I didn’t mention it but im building qemu out of the source tree(running the configure in a different directory).
I tried to find the missing dependency but no luck.
The build error keeps happening Here is the end of the log(please note that I don’t see here "CC trace/generated-events.o"):.
lt CC trace/generated-events.lo
GEN qemu-doc.html
GEN qemu.1
GEN qemu-img.1
CC qapi-types.o
CC qapi-visit.o
CC qga/commands.o
CPP optionrom/multiboot.asm
CPP optionrom/linuxboot.asm
CC qga/guest-agent-command-state.o
CC qga/main.o
CC qga/commands-posix.o
CPP optionrom/kvmvapic.asm
AS optionrom/multiboot.o
AS optionrom/linuxboot.o
CC qga/channel-posix.o
CC qga/qapi-generated/qga-qapi-types.o
AS optionrom/kvmvapic.o
Building optionrom/multiboot.img
Building optionrom/linuxboot.img
Building optionrom/multiboot.raw
Building optionrom/linuxboot.raw
Building optionrom/kvmvapic.img
CC qga/qapi-generated/qga-qapi-visit.o
Signing optionrom/multiboot.bin
Signing optionrom/linuxboot.bin
CC qga/qapi-generated/qga-qmp-marshal.o
CC qemu-img.o
CC qmp-marshal.o
LINK qemu-bridge-helper
install -c -m 0644 /home/talz/workspace/tools/qemu/qemu/sysconfigs/target/target-x86_64.conf "/home/talz/workspace/ /tools/qemu/install/linux_x86_64/etc/qemu"
Building optionrom/kvmvapic.raw
Signing optionrom/kvmvapic.bin
lt CC trace/generated-tracers.lo
lt LINK libcacard.la
AR libqemustub.a
CC trace/generated-tracers.o
ar: .libs/libcacard.a: Error reading trace/generated-events.o: No such file or directory
make[2]: *** [libcacard.la] Error 1
-----Original Message-----
From: <email address hidden> [mailto:<email address hidden>] On Behalf Of Stefan Hajnoczi
Sent: Monday, June 09, 2014 4:38 PM
To: Tal Zilcer
Subject: Re: [Qemu-devel] [Bug 1324112] [NEW] qemu parallel building error on libcacard.la
On Wed, Jun 04, 2014 at 03:33:34AM -0000, tal zilcer wrote:
> Version 2.0.0
>
> Isn’t the libcacard Makefile run as a recursive make?
> how do you keep the dependencies between two different makes(libcacard and trace)?
In qemu.git/master:Makefile I see:
ifeq ($(CONFIG_SMARTCARD_NSS),y)
include $(SRC_PATH)/libcacard/Makefile
endif
That doesn't look like recursive make to me, but maybe I'm missing
something.
I didn’t mention it but im building qemu out of the source tree(running the configure in a different directory). -events. o"):. -events. lo multiboot. asm linuxboot. asm agent-command- state.o posix.o kvmvapic. asm multiboot. o linuxboot. o generated/ qga-qapi- types.o kvmvapic. o multiboot. img linuxboot. img multiboot. raw linuxboot. raw kvmvapic. img generated/ qga-qapi- visit.o multiboot. bin linuxboot. bin generated/ qga-qmp- marshal. o workspace/ tools/qemu/ qemu/sysconfigs /target/ target- x86_64. conf "/home/ talz/workspace/ /tools/ qemu/install/ linux_x86_ 64/etc/ qemu" kvmvapic. raw kvmvapic. bin -tracers. lo -tracers. o -events. o: No such file or directory
I tried to find the missing dependency but no luck.
The build error keeps happening Here is the end of the log(please note that I don’t see here "CC trace/generated
lt CC trace/generated
GEN qemu-doc.html
GEN qemu.1
GEN qemu-img.1
CC qapi-types.o
CC qapi-visit.o
CC qga/commands.o
CPP optionrom/
CPP optionrom/
CC qga/guest-
CC qga/main.o
CC qga/commands-
CPP optionrom/
AS optionrom/
AS optionrom/
CC qga/channel-posix.o
CC qga/qapi-
AS optionrom/
Building optionrom/
Building optionrom/
Building optionrom/
Building optionrom/
Building optionrom/
CC qga/qapi-
Signing optionrom/
Signing optionrom/
CC qga/qapi-
CC qemu-img.o
CC qmp-marshal.o
LINK qemu-bridge-helper
install -c -m 0644 /home/talz/
Building optionrom/
Signing optionrom/
lt CC trace/generated
lt LINK libcacard.la
AR libqemustub.a
CC trace/generated
ar: .libs/libcacard.a: Error reading trace/generated
make[2]: *** [libcacard.la] Error 1
-----Original Message-----
From: <email address hidden> [mailto:<email address hidden>] On Behalf Of Stefan Hajnoczi
Sent: Monday, June 09, 2014 4:38 PM
To: Tal Zilcer
Subject: Re: [Qemu-devel] [Bug 1324112] [NEW] qemu parallel building error on libcacard.la
On Wed, Jun 04, 2014 at 03:33:34AM -0000, tal zilcer wrote:
> Version 2.0.0
>
> Isn’t the libcacard Makefile run as a recursive make?
