Linux C++ default buildfile

build.sh

#!/usr/bin/env sh

set -e

APP_NAME="myapp"
DEFINE_PREFIX="MYAPP"
BINARY="${APP_NAME}_linux_x86_64"
BASE_DIR="$PWD"
PLATFORM_DIR="$(dirname "$0")"
PLATFORM_NAME="$(basename "${PLATFORM_DIR}")"
BUILD_DIR="${BASE_DIR}/build/${PLATFORM_NAME}"
DATA_DIR="${BASE_DIR}/data"
INCLUDE_DIR="${BASE_DIR}/include"

# NOTE(dgl): Load env variables if file is available
[ -f "${BASE_DIR}/ENV" ] && . "${BASE_DIR}/ENV"

# NOTE(dgl): check if tools are available

[ -d "${BUILD_DIR}" ] || mkdir -p "${BUILD_DIR}"
[ -d "${DATA_DIR}" ] || mkdir -p "${DATA_DIR}"

CommonCompilerFlags="-O0 -g -ggdb -fdiagnostics-color=always -std=c++11 -fno-rtti -fno-exceptions -ffast-math -msse4.1 -msse2
-Wall -Werror -Wconversion
-Wno-writable-strings -Wno-gnu-anonymous-struct
-Wno-padded -Wno-string-conversion
-Wno-error=sign-conversion -Wno-incompatible-function-pointer-types
-Wno-error=unused-variable -Wno-unused-function
-Wno-error=unused-command-line-argument"

CommonDefines="-D${DEFINE_PREFIX}_DEBUG=1 -D${DEFINE_PREFIX}_INTERNAL=1"

CommonIncludeFlags=""

CommonLinkerFlags="-lxcb"

fetch() {
    echo "Fetching dependencies"
}

build() {
    echo "Build application"
    clang++ -shared -Wl,-soname,"${APP_NAME}.so" -fPIC $CommonIncludeFlags $CommonCompilerFlags $CommonDefines -o "${BUILD_DIR}/${APP_NAME}.so" "${BASE_DIR}/lib/${APP_NAME}.cpp"
    clang++ $CommonIncludeFlags $CommonCompilerFlags $CommonDefines $CommonLinkerFlags -o "${BUILD_DIR}/${BINARY}" "${PLATFORM_DIR}/main.cpp"
}

launch() {
    echo "Launch application"
    "${BUILD_DIR}/${BINARY}" $@
}

debug() {
    echo "Debug application"

    GDB_FRONTEND="$(which gf2)"

    if [ -z "${GDB_FRONTEND}" ]; then
        gdb "${BUILD_DIR}/${BINARY}" $@
    else
        gf2 "${BUILD_DIR}/${BINARY}" $@
    fi
}

COMMAND="$1"
shift
ARGS="$@"

case "${COMMAND}" in
fetch)
    fetch
;;

run)
    fetch
    build
    launch "${ARGS}"
;;

build)
    fetch
    build
;;

launch)
    launch "${ARGS}"
;;

debug)
    fetch
    build
    debug  "${ARGS}"
;;

all)
    build
    launch  "${ARGS}"
;;

help)
    echo "Usage: $(basename "$0") [command]"
    echo "By default build, install and run ${BINARY}."
    echo
    echo "Optional [command] can be:"
    echo "  fetch                     - download dependent libraries"
    echo "  run                       - build and launch application"
    echo "  build                     - build application"
    echo "  launch                    - only start application"
    echo "  debug                     - run in gdb"
;;

*)
    fetch
    build
    launch "${ARGS}"
;;

esac