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Bug#1033631: marked as done (papi FTBFS on ppc64el with LTO enabled)

Your message dated Wed, 16 Aug 2023 20:56:10 +0000
with message-id <E1qWNYo-00GZJU-Tn@fasolo.debian.org>
and subject line Bug#1033631: fixed in papi 7.0.0-3
has caused the Debian Bug report #1033631,
regarding papi FTBFS on ppc64el with LTO enabled
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
1033631: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1033631
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: papi
Version: 7.0.0-2
Severity: minor
Tags: patch
User: ubuntu-devel@lists.ubuntu.com
Usertags: origin-ubuntu lunar ubuntu-patch

Dear maintainers,

In Ubuntu we have observed that papi fails to build from source on ppc64el:

[...]
cc -I../testlib -I../validation_tests -I.. -I. -g -O3 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -flto=auto -ffat-lto-objects -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g -Wextra  -Wall -DHAVE_ROCM_SMI -DPAPI_NUM_COMP=5 -O1  exeinfo.c ../testlib/libtestlib.a ../libpapi.so.7.0.0.0 -Wl,-Bsymbolic-functions -flto=auto -ffat-lto-objects -Wl,-z,relro -Wl,-z,now -Wl,--enable-new-dtags    -o exeinfo
/usr/bin/ld: /tmp/ccNFJgHF.ltrans0.ltrans.o:(.rodata+0x10): undefined reference to `f08_callback_'
/usr/bin/ld: BFD (GNU Binutils for Ubuntu) 2.40 assertion fail ../../bfd/elf64-ppc.c:17380
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:151: sde_test_f08] Error 1
[...]

This error only happens when LTO is enabled.  It is likely a bug in the LTO
toolchain implementation, but to work around the build failure, I have
uploaded the attached patch to Ubuntu which disables LTO on ppc64el.

This patch should presently be a safe no-op in Debian, since Debian does not
enable LTO by default.  But as there are discussions to enable it by default
in the future, I am forwarding this patch to you in case it proves useful.

Thanks for considering,
-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                   https://www.debian.org/
slangasek@ubuntu.com                                     vorlon@debian.org

diff -Nru papi-7.0.0/debian/rules papi-7.0.0/debian/rules
--- papi-7.0.0/debian/rules	2022-11-29 05:40:48.000000000 -0800
+++ papi-7.0.0/debian/rules	2023-03-28 21:18:17.000000000 -0700
@@ -8,9 +8,14 @@
 # see FEATURE AREAS in dpkg-buildflags(1)
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
+include /usr/share/dpkg/architecture.mk
+
+ifeq ($(DEB_HOST_ARCH),ppc64el)
+    DEB_BUILD_MAINT_OPTIONS += optimize=-lto
+endif
+
 DPKG_EXPORT_BUILDFLAGS	 = yes
 include /usr/share/dpkg/buildflags.mk
-include /usr/share/dpkg/architecture.mk
 
 # Upstream does not use CPPFLAGS
 CFLAGS	+= $(CPPFLAGS)

--- End Message ---
--- Begin Message --- 
Source: papi
Source-Version: 7.0.0-3
Done: Andreas Beckmann <anbe@debian.org>

We believe that the bug you reported is fixed in the latest version of
papi, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1033631@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Andreas Beckmann <anbe@debian.org> (supplier of updated papi package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Wed, 16 Aug 2023 22:13:15 +0200
Source: papi
Architecture: source
Version: 7.0.0-3
Distribution: unstable
Urgency: medium
Maintainer: Debian HPC Team <debian-hpc@lists.debian.org>
Changed-By: Andreas Beckmann <anbe@debian.org>
Closes: 1033631 1049046
Changes:
 papi (7.0.0-3) unstable; urgency=medium
 .
   * Cleanup more generated files.  (Closes: #1049046)
   * Disable LTO on ppc64el.  (Closes: #1033631)
   * Bump Standards-Version to 4.6.2. No changes needed.
Checksums-Sha1:
 294645cfcd4c6cbf4cef61e8e3505cef1d538d18 2275 papi_7.0.0-3.dsc
 ff32697fc9c861df6505b4b1b2a4552b084bbd86 20812 papi_7.0.0-3.debian.tar.xz
 d6f8b88ac5d7256d8f3d9bf72b9be3c723717734 6222 papi_7.0.0-3_source.buildinfo
Checksums-Sha256:
 93458219be74ed29f871d6285925b4ff3bfdabb5db40f115e79b7c5816233337 2275 papi_7.0.0-3.dsc
 ab60d0394f59802186337059f7fef86491834eb1c0ef8fe0d66d35e0a2466156 20812 papi_7.0.0-3.debian.tar.xz
 64b6e6dce0596a29f56917b501c6cee906c82ce63d73cfdaa45f0f4aa9e0c605 6222 papi_7.0.0-3_source.buildinfo
Files:
 b885e5960247394c05ce8cb3caa9a2e1 2275 devel optional papi_7.0.0-3.dsc
 bbe682d3403d08394b883ea141b8670a 20812 devel optional papi_7.0.0-3.debian.tar.xz
 fd5cd13d8b379e9b43a11ad92e5ccfad 6222 devel optional papi_7.0.0-3_source.buildinfo

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--- End Message ---
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