[racket-dev] build failed on ubuntu 13.04

Racket failed to build for the ppa on ubuntu 13.04 (raring). I'm not exactly sure what the issue is but the details are that its using gcc-4.7_4.7.2-5ubuntu5.

Full build log: https://launchpadlibrarian.net/122334588/buildlog_ubuntu-raring-i386.racket_5.3-20121107~raring_FAILEDTOBUILD.txt.gz

The error is

make[5]: Entering directory `/build/buildd/racket-5.3/build/racket/gc2'
 gcc -I./.. -I/build/buildd/racket-5.3/src/racket/gc2/../include -g -pthread    -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64   -Wall  -I./.. -c /build/buildd/racket-5.3/src/racket/gc2/gc2.c -o gc2.o
 In file included from /build/buildd/racket-5.3/src/racket/gc2/gc2.c:15:0:
 /build/buildd/racket-5.3/src/racket/gc2/newgc.c: In function 'GC_message_objects_size':
 /build/buildd/racket-5.3/src/racket/gc2/newgc.c:1594:5: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'uintptr_t' [-Wformat]
 In file included from /build/buildd/racket-5.3/src/racket/gc2/newgc.c:2438:0,
                  from /build/buildd/racket-5.3/src/racket/gc2/gc2.c:15:
                  /build/buildd/racket-5.3/src/racket/gc2/sighand.c: At top level:
                  /build/buildd/racket-5.3/src/racket/gc2/sighand.c:63:35: warning: 'struct siginfo' declared inside parameter list [enabled by default]
                  /build/buildd/racket-5.3/src/racket/gc2/sighand.c:63:35: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
                  /build/buildd/racket-5.3/src/racket/gc2/sighand.c: In function 'fault_handler':
                  /build/buildd/racket-5.3/src/racket/gc2/sighand.c:65:15: error: dereferencing pointer to incomplete type
                  /build/buildd/racket-5.3/src/racket/gc2/sighand.c:67:13: error: dereferencing pointer to incomplete type
                  /build/buildd/racket-5.3/src/racket/gc2/sighand.c:71:9: error: dereferencing pointer to incomplete type
                  /build/buildd/racket-5.3/src/racket/gc2/sighand.c:87:46: error: dereferencing pointer to incomplete type
                  /build/buildd/racket-5.3/src/racket/gc2/sighand.c:87:58: error: dereferencing pointer to incomplete type
                  /build/buildd/racket-5.3/src/racket/gc2/sighand.c:103:11: error: dereferencing pointer to incomplete type