Bug#640438: gnome-desktop: FTBFS: display-name.c:286: undefined reference to `sqrt'

[Mònica Ramírez Arceda]

Source: gnome-desktop
Version: 2.30.2-2
Severity: serious
Tags: wheezy sid
User: debian-qa at lists.debian.org
Usertags: qa-ftbfs-20110902 qa-ftbfs
Justification: FTBFS on amd64

Hi,

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

Relevant part:
> /bin/bash ../libtool  --tag=CC   --mode=link gcc  -g -O2 -g -O2 -Wall -version-info 18:0:1 -no-undefined -Wl,-z,defs -Wl,-O1 -Wl,--as-needed -o libgnome-desktop-2.la -rpath /usr/lib gnome-desktop-item.lo gnome-desktop-utils.lo gnome-desktop-thumbnail.lo gnome-thumbnail-pixbuf-utils.lo gnome-bg.lo gnome-bg-crossfade.lo display-name.lo gnome-rr.lo gnome-rr-config.lo gnome-rr-labeler.lo edid-parse.lo -lX11   -pthread -lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lpangoft2-1.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo -lpango-1.0 -lfreetype -lfontconfig -lgio-2.0 -lgobject-2.0 -lgmodule-2.0 -lgthread-2.0 -lrt -lgconf-2 -lglib-2.0 -lstartup-notification-1 -lXrandr   
> libtool: link: gcc -shared  .libs/gnome-desktop-item.o .libs/gnome-desktop-utils.o .libs/gnome-desktop-thumbnail.o .libs/gnome-thumbnail-pixbuf-utils.o .libs/gnome-bg.o .libs/gnome-bg-crossfade.o .libs/display-name.o .libs/gnome-rr.o .libs/gnome-rr-config.o .libs/gnome-rr-labeler.o .libs/edid-parse.o   -Wl,--as-needed -lX11 -lgtk-x11-2.0 -lgdk-x11-2.0 /usr/lib/x86_64-linux-gnu/libatk-1.0.so -lpangoft2-1.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 /usr/lib/libcairo.so -lpango-1.0 /usr/lib/x86_64-linux-gnu/libfreetype.so -lfontconfig /usr/lib/libgio-2.0.so /usr/lib/libgobject-2.0.so /usr/lib/libgmodule-2.0.so /usr/lib/libgthread-2.0.so -lrt /usr/lib/libgconf-2.so /usr/lib/libglib-2.0.so -lstartup-notification-1 -lXrandr  -Wl,-z -Wl,defs -Wl,-O1 -pthread   -pthread -Wl,-soname -Wl,libgnome-desktop-2.so.17 -o .libs/libgnome-desktop-2.so.17.1.0
> .libs/gnome-desktop-thumbnail.o: In function `gnome_desktop_thumbnail_factory_generate_thumbnail':
> /build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/gnome-desktop-thumbnail.c:877: undefined reference to `floor'
> /build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/gnome-desktop-thumbnail.c:876: undefined reference to `floor'
> .libs/gnome-bg.o: In function `get_current_slide':
> /build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/gnome-bg.c:1479: undefined reference to `fmod'
> .libs/gnome-bg.o: In function `pixbuf_scale_to_fit':
> /build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/gnome-bg.c:2246: undefined reference to `floor'
> /build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/gnome-bg.c:2247: undefined reference to `floor'
> .libs/gnome-bg.o: In function `scale_thumbnail':
> /build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/gnome-bg.c:1864: undefined reference to `floor'
> /build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/gnome-bg.c:1865: undefined reference to `floor'
> .libs/gnome-bg.o: In function `pixbuf_scale_to_min':
> /build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/gnome-bg.c:2265: undefined reference to `floor'
> .libs/gnome-bg.o:/build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/gnome-bg.c:2266: more undefined references to `floor' follow
> .libs/display-name.o: In function `make_display_name':
> /build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/display-name.c:286: undefined reference to `sqrt'
> .libs/edid-parse.o: In function `decode_fraction':
> /build/gnome-desktop-UDLSUG/gnome-desktop-2.30.2/libgnome-desktop/edid-parse.c:247: undefined reference to `pow'
> collect2: ld returned 1 exit status

The full build log is available from:
   http://people.debian.org/~lucas/logs/2011/09/02/gnome-desktop_2.30.2-2_lsid64.buildlog

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.