[Qemu-devel] Re: [PATCH v3] Drop --whole-archive and static libraries

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[Qemu-devel] Re: [PATCH v3] Drop --whole-archive and static libraries

From:	Blue Swirl
Subject:	[Qemu-devel] Re: [PATCH v3] Drop --whole-archive and static libraries
Date:	Thu, 7 Jan 2010 18:10:58 +0000
Thanks, applied.


On Wed, Jan 6, 2010 at 7:24 PM, Andreas Färber <address@hidden> wrote:
> From: Andreas Färber <address@hidden>
>
> Juan has contributed a cool Makefile infrastructure that enables us to drop
> static libraries completely:
>
> Move shared obj-y definitions to Makefile.objs, prefixed {common-,hw-,user-},
> and link those object files directly into the executables.
>
> Replace HWLIB by HWDIR, specifying only the directory.
>
> Drop --whole-archive and ARLIBS in Makefiles and configure.
>
> Drop GENERATED_HEADERS dependency in rules.mak, since this rebuilds all
> common objects after generating a target-specific header; add dependency
> rules to Makefile and Makefile.target instead.
>
> v2:
> - Don't try to include /config.mak for user emulators
> - Changes to user object paths ("Quickfix for libuser.a drop") were obsoleted
>  by "user_only: compile everything with -fpie" (Kirill A. Shutemov)
>
> v3:
> - Fix dependency modelling for tools
> - Remove comment on GENERATED_HEADERS obsoleted by this patch
>
> Signed-off-by: Andreas Färber <address@hidden>
> Cc: Blue Swirl <address@hidden>
> Cc: Palle Lyckegaard <address@hidden>
> Cc: Ben Taylor <address@hidden>
> Cc: Juan Quintela <address@hidden>
> Cc: Kirill A. Shutemov <address@hidden>
> Cc: Paolo Bonzini <address@hidden>
> ---
>  Makefile        |  138 +++++-------------------------------------------
>  Makefile.hw     |   33 +-----------
>  Makefile.objs   |  155 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  Makefile.target |   33 +++++++++---
>  Makefile.user   |    9 +---
>  configure       |   34 +------------
>  rules.mak       |    4 +-
>  7 files changed, 202 insertions(+), 204 deletions(-)
>  create mode 100644 Makefile.objs
>
> diff --git a/Makefile b/Makefile
> index c1fa08c..2ca341b 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1,6 +1,5 @@
>  # Makefile for QEMU.
>
> -# This needs to be defined before rules.mak
>  GENERATED_HEADERS = config-host.h
>
>  ifneq ($(wildcard config-host.mak),)
> @@ -66,7 +65,10 @@ SUBDIR_RULES=$(patsubst %,subdir-%, $(TARGET_DIRS))
>  subdir-%: $(GENERATED_HEADERS)
>        $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $* V="$(V)" 
> TARGET_DIR="$*/" all,)
>
> -$(filter %-softmmu,$(SUBDIR_RULES)): libqemu_common.a
> +include $(SRC_PATH)/Makefile.objs
> +
> +$(common-obj-y): $(GENERATED_HEADERS)
> +$(filter %-softmmu,$(SUBDIR_RULES)): $(common-obj-y)
>
>  $(filter %-user,$(SUBDIR_RULES)): libuser.a
>
> @@ -81,124 +83,8 @@ ALL_SUBDIRS=$(TARGET_DIRS) $(patsubst %,pc-bios/%, 
> $(ROMS))
>
