#!/bin/bash

INVOCATION_ABS_DIR=`pwd`
BUILD_TYPE="None"
CMD_LINE_ARGS=""

#-------------------------------------------------------------------
#  Part 1: Check for and handle command-line arguments
#-------------------------------------------------------------------
for ARGI; do
    if [ "${ARGI}" = "--help" -o "${ARGI}" = "-h" ] ; then
	printf "%s [SWITCHES]                       \n" $0
	printf "Switches:                           \n" 
	printf "  --help, -h                        \n" 
        printf "  --debug,   -d                     \n"
        printf "  --release, -r                     \n"
	printf "Notes:                              \n"
	printf " (1) All other command line args will be passed as args    \n"
	printf "     to \"make\" when it is eventually invoked.            \n"
	printf " (2) For example -k will continue making when/if a failure \n"
	printf "     is encountered in building one of the subdirectories. \n"
	printf " (3) For example -j2 will utilize a 2nd core in the build  \n"
	printf "     if your machine has two cores. -j4 etc for quad core. \n"
	exit 0;
    elif [ "${ARGI}" = "--debug" -o "${ARGI}" = "-d" ] ; then
        BUILD_TYPE="Debug"
    elif [ "${ARGI}" = "--release" -o "${ARGI}" = "-r" ] ; then
        BUILD_TYPE="Release"
    else
	CMD_LINE_ARGS=$CMD_LINE_ARGS" "$ARGI
    fi
done

#-------------------------------------------------------------------
#  Part 2: Invoke the call to make in the build directory
#-------------------------------------------------------------------

mkdir -p build
cd build

# 修复: PATH 中包含了 Windows Anaconda(/mnt/d/Software/Anaconda),
# 其下的 GTest 是 Windows .lib, 无法被 Linux 链接器使用。
# 因此显式指定 Linux 平台的 GTest 配置, 覆盖 CMake 从 PATH 探测到的不正确路径。
CMAKE_ARGS="-DCMAKE_BUILD_TYPE=${BUILD_TYPE}"
if [ -z "${GTest_DIR}" ]; then
    for GTEST_CONFIG in \
        /usr/lib/x86_64-linux-gnu/cmake/GTest/GTestConfig.cmake \
        /usr/lib/cmake/GTest/GTestConfig.cmake \
        /usr/local/lib/cmake/GTest/GTestConfig.cmake \
        "${HOME}/miniconda/lib/cmake/GTest/GTestConfig.cmake"; do
        if [ -f "${GTEST_CONFIG}" ]; then
            CMAKE_ARGS="${CMAKE_ARGS} -DGTest_DIR=$(dirname "${GTEST_CONFIG}")"
            break
        fi
    done
fi

cmake ${CMAKE_ARGS} ../

make ${CMD_LINE_ARGS}
cd ${INVOCATION_ABS_DIR}