Bug#1121190: s390-tools: FTBFS with gcc-15

Chris Hofstaedtler <[email protected]>
Newsgroups gmane.linux.debian.ports.s390
Message-ID <aSHMSjkUccgsMtfm__44795.5247176409$1763822855$gmane$org@per.namespace.at>
Source: s390-tools
Version: 2.35.0-1
Severity: serious
Tags: ftbfs
X-Debbugs-CC: [email protected]

Building s390-tools on zelenka in sid aborts:

gcc -fno-pie -Os -g -I../..//zipl/include -I../..//include -DS390_TOOLS_RELEASE=2.35.0-build-20251122 -fno-builtin -ffreestanding -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -fno-stack-protector -fexec-charset=IBM1047 -m64 -mpacked-stack -mstack-size=4096 -mstack-guard=128 -msoft-float -W -Wall -Wformat-security -fno-sanitize=all -Wno-array-bounds -c -o stage3.o stage3.c
In function 'start_kernel',
    inlined from 'start' at stage3.c:534:2:
stage3.c:44:9: error: invalid 'asm': invalid constant for output modifier 'r'
   44 |         asm volatile(
      |         ^~~
stage3.c:44:9: error: invalid 'asm': invalid constant for output modifier 'r'
stage3.c:44:9: error: invalid 'asm': invalid constant for output modifier 'r'
stage3.c:44:9: error: invalid 'asm': invalid constant for output modifier 'r'
stage3.c:44:9: error: invalid 'asm': invalid constant for output modifier 'r'
stage3.c:44:9: error: invalid 'asm': invalid constant for output modifier 'r'
make[4]: *** [Makefile:44: stage3.o] Error 1
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