Bug#1119850: netpbm-free: FTBFS on arm* (testsuite error) with gcc-15
On 2025-11-04 Emanuele Rocca <ema@debian.org> wrote:
> On 2025-11-03 06:47, Andreas Metzler wrote:
>> On 2025-11-02 Andreas Metzler <ametzler@bebt.de> wrote:
>> [...]
>>> Also setting either no-schedule-insns2 or no-strict-aliasing for this
>>> function (instead of O1) for a -O2 build lets the arm64 build succeed.
>> or alternatively
>> -O1 -fschedule-insns2 -fstrict-aliasing
>> breaks the build.
> The segfault also does not occur with -O3, and the important difference
> seems to be that -O3 enables -fschedule-insns (without trailing '2').
> Building with -O2 -fschedule-insns fixes pamtilt.
While -fschedule-insns fixes the FTBFS on arm64, armhf needs either
-fno-schedule-insns2 or -fno-strict-aliasing.
cu Andreas
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