Help with building GNU Radio for Android

I am trying to build GNU Radio for Android and am having issues with the
build process.

I first tried building GNU Radio for Android on Mac OS X 10.10.4. I was
able to follow the directions successfully until I had to build
gr-grand.
When I tried to build gr-grand I got this error (see error 1). I have
tried
searching for this error, but have not found any useful information from
my
search. I am not sure if this is an error with the build procedure, or
if
it is an error with the Android NDK and Python.

I then tried building GNU Radio for Android in a Ubuntu 14.04 64 bit VM,
but when trying to stage Boost (./b2) I get this output from Boost (see
error 2) and get an error about -march=armv7-m not being a supported
compiler flag when Boost starts compiling. I have tried adding the
toolset=gcc-android to Boost but this did not fix the problem (I had to
do
this on Mac to get Boost to use the configuration in the user-config.jam
file).

I would like help getting this working, as I really want to get GNU
Radio
working on Android for me.

Schuyler St. Leger

Error 1:
[ 80%] Building CXX object
swig/CMakeFiles/_grand_swig.dir/grand_swigPYTHON_wrap.cxx.o
In file included from
/opt/android-toolchain/include/python2.7/Python.h:58:0,
from
/opt/grandroid/gr-grand/build/swig/grand_swigPYTHON_wrap.cxx:167:
/opt/android-toolchain/include/python2.7/pyport.h:1029:2: error: #error
“LONG_BIT definition appears wrong for platform (bad gcc/glibc
config?).”
#error “LONG_BIT definition appears wrong for platform (bad gcc/glibc
config?).”
^
make[2]: ***
[swig/CMakeFiles/_grand_swig.dir/grand_swigPYTHON_wrap.cxx.o]
Error 1
make[1]: *** [swig/CMakeFiles/_grand_swig.dir/all] Error 2
make: *** [all] Error 2

Error 2:
Performing configuration checks

- 32-bit                   : no
- 64-bit                   : no
- arm                      : no
- mips1                    : no
- power                    : no
- sparc                    : no
- x86                      : no
- combined                 : no
- has_icu builds           : no
- lockfree boost::atomic_flag : no

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