I'm building in a gnome -3.2.[01] environment.  In particular I have glib-2.31.0 installed.
The build worked on Oct. 18, 2011.   Here's the log:

CC     libgstreamer_0.10_la-gstbuffer.lo
In file included from ../gst/gstplugin.h:33:0,
                 from gstregistry.h:28,
                 from gst_private.h:42,
                 from gst.c:101:
../gst/gstobject.h:264:3: error: unknown type name 'GStaticRecMutex'
In file included from ../gst/gstplugin.h:33:0,
                 from gstregistry.h:28,
                 from gst_private.h:42,
                 from gstobject.c:86:
../gst/gstobject.h:264:3: error: unknown type name 'GStaticRecMutex'
In file included from gstpad.h:35:0,
                 from gst_private.h:52,
                 from gst.c:101:
../gst/gsttask.h:149:3: error: unknown type name 'GStaticRecMutex'
../gst/gsttask.h:183:57: error: unknown type name 'GStaticRecMutex'
../gst/gsttask.h:184:57: error: unknown type name 'GThreadPriority'
In file included from gst_private.h:52:0,
                 from gst.c:101:
gstpad.h:671:3: error: unknown type name 'GStaticRecMutex'
In file included from gst_private.h:55:0,
                 from gst.c:101:
gstelement.h:545:3: error: unknown type name 'GStaticRecMutex'
In file included from gstpad.h:35:0,
                 from gst_private.h:52,
                 from gstobject.c:86:
../gst/gsttask.h:149:3: error: unknown type name 'GStaticRecMutex'
../gst/gsttask.h:183:57: error: unknown type name 'GStaticRecMutex'
../gst/gsttask.h:184:57: error: unknown type name 'GThreadPriority'
In file included from gst_private.h:52:0,
                 from gstobject.c:86:
gstpad.h:671:3: error: unknown type name 'GStaticRecMutex'
In file included from ../gst/gstplugin.h:33:0,
                 from gstregistry.h:28,
                 from gst_private.h:42,
                 from gstbin.c:160:
../gst/gstobject.h:264:3: error: unknown type name 'GStaticRecMutex'
In file included from ../gst/gstplugin.h:33:0,
                 from gstregistry.h:28,
                 from gst_private.h:42,
                 from gstbuffer.c:116:
../gst/gstobject.h:264:3: error: unknown type name 'GStaticRecMutex'
In file included from gst_private.h:55:0,
                 from gstobject.c:86:
gstelement.h:545:3: error: unknown type name 'GStaticRecMutex'
In file included from gstpad.h:35:0,
                 from gst_private.h:52,
                 from gstbin.c:160:
../gst/gsttask.h:149:3: error: unknown type name 'GStaticRecMutex'
../gst/gsttask.h:183:57: error: unknown type name 'GStaticRecMutex'
../gst/gsttask.h:184:57: error: unknown type name 'GThreadPriority'
In file included from gst_private.h:52:0,
                 from gstbin.c:160:
gstpad.h:671:3: error: unknown type name 'GStaticRecMutex'
In file included from gstobject.c:95:0:
gsttrace.h:127:1: error: unknown type name 'GStaticMutex'
In file included from gstpad.h:35:0,
                 from gst_private.h:52,
                 from gstbuffer.c:116:
../gst/gsttask.h:149:3: error: unknown type name 'GStaticRecMutex'
../gst/gsttask.h:183:57: error: unknown type name 'GStaticRecMutex'
../gst/gsttask.h:184:57: error: unknown type name 'GThreadPriority'
In file included from gst_private.h:52:0,
                 from gstbuffer.c:116:
gstpad.h:671:3: error: unknown type name 'GStaticRecMutex'
In file included from gst.h:71:0,
                 from gst.c:120:
../gst/gsttrace.h:127:1: error: unknown type name 'GStaticMutex'
In file included from gst_private.h:55:0,
                 from gstbin.c:160:
gstelement.h:545:3: error: unknown type name 'GStaticRecMutex'
In file included from gst_private.h:55:0,
                 from gstbuffer.c:116:
gstelement.h:545:3: error: unknown type name 'GStaticRecMutex'
gst.c: In function 'gst_init_get_option_group':
gst.c:371:5: error: implicit declaration of function 'g_thread_get_initialized' [-Werror=implicit-function-declaration]
gst.c:371:5: error: nested extern declaration of 'g_thread_get_initialized' [-Werror=nested-externs]
gst.c:379:7: error: implicit declaration of function 'g_thread_init' [-Werror=implicit-function-declaration]
gst.c:379:7: error: nested extern declaration of 'g_thread_init' [-Werror=nested-externs]
In file included from ../gst/gst.h:71:0,
                 from gstchildproxy.h:26,
                 from gstbin.c:172:
../gst/gsttrace.h:127:1: error: unknown type name 'GStaticMutex'
gstobject.c: In function 'gst_object_class_init':
gstobject.c:261:17: error: 'GStaticRecMutex' undeclared (first use in this function)
gstobject.c:261:17: note: each undeclared identifier is reported only once for each function it appears in
gstobject.c:261:17: error: expected expression before ')' token
gstobject.c:262:3: error: implicit declaration of function 'g_static_rec_mutex_init' [-Werror=implicit-function-declaration]
gstobject.c:262:3: error: nested extern declaration of 'g_static_rec_mutex_init' [-Werror=nested-externs]
gstobject.c: In function 'gst_object_init':
gstobject.c:277:3: error: implicit declaration of function 'g_mutex_new' [-Werror=implicit-function-declaration]
gstobject.c:277:3: error: nested extern declaration of 'g_mutex_new' [-Werror=nested-externs]
gstobject.c:277:16: error: assignment makes pointer from integer without a cast [-Werror]
gstobject.c:283:3: error: implicit declaration of function 'g_static_mutex_lock' [-Werror=implicit-function-declaration]
gstobject.c:283:3: error: nested extern declaration of 'g_static_mutex_lock' [-Werror=nested-externs]
gstobject.c:283:3: error: implicit declaration of function 'g_static_mutex_unlock' [-Werror=implicit-function-declaration]
gstobject.c:283:3: error: nested extern declaration of 'g_static_mutex_unlock' [-Werror=nested-externs]
make[6]: *** [libgstreamer_0.10_la-gst.lo] Error 1
make[6]: *** Waiting for unfinished jobs....
gstobject.c: In function 'gst_object_finalize':
gstobject.c:498:3: error: implicit declaration of function 'g_mutex_free' [-Werror=implicit-function-declaration]
gstobject.c:498:3: error: nested extern declaration of 'g_mutex_free' [-Werror=nested-externs]
make[6]: *** [libgstreamer_0.10_la-gstbuffer.lo] Error 1
cc1: all warnings being treated as errors

make[6]: *** [libgstreamer_0.10_la-gstobject.lo] Error 1
gstbin.c: In function 'gst_bin_element_set_state':
gstbin.c:2136:3: error: implicit declaration of function 'g_static_rec_mutex_lock' [-Werror=implicit-function-declaration]
gstbin.c:2136:3: error: nested extern declaration of 'g_static_rec_mutex_lock' [-Werror=nested-externs]
gstbin.c:2211:3: error: implicit declaration of function 'g_static_rec_mutex_unlock' [-Werror=implicit-function-declaration]
gstbin.c:2211:3: error: nested extern declaration of 'g_static_rec_mutex_unlock' [-Werror=nested-externs]
cc1: all warnings being treated as errors

make[6]: *** [libgstreamer_0.10_la-gstbin.lo] Error 1