Bug#643382: geomview: FTBFS: mgrib.c:163:3: error: format not a string literal and no format arguments [-Werror=format-security]

Didier Raboud odyx at debian.org
Tue Sep 27 12:27:11 UTC 2011


Source: geomview
Version: 1.9.4-2
Severity: serious
Tags: wheezy sid
User: debian-qa at lists.debian.org
Usertags: qa-ftbfs-20110923 qa-ftbfs hardening-format-security hardening
Justification: FTBFS on amd64

Hi,

During a rebuild of all packages in sid, your package failed to build on
amd64.

Relevant part:
>  gcc -DHAVE_CONFIG_H -I. -I../../../.. -I../../../../include -g -O2 -fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security -Wall -c mgrib.c  -fPIC -DPIC -o .libs/mgrib.o
> In file included from ../../../../include/point.h:28:0,
>                  from ../../../../include/mg.h:33,
>                  from mgrib.c:32:
> ../../../../include/hpoint3.h: In function 'HPt3TransPt3':
> ../../../../include/hpoint3.h:280:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> mgrib.c: In function 'mgrib_ctxcreate':
> mgrib.c:163:3: error: format not a string literal and no format arguments [-Werror=format-security]
> mgrib.c:164:3: error: format not a string literal and no format arguments [-Werror=format-security]
> cc1: some warnings being treated as errors
> 
> make[6]: *** [mgrib.lo] Error 1

The full build log is available from:
   http://people.debian.org/~lucas/logs/2011/09/23/geomview_1.9.4-2_lsid64.buildlog

This happened because since dpkg 1.16.0 [0], hardening flags are enabled 
under various conditions.

[0] http://lists.debian.org/debian-devel-announce/2011/09/msg00001.html

A list of current common problems and possible solutions is available at 
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on about 50 AMD64 nodes
of the Grid'5000 platform, using a clean chroot.  Internet was not
accessible from the build systems.





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