copied everything over from 2012 and removed all of the actual robot code except the drivetrain stuff
git-svn-id: https://robotics.mvla.net/svn/frc971/2013/trunk/src@4078 f308d9b7-e957-4cde-b6ac-9a88185e7312
diff --git a/aos/build/download_externals.sh b/aos/build/download_externals.sh
new file mode 100755
index 0000000..ef843e1
--- /dev/null
+++ b/aos/build/download_externals.sh
@@ -0,0 +1,62 @@
+#!/bin/bash -e
+
+AOS=`dirname $0`/..
+EXTERNALS=${AOS}/externals
+
+# get gccdist
+GCCDIST=${EXTERNALS}/gccdist
+[ -f ${GCCDIST}.zip ] || wget ftp://ftp.ni.com/pub/devzone/tut/updated_vxworks63gccdist.zip -O ${GCCDIST}.zip
+[ -d ${GCCDIST} ] || ( cd ${EXTERNALS} && unzip -q ${GCCDIST}.zip )
+
+# get eigen
+EIGEN_VERSION=3.0.5
+EIGEN_DIR=${EXTERNALS}/eigen-${EIGEN_VERSION}
+[ -f ${EIGEN_DIR}.tar.bz2 ] || wget http://bitbucket.org/eigen/eigen/get/${EIGEN_VERSION}.tar.bz2 -O ${EIGEN_DIR}.tar.bz2
+[ -d ${EIGEN_DIR} ] || ( mkdir ${EIGEN_DIR} && tar --strip-components=1 -C ${EIGEN_DIR} -xf ${EIGEN_DIR}.tar.bz2 )
+
+# get the javacv binaries
+JAVACV_VERSION=0.2
+JAVACV_DIR=${EXTERNALS}/javacv-bin
+JAVACV_ZIP=${EXTERNALS}/javacv-${JAVACV_VERSION}-bin.zip
+[ -f ${JAVACV_ZIP} ] || wget http://javacv.googlecode.com/files/javacv-${JAVACV_VERSION}-bin.zip -O ${JAVACV_ZIP}
+[ -d ${JAVACV_DIR} ] || ( cd ${EXTERNALS} && unzip ${JAVACV_ZIP} )
+
+# get the simple one-jar template jar
+ONEJAR_VERSION=0.97
+ONEJAR_JAR=${EXTERNALS}/one-jar-boot-${ONEJAR_VERSION}.jar
+[ -f ${ONEJAR_JAR} ] || wget http://sourceforge.net/projects/one-jar/files/one-jar/one-jar-${ONEJAR_VERSION}/one-jar-boot-${ONEJAR_VERSION}.jar/download -O ${ONEJAR_JAR}
+
+# get and build libjpeg
+LIBJPEG_VERSION=8d
+LIBJPEG_DIR=${EXTERNALS}/jpeg-${LIBJPEG_VERSION}
+# NOTE: this directory ends up in #include names
+LIBJPEG_PREFIX=${EXTERNALS}/libjpeg
+LIBJPEG_LIB=${LIBJPEG_PREFIX}/lib/libjpeg.a
+LIBJPEG_TAR=${EXTERNALS}/jpegsrc.v${LIBJPEG_VERSION}.tar.gz
+[ -f ${LIBJPEG_TAR} ] || wget http://www.ijg.org/files/jpegsrc.v${LIBJPEG_VERSION}.tar.gz -O ${LIBJPEG_TAR}
+[ -d ${LIBJPEG_DIR} ] || ( mkdir ${LIBJPEG_DIR} && tar --strip-components=1 -C ${LIBJPEG_DIR} -xf ${LIBJPEG_TAR} )
+[ -f ${LIBJPEG_LIB} ] || env -i PATH="${PATH}" bash -c "cd ${LIBJPEG_DIR} && CFLAGS='-m32' ./configure --disable-shared --prefix=`readlink -f ${LIBJPEG_PREFIX}` && make && make install"
+
+# get gtest
+GTEST_VERSION=1.6.0
+GTEST_DIR=${EXTERNALS}/gtest-${GTEST_VERSION}-p1
+GTEST_ZIP=${EXTERNALS}/gtest-${GTEST_VERSION}.zip
+TMPDIR=/tmp/$$-aos-tmpdir
+[ -f ${GTEST_ZIP} ] || wget http://googletest.googlecode.com/files/gtest-${GTEST_VERSION}.zip -O ${GTEST_ZIP}
+[ -d ${GTEST_DIR} ] || ( unzip ${GTEST_ZIP} -d ${TMPDIR} && mv ${TMPDIR}/gtest-${GTEST_VERSION} ${GTEST_DIR} && cd ${GTEST_DIR} && patch -p1 < ../gtest.patch )
+
+# get and build ctemplate
+CTEMPLATE_VERSION=2.2
+CTEMPLATE_DIR=${EXTERNALS}/ctemplate-${CTEMPLATE_VERSION}
+CTEMPLATE_PREFIX=${CTEMPLATE_DIR}-prefix
+CTEMPLATE_LIB=${CTEMPLATE_PREFIX}/lib/libctemplate.a
+CTEMPLATE_URL=http://ctemplate.googlecode.com/files
+CTEMPLATE_URL=${CTEMPLATE_URL}/ctemplate-${CTEMPLATE_VERSION}.tar.gz
+[ -f ${CTEMPLATE_DIR}.tar.gz ] || \
+ wget ${CTEMPLATE_URL} -O ${CTEMPLATE_DIR}.tar.gz
+[ -d ${CTEMPLATE_DIR} ] || ( mkdir ${CTEMPLATE_DIR} && tar \
+ --strip-components=1 -C ${CTEMPLATE_DIR} -xf ${CTEMPLATE_DIR}.tar.gz )
+[ -f ${CTEMPLATE_LIB} ] || env -i PATH="${PATH}" \
+ CFLAGS='-m32' CXXFLAGS='-m32' LDFLAGS='-m32' \
+ bash -c "cd ${CTEMPLATE_DIR} && ./configure --disable-shared \
+ --prefix=`readlink -f ${CTEMPLATE_PREFIX}` && make && make install"