>  recurse-all: $(SUBDIR_RULES) $(ROMSUBDIR_RULES)
>
> -#######################################################################
> -# QObject
> -qobject-obj-y = qint.o qstring.o qdict.o qlist.o qfloat.o qbool.o
> -qobject-obj-y += qjson.o json-lexer.o json-streamer.o json-parser.o
> -qobject-obj-y += qerror.o
> -
> -#######################################################################
> -# block-obj-y is code used by both qemu system emulation and qemu-img
> -
> -block-obj-y = cutils.o cache-utils.o qemu-malloc.o qemu-option.o module.o
> -block-obj-y += nbd.o block.o aio.o aes.o osdep.o
> -block-obj-$(CONFIG_POSIX) += posix-aio-compat.o
> -block-obj-$(CONFIG_LINUX_AIO) += linux-aio.o
> -
> -block-nested-y += cow.o qcow.o vdi.o vmdk.o cloop.o dmg.o bochs.o vpc.o 
> vvfat.o
> -block-nested-y += qcow2.o qcow2-refcount.o qcow2-cluster.o qcow2-snapshot.o
> -block-nested-y += parallels.o nbd.o
> -block-nested-$(CONFIG_WIN32) += raw-win32.o
> -block-nested-$(CONFIG_POSIX) += raw-posix.o
> -block-nested-$(CONFIG_CURL) += curl.o
> -
> -block-obj-y +=  $(addprefix block/, $(block-nested-y))
> -
> -net-obj-y = net.o
> -net-nested-y = queue.o checksum.o util.o
> -net-nested-y += socket.o
> -net-nested-y += dump.o
> -net-nested-$(CONFIG_POSIX) += tap.o
> -net-nested-$(CONFIG_LINUX) += tap-linux.o
> -net-nested-$(CONFIG_WIN32) += tap-win32.o
> -net-nested-$(CONFIG_BSD) += tap-bsd.o
> -net-nested-$(CONFIG_SOLARIS) += tap-solaris.o
> -net-nested-$(CONFIG_AIX) += tap-aix.o
> -net-nested-$(CONFIG_SLIRP) += slirp.o
> -net-nested-$(CONFIG_VDE) += vde.o
> -net-obj-y += $(addprefix net/, $(net-nested-y))
> -
> -######################################################################
> -# libqemu_common.a: Target independent 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.
> -
> -obj-y = $(block-obj-y)
> -obj-y += $(net-obj-y)
> -obj-y += $(qobject-obj-y)
> -obj-y += readline.o console.o
> -
> -obj-y += tcg-runtime.o host-utils.o
> -obj-y += irq.o ioport.o
> -obj-$(CONFIG_PTIMER) += ptimer.o
> -obj-$(CONFIG_MAX7310) += max7310.o
> -obj-$(CONFIG_WM8750) += wm8750.o
> -obj-$(CONFIG_TWL92230) += twl92230.o
> -obj-$(CONFIG_TSC2005) += tsc2005.o
> -obj-$(CONFIG_LM832X) += lm832x.o
> -obj-$(CONFIG_TMP105) += tmp105.o
> -obj-$(CONFIG_STELLARIS_INPUT) += stellaris_input.o
> -obj-$(CONFIG_SSD0303) += ssd0303.o
> -obj-$(CONFIG_SSD0323) += ssd0323.o
> -obj-$(CONFIG_ADS7846) += ads7846.o
> -obj-$(CONFIG_MAX111X) += max111x.o
> -obj-$(CONFIG_DS1338) += ds1338.o
> -obj-y += i2c.o smbus.o smbus_eeprom.o
> -obj-y += eeprom93xx.o
> -obj-y += scsi-disk.o cdrom.o
> -obj-y += scsi-generic.o scsi-bus.o
> -obj-y += usb.o usb-hub.o usb-$(HOST_USB).o usb-hid.o usb-msd.o usb-wacom.o
> -obj-y += usb-serial.o usb-net.o usb-bus.o
> -obj-$(CONFIG_SSI) += ssi.o
> -obj-$(CONFIG_SSI_SD) += ssi-sd.o
> -obj-$(CONFIG_SD) += sd.o
> -obj-y += bt.o bt-host.o bt-vhci.o bt-l2cap.o bt-sdp.o bt-hci.o bt-hid.o 
> usb-bt.o