> how do you keep the dependencies between two different makes(libcacard and trace)?
In qemu.git/ master: Makefile I see: SMARTCARD_ NSS),y) /libcacard/ Makefile
ifeq ($(CONFIG_
include $(SRC_PATH)
endif
That doesn't look like recursive make to me, but maybe I'm missing
something.
Stefan
-- /bugs.launchpad .net/bugs/ 1324112
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Title:
qemu parallel building error on libcacard.la
Status in QEMU:
New
Bug description:
hi,
im building qemu with a large make -j value(9). query-cpu- def.o stubs/clock-warp.o stubs/cpu- get-clock. o stubs/cpu- get-icount. o stubs/dump.o stubs/fdset- add-fd. o stubs/fdset- find-fd. o stubs/fdset- get-fd. o stubs/fdset- remove- fd.o stubs/gdbstub.o stubs/get-fd.o stubs/get-vm-name.o stubs/iothread- lock.o stubs/migr- blocker. o stubs/mon-is-qmp.o stubs/mon-printf.o stubs/mon- print-filename. o stubs/mon- protocol- event.o stubs/mon- set-error. o stubs/pci- drive-hot- add.o stubs/qtest.o stubs/reset.o stubs/runstate- check.o stubs/set- fd-handler. o stubs/slirp.o stubs/sysbus.o stubs/uuid.o stubs/vm-stop.o stubs/vmstate.o stubs/cpus.o stubs/kvm.o libcacard/cac.o libcacard/event.o libcacard/vcard.o libcacard/vreader.o libcacard/ vcard_emul_ nss.o libcacard/ vcard_emul_ type.o libcacard/ card_7816. o libcacard/vcardt.o util/osdep.o util/cutils.o util/qemu- timer-common. o util/error.o util/qemu-error.o util/oslib-posix.o util/qemu- thread- posix.o trace/generated -events. o trace/default.o trace/control.o trace/generated -tracers. o -events. o: No such file or directory
sometimes the build fails because of an error:
libtool: link: ar cru .libs/libcacard.a stubs/arch-
ar: trace/generated
make[2]: *** [libcacard.la] Error 1
i see the build of generated-events.o in the log before the ar command. npsdb/qemu/ qemu/tcg -I/home/ npsdb/qemu/ qemu/tcg/ i386 -I/home/ npsdb/qemu/ qemu/linux- headers -I/home/ npsdb/qemu/ build/linux_ x86_64/ linux-headers -I. -I/home/ npsdb/qemu/ qemu -I/home/ npsdb/jenkins/ qemu/qemu/ include -I/home/ npsdb/qemu/ qemu/libcacard -Itrace -Itrace -fPIE -DPIE -m64 -D_GNU_SOURCE -D_FILE_ OFFSET_ BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing- prototypes -fno-strict- aliasing -fno-common -Wendif-labels -Wmissing- include- dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored- qualifiers -Wold-style- declaration -Wold-style- definition -Wtype-limits -fstack- protector- all -I/usr/ include/ libpng12 -I/usr/include/nss3 -I/usr/ include/ nspr4 -pthread -I/usr/ include/ glib-2. 0 -I/usr/ lib64/glib- 2.0/include -I/usr/ include/ pixman- 1 -I/home/ npsdb/qemu/ qemu/tests -I qga/qapi-generated -MMD -MP -MT trace/generated -events. o -MF trace/generated -events. d -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -pthread -I/usr/ include/ glib-2. 0 -I/usr/ lib64/glib- 2.0/include -g -c -o trace/generated -events. o trace/generated -events. c
because of the -j it was probably not completed yet.
the generated-events.o build command:
/usr/bin/gcc -I/home/
must be a race condition in the makefile because of a missing dependency.
i tried to find it but it was a little bit complicated to me.
thanks,
tal
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