diff --git a/.github/workflows/emu-build-all-macos.yml b/.github/workflows/emu-build-all-macos.yml
new file mode 100644
index 00000000..9805bf0d
--- /dev/null
+++ b/.github/workflows/emu-build-all-macos.yml
@@ -0,0 +1,70 @@
+name: Build all emu variants (macos)
+
+on:
+  workflow_call:
+    # needed since it allows this to become a reusable workflow
+  workflow_dispatch:
+    # allows manual trigger
+
+permissions:
+  contents: write
+
+jobs:
+  deps:
+    name: Restore or build deps
+    if: ${{ !cancelled() }}
+    uses: ./.github/workflows/emu-deps-macos.yml
+
+  emu-regular-x64-release:
+    name: Regular x64 (release)
+    needs: [ deps ]
+    if: ${{ !cancelled() }}
+    uses: ./.github/workflows/emu-build-variant-macos.yml
+    with:
+      emu-variant: regular
+      debug: false
+
+  emu-regular-x64-debug:
+    name: Regular x64 (debug)
+    needs: [ deps ]
+    if: ${{ !cancelled() }}
+    uses: ./.github/workflows/emu-build-variant-macos.yml
+    with:
+      emu-variant: regular
+      debug: true
+
+  emu-exp-x64-release:
+    name: Experimental x64 (release)
+    needs: [ deps ]
+    if: ${{ !cancelled() }}
+    uses: ./.github/workflows/emu-build-variant-macos.yml
+    with:
+      emu-variant: exp
+      debug: false
+
+  emu-exp-x64-debug:
+    name: Experimental x64 (debug)
+    needs: [ deps ]
+    if: ${{ !cancelled() }}
+    uses: ./.github/workflows/emu-build-variant-macos.yml
+    with:
+      emu-variant: exp
+      debug: true
+
+  tools-x64-release:
+    name: Tools x64 (release)
+    needs: [ deps ]
+    if: ${{ !cancelled() }}
+    uses: ./.github/workflows/emu-build-variant-macos.yml
+    with:
+      emu-variant: tools
+      debug: false
+
+  tools-x64-debug:
+    name: Tools x64 (debug)
+    needs: [ deps ]
+    if: ${{ !cancelled() }}
+    uses: ./.github/workflows/emu-build-variant-macos.yml
+    with:
+      emu-variant: tools
+      debug: true
diff --git a/.github/workflows/emu-build-variant-macos.yml b/.github/workflows/emu-build-variant-macos.yml
new file mode 100644
index 00000000..bb8f57e7
--- /dev/null
+++ b/.github/workflows/emu-build-variant-macos.yml
@@ -0,0 +1,111 @@
+name: Build emu variant (macos)
+
+on:
+  workflow_call:
+    inputs:
+      emu-variant:
+        description: |
+          Which variant of the emu to build:
+            regular: build the regular version of the emu
+            exp: build the experimental version of the emu
+            tools: build the tools only
+        required: true
+        type: string
+    
+      debug:
+        description: |
+          build mode
+            true: build in debug mode
+            false: build in release mode
+        required: true
+        type: boolean
+
+permissions:
+  contents: write
+
+env:
+  DEPS_CACHE_KEY: emu-deps-macos
+  DEPS_CACHE_DIR: build/deps/macos
+
+  PACKAGE_BASE_DIR: "build/package/macos"
+  THIRD_PARTY_BASE_DIR: 'third-party'
+  
+jobs:
+  build:
+    runs-on: macos-13
+    if: ${{ !cancelled() }}
+
+    steps:
+### setup build vars
+    - name: Setup build vars
+      shell: bash
+      run: |
+        echo "env file = '$GITHUB_ENV'"
+        echo "workspace = '${{ github.workspace }}'"
+        
+        build_switches=""
+        if [[ "${{ inputs.emu-variant }}" = "regular" ]]; then
+          build_switches="+lib-64 +client-64"
+        elif [[ "${{ inputs.emu-variant }}" = "exp" ]]; then
+          build_switches="+exp-lib-64 +exp-client-64"
+        elif [[ "${{ inputs.emu-variant }}" = "tools" ]]; then
+          build_switches="+tool-clientldr +tool-itf-64 +tool-lobby-64"
+        else
+          echo "[X] invalid emu variant '${{ inputs.emu-variant }}'" >&2
+          exit 1
+        fi
+        echo "build_switches=$build_switches" >>"$GITHUB_ENV"
+
+        build_mode=""
+        if [[ "${{ inputs.debug }}" = "true" ]]; then
+          build_mode="debug"
+        else
+          build_mode="release"
+        fi
+        echo "build_mode=$build_mode" >>"$GITHUB_ENV"
+
+    - name: Checkout branch
+      uses: actions/checkout@v4
+
+### deps
+    - name: Restore deps
+      id: emu-deps-cache-step
+      uses: actions/cache@v4
+      with:
+        key: ${{ env.DEPS_CACHE_KEY }}
+        path: ${{ env.DEPS_CACHE_DIR }}
+
+## mandatory macos packages, installed via sudo apt install ...
