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Re: [Qemu-devel] [PATCH] build: rm libhw


From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH] build: rm libhw
Date: Fri, 05 Oct 2012 11:45:49 -0500
User-agent: Notmuch/0.13.2+93~ged93d79 (http://notmuchmail.org) Emacs/23.3.1 (x86_64-pc-linux-gnu)

Blue Swirl <address@hidden> writes:

> On Fri, Oct 5, 2012 at 4:06 PM, Anthony Liguori <address@hidden> wrote:
>> Signed-off-by: Anthony Liguori <address@hidden>
>> ---
>>  Makefile        |    2 +-
>>  Makefile.hw     |   22 ----------------------
>>  Makefile.objs   |    2 ++
>>  Makefile.target |    1 -
>>  configure       |    5 -----
>>  5 files changed, 3 insertions(+), 29 deletions(-)
>>  delete mode 100644 Makefile.hw
>>
>> diff --git a/Makefile b/Makefile
>> index 1cebe3a..a9c22bf 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -214,7 +214,7 @@ $(qga-obj-y) qemu-ga.o: $(QGALIB_GEN)
>>
>>  qemu-ga$(EXESUF): qemu-ga.o $(qga-obj-y) $(tools-obj-y) $(qapi-obj-y) 
>> $(qobject-obj-y) $(version-obj-y)
>>
>> -QEMULIBS=libhw libuser libdis libdis-user
>> +QEMULIBS=libuser libdis libdis-user
>
> Not related to this patch, but do we need libdis-user anymore since
> user and system objects can be mixed?

I don't know, but the closer we can get to only building objects once
the better.

BTW, we could eliminate the majority of target specific objects by
adding target_getpagesize() and related macros.

The remaining objects that actually touch CPUState can get moved to the
corresponding target-* directories.

Regards,

Anthony Liguori

>
>>
>>  clean:
>>  # avoid old build problems by removing potentially incorrect old files
>> diff --git a/Makefile.hw b/Makefile.hw
>> deleted file mode 100644
>> index 86f0bf4..0000000
>> --- a/Makefile.hw
>> +++ /dev/null
>> @@ -1,22 +0,0 @@
>> -# Makefile for qemu target independent devices.
>> -
>> -include ../config-host.mak
>> -include ../config-all-devices.mak
>> -include $(SRC_PATH)/rules.mak
>> -
>> -.PHONY: all
>> -
>> -$(call set-vpath, $(SRC_PATH))
>> -
>> -QEMU_CFLAGS+=-I..
>> -QEMU_CFLAGS += -I$(SRC_PATH)/include
>> -
>> -include $(SRC_PATH)/Makefile.objs
>> -
>> -all: $(hw-obj-y)
>> -# Dummy command so that make thinks it has done something
>> -       @true
>> -
>> -clean:
>> -       rm -f $(addsuffix *.o, $(sort $(dir $(hw-obj-y))))
>> -       rm -f $(addsuffix *.d, $(sort $(dir $(hw-obj-y))))
>> diff --git a/Makefile.objs b/Makefile.objs
>> index b1f3e22..8c2d474 100644
>> --- a/Makefile.objs
>> +++ b/Makefile.objs
>> @@ -226,6 +226,8 @@ common-obj-y += qmp.o hmp.o
>>
>>  universal-obj-y += $(qapi-obj-y)
>>
>> +common-obj-y += $(hw-obj-y)
>> +
>>  ######################################################################
>>  # guest agent
>>
>> diff --git a/Makefile.target b/Makefile.target
>> index 4449444..3822bc5 100644
>> --- a/Makefile.target
>> +++ b/Makefile.target
>> @@ -154,7 +154,6 @@ 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))
>>  else
>>  all-obj-y += $(addprefix ../libuser/, $(user-obj-y))
>> diff --git a/configure b/configure
>> index e58846d..73a5f3d 100755
>> --- a/configure
>> +++ b/configure
>> @@ -3914,8 +3914,6 @@ fi
>>  if test "$target_softmmu" = "yes" ; then
>>    echo "CONFIG_SOFTMMU=y" >> $config_target_mak
>>    echo "LIBS+=$libs_softmmu $target_libs_softmmu" >> $config_target_mak
>> -  echo "HWDIR=../libhw" >> $config_target_mak
>> -  echo "subdir-$target: subdir-libhw" >> $config_host_mak
>>    if test "$smartcard_nss" = "yes" ; then
>>      echo "subdir-$target: subdir-libcacard" >> $config_host_mak
>>    fi
>> @@ -4157,9 +4155,6 @@ for rom in seabios vgabios ; do
>>      echo "LD=$ld" >> $config_mak
>>  done
>>
>> -d=libhw
>> -symlink "$source_path/Makefile.hw" "$d/Makefile"
>> -
>>  d=libuser
>>  symlink "$source_path/Makefile.user" "$d/Makefile"
>>
>> --
>> 1.7.5.4
>>
>>




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