configure

#!/bin/bash

# Default options
BUILD_DIR="build"
CMAKE_GENERATOR="Unix Makefiles"
BUILD_TYPE="Release"
INSTALL_OPTIONS=""
EXTRA_OPTIONS=""

# Create default configs
if [ ! -d "./.localconfig" ]
then
    mkdir ".localconfig"

    touch ".localconfig/default"
    echo "#!/bin/bash" >> ".localconfig/default"
    echo "" >> ".localconfig/default"
    echo "# Default configuration for configure (is always sourced)" >> ".localconfig/default"
    echo "" >> ".localconfig/default"
    echo "# CMake generator" >> ".localconfig/default"
    echo "CMAKE_GENERATOR=\"Unix Makefiles\"" >> ".localconfig/default"
    echo "" >> ".localconfig/default"
    echo "# Build directory and build type" >> ".localconfig/default"
    echo "BUILD_DIR=\"build\"" >> ".localconfig/default"
    echo "BUILD_TYPE=\"Release\"" >> ".localconfig/default"
    echo "" >> ".localconfig/default"
    echo "# CMake installation options" >> ".localconfig/default"
    echo "INSTALL_OPTIONS=\"\"" >> ".localconfig/default"
    echo "" >> ".localconfig/default"
    echo "# Additional CMake options" >> ".localconfig/default"
    echo "EXTRA_OPTIONS=\"\"" >> ".localconfig/default"
    echo "" >> ".localconfig/default"
    echo "# Environment variables (e.g., search paths for external libraries)" >> ".localconfig/default"
    echo "#export CMAKE_PREFIX_PATH=\"/opt/Qt5.2.1/5.2.1/gcc_64/\"" >> ".localconfig/default"
    echo "#export GMOCK_HOME=/opt/gmock-1.7.0" >> ".localconfig/default"
    echo "#export GTEST_HOME=/opt/gtest-1.7.0" >> ".localconfig/default"

    touch ".localconfig/debug"
    echo "#!/bin/bash" >> ".localconfig/debug"
    echo "" >> ".localconfig/debug"
    echo "# Configuration option 'debug'" >> ".localconfig/debug"
    echo "" >> ".localconfig/debug"
    echo "# Build directory and build type" >> ".localconfig/debug"
    echo "BUILD_DIR=\"build-debug\"" >> ".localconfig/debug"
    echo "BUILD_TYPE=\"Debug\"" >> ".localconfig/debug"

    touch ".localconfig/portable"
    echo "#!/bin/bash" >> ".localconfig/portable"
    echo "" >> ".localconfig/portable"
    echo "# Configuration option 'portable'" >> ".localconfig/portable"
    echo "" >> ".localconfig/portable"
    echo "# Enable portable installation" >> ".localconfig/portable"
    echo "INSTALL_OPTIONS=\"-DCMAKE_INSTALL_PREFIX:PATH=./install -DOPTION_PORTABLE_INSTALL=ON\"" >> ".localconfig/portable"

    echo "Default configuration has been written to .localconfig"
    echo "Please review and adjust the configuration, then run again"
    echo "  ./configure"
    exit
fi

# Read local default options
if [ -f "./.localconfig/default" ]
then
    . ./.localconfig/default
fi

# Parse command line arguments
for ARG in "$@"
do
    # Read in configuration for that command-line argument
    CONFIGFILE="./.localconfig/$ARG"
    if [ -f "$CONFIGFILE" ]
    then
        . "$CONFIGFILE"
    fi
done

# Configure build
echo "Configuring ..."

# Create build directory
if [ ! -d "./$BUILD_DIR" ]
then
    mkdir $BUILD_DIR
fi

# Configure project
cd $BUILD_DIR
cmake -G "$CMAKE_GENERATOR" "-DCMAKE_BUILD_TYPE=$BUILD_TYPE" $INSTALL_OPTIONS $EXTRA_OPTIONS ..
if [ $? == 0 ]
then
    echo "Project configured. To build the project, use";
    echo "  cd $BUILD_DIR"
    echo "  make"
else
    echo "Configuration failed.";
fi

cd ..