Your message dated Mon, 09 Jun 2025 09:19:04 +0000
with message-id <e1uoyem-009kgw...@fasolo.debian.org>
and subject line Bug#1107416: fixed in gcc-14 14.3.0-2
has caused the Debian Bug report #1107416,
regarding gcc-14: Please build with -fno-fold-mem-offsets on m68k
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.
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--
1107416: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1107416
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Source: gcc-14
Version: 14.2.0-19
Severity: normal
Tags: patch
User: debian-...@lists.debian.org
Usertags: m68k
X-Debbugs-Cc: debian-...@lists.debian.org
Hello,
the new RTL optimization introduced in [1] breaks the gcc-14 build on m68k.
As discovered by the Gentoo m68k maintainers, building gcc-14 with the option
-fno-fold-mem-offsets to disable this new optimization fixes this problem.
The option does not seem to be needed on gcc-15 which builds fine in
experimental [2].
I have used the following patch against the gcc-14 package to pass the option
during build which works for me:
--- debian/rules2.orig 2025-02-19 16:04:38.000000000 +0100
+++ debian/rules2 2025-06-06 11:55:20.606692824 +0200
@@ -227,6 +227,17 @@
endif
endif
+ifeq ($(DEB_TARGET_ARCH),m68k)
+ CFLAGS += -fno-fold-mem-offsets
+ CXXFLAGS += -fno-fold-mem-offsets
+ CFLAGS_FOR_BUILD += -fno-fold-mem-offsets
+ CXXFLAGS_FOR_BUILD += -fno-fold-mem-offsets
+ CFLAGS_FOR_TARGET += -fno-fold-mem-offsets
+ CXXFLAGS_FOR_TARGET += -fno-fold-mem-offsets
+ BOOT_CFLAGS += -fno-fold-mem-offsets
+ STAGE1_CFLAGS += -fno-fold-mem-offsets
+endif
+
ifneq (,$(findstring -fno-omit-frame-pointer,$(shell
DEB_HOST_ARCH=$(DEB_TARGET_ARCH) dpkg-buildflags --get CFLAGS)))
CFLAGS_FRAME_POINTER = -fno-omit-frame-pointer
else
The gcc maintainer will certainly know better whether all of these are
needed to fix the build and consequently avoid other packages from being
miscompiled or failing to build.
Thanks,
Adrian
> [1]
> https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=04c9cf5c786b94fbe3f6f21f06cae73a7575ff7a
> [2] https://buildd.debian.org/status/package.php?p=gcc-15&suite=experimental
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer
`. `' Physicist
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
--- debian/rules2.orig 2025-02-19 16:04:38.000000000 +0100
+++ debian/rules2 2025-06-06 11:55:20.606692824 +0200
@@ -227,6 +227,17 @@
endif
endif
+ifeq ($(DEB_TARGET_ARCH),m68k)
+ CFLAGS += -fno-fold-mem-offsets
+ CXXFLAGS += -fno-fold-mem-offsets
+ CFLAGS_FOR_BUILD += -fno-fold-mem-offsets
+ CXXFLAGS_FOR_BUILD += -fno-fold-mem-offsets
+ CFLAGS_FOR_TARGET += -fno-fold-mem-offsets
+ CXXFLAGS_FOR_TARGET += -fno-fold-mem-offsets
+ BOOT_CFLAGS += -fno-fold-mem-offsets
+ STAGE1_CFLAGS += -fno-fold-mem-offsets
+endif
+
ifneq (,$(findstring -fno-omit-frame-pointer,$(shell
DEB_HOST_ARCH=$(DEB_TARGET_ARCH) dpkg-buildflags --get CFLAGS)))
CFLAGS_FRAME_POINTER = -fno-omit-frame-pointer
else
--- End Message ---
--- Begin Message ---
Source: gcc-14
Source-Version: 14.3.0-2
Done: Matthias Klose <d...@debian.org>
We believe that the bug you reported is fixed in the latest version of
gcc-14, 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 1107...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Matthias Klose <d...@debian.org> (supplier of updated gcc-14 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: SHA512
Format: 1.8
Date: Mon, 09 Jun 2025 10:59:15 +0200
Source: gcc-14
Architecture: source
Version: 14.3.0-2
Distribution: experimental
Urgency: medium
Maintainer: Debian GCC Maintainers <debian-gcc@lists.debian.org>
Changed-By: Matthias Klose <d...@debian.org>
Closes: 1107416
Changes:
gcc-14 (14.3.0-2) experimental; urgency=medium
.
* Update to git 20250609 from the gcc-14 branch.
- Fix PR target/119834 (S390), PR middle-end/118819,
PR rtl-optimization/117239, PR rtl-optimization/117239,
PR tree-optimization/117358, PR target/86772 (microblaze),
PR c++/120123, PR c++/120161, PR fortran/85750, PR fortran/98454,
PR target/120441 (AVR).
* Don't default to -fno-fold-mem-offsets on m68k (Adrian Glaubitz).
Closes: #1107416.
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