> -obj-y += bt-hci-csr.o
> -obj-y += buffered_file.o migration.o migration-tcp.o qemu-sockets.o
> -obj-y += qemu-char.o aio.o savevm.o
> -obj-y += msmouse.o ps2.o
> -obj-y += qdev.o qdev-properties.o
> -obj-y += qemu-config.o block-migration.o
> -
> -obj-$(CONFIG_BRLAPI) += baum.o
> -obj-$(CONFIG_POSIX) += migration-exec.o migration-unix.o migration-fd.o
> -
>  audio/audio.o audio/fmodaudio.o: QEMU_CFLAGS += $(FMOD_CFLAGS)
>
> -audio-obj-y = audio.o noaudio.o wavaudio.o mixeng.o
> -audio-obj-$(CONFIG_SDL) += sdlaudio.o
> -audio-obj-$(CONFIG_OSS) += ossaudio.o
> -audio-obj-$(CONFIG_COREAUDIO) += coreaudio.o
> -audio-obj-$(CONFIG_ALSA) += alsaaudio.o
> -audio-obj-$(CONFIG_DSOUND) += dsoundaudio.o
> -audio-obj-$(CONFIG_FMOD) += fmodaudio.o
> -audio-obj-$(CONFIG_ESD) += esdaudio.o
> -audio-obj-$(CONFIG_PA) += paaudio.o
> -audio-obj-$(CONFIG_WINWAVE) += winwaveaudio.o
> -audio-obj-$(CONFIG_AUDIO_PT_INT) += audio_pt_int.o
> -audio-obj-$(CONFIG_AUDIO_WIN_INT) += audio_win_int.o
> -audio-obj-y += wavcapture.o
> -obj-y += $(addprefix audio/, $(audio-obj-y))
> -
> -obj-y += keymaps.o
> -obj-$(CONFIG_SDL) += sdl.o sdl_zoom.o x_keymap.o
> -obj-$(CONFIG_CURSES) += curses.o
> -obj-y += vnc.o acl.o d3des.o
> -obj-$(CONFIG_VNC_TLS) += vnc-tls.o vnc-auth-vencrypt.o
> -obj-$(CONFIG_VNC_SASL) += vnc-auth-sasl.o
> -obj-$(CONFIG_COCOA) += cocoa.o
> -obj-$(CONFIG_IOTHREAD) += qemu-thread.o
> -
> -slirp-obj-y = cksum.o if.o ip_icmp.o ip_input.o ip_output.o
> -slirp-obj-y += slirp.o mbuf.o misc.o sbuf.o socket.o tcp_input.o tcp_output.o
> -slirp-obj-y += tcp_subr.o tcp_timer.o udp.o bootp.o tftp.o
> -obj-$(CONFIG_SLIRP) += $(addprefix slirp/, $(slirp-obj-y))
> -
> -# xen backend driver support
> -obj-$(CONFIG_XEN) += xen_backend.o xen_devconfig.o
> -obj-$(CONFIG_XEN) += xen_console.o xenfb.o xen_disk.o xen_nic.o
> -
>  QEMU_CFLAGS+=$(CURL_CFLAGS)
>
>  cocoa.o: cocoa.m
> @@ -229,17 +115,23 @@ curses.o: curses.c keymaps.h curses_keys.h
>
>  bt-host.o: QEMU_CFLAGS += $(BLUEZ_CFLAGS)
>
> -libqemu_common.a: $(obj-y)
> -
>  ######################################################################
>
>  qemu-img.o: qemu-img-cmds.h
>
> -qemu-img$(EXESUF): qemu-img.o qemu-tool.o $(block-obj-y) $(qobject-obj-y)
> +obj-y = qemu-img.o qemu-tool.o $(block-obj-y) $(qobject-obj-y)
> +
> +qemu-img$(EXESUF): $(obj-y)
> +
> +obj-y = qemu-nbd.o qemu-tool.o $(block-obj-y) $(qobject-obj-y)
> +$(obj-y): $(GENERATED_HEADERS)
> +
> +qemu-nbd$(EXESUF): $(obj-y)
>
> -qemu-nbd$(EXESUF):  qemu-nbd.o qemu-tool.o $(block-obj-y) $(qobject-obj-y)
> +obj-y = qemu-io.o qemu-tool.o cmd.o $(block-obj-y) $(qobject-obj-y)
> +$(obj-y): $(GENERATED_HEADERS)
>
> -qemu-io$(EXESUF):  qemu-io.o qemu-tool.o cmd.o $(block-obj-y) 
> $(qobject-obj-y)
> +qemu-io$(EXESUF): $(obj-y)
>
>  qemu-img-cmds.h: $(SRC_PATH)/qemu-img-cmds.hx
>        $(call quiet-command,sh $(SRC_PATH)/hxtool -h < $< > $@,"  GEN   $@")
> diff --git a/Makefile.hw b/Makefile.hw
