Compile a C program for an Android ARM 32-bit device

gcc_arm32

#!/bin/bash
#
# Compile a C program for Nexus 6 (or other device with an ARM 32-bit processor)
#
# Requirements:
#   - Android NDK
#
# Daniel Weibel <danielmartin.weibel@polimi.it> January 2016
#------------------------------------------------------------------------------#

# Compiler for ARM 32-bit target platform (adapt if necessary)
compile() {
  ~/android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc $@
}

usage() {
  cat <<EOF
Wrapper around ARM 32-bit compiler (see usage below).

The following options are set by this script:
  --sysroot
  -fPIE
  -pie

Usage:
  $(basename "$0") [options] file...

----

EOF
  compile --help
}
[[ "$1" = -h || "$1" = --help ]] && { usage; exit; }


# C headers and libraries for target platform (adapt if necessary)
sysroot=~/android-ndk-r10e/platforms/android-21/arch-arm

# Execute (-pie: create a position independent executable --> required for
# newer Android versions)
compile                \
  --sysroot="$sysroot" \
  -fPIE                \
  -pie                 \
  $@