=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Building for afl-1.94b
[*] Checking for the ability to compile x86 code...
[+] Everything seems to be working, ready to compile.
cc -O2 -march=i586 -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DAFL_PATH=\"/usr/pkg/lib/afl\" -DDOC_PATH=\"/usr/pkg/share/doc/afl\" -DBIN_PATH=\"/usr/pkg/bin\" -DVERSION=\"1.94b\" afl-gcc.c -o afl-gcc -Wl,-R/usr/pkg/lib
set -e; for i in afl-g++ afl-clang afl-clang++; do ln -sf afl-gcc $i; done
cc -O2 -march=i586 -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DAFL_PATH=\"/usr/pkg/lib/afl\" -DDOC_PATH=\"/usr/pkg/share/doc/afl\" -DBIN_PATH=\"/usr/pkg/bin\" -DVERSION=\"1.94b\" afl-as.c -o afl-as -Wl,-R/usr/pkg/lib 
ln -sf afl-as as
cc -O2 -march=i586 -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DAFL_PATH=\"/usr/pkg/lib/afl\" -DDOC_PATH=\"/usr/pkg/share/doc/afl\" -DBIN_PATH=\"/usr/pkg/bin\" -DVERSION=\"1.94b\" afl-fuzz.c -o afl-fuzz -Wl,-R/usr/pkg/lib
cc -O2 -march=i586 -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DAFL_PATH=\"/usr/pkg/lib/afl\" -DDOC_PATH=\"/usr/pkg/share/doc/afl\" -DBIN_PATH=\"/usr/pkg/bin\" -DVERSION=\"1.94b\" afl-showmap.c -o afl-showmap -Wl,-R/usr/pkg/lib
cc -O2 -march=i586 -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DAFL_PATH=\"/usr/pkg/lib/afl\" -DDOC_PATH=\"/usr/pkg/share/doc/afl\" -DBIN_PATH=\"/usr/pkg/bin\" -DVERSION=\"1.94b\" afl-tmin.c -o afl-tmin -Wl,-R/usr/pkg/lib
cc -O2 -march=i586 -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DAFL_PATH=\"/usr/pkg/lib/afl\" -DDOC_PATH=\"/usr/pkg/share/doc/afl\" -DBIN_PATH=\"/usr/pkg/bin\" -DVERSION=\"1.94b\" afl-gotcpu.c -o afl-gotcpu -Wl,-R/usr/pkg/lib
/var/tmp/afl-gotcpu-71686c.o: In function `main':
/usr/pkgsrc/work/devel/afl/work/afl-1.94b/afl-gotcpu.c:95: undefined reference to `__libc_thr_yield'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Makefile:79: recipe for target 'afl-gotcpu' failed
gmake: *** [afl-gotcpu] Error 1
*** Error code 2

Stop.
bmake[1]: stopped in /usr/pkgsrc/devel/afl
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/devel/afl