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* [Bug build/27446] New: Do not unconditionally enable x86 ISA level
@ 2021-02-20 12:55 jengelh at inai dot de
2021-03-01 14:54 ` [Bug build/27446] " schwab@linux-m68k.org
0 siblings, 1 reply; 2+ messages in thread
From: jengelh at inai dot de @ 2021-02-20 12:55 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=27446
Bug ID: 27446
Summary: Do not unconditionally enable x86 ISA level
Product: glibc
Version: 2.33
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: jengelh at inai dot de
CC: carlos at redhat dot com
Target Milestone: ---
» uname -m
i686
» gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i586-suse-linux/10/lto-wrapper
Target: i586-suse-linux
...
» ld -v
GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.35.1.20201112-1
glibc» ../configure CFLAGS="-O2" --prefix=/usr --host=i586-linux-gnu && make
...
checking for linker x86 ISA level support... yes
...
glibc» readelf -aW csu/abi-note.o | grep PROP
GNU 0x0000000c NT_GNU_PROPERTY_TYPE_0
Properties: <procesor-specific type 0xc0008002 data: 01 00 00 00 >
The presence of this property propagates to a fully-built glibc, which in turn
propagates to all programs subsequently built with such glibc.
libc.so.6 becomes unloadable, as e.g. reported on
https://lists.opensuse.org/archives/list/factory@lists.opensuse.org/thread/GTPAXHRFLUGFGFMQULYWHHEZJS67CB4Z/
It is my understanding that ISA_LEVEL was specified for the x86_64 psABI only,
so it should not even be emitted on ix86.
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* [Bug build/27446] Do not unconditionally enable x86 ISA level
2021-02-20 12:55 [Bug build/27446] New: Do not unconditionally enable x86 ISA level jengelh at inai dot de
@ 2021-03-01 14:54 ` schwab@linux-m68k.org
0 siblings, 0 replies; 2+ messages in thread
From: schwab@linux-m68k.org @ 2021-03-01 14:54 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=27446
Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
dup
*** This bug has been marked as a duplicate of bug 27318 ***
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2021-02-20 12:55 [Bug build/27446] New: Do not unconditionally enable x86 ISA level jengelh at inai dot de
2021-03-01 14:54 ` [Bug build/27446] " schwab@linux-m68k.org
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