[Pkg-acpi-devel] Bug#526665: FTBFS with GCC 4.4: dereferencing pointer breaks strict-aliasing rules

[Martin Michlmayr]

Package: acpid
Version: 1.0.10-1
User: debian-gcc at lists.debian.org
Usertags: ftbfs-gcc-4.4
Tags: patch

Your package fails to build with GCC 4.4.  You can reproduce this problem
with gcc-4.4/g++-4.4 from unstable.

> Automatic build of acpid_1.0.10-1 on em64t by sbuild/amd64 0.53
...
> cc -W -Wall -Werror -Wundef -Wshadow -D_GNU_SOURCE -O2 -g -DVERSION="\"1.0.10\""   -c -o acpi_ids.o acpi_ids.c
> cc1: warnings being treated as errors
> acpi_ids.c: In function 'T.30':
> acpi_ids.c:188: error: dereferencing pointer 'ghdr' does break strict-aliasing rules
> acpi_ids.c:186: note: initialized from here
> acpi_ids.c:120: error: dereferencing pointer 'ghdr' does break strict-aliasing rules
> acpi_ids.c:118: error: dereferencing pointer 'ghdr' does break strict-aliasing rules
> acpi_ids.c:117: error: dereferencing pointer 'ghdr' does break strict-aliasing rules
> acpi_ids.c:95: note: initialized from here
> make[1]: *** [acpi_ids.o] Error 1
> make[1]: Leaving directory `/build/tbm/acpid-1.0.10'
> make: *** [build-stamp] Error 2

-- 
Martin Michlmayr
http://www.cyrius.com/