Successfully did:

$ gunzip Python-3.6.0b1.tgz
$ tar xvf Python-3.6.0b1.tar
$ pushd Python-3.6.0b1
$ ./configure --disable-ipv6 --with-optimizations

However, when trying to do:

$ make profile-opt

I get:

...

gcc -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes    -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -fprofile-generate   -I. -IInclude -I./Include    -DPy_BUILD_CORE  -c ./Modules/signalmodule.c -o Modules/signalmodule.o
In file included from Include/Python.h:85:0,
                 from ./Modules/signalmodule.c:6:
./Modules/signalmodule.c: In function 'fill_siginfo':
./Modules/signalmodule.c:960:60: error: 'siginfo_t {aka struct <anonymous>}' has no member named 'si_band'
     PyStructSequence_SET_ITEM(result, 6, PyLong_FromLong(si->si_band));
                                                            ^
Include/tupleobject.h:62:75: note: in definition of macro 'PyTuple_SET_ITEM'
 #define PyTuple_SET_ITEM(op, i, v) (((PyTupleObject *)(op))->ob_item[i] = v)
                                                                           ^
./Modules/signalmodule.c:960:5: note: in expansion of macro 'PyStructSequence_SET_ITEM'
     PyStructSequence_SET_ITEM(result, 6, PyLong_FromLong(si->si_band));
     ^
make[2]: *** [Makefile:1731: Modules/signalmodule.o] Error 1
make[2]: Leaving directory '/home/Administrator/python/3.6/Python-3.6.0b1'
make[1]: *** [Makefile:511: build_all_generate_profile] Error 2
make[1]: Leaving directory '/home/Administrator/python/3.6/Python-3.6.0b1'
make: *** [Makefile:496: profile-opt] Error 2