+    - name: Install required packages
+      shell: bash
+      run: sudo chmod 777 build_macos_deps.sh && ./build_macos_deps.sh -verbose -packages_only
+
+## extra helpers/tools, these are not built inside the deps build dir
+    - name: Clone third-party build helpers (build/macos)
+      uses: actions/checkout@v4
+      with:
+        ref: 'third-party/build/macos'
+        path: "${{env.THIRD_PARTY_BASE_DIR}}/build/macos"
+
+### fix folder permissions! not sure why this fails
+    # nested subdirs "build/macos/release" cause permission problems
+    - name: Give all permissions to repo folder
+      shell: bash
+      working-directory: ${{ github.workspace }}
+      run:  sudo chmod -R 777 "${{ github.workspace }}"
+
+### build target(s)
+    - name: Build target(s)
+      shell: bash
+      working-directory: ${{ github.workspace }}
+      run: "sudo chmod 777 build_macos.sh && ./build_macos.sh -j 3 -verbose ${{ env.build_mode }} clean +build_str ${{ github.sha }} ${{ env.build_switches }}"
+
+### upload artifact/package to github Actions (for targets)
+    - name: Upload build package (for targets)
+      uses: actions/upload-artifact@v4
+      with:
+        name: "emu-macos-${{ inputs.emu-variant }}-64-${{ env.build_mode }}-${{ github.sha }}"
+        path: "build/macos/"
+        if-no-files-found: 'error'
+        compression-level: 9
+        retention-days: 1
diff --git a/build_macos.sh b/build_macos.sh
new file mode 100644
index 00000000..76293253
--- /dev/null
+++ b/build_macos.sh
@@ -0,0 +1,528 @@
+#!/usr/bin/env bash
+
+### make sure to cd to the emu src dir
+required_files=(
+  "dll/dll.cpp"
+  "dll/steam_client.cpp"
+  "controller/gamepad.c"
+  "sdk/steam/isteamclient.h"
+)
+
+for emu_file in "${required_files[@]}"; do
+  if [ ! -f "$emu_file" ]; then
+    echo "[X] Invalid emu directory, change directory to emu's src dir (missing file '$emu_file')" >&2
+    exit 1
+  fi
+done
+
+BUILD_LIB64=0
+BUILD_EXP_LIB64=0
+
+BUILD_CLIENT64=0
+BUILD_EXPT_CLIENT64=0
+BUILD_TOOL_CLIENT_LDR=0
+
+BUILD_TOOL_FIND_ITFS64=0
+BUILD_TOOL_LOBBY64=0
+
+BUILD_LIB_NET_SOCKETS_64=0
+
+# < 0: deduce, > 1: force
+PARALLEL_THREADS_OVERRIDE=-1
+
+CMD_BUILD_STR=''
+
+# 0 = release, 1 = debug, otherwise error
+BUILD_TYPE=-1
+
+CLEAN_BUILD=0
+
+VERBOSE=0
+
+for (( i=1; i<=$#; i++ )); do
+  var="${!i}"
+  if [[ "$var" = "-j" ]]; then
+    i=$((i+1))
+    PARALLEL_THREADS_OVERRIDE="${!i}"
+    [[ "$PARALLEL_THREADS_OVERRIDE" =~ ^[0-9]+$ ]] || {
+      echo "[X] Invalid arg after -j, expected a number" >&2;
+      exit 1;
+    }
+    #echo "[?] Overriding parralel build jobs count with $PARALLEL_THREADS_OVERRIDE"
+  elif [[ "$var" = "+build_str" ]]; then
+    i=$((i+1))
+    CMD_BUILD_STR="${!i}"
+    [[ -z "$CMD_BUILD_STR" ]] && {
+      echo "[X] Expected a build string" >&2;
+      exit 1;
+    }
+  elif [[ "$var" = "+lib-64" ]]; then
+    BUILD_LIB64=1
+  elif [[ "$var" = "+exp-lib-64" ]]; then
+    BUILD_EXP_LIB64=1
+  elif [[ "$var" = "+client-64" ]]; then
+    BUILD_CLIENT64=1
+  elif [[ "$var" = "+exp-client-64" ]]; then
