configure

#!/bin/sh
set -e

# defaults
USE_BLAS=0
USE_OPENCV=0
USE_EXTERN=0

BLAS_HOME=

BUILD_LIB=0
BUILD_EXAMPLES=0
BUILD_TESTS=0
BUILD_BENCHMARKS=0

BUILD_GTEST=0
BUILD_GBENCH=0

VERBOSE=0

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

. ./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() {
    pass_cmake_flag_from_env STDTENSOR_GIT_URL

    add_cmake_flag EXECUTABLE_OUTPUT_PATH $PWD/bin
    add_cmake_flag CMAKE_BUILD_TYPE Release
    add_cmake_flag CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH}
    # add_cmake_flag CMAKE_MESSAGE_LOG_LEVEL ERROR

    # add_cmake_flag USE_OPT 1
    add_cmake_flag USE_OPENBLAS ${USE_BLAS}
    if [ ! -z "${BLAS_HOME}" ]; then
        add_cmake_flag BLAS_HOME ${BLAS_HOME}
    fi

    add_cmake_flag BUILD_BENCHMARKS ${BUILD_BENCHMARKS}
    add_cmake_flag BUILD_EXAMPLES ${BUILD_EXAMPLES}
    add_cmake_flag BUILD_LIB ${BUILD_LIB}
    add_cmake_flag BUILD_PACKAGES 1
    add_cmake_flag BUILD_TESTS ${BUILD_TESTS}
    add_cmake_flag CMAKE_INSTALL_PREFIX ${PREFIX}
    add_cmake_flag USE_EXTERN ${USE_EXTERN}

    if [ ${USE_EXTERN} -eq 1 ]; then
        add_cmake_flag LIBRARY_OUTPUT_PATH $PWD/lib
    fi
    if [ ${BUILD_EXAMPLES} -eq 1 ]; then
        pass_cmake_flag_from_env STDTRACER_GIT_URL
        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: depend on a tag for release version
    add_cmake_flag STDTRACER_GIT_TAG $(get_dep stdtracer)
    add_cmake_flag STDTENSOR_GIT_TAG $(get_dep stdtensor)

    add_cmake_flag CMAKE_EXPORT_COMPILE_COMMANDS ${VERBOSE}
    add_cmake_flag CMAKE_VERBOSE_MAKEFILE ${VERBOSE}
}

main() {
    parse_args $@
    config_cmake
}

main $@