> index bd252f5..ff87ae4 100644
> --- a/Makefile.hw
> +++ b/Makefile.hw
> @@ -11,41 +11,12 @@ VPATH=$(SRC_PATH):$(SRC_PATH)/hw
>
>  QEMU_CFLAGS+=-I.. -I$(SRC_PATH)/fpu
>
> -obj-y =
> -obj-y += loader.o
> -obj-y += virtio.o
> -obj-y += fw_cfg.o
> -obj-y += watchdog.o
> -obj-$(CONFIG_ECC) += ecc.o
> -obj-$(CONFIG_NAND) += nand.o
> +include $(SRC_PATH)/Makefile.objs
>
> -obj-$(CONFIG_M48T59) += m48t59.o
> -obj-$(CONFIG_ESCC) += escc.o
> -
> -# PCI watchdog devices
> -obj-y += wdt_i6300esb.o
> -
> -obj-y += msix.o
> -
> -# PCI network cards
> -obj-y += ne2000.o
> -
> -obj-$(CONFIG_SMC91C111) += smc91c111.o
> -obj-$(CONFIG_LAN9118) += lan9118.o
> -
> -# SCSI layer
> -obj-y += lsi53c895a.o
> -obj-$(CONFIG_ESP) += esp.o
> -
> -obj-y += dma-helpers.o sysbus.o isa-bus.o
> -obj-$(CONFIG_QDEV_ADDR) += qdev-addr.o
> -
> -all: $(HWLIB)
> +all: $(hw-obj-y)
>  # Dummy command so that make thinks it has done something
>       address@hidden
>
> -$(HWLIB): $(obj-y)
> -
>  clean:
>        rm -f *.o *.d *.a *~
>
> diff --git a/Makefile.objs b/Makefile.objs
> new file mode 100644
> index 0000000..e8a44d7
> --- /dev/null
> +++ b/Makefile.objs
> @@ -0,0 +1,155 @@
> +#######################################################################
> +# QObject
> +qobject-obj-y = qint.o qstring.o qdict.o qlist.o qfloat.o qbool.o
> +qobject-obj-y += qjson.o json-lexer.o json-streamer.o json-parser.o
> +qobject-obj-y += qerror.o
> +
> +#######################################################################
> +# block-obj-y is code used by both qemu system emulation and qemu-img
> +
> +block-obj-y = cutils.o cache-utils.o qemu-malloc.o qemu-option.o module.o
> +block-obj-y += nbd.o block.o aio.o aes.o osdep.o
> +block-obj-$(CONFIG_POSIX) += posix-aio-compat.o
> +block-obj-$(CONFIG_LINUX_AIO) += linux-aio.o
> +
> +block-nested-y += cow.o qcow.o vdi.o vmdk.o cloop.o dmg.o bochs.o vpc.o 
> vvfat.o
> +block-nested-y += qcow2.o qcow2-refcount.o qcow2-cluster.o qcow2-snapshot.o
> +block-nested-y += parallels.o nbd.o
> +block-nested-$(CONFIG_WIN32) += raw-win32.o
> +block-nested-$(CONFIG_POSIX) += raw-posix.o
> +block-nested-$(CONFIG_CURL) += curl.o
> +
> +block-obj-y +=  $(addprefix block/, $(block-nested-y))
> +
> +net-obj-y = net.o
> +net-nested-y = queue.o checksum.o util.o
> +net-nested-y += socket.o
> +net-nested-y += dump.o
> +net-nested-$(CONFIG_POSIX) += tap.o
> +net-nested-$(CONFIG_LINUX) += tap-linux.o
> +net-nested-$(CONFIG_WIN32) += tap-win32.o
> +net-nested-$(CONFIG_BSD) += tap-bsd.o
> +net-nested-$(CONFIG_SOLARIS) += tap-solaris.o
> +net-nested-$(CONFIG_AIX) += tap-aix.o
> +net-nested-$(CONFIG_SLIRP) += slirp.o
> +net-nested-$(CONFIG_VDE) += vde.o
> +net-obj-y += $(addprefix net/, $(net-nested-y))
> +
> +######################################################################
> +# libqemu_common.a: Target independent 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.
