[Debian-med-packaging] Bug#667156: Bug#667156: epcr: ftbfs with GCC-4.7

[Charles Plessy]

Dear Gregory,

Debian distributes epcr, and after a mass-rebuild against GCC 4.7, we
noticed the following error:

  ./epcr/minilcs.hpp:308:9: error: 'memset' was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]

You can see below for more context, and more in particular the instructions
under “Name lookup changes” in GCC's 4.7 porting page.

  http://gcc.gnu.org/gcc-4.7/porting_to.html

Do you think you can release an updated version of epcr ?

I am sending a copy of this message in our public bug tracker
(667156 at bugs.debian.org).  Please feel free to do the same in your answer. 
The archive is available at the following URL.

  http://bugs.debian.org/667156

Have a nice day,

-- Charles Plessy, Debian Med packaging team, Tsurumi, Kanagawa, Japan.

Le Tue, Apr 03, 2012 at 11:08:41PM +0000, Matthias Klose a écrit :
> Package: epcr
> Version: 2.3.12-2
> Severity: important
> Tags: sid wheezy
> User: debian-gcc at lists.debian.org
> Usertags: ftbfs-gcc-4.7
> 
> The package fails to build in a test rebuild on at least amd64 with
> gcc-4.7/g++-4.7, but succeeds to build with gcc-4.6/g++-4.6. The
> severity of this report may be raised before the wheezy release.
> 
> ./epcr/minilcs.hpp:308:9: error: 'memset' was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
> 
> The full build log can be found at:
> http://people.debian.org/~lucas/logs/2012/03/29-clang-gcc47/unstable-gcc47/epcr_2.3.12-2_unstable-gcc47.log
> The last lines of the build log are at the end of this report.
> 
> Some hints on fixing these issues can be found at
> http://gcc.gnu.org/gcc-4.7/porting_to.html
> 
> To build with GCC 4.7, either set CC=gcc-4.7 CXX=g++-4.7 explicitly,
> or install the gcc, g++, gfortran, ... packages from experimental.
> 
> [...]
> g++ -I. -g2 -DDEALLOCATE=0 -DVERSION=\"2.3.12\" -DVER_MAJOR=2 -DVER_MINOR=3 -DVER_BUILD=12 -DSTANDALONE=1 -c e-PCR_main.cpp -o e-PCR_main.o
> make[3]: *** No rule to make target `libepcr.a', needed by `e-PCR'.  Stop.
> make[3]: Leaving directory `/??PKGBUILDDIR??'
> make[3]: Entering directory `/??PKGBUILDDIR??'
> if test -n "" ; then \
> 		test -L  || ln -s .  ; \
> 	fi
> g++ -I. -g2 -DDEALLOCATE=0 -DVERSION=\"2.3.12\" -DVER_MAJOR=2 -DVER_MINOR=3 -DVER_BUILD=12 -DSTANDALONE=1 -c famap_main.cpp -o famap_main.o
> make[3]: *** No rule to make target `libepcr.a', needed by `famap'.  Stop.
> make[3]: Leaving directory `/??PKGBUILDDIR??'
> make[3]: Entering directory `/??PKGBUILDDIR??'
> if test -n "" ; then \
> 		test -L  || ln -s .  ; \
> 	fi
> g++ -I. -g2 -DDEALLOCATE=0 -DVERSION=\"2.3.12\" -DVER_MAJOR=2 -DVER_MINOR=3 -DVER_BUILD=12 -DSTANDALONE=1 -c fahash_main.cpp -o fahash_main.o
> make[3]: *** No rule to make target `libepcr.a', needed by `fahash'.  Stop.
> make[3]: Leaving directory `/??PKGBUILDDIR??'
> make[3]: Entering directory `/??PKGBUILDDIR??'
> if test -n "" ; then \
> 		test -L  || ln -s .  ; \
> 	fi
> g++ -I. -g2 -DDEALLOCATE=0 -DVERSION=\"2.3.12\" -DVER_MAJOR=2 -DVER_MINOR=3 -DVER_BUILD=12 -DSTANDALONE=1 -c re-PCR_main.cpp -o re-PCR_main.o
> make[3]: *** No rule to make target `libepcr.a', needed by `re-PCR'.  Stop.
> make[3]: Leaving directory `/??PKGBUILDDIR??'
> make[2]: *** [all] Error 2
> make[1]: *** [override_dh_auto_build] Error 2
> make[2]: Leaving directory `/??PKGBUILDDIR??'
> make[1]: Leaving directory `/??PKGBUILDDIR??'
> make: *** [build-arch] Error 2
> dpkg-buildpackage: error: debian/rules build-arch gave error exit status 2
> 
> 
> 

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-- 
Charles Plessy
Debian Med packaging team,
http://www.debian.org/devel/debian-med
Tsurumi, Kanagawa, Japan