1 files changed, 80 insertions, 0 deletions
diff --git a/lib/ffts/build_android.sh b/lib/ffts/build_android.sh
new file mode 100755
index 0000000..38e9d2c
--- /dev/null
+++ b/lib/ffts/build_android.sh
@@ -0,0 +1,80 @@
+#!/bin/sh
+# Compiles ffts for Android
+# Make sure you have NDK_ROOT defined in .bashrc or .bash_profile
+# Modify INSTALL_DIR to suit your situation
+
+INSTALL_DIR="`pwd`/java/android/bin"
+
+PLATFORM=android-8
+TOOL="4.6"
+
+case $(uname -s) in
+  Darwin)
+    CONFBUILD=i386-apple-darwin`uname -r`
+    HOSTPLAT=darwin-x86
+  ;;
+  Linux)
+    CONFBUILD=x86-unknown-linux
+    HOSTPLAT=linux-`uname -m`
+  ;;
+  *) echo $0: Unknown platform; exit
+esac
+
+case arm in
+  arm)
+    TARGPLAT=arm-linux-androideabi
+    ARCH=arm
+    CONFTARG=arm-eabi
+  ;;
+  x86)
+    TARGPLAT=x86
+    ARCH=x86
+    CONFTARG=x86
+  ;;
+  mips)
+  ## probably wrong
+    TARGPLAT=mipsel-linux-android
+    ARCH=mips
+    CONFTARG=mips
+  ;;
+  *) echo $0: Unknown target; exit
+esac
+
+: ${NDK_ROOT:?}
+
+echo "Using: $NDK_ROOT/toolchains/${TARGPLAT}-${TOOL}/prebuilt/${HOSTPLAT}/bin"
+
+export PATH="$NDK_ROOT/toolchains/${TARGPLAT}-${TOOL}/prebuilt/${HOSTPLAT}/bin/:$PATH"
+export SYS_ROOT="$NDK_ROOT/platforms/${PLATFORM}/arch-${ARCH}/"
+export CC="${TARGPLAT}-gcc --sysroot=$SYS_ROOT"
+export LD="${TARGPLAT}-ld"
+export AR="${TARGPLAT}-ar"
+export RANLIB="${TARGPLAT}-ranlib"
+export STRIP="${TARGPLAT}-strip"
+export CFLAGS="-Os"
+
+mkdir -p $INSTALL_DIR
+./configure --enable-neon --build=${CONFBUILD} --host=${CONFTARG} --prefix=$INSTALL_DIR LIBS="-lc -lgcc"
+
+make clean
+make
+make install
+
+if [ -z "$ANDROID_HOME" ] ; then
+    echo ""
+    echo " No ANDROID_HOME defined"
+    echo " Android JNI interfaces will not be built"
+    echo
+else
+    echo
+    echo "Using android_home ${ANDROID_HOME}"
+    echo
+    ( cd java/android ; ${ANDROID_HOME}/tools/android update lib-project -p . ) || exit 1
+    ( cd java/android/jni ; ${NDK_ROOT}/ndk-build V=1 ) || exit 1
+    ( cd java/android ; ant release ) || exit 1
+    echo
+    echo "Android library project location:"
+    echo " `pwd`/java/android"
+    echo
+fi
+exit 0