[Pkg-swan-devel] Bug#1147712: strongswan: FTBFS with GCC 16: custom printf specifier %B rejected because -Wno-format is overridden

[Santiago Vila]

severity 1147712 normal
thanks

On Mon, Sep 14, 2026 at 04:48:40PM +0200, Paul Menzel wrote:
> Package: strongswan
> Version: 6.1.0-2
> Severity: serious
> Justification: fails to build from source
> Tags: patch ftbfs
> X-Debbugs-Cc: pmenzel at molgen.mpg.de
> 
> 
> Dear Debian folks,
> 
> 
> AI disclaimer: Analyzed and drafted by claude-opus-5, and reviewed and
> edited by me.
> 
> Building strongswan with `debuild -us -uc -b` on Debian sid/unstable
> with *gcc* 4:16.1.0-3 fails:

[ Please note that the relevant version here would be the one in the
  package called "gcc-16", not "gcc", which is just the package
  containing the symlinkg gcc -> the-real-gcc ].

I'm attaching my build log, made a few minutes ago on current unstable.

If you can still reproduce the build failure on current unstable
please try building with sbuild and diff your build log with mine.

Thanks.
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