From 4fb240a4956fe222e8f65f0d915f8e07a409ee52 Mon Sep 17 00:00:00 2001
From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Wed, 7 Nov 2007 19:24:02 +0000
Subject: compile common code once

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3543 c046a42c-6fe2-441c-8c8c-71466251a162
---
 Makefile        | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++----
 Makefile.target | 61 +++++++-------------------------------
 2 files changed, 98 insertions(+), 55 deletions(-)

diff --git a/Makefile b/Makefile
index 0eb39b5c0d..1f77f2c01d 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 $(wildcard *.d audio/*.d slirp/*.d)
diff --git a/Makefile.target b/Makefile.target
index 48528413f8..e8ead7df53 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -23,7 +23,7 @@ ifeq ($(TARGET_ARCH), sparc64)
 TARGET_BASE_ARCH:=sparc
 endif
 TARGET_PATH=$(SRC_PATH)/target-$(TARGET_BASE_ARCH)
-VPATH=$(SRC_PATH):$(TARGET_PATH):$(SRC_PATH)/hw:$(SRC_PATH)/audio
+VPATH=$(SRC_PATH):$(TARGET_PATH):$(SRC_PATH)/hw
 CPPFLAGS=-I. -I.. -I$(TARGET_PATH) -I$(SRC_PATH) -MMD -MP
 ifdef CONFIG_DARWIN_USER
 VPATH+=:$(SRC_PATH)/darwin-user
@@ -399,43 +399,25 @@ ifeq ($(ARCH),alpha)
 endif
 
 # must use static linking to avoid leaving stuff in virtual address space
-VL_OBJS=vl.o osdep.o readline.o monitor.o pci.o console.o loader.o isa_mmio.o
-VL_OBJS+=cutils.o
+VL_OBJS=vl.o osdep.o monitor.o pci.o loader.o isa_mmio.o
+# XXX: suppress QEMU_TOOL tests
 VL_OBJS+=block.o block-raw.o
-VL_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
 VL_OBJS+=irq.o
-ifdef CONFIG_WIN32
-VL_OBJS+=tap-win32.o
-endif
 
-SOUND_HW = sb16.o es1370.o
-AUDIODRV = audio.o noaudio.o wavaudio.o mixeng.o
-ifdef CONFIG_SDL
-AUDIODRV += sdlaudio.o
-endif
-ifdef CONFIG_OSS
-AUDIODRV += ossaudio.o
-endif
-ifdef CONFIG_COREAUDIO
-AUDIODRV += coreaudio.o
-endif
 ifdef CONFIG_ALSA
-AUDIODRV += alsaaudio.o
 LIBS += -lasound
 endif
 ifdef CONFIG_DSOUND
-AUDIODRV += dsoundaudio.o
 LIBS += -lole32 -ldxguid
 endif
 ifdef CONFIG_FMOD
-AUDIODRV += fmodaudio.o
-audio.o fmodaudio.o: CPPFLAGS := -I$(CONFIG_FMOD_INC) $(CPPFLAGS)
 LIBS += $(CONFIG_FMOD_LIB)
 endif
+
+SOUND_HW = sb16.o es1370.o
 ifdef CONFIG_ADLIB
 SOUND_HW += fmopl.o adlib.o
 endif
-AUDIODRV+= wavcapture.o
 