> +
> +common-obj-y = $(block-obj-y)
> +common-obj-y += $(net-obj-y)
> +common-obj-y += $(qobject-obj-y)
> +common-obj-y += readline.o console.o
> +
> +common-obj-y += tcg-runtime.o host-utils.o
> +common-obj-y += irq.o ioport.o
> +common-obj-$(CONFIG_PTIMER) += ptimer.o
> +common-obj-$(CONFIG_MAX7310) += max7310.o
> +common-obj-$(CONFIG_WM8750) += wm8750.o
> +common-obj-$(CONFIG_TWL92230) += twl92230.o
> +common-obj-$(CONFIG_TSC2005) += tsc2005.o
> +common-obj-$(CONFIG_LM832X) += lm832x.o
> +common-obj-$(CONFIG_TMP105) += tmp105.o
> +common-obj-$(CONFIG_STELLARIS_INPUT) += stellaris_input.o
> +common-obj-$(CONFIG_SSD0303) += ssd0303.o
> +common-obj-$(CONFIG_SSD0323) += ssd0323.o
> +common-obj-$(CONFIG_ADS7846) += ads7846.o
> +common-obj-$(CONFIG_MAX111X) += max111x.o
> +common-obj-$(CONFIG_DS1338) += ds1338.o
> +common-obj-y += i2c.o smbus.o smbus_eeprom.o
> +common-obj-y += eeprom93xx.o
> +common-obj-y += scsi-disk.o cdrom.o
> +common-obj-y += scsi-generic.o scsi-bus.o
> +common-obj-y += usb.o usb-hub.o usb-$(HOST_USB).o usb-hid.o usb-msd.o 
> usb-wacom.o
> +common-obj-y += usb-serial.o usb-net.o usb-bus.o
> +common-obj-$(CONFIG_SSI) += ssi.o
> +common-obj-$(CONFIG_SSI_SD) += ssi-sd.o
> +common-obj-$(CONFIG_SD) += sd.o
> +common-obj-y += bt.o bt-host.o bt-vhci.o bt-l2cap.o bt-sdp.o bt-hci.o 
> bt-hid.o usb-bt.o
> +common-obj-y += bt-hci-csr.o
> +common-obj-y += buffered_file.o migration.o migration-tcp.o qemu-sockets.o
> +common-obj-y += qemu-char.o savevm.o #aio.o
> +common-obj-y += msmouse.o ps2.o
> +common-obj-y += qdev.o qdev-properties.o
> +common-obj-y += qemu-config.o block-migration.o
> +
> +common-obj-$(CONFIG_BRLAPI) += baum.o
> +common-obj-$(CONFIG_POSIX) += migration-exec.o migration-unix.o 
> migration-fd.o
> +
> +audio-obj-y = audio.o noaudio.o wavaudio.o mixeng.o
> +audio-obj-$(CONFIG_SDL) += sdlaudio.o
> +audio-obj-$(CONFIG_OSS) += ossaudio.o
> +audio-obj-$(CONFIG_COREAUDIO) += coreaudio.o
> +audio-obj-$(CONFIG_ALSA) += alsaaudio.o
> +audio-obj-$(CONFIG_DSOUND) += dsoundaudio.o
> +audio-obj-$(CONFIG_FMOD) += fmodaudio.o
> +audio-obj-$(CONFIG_ESD) += esdaudio.o
> +audio-obj-$(CONFIG_PA) += paaudio.o
> +audio-obj-$(CONFIG_WINWAVE) += winwaveaudio.o
> +audio-obj-$(CONFIG_AUDIO_PT_INT) += audio_pt_int.o
> +audio-obj-$(CONFIG_AUDIO_WIN_INT) += audio_win_int.o
> +audio-obj-y += wavcapture.o
