configure

#!/bin/bash
set -e

PREFIX=$(pwd)/local
CUDA_HOME=/usr/local/cuda

BUILD_BENCHMARKS=0
BUILD_EXAMPLES=0
BUILD_GBENCH=0
BUILD_GTEST=0
BUILD_LIB=0
BUILD_TESTS=0

HAVE_CUDA=0
USE_OPENCV=0
VERBOSE=0

parse_args() {
    for i in "$@"; do
        case $i in
        --prefix=*)
            PREFIX="${i#*=}"
            ;;
        --use-opencv)
            USE_OPENCV=1
            ;;
        --examples)
            BUILD_EXAMPLES=1
            ;;
        --tests)
            BUILD_TESTS=1
            ;;
        --no-tests)
            BUILD_TESTS=0
            ;;
        --benchmarks)
            BUILD_BENCHMARKS=1
            ;;
        --no-benchmarks)
            BUILD_BENCHMARKS=0
            ;;
        --no-cuda)
            HAVE_CUDA=0
            ;;
        --build-lib)
            BUILD_LIB=1
            ;;
        --build-gtest)
            BUILD_GTEST=1
            ;;
        --build-gbench)
            BUILD_GBENCH=1
            ;;
        --with-cuda=*)
            CUDA_HOME="${i#*=}"
            echo "configure --with-cuda=$CUDA_HOME"
            ;;
        --release=*)
            RELEASE="${i#*=}"
            ;;
        --verbose)
            VERBOSE=1
            ;;
        --quiet)
            QUIET=1
            ;;
        *)
            echo "unknown argument $i"
            exit 1
            ;;
        esac
    done

    if [ -f $CUDA_HOME/include/cuda_runtime.h ]; then
        HAVE_CUDA=1
    fi
}

. ./auto/cmake

add_cmake_prefixes() {
    add_cmake_prefix $HOME/local
    add_cmake_prefix $HOME/local/gtest
    add_cmake_prefix $HOME/local/openblas
}

add_cmake_flags() {
    add_cmake_flag CMAKE_INSTALL_PREFIX ${PREFIX}
    add_cmake_flag BUILD_TESTS ${BUILD_TESTS}
    add_cmake_flag BUILD_BENCHMARKS ${BUILD_BENCHMARKS}
    add_cmake_flag BUILD_EXAMPLES ${BUILD_EXAMPLES}

    if [ ${HAVE_CUDA} -eq 1 ]; then
        add_cmake_flag HAVE_CUDA ${HAVE_CUDA}
        add_cmake_flag CUDA_HOME $CUDA_HOME
    fi

    if [ ${BUILD_LIB} -eq 1 ]; then
        add_cmake_flag BUILD_LIB ${BUILD_LIB}
    fi
    if [ ${BUILD_EXAMPLES} -eq 1 ]; then
        add_cmake_flag USE_OPENCV ${USE_OPENCV}
    fi
    if [ ${BUILD_TESTS} -eq 1 ] && [ ${BUILD_GTEST} -eq 1 ]; then
        add_cmake_flag BUILD_GTEST ${BUILD_GTEST}
        pass_cmake_flag_from_env GTEST_GIT_URL
    fi
    if [ ${BUILD_BENCHMARKS} -eq 1 ] && [ ${BUILD_GBENCH} -eq 1 ]; then
        add_cmake_flag BUILD_GBENCH ${BUILD_GBENCH}
        pass_cmake_flag_from_env GBENCH_GIT_URL
    fi

    # FIXME:
    # 23/23 Test #23: test-zip .........................***Exception: SegFault  1.51 sec
    # add_cmake_flag CMAKE_BUILD_TYPE Release

    add_cmake_flag CMAKE_RUNTIME_OUTPUT_DIRECTORY $PWD/bin
    add_cmake_flag LIBRARY_OUTPUT_PATH $PWD/lib # TODO: upgrade to CMAKE_LIBRARY_OUTPUT_DIRECTORY
    add_cmake_flag CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH}

    add_cmake_flag CMAKE_EXPORT_COMPILE_COMMANDS ${VERBOSE}

    # add_cmake_flag BUILD_DOCS 1
    # add_cmake_flag CMAKE_FIND_DEBUG_MODE 1

    if [ ! -z "$RELEASE" ]; then
        add_cmake_flag CPACK_PACKAGE_VERSION $RELEASE
        add_cmake_flag BUILD_RELEASE 1
    fi
}

main() {
    parse_args $@
    config_cmake
}

main $@