 ifdef CONFIG_VNC_TLS
 CPPFLAGS += $(CONFIG_VNC_TLS_CFLAGS)
@@ -462,7 +444,7 @@ VL_OBJS += rtl8139.o
 
 ifeq ($(TARGET_BASE_ARCH), i386)
 # Hardware support
-VL_OBJS+= ide.o pckbd.o ps2.o vga.o $(SOUND_HW) dma.o $(AUDIODRV)
+VL_OBJS+= ide.o pckbd.o ps2.o vga.o $(SOUND_HW) dma.o
 VL_OBJS+= fdc.o mc146818rtc.o serial.o i8259.o i8254.o pcspk.o pc.o
 VL_OBJS+= cirrus_vga.o apic.o parallel.o acpi.o piix_pci.o
 VL_OBJS+= usb-uhci.o smbus_eeprom.o vmmouse.o vmport.o vmware_vga.o
@@ -471,7 +453,7 @@ endif
 ifeq ($(TARGET_BASE_ARCH), ppc)
 CPPFLAGS += -DHAS_AUDIO -DHAS_AUDIO_CHOICE
 # shared objects
-VL_OBJS+= ppc.o ide.o vga.o $(SOUND_HW) dma.o openpic.o $(AUDIODRV)
+VL_OBJS+= ppc.o ide.o vga.o $(SOUND_HW) dma.o openpic.o
 # PREP target
 VL_OBJS+= pckbd.o ps2.o serial.o i8259.o i8254.o fdc.o m48t59.o mc146818rtc.o
 VL_OBJS+= prep_pci.o ppc_prep.o
@@ -489,7 +471,7 @@ VL_OBJS+= mips_r4k.o mips_malta.o mips_pica61.o mips_mipssim.o
 VL_OBJS+= mips_timer.o mips_int.o dma.o vga.o serial.o i8254.o i8259.o
 VL_OBJS+= jazz_led.o
 VL_OBJS+= ide.o gt64xxx.o pckbd.o ps2.o fdc.o mc146818rtc.o usb-uhci.o acpi.o ds1225y.o
-VL_OBJS+= piix_pci.o smbus_eeprom.o parallel.o mixeng.o cirrus_vga.o $(SOUND_HW) $(AUDIODRV)
+VL_OBJS+= piix_pci.o smbus_eeprom.o parallel.o cirrus_vga.o $(SOUND_HW)
 VL_OBJS+= mipsnet.o
 CPPFLAGS += -DHAS_AUDIO
 endif
@@ -518,7 +500,7 @@ VL_OBJS+= arm_gic.o realview.o arm_sysctl.o
 VL_OBJS+= arm-semi.o
 VL_OBJS+= pxa2xx.o pxa2xx_pic.o pxa2xx_gpio.o pxa2xx_timer.o pxa2xx_dma.o
 VL_OBJS+= pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o max111x.o max7310.o
-VL_OBJS+= spitz.o ads7846.o ide.o serial.o nand.o ecc.o $(AUDIODRV) wm8750.o
+VL_OBJS+= spitz.o ads7846.o ide.o serial.o nand.o ecc.o wm8750.o
 VL_OBJS+= omap.o omap_lcdc.o omap1_clk.o omap_mmc.o omap_i2c.o
 VL_OBJS+= palm.o tsc210x.o
 CPPFLAGS += -DHAS_AUDIO
@@ -534,12 +516,7 @@ endif
 ifdef CONFIG_GDBSTUB
 VL_OBJS+=gdbstub.o
 endif
-ifdef CONFIG_SDL
-VL_OBJS+=sdl.o x_keymap.o
-endif
-VL_OBJS+=vnc.o d3des.o
 ifdef CONFIG_COCOA
-VL_OBJS+=cocoa.o
 COCOA_LIBS=-F/System/Library/Frameworks -framework Cocoa -framework IOKit
 ifdef CONFIG_COREAUDIO
 COCOA_LIBS+=-framework CoreAudio
@@ -547,10 +524,6 @@ endif
 endif
 ifdef CONFIG_SLIRP
 CPPFLAGS+=-I$(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
-VL_OBJS+=$(addprefix slirp/, $(SLIRP_OBJS))
 endif
 
 VL_LDFLAGS=$(VL_OS_LDFLAGS)
@@ -589,21 +562,9 @@ ifdef CONFIG_WIN32
 SDL_LIBS := $(filter-out -mwindows, $(SDL_LIBS)) -mconsole
 endif
 
-$(QEMU_SYSTEM): $(VL_OBJS) libqemu.a
+$(QEMU_SYSTEM): $(VL_OBJS) ../libqemu_common.a libqemu.a
 	$(CC) $(VL_LDFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) $(SDL_LIBS) $(COCOA_LIBS) $(VL_LIBS)
 
-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 $@ $<
-
-sdlaudio.o: sdlaudio.c
-	$(CC) $(CFLAGS) $(CPPFLAGS) $(SDL_CFLAGS) $(BASE_CFLAGS) -c -o $@ $<
-
 depend: $(SRCS)
 	$(CC) -MM $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) $^ 1>.depend
 
@@ -660,7 +621,7 @@ signal.o: signal.c
 	$(CC) $(CPPFLAGS) -c -o $@ $<
 
 clean:
-	rm -f *.o *.a *~ $(PROGS) gen-op.h opc.h op.h nwfpe/*.o slirp/*.o fpu/*.o
+	rm -f *.o *.a *~ $(PROGS) gen-op.h opc.h op.h nwfpe/*.o fpu/*.o
 	rm -f *.d */*.d
 
 install: all
-- 
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