> +common-obj-y += $(addprefix audio/, $(audio-obj-y))
> +
> +common-obj-y += keymaps.o
> +common-obj-$(CONFIG_SDL) += sdl.o sdl_zoom.o x_keymap.o
> +common-obj-$(CONFIG_CURSES) += curses.o
> +common-obj-y += vnc.o acl.o d3des.o
> +common-obj-$(CONFIG_VNC_TLS) += vnc-tls.o vnc-auth-vencrypt.o
> +common-obj-$(CONFIG_VNC_SASL) += vnc-auth-sasl.o
> +common-obj-$(CONFIG_COCOA) += cocoa.o
> +common-obj-$(CONFIG_IOTHREAD) += qemu-thread.o
> +
> +slirp-obj-y = cksum.o if.o ip_icmp.o ip_input.o ip_output.o
> +slirp-obj-y += slirp.o mbuf.o misc.o sbuf.o socket.o tcp_input.o tcp_output.o
> +slirp-obj-y += tcp_subr.o tcp_timer.o udp.o bootp.o tftp.o
> +common-obj-$(CONFIG_SLIRP) += $(addprefix slirp/, $(slirp-obj-y))
> +
> +# xen backend driver support
> +common-obj-$(CONFIG_XEN) += xen_backend.o xen_devconfig.o
> +common-obj-$(CONFIG_XEN) += xen_console.o xenfb.o xen_disk.o xen_nic.o
> +
> +######################################################################
> +# libuser
> +
> +user-obj-y =
> +user-obj-y += envlist.o path.o
> +user-obj-y += tcg-runtime.o host-utils.o
> +user-obj-y += cutils.o cache-utils.o
> +
> +######################################################################
> +# libhw
> +
> +hw-obj-y =
> +hw-obj-y += loader.o
> +hw-obj-y += virtio.o
> +hw-obj-y += fw_cfg.o
> +hw-obj-y += watchdog.o
> +hw-obj-$(CONFIG_ECC) += ecc.o
> +hw-obj-$(CONFIG_NAND) += nand.o
> +
> +hw-obj-$(CONFIG_M48T59) += m48t59.o
> +hw-obj-$(CONFIG_ESCC) += escc.o
> +
> +# PCI watchdog devices
> +hw-obj-y += wdt_i6300esb.o
> +
> +hw-obj-y += msix.o
> +
> +# PCI network cards
> +hw-obj-y += ne2000.o
> +
> +hw-obj-$(CONFIG_SMC91C111) += smc91c111.o
> +hw-obj-$(CONFIG_LAN9118) += lan9118.o
> +
> +# SCSI layer
> +hw-obj-y += lsi53c895a.o
> +hw-obj-$(CONFIG_ESP) += esp.o
> +
> +hw-obj-y += dma-helpers.o sysbus.o isa-bus.o
> +hw-obj-$(CONFIG_QDEV_ADDR) += qdev-addr.o
> diff --git a/Makefile.target b/Makefile.target
> index 7c1f30c..543e8cd 100644
> --- a/Makefile.target
> +++ b/Makefile.target
> @@ -1,17 +1,21 @@
>  # -*- Mode: makefile -*-
>
> -# This needs to be defined before rules.mak
>  GENERATED_HEADERS = config-target.h
>
>  include ../config-host.mak
>  include config-devices.mak
>  include config-target.mak
>  include $(SRC_PATH)/rules.mak
> +ifneq ($(HWDIR),)
> +include $(HWDIR)/config.mak
> +endif
