Compiling gstreamer-0.6.4 failes with an assembler error:

gcc -DHAVE_CONFIG_H -I. -I. -I.. -D_GNU_SOURCE -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64 -I/usr/include/libxml2 -pthread
-I/opt/gnome-2.4/include/glib-2.0 -I/opt/gnome-2.4/lib/glib-2.0/include
-I.. -Wall -DGST_DISABLE_DEPRECATED -g -I../libs -I../include
-DG_LOG_DOMAIN=g_log_domain_gstreamer
-DGST_CACHE_DIR=\"/opt/gnome-2.4/var/cache/gstreamer-0.6\" -O3 -mcpu=7450
-fsigned-char -c cothreads.c -MT libcothreads_la-cothreads.lo -MD -MP -MF
.deps/libcothreads_la-cothreads.TPlo  -fPIC -DPIC -o
.libs/libcothreads_la-cothreads.lo
/tmp/ccM3JumF.s: Assembler messages:
/tmp/ccM3JumF.s:2383: Error: unsupported relocation against r1
/tmp/ccM3JumF.s:2388: Error: unsupported relocation against r0
/tmp/ccM3JumF.s:2389: Error: unsupported relocation against r0

System/environment details:

* Apple PowerMac G4, PowerPC 7450, YellowDog Linux 3.0, kernel 2.4.22-ben2
* gcc 3.2.2, gcc 3.2.3, gcc 3.3.2
* binutils 2.13.90.0.18
* CFLAGS="-O3 -mcpu=7450 -fsigned-char"
* CXXFLAGS="-O2 -mcpu=7450 -fsigned-char"

With exactly the same settings, gstreamer-0.6.3 compiles fine, as well as
the rest of Gnome 2.4.1.