[ovs-discuss] Building OvS with clang 32bit - shared and not shared libraries
Sirvys, Andrius
andrius.sirvys at intel.com
Mon Aug 19 09:09:49 UTC 2019
Had a go at your suggestion, however exact same issue.
Included the full failure.
lib/.libs/libopenvswitch.a(rconn.o): In function `llsat_mul':
rconn.c:(.text+0x3c0): undefined reference to `__mulodi4'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Makefile:4623: recipe for target 'utilities/ovs-testcontroller' failed
make[2]: *** [utilities/ovs-testcontroller] Error 1
make[2]: *** Waiting for unfinished jobs....
lib/.libs/libopenvswitch.a(rconn.o): In function `llsat_mul':
rconn.c:(.text+0x3c0): undefined reference to `__mulodi4'
lib/.libs/libopenvswitch.a(rconn.o): In function `llsat_mul':
rconn.c:(.text+0x3c0): undefined reference to `__mulodi4'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Makefile:4341: recipe for target 'ovn/controller/ovn-controller' failed
make[2]: *** [ovn/controller/ovn-controller] Error 1
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Makefile:4653: recipe for target 'vswitchd/ovs-vswitchd' failed
make[2]: *** [vswitchd/ovs-vswitchd] Error 1
tests/test-util.o: In function `llsat_mul':
test-util.c:(.text+0xd3f0): undefined reference to `__mulodi4'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Makefile:4543: recipe for target 'tests/ovstest' failed
make[2]: *** [tests/ovstest] Error 1
make[2]: Leaving directory '/root/ovsClang'
Makefile:6058: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/root/ovsClang'
Makefile:3625: recipe for target 'all' failed
make: *** [all] Error 2
Thanks again.
> -----Original Message-----
> From: Ben Pfaff [mailto:blp at ovn.org]
> Sent: Friday, August 16, 2019 8:25 PM
> To: Sirvys, Andrius <andrius.sirvys at intel.com>
> Cc: ovs-discuss at openvswitch.org
> Subject: Re: [ovs-discuss] Building OvS with clang 32bit - shared and not shared
> libraries
>
> On Tue, Aug 06, 2019 at 04:06:53PM +0000, Sirvys, Andrius wrote:
> > Hi.
> >
> > I'm trying to build 32 bit OvS using clang. It's on Ubuntu 18.04 LTS
> > I'm on commit a8f005cf26fd16f77133d67fe4b205409fc444db (HEAD ->
> > master, origin/master, origin/HEAD)
> > Author: John Hurley <john.hurley at netronome.com>
> > Date: Tue Jul 30 12:05:17 2019 +0100
> >
> >
> > The configuration I'm using is
> > ./configure CC=clang --enable-Werror --enable-ssl/--disable-ssl
> > make -j CFLAGS=-m32
> >
> >
> > No matter if I build with shared libraries enabled or disabled I keep running into
> the same issue
> > lib/.libs/libopenvswitch.a(rconn.o): In function `llsat_mul':
> > rconn.c:(.text+0x3c0): undefined reference to `__mulodi4'
> >
> > I'm thinking it could possibly be that this 32bit build is trying to link with some
> 64bit library? Not exactly sure what's going on.
> > Would appreciate any advice or pointers on where to go or how to fix this.
>
> It's probably a bad idea to add CFLAGS that change the architecture after
> running "configure". Try adding CFLAGS=-m32 to the configure command line
> instead.
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