>
>  TARGET_PATH=$(SRC_PATH)/target-$(TARGET_BASE_ARCH)
>  VPATH=$(SRC_PATH):$(TARGET_PATH):$(SRC_PATH)/hw
>  QEMU_CFLAGS+= -I.. -I$(TARGET_PATH) -DNEED_CPU_H
>
> +include $(SRC_PATH)/Makefile.objs
> +
>  ifdef CONFIG_USER_ONLY
>  # user emulator name
>  QEMU_PROG=qemu-$(TARGET_ARCH2)
> @@ -64,9 +68,9 @@ libobj-$(CONFIG_S390_DIS) += s390-dis.o
>  libobj-$(CONFIG_SH4_DIS) += sh4-dis.o
>  libobj-$(CONFIG_SPARC_DIS) += sparc-dis.o
>
> -# libqemu
> +$(libobj-y): $(GENERATED_HEADERS)
>
> -libqemu.a: $(libobj-y)
> +# libqemu
>
>  translate.o: translate.c cpu.h
>
> @@ -106,7 +110,10 @@ obj-arm-y += arm-semi.o
>
>  obj-m68k-y += m68k-sim.o m68k-semi.o
>
> -ARLIBS=../libuser/libuser.a libqemu.a
> +$(obj-y) $(obj-$(TARGET_BASE_ARCH)-y): $(GENERATED_HEADERS)
> +
> +obj-y += $(addprefix ../libuser/, $(user-obj-y))
> +obj-y += $(libobj-y)
>
>  endif #CONFIG_LINUX_USER
>
> @@ -128,7 +135,10 @@ obj-y = main.o commpage.o machload.o mmap.o signal.o 
> syscall.o thunk.o \
>
>  obj-i386-y += ioport-user.o
>
> -ARLIBS=../libuser/libuser.a libqemu.a
> +$(obj-y) $(obj-$(TARGET_BASE_ARCH)-y): $(GENERATED_HEADERS)
> +
> +obj-y += $(addprefix ../libuser/, $(user-obj-y))
> +obj-y += $(libobj-y)
>
>  endif #CONFIG_DARWIN_USER
>
> @@ -145,7 +155,10 @@ obj-y = main.o bsdload.o elfload.o mmap.o signal.o 
> strace.o syscall.o \
>
>  obj-i386-y += ioport-user.o
>
> -ARLIBS=../libuser/libuser.a libqemu.a
> +$(obj-y) $(obj-$(TARGET_BASE_ARCH)-y): $(GENERATED_HEADERS)
> +
> +obj-y += $(addprefix ../libuser/, $(user-obj-y))
> +obj-y += $(libobj-y)
>
>  endif #CONFIG_BSD_USER
>
> @@ -303,13 +316,17 @@ vl.o: qemu-options.h
>
>  monitor.o: qemu-monitor.h
>
> -ARLIBS=../libqemu_common.a libqemu.a $(HWLIB)
> +$(obj-y) $(obj-$(TARGET_BASE_ARCH)-y): $(GENERATED_HEADERS)
> +
> +obj-y += $(addprefix ../, $(common-obj-y))
> +obj-y += $(libobj-y)
> +obj-y += $(addprefix $(HWDIR)/, $(hw-obj-y))
>
>  endif # CONFIG_SOFTMMU
>
>  obj-$(CONFIG_GDBSTUB_XML) += gdbstub-xml.o
>
> -$(QEMU_PROG): $(obj-y) $(obj-$(TARGET_BASE_ARCH)-y) $(ARLIBS)
> +$(QEMU_PROG): $(obj-y) $(obj-$(TARGET_BASE_ARCH)-y)
>        $(call LINK,$(obj-y) $(obj-$(TARGET_BASE_ARCH)-y))
>
>
> diff --git a/Makefile.user b/Makefile.user
> index 7daedef..c6ac509 100644
> --- a/Makefile.user
> +++ b/Makefile.user
> @@ -14,17 +14,12 @@ vpath %.c %.h $(SRC_PATH)
>
>  QEMU_CFLAGS+=-I..
