Your message dated Wed, 13 Nov 2019 08:44:26 +0000
with message-id <e1iuogi-0004ge...@fasolo.debian.org>
and subject line Bug#943920: fixed in llvm-toolchain-8 1:8.0.1-4
has caused the Debian Bug report #943920,
regarding llvm-toolchain-8: FTBFS since migration of gcc-defaults to gcc-9
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.)
--
943920: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=943920
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Source: llvm-toolchain-8
Version: 1:8.0.1-3
Severity: serious
Justification: FTBFS
Hello,
Since the migration of gcc-defaults to gcc-9, llvm-toolchain-8 FTBFS,
with
CMake Error at tools/polly/lib/External/CMakeLists.txt:91 (message):
No ffs implementation found
looking at CMakeError.log, one actually see:
Source file was:
int main() { (void)__builtin_ffs(0); return 0; }
Performing C SOURCE FILE Test HAVE_DECL__BITSCANFORWARD failed with the
following output:
Change Dir: /build/llvm-toolchain-8-8.0.1/build-llvm/CMakeFiles/CMakeTmp
Run Build Command:"/usr/bin/make" "cmTC_11f2c/fast"
make[2]: Entering directory
'/build/llvm-toolchain-8-8.0.1/build-llvm/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_11f2c.dir/build.make
CMakeFiles/cmTC_11f2c.dir/build
make[3]: Entering directory
'/build/llvm-toolchain-8-8.0.1/build-llvm/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_11f2c.dir/src.c.o
/usr/bin/gcc-9 -D_GNU_SOURCE -g -O2
-fdebug-prefix-map=/build/llvm-toolchain-8-8.0.1=. -fstack-protector-strong
-Wformat -Werror=format-security -fPIC -Werror=date-time -Wall -Wextra
-Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -pedantic
-Wno-long-long -Wimplicit-fallthrough -Wno-comment -ffunction-sections
-fdata-sections -flto=thin -DHAVE_DECL__BITSCANFORWARD -o
CMakeFiles/cmTC_11f2c.dir/src.c.o -c
/build/llvm-toolchain-8-8.0.1/build-llvm/CMakeFiles/CMakeTmp/src.c
cc1: error: unrecognized argument to '-flto=' option: 'thin'
i.e. llvm passed -flto=thin to gcc-9, which does not understand it.
gcc-8 used to understand it, but not gcc-9 any more. I had to comment in
debian/rules CMAKE_EXTRA += -DLLVM_ENABLE_LTO="Thin" to get it built.
Samuel
-- System Information:
Debian Release: bullseye/sid
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable-debug'), (500,
'testing-debug'), (500, 'stable-debug'), (500, 'proposed-updates-debug'), (500,
'proposed-updates'), (500, 'oldstable-proposed-updates-debug'), (500,
'oldstable-proposed-updates'), (500, 'oldoldstable'), (500, 'buildd-unstable'),
(500, 'unstable'), (500, 'stable'), (500, 'oldstable'), (1,
'experimental-debug'), (1, 'buildd-experimental'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 5.3.0 (SMP w/8 CPU cores)
Kernel taint flags: TAINT_OOT_MODULE
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8),
LANGUAGE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
--
Samuel
<y> t1 faich
<y> les programmes ils segfaultent jamais quand on veut
-+- #ens-mim en plein débogage -+-
--- End Message ---
--- Begin Message ---
Source: llvm-toolchain-8
Source-Version: 1:8.0.1-4
We believe that the bug you reported is fixed in the latest version of
llvm-toolchain-8, 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 943...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Sylvestre Ledru <sylves...@debian.org> (supplier of updated llvm-toolchain-8
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 ftpmas...@ftp-master.debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Tue, 12 Nov 2019 14:12:48 +0100
Source: llvm-toolchain-8
Architecture: source
Version: 1:8.0.1-4
Distribution: unstable
Urgency: medium
Maintainer: LLVM Packaging Team <pkg-llvm-t...@lists.alioth.debian.org>
Changed-By: Sylvestre Ledru <sylves...@debian.org>
Closes: 941890 943920
Changes:
llvm-toolchain-8 (1:8.0.1-4) unstable; urgency=medium
.
* Add clangd-X => libclang-common-X-dev dependency
See https://bugs.llvm.org/show_bug.cgi?id=43152
* python-clang-8: missing dependency on libclang-8-dev
(Closes: #941890)
* Debian moved to gcc-9. This gcc version now refuses -flto="Thin"
Move from LLVM_ENABLE_LTO="Thin" to BOOTSTRAP_LLVM_ENABLE_LTO="Thin"
to mitigate the issue (the argument should be passed only at the
second stage of the build process)
See https://bugs.llvm.org/show_bug.cgi?id=43193
(Closes: #943920)
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--- End Message ---
