BASH script for downloading ceres-solver

get_ceres

#!/bin/bash

# based on https://raw.github.com/ethz-asl/ceres/master/make.sh

set -e

CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

INSTALL_DIR=$CURRENT_DIR/install
SRC_DIR=$CURRENT_DIR/src

# create directory for deps
mkdir -p $INSTALL_DIR
mkdir -p $SRC_DIR

CERES_URL="https://ceres-solver.googlesource.com/ceres-solver"
CERES_DIR=$SRC_DIR/ceres
CERES_TAG=468a23f2111e3fea45c900082e644a45dae743b7 #version 1.7 with fixed parameter removal bug
GLOG_URL="http://google-glog.googlecode.com/svn/trunk/ "
GLOG_DIR=$SRC_DIR/glog
GFLAGS_URL="http://gflags.googlecode.com/svn/trunk/"
GFLAGS_DIR=$SRC_DIR/gflags
PROTOBUF_URL="http://protobuf.googlecode.com/svn/trunk/"
PROTOBUF_DIR=$SRC_DIR/protobuf

###############################################################################
# GFLAGS
###############################################################################

if [ ! -d "$GFLAGS_DIR" ]; then
    svn co $GFLAGS_URL $GFLAGS_DIR
    echo "### building Google flags ###"
    cd $GFLAGS_DIR && ./configure --with-pic --prefix=$INSTALL_DIR && make -j8 -l4 install && cd $CURRENT_DIR
fi

###############################################################################
# GLOG
###############################################################################

if [ ! -d "$GLOG_DIR" ]; then
    svn co $GLOG_URL $GLOG_DIR
    echo "### building Google log ###"
    cd $GLOG_DIR && ./configure --with-pic --with-gflags=$CURRENT_DIR/$GFLAGS_PATH --prefix=$INSTALL_DIR && make -j8 -l8 install && cd $CURRENT_DIR #I couldn't link ceres against a non PIC version
fi

###############################################################################
# Protobuf
###############################################################################

if [ ! -d "$PROTOBUF_DIR" ]; then
    svn co $PROTOBUF_URL $PROTOBUF_DIR
    echo "### building Google Protocol Buffers ###"
    cd $PROTOBUF_DIR && ./autogen.sh && ./configure --prefix=$INSTALL_DIR && make -j8 -l8 install && cd $CURRENT_DIR
fi

###############################################################################
# Ceres
###############################################################################

echo "### building Google ceres ###"

# clone or update the sources
if [ ! -d "$CERES_DIR" ]; then
    git clone $CERES_URL $CERES_DIR
    cd $CERES_DIR && git checkout $CERES_TAG && cd $CURRENT_DIR 
else
    cd $CERES_DIR && git fetch && cd $CURRENT_DIR
    cd $CERES_DIR && git checkout $CERES_TAG && cd $CURRENT_DIR 
fi

echo "### Patched ceres cmake ###"
#remove -Werror from cmake lists as clang outputs warnings for unused include paths
sed -i 's/-Werror/-Wall/g' $CERES_DIR/CMakeLists.txt

mkdir -p $CURRENT_DIR/build && cd $CURRENT_DIR/build

# so that ceres knows where to find headers and libs from glog/gflags/protobuf
export CMAKE_PREFIX_PATH=$INSTALL_DIR

rm -rf build
mkdir -p build
cd build
cmake -DCMAKE_CXX_FLAGS=-fPIC $CERES_DIR -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR && make -j8 -l4 install