>
> -obj-y =
> -obj-y += envlist.o path.o
> -obj-y += tcg-runtime.o host-utils.o
> -obj-y += cutils.o cache-utils.o
> +include $(SRC_PATH)/Makefile.objs
>
> -all: libuser.a
> +all: $(user-obj-y)
>  # Dummy command so that make thinks it has done something
>       address@hidden
>
> -libuser.a: $(obj-y)
> -
>  clean:
>        rm -f *.o *.d *.a *~
>
> diff --git a/configure b/configure
> index 18aed43..1e9dd04 100755
> --- a/configure
> +++ b/configure
> @@ -1707,37 +1707,6 @@ elif compile_prog "" "-lrt" ; then
>   LIBS="-lrt $LIBS"
>  fi
>
> -# Determine what linker flags to use to force archive inclusion
> -check_linker_flags()
> -{
> -    w2=
> -    if test "$2" ; then
> -       w2=-Wl,$2
> -    fi
> -    compile_prog "" "-Wl,$1 ${w2}"
> -}
> -
> -cat > $TMPC << EOF
> -int main(void) { }
> -EOF
> -if check_linker_flags --whole-archive --no-whole-archive ; then
> -    # GNU ld
> -    arlibs_begin="-Wl,--whole-archive"
> -    arlibs_end="-Wl,--no-whole-archive"
> -elif check_linker_flags -z,allextract -z,defaultextract ; then
> -    # Solaris ld
> -    arlibs_begin="-Wl,-z,allextract"
> -    arlibs_end="-Wl,-z,defaultextract"
> -elif check_linker_flags -all_load ; then
> -    # Mac OS X
> -    arlibs_begin="-all_load"
> -    arlibs_end=""
> -else
> -    echo "Error: your linker does not support --whole-archive or -z."
> -    echo "Please report to address@hidden"
> -    exit 1
> -fi
> -
>  if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
>         "$aix" != "yes" ; then
>     libs_softmmu="-lutil $libs_softmmu"
> @@ -2427,7 +2396,7 @@ fi
>  if test "$target_softmmu" = "yes" ; then
>   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
>   echo "LIBS+=$libs_softmmu" >> $config_target_mak
> -  echo "HWLIB=../libhw$target_phys_bits/libqemuhw$target_phys_bits.a" >> 
> $config_target_mak
> +  echo "HWDIR=../libhw$target_phys_bits" >> $config_target_mak
>   echo "subdir-$target: subdir-libhw$target_phys_bits" >> $config_host_mak
>  fi
>  if test "$target_user_only" = "yes" ; then
> @@ -2644,7 +2613,6 @@ for hwlib in 32 64; do
>   mkdir -p $d
>   rm -f $d/Makefile
>   ln -s $source_path/Makefile.hw $d/Makefile
> -  echo "HWLIB=libqemuhw$hwlib.a" > $d/config.mak
>   echo "QEMU_CFLAGS+=-DTARGET_PHYS_ADDR_BITS=$hwlib" >> $d/config.mak
>  done
>
> diff --git a/rules.mak b/rules.mak
> index 5d9f684..9bcf9af 100644
> --- a/rules.mak
> +++ b/rules.mak
> @@ -14,7 +14,7 @@ MAKEFLAGS += -rR
>  # Flags for dependency generation
>  QEMU_DGFLAGS += -MMD -MP -MT $@
>
> -%.o: %.c $(GENERATED_HEADERS)
> +%.o: %.c
>        $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c 
> -o $@ $<,"  CC    $(TARGET_DIR)$@")
>
>  %.o: %.S
> @@ -23,7 +23,7 @@ QEMU_DGFLAGS += -MMD -MP -MT $@
>  %.o: %.m
>        $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c 
> -o $@ $<,"  OBJC  $(TARGET_DIR)$@")
>
> -LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ 
> $(1) $(ARLIBS_BEGIN) $(ARLIBS) $(ARLIBS_END) $(LIBS),"  LINK  
> $(TARGET_DIR)$@")
> +LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ 
> $(1) $(LIBS),"  LINK  $(TARGET_DIR)$@")
>
>  %$(EXESUF): %.o
>        $(call LINK,$^)
> --
> 1.6.5.3
>
>
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Re: [Qemu-devel] [PATCH v2] Drop --whole-archive and static libraries, Blue Swirl, 2010/01/03
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  - Re: [Qemu-devel] [PATCH v2] Drop --whole-archive and static libraries, Andreas Färber, 2010/01/06
    - [Qemu-devel] [PATCH v3] Drop --whole-archive and static libraries, Andreas Färber, 2010/01/06
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    - Re: [Qemu-devel] [PATCH v2] Drop --whole-archive and static libraries, Blue Swirl, 2010/01/06
    - Re: [Qemu-devel] [PATCH v2] Drop --whole-archive and static libraries, Andreas Färber, 2010/01/06
    - Re: [Qemu-devel] [PATCH v2] Drop --whole-archive and static libraries, Blue Swirl, 2010/01/06
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