* Re: [Bug binutils/30281] error: multiple definition of `pwrite@GLIBC_2.2'; on i586-linux-gnu [not found] ` <bug-30281-10543-Y4pxwK86oR@http.sourceware.org/bugzilla/> @ 2023-03-29 16:43 ` Vladimir Mezentsev 2023-03-31 7:18 ` Martin Liška 0 siblings, 1 reply; 2+ messages in thread From: Vladimir Mezentsev @ 2023-03-29 16:43 UTC (permalink / raw) To: binutils On 3/29/23 05:24, mliska at suse dot cz wrote: > https://sourceware.org/bugzilla/show_bug.cgi?id=30281 > > Martin Liska <mliska at suse dot cz> changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > CC| |hjl.tools at gmail dot com > Assignee|vladimir.mezentsev at oracle dot c |unassigned at sourceware dot org > |om | > Status|ASSIGNED |NEW > Component|gprofng |binutils > > --- Comment #3 from Martin Liska <mliska at suse dot cz> --- > Great, thank you Vladimir. I was able to isolate that and reduce it. It started > with 20ea3acc727f3be6322dfbd881e506873535231d and it's regression since > 20ea3acc727f3be6322dfbd881e506873535231d. > > $ cat iotrace.i > extern __inline __attribute__((__gnu_inline__)) void open64(int, ...) {} > int __attribute__((__symver__("open64@GLIBC_2.2"))) __collector_open64_2_2() {} > void open64(int, ...) {} > > $ cat libgprofng.ver > GLIBC_2.2 { > global: > open64; > }; > > $ gcc iotrace.i -shared -fPIC -O2 -Wl,--version-script,libgprofng.ver > -flto-partition=max -flto=auto -B ~/Programming/binutils/objdir/ld -fuse-ld=bfd > /usr/bin/ld.bfd: /tmp/ccLS2iVj.ltrans1.ltrans.o: in function `open64': > <artificial>:(.text+0x0): multiple definition of `open64@GLIBC_2.2'; > /tmp/ccLS2iVj.ltrans0.ltrans.o:<artificial>:(.text+0x0): first defined here > collect2: error: ld returned 1 exit status > > while -fuse-ld=mold or -fuse-ld=lld works fine. gold is also affected. > > @H.J. Can you please take a look? > How do you configure a build to set -fuse-ld=lld ? On Ol9, a build is configured with the -flto option. How can I turn it off ? Thank you, -Vladimir ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Bug binutils/30281] error: multiple definition of `pwrite@GLIBC_2.2'; on i586-linux-gnu 2023-03-29 16:43 ` [Bug binutils/30281] error: multiple definition of `pwrite@GLIBC_2.2'; on i586-linux-gnu Vladimir Mezentsev @ 2023-03-31 7:18 ` Martin Liška 0 siblings, 0 replies; 2+ messages in thread From: Martin Liška @ 2023-03-31 7:18 UTC (permalink / raw) To: Vladimir Mezentsev, binutils On 3/29/23 18:43, Vladimir Mezentsev via Binutils wrote: > > > On 3/29/23 05:24, mliska at suse dot cz wrote: >> https://sourceware.org/bugzilla/show_bug.cgi?id=30281 >> >> Martin Liska <mliska at suse dot cz> changed: >> >> What |Removed |Added >> ---------------------------------------------------------------------------- >> CC| |hjl.tools at gmail dot com >> Assignee|vladimir.mezentsev at oracle dot c |unassigned at sourceware dot org >> |om | >> Status|ASSIGNED |NEW >> Component|gprofng |binutils >> >> --- Comment #3 from Martin Liska <mliska at suse dot cz> --- >> Great, thank you Vladimir. I was able to isolate that and reduce it. It started >> with 20ea3acc727f3be6322dfbd881e506873535231d and it's regression since >> 20ea3acc727f3be6322dfbd881e506873535231d. >> >> $ cat iotrace.i >> extern __inline __attribute__((__gnu_inline__)) void open64(int, ...) {} >> int __attribute__((__symver__("open64@GLIBC_2.2"))) __collector_open64_2_2() {} >> void open64(int, ...) {} >> >> $ cat libgprofng.ver >> GLIBC_2.2 { >> global: >> open64; >> }; >> >> $ gcc iotrace.i -shared -fPIC -O2 -Wl,--version-script,libgprofng.ver >> -flto-partition=max -flto=auto -B ~/Programming/binutils/objdir/ld -fuse-ld=bfd >> /usr/bin/ld.bfd: /tmp/ccLS2iVj.ltrans1.ltrans.o: in function `open64': >> <artificial>:(.text+0x0): multiple definition of `open64@GLIBC_2.2'; >> /tmp/ccLS2iVj.ltrans0.ltrans.o:<artificial>:(.text+0x0): first defined here >> collect2: error: ld returned 1 exit status >> >> while -fuse-ld=mold or -fuse-ld=lld works fine. gold is also affected. >> >> @H.J. Can you please take a look? >> Hello. (It seems the email hasn't reached bugzilla for some reason) > > How do you configure a build to set -fuse-ld=lld ? Build of binutils? You should be able to add (-fuse-ld=lld)to C{,CXX}FLAGS. > > On Ol9, a build is configured with the -flto option. How can I turn it off ? A build of binutils? Martin > > Thank you, > -Vladimir > > ^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2023-03-31 7:18 UTC | newest] Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <bug-30281-10543@http.sourceware.org/bugzilla/> [not found] ` <bug-30281-10543-Y4pxwK86oR@http.sourceware.org/bugzilla/> 2023-03-29 16:43 ` [Bug binutils/30281] error: multiple definition of `pwrite@GLIBC_2.2'; on i586-linux-gnu Vladimir Mezentsev 2023-03-31 7:18 ` Martin Liška
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