$d $@ || exit 1 ; \
@@ -180,3 +259,6 @@ tarbin:
 ifneq ($(wildcard .depend),)
 include .depend
 endif
+
+# Include automatically generated dependency files
+-include $(wildcard *.d audio/*.d slirp/*.d)
