Installing gnuradio, gr-osmosdr, rtlsdr, gqrx on Odroid C1

# fixes perl LC_ error issue on odroid
# the command: perl -e exit
# will return errors until these lines are added to bashrc

echo "export LC_CTYPE=en_US.UTF-8" >> ~/.bashrc
echo "export LC_ALL=en_US.UTF-8" >> ~/.bashrc


sudo apt-get update && sudo apt-get upgrade
sudo apt-get install git build-essential cmake libusb-1.0-0-dev

# rtl-sdr
git clone git://git.osmocom.org/rtl-sdr.git
cd rtl-sdr/
mkdir build
cd build/
cmake ../ -DINSTALL_UDEV_RULES=ON
make
sudo make install
sudo ldconfig

sudo apt-get install git build-essential cmake libusb-1.0-0-dev liblog4cpp5-dev libboost-dev libboost-system-dev libboost-thread-dev libboost-program-options-dev swig


# create swap file on external drive
# - don't use emmc or sd card, use external usb hard drive for the swap file
# - this drive/path can be named anything and the paths below will change depending upon the label of the drive

cd /media/odroid/Seagate/
dd if=/dev/zero of=/media/odroid/Seagate/c1swap bs=1M count=1024
mkswap /media/odroid/Seagate/c1swap
sudo swapon /media/odroid/Seagate/c1swap

# gnuradio
git clone http://git.gnuradio.org/git/gnuradio.git
cd gnuradio/
mkdir build
cd build/
cmake -DCMAKE_C_FLAGS="-march=armv7-a -mthumb-interwork -mfloat-abi=hard -mfpu=neon -mtune=cortex-a9" -DCMAKE_ASM_FLAGS="-march=armv7-a -mthumb-interwork -mfloat-abi=hard -mfpu=neon" ../
clear
make -j1
sudo make install

# gr-osmosdr
git clone git://git.osmocom.org/gr-osmosdr
cd gr-osmosdr/
mkdir build
cd build/
cmake ../
make
sudo make install
sudo ldconfig

# gqrx
git clone https://github.com/csete/gqrx.git
cd gqrx/
mkdir build
cd build/
qmake ..
make
sudo make install
./gqrx

# turn off swap - ** SUPER IMPORTANT **
sudo swapoff /media/odroid/Seagate/c1swap