+    BUILD_EXPT_CLIENT64=1
+  elif [[ "$var" = "+tool-clientldr" ]]; then
+    BUILD_TOOL_CLIENT_LDR=1
+  elif [[ "$var" = "+tool-itf-64" ]]; then
+    BUILD_TOOL_FIND_ITFS64=1
+  elif [[ "$var" = "+tool-lobby-64" ]]; then
+    BUILD_TOOL_LOBBY64=1
+  elif [[ "$var" = "+lib-netsockets-64" ]]; then
+    BUILD_LIB_NET_SOCKETS_64=1
+  elif [[ "$var" = "-verbose" ]]; then
+    VERBOSE=1
+  elif [[ "$var" = "clean" ]]; then
+    CLEAN_BUILD=1
+  elif [[ "$var" = "release" ]]; then
+    BUILD_TYPE=0
+  elif [[ "$var" = "debug" ]]; then
+    BUILD_TYPE=1
+  else
+    echo "[X] Invalid arg: $var" >&2
+    exit 1
+  fi
+done
+
+# use 70%
+build_threads="$(( $(getconf _NPROCESSORS_ONLN 2>/dev/null || echo 0) * 70 / 100 ))"
+[[ $PARALLEL_THREADS_OVERRIDE -gt 0 ]] && build_threads="$PARALLEL_THREADS_OVERRIDE"
+[[ $build_threads -lt 1 ]] && build_threads=1
+
+# build type
+optimize_level=""
+dbg_level=""
+dbg_defs=""
+linker_strip_dbg_symbols=''
+build_folder=""
+if [[ "$BUILD_TYPE" = "0" ]]; then
+  optimize_level="-O2"
+  dbg_level="-g0"
+  dbg_defs="-DEMU_RELEASE_BUILD -DNDEBUG"
+  linker_strip_dbg_symbols='-Wl,-S'
+  build_folder="release"
+elif [[ "$BUILD_TYPE" = "1" ]]; then
+  optimize_level="-Og"
+  dbg_level="-g3"
+  dbg_defs=""
+  linker_strip_dbg_symbols=""
+  build_folder="debug"
+else
+  echo "[X] You must specify any of: [release debug]" >&2
+  exit 1
+fi
+
+build_root_dir="build/macos/$build_folder"
+build_root_64="$build_root_dir/x64"
+build_root_experimental="$build_root_dir/experimental"
+build_root_tools="$build_root_dir/tools"
+
+# common stuff
+deps_dir="build/deps/macos"
+libs_dir="libs"
+tools_dir='tools'
+build_temp_dir="build/tmp/macos"
+protoc_out_dir="dll/proto_gen/macos"
+third_party_dir="third-party"
+third_party_build_dir="$third_party_dir/build/macos"
+
+protoc_exe_64="$deps_dir/protobuf/install64/bin/protoc"
+
+parallel_exe="$third_party_build_dir/rush/rush"
+
+# https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html
+common_compiler_args="-std=c++17 -fvisibility=hidden -fexceptions -fno-jump-tables -fno-char8_t"
+
+# third party dependencies (include folder + folder containing .a file)
+ssq_inc="$deps_dir/libssq/include"
+ssq_lib64="$deps_dir/libssq/build64"
+
+curl_inc64="$deps_dir/curl/install64/include"
+curl_lib64="$deps_dir/curl/install64/lib"
+
+protob_inc64="$deps_dir/protobuf/install64/include"
+protob_lib64="$deps_dir/protobuf/install64/lib"
+
+zlib_inc64="$deps_dir/zlib/install64/include"
+zlib_lib64="$deps_dir/zlib/install64/lib"
+
+mbedtls_inc64="$deps_dir/mbedtls/install64/include"
+mbedtls_lib64="$deps_dir/mbedtls/install64/lib"
+
+overlay_inc64="$deps_dir/ingame_overlay/install64/include"
+overlay_lib64="$deps_dir/ingame_overlay/install64/lib"
+overlay_sys_lib64="$deps_dir/ingame_overlay/deps/System/install64/lib"
+overlay_detour_lib64="$deps_dir/ingame_overlay/deps/mini_detour/install64/lib"
+
+# directories to use for #include
+release_incs_both=(
+  "$ssq_inc"
+  "$libs_dir"
+  "$protoc_out_dir"
+  "$libs_dir/utfcpp"
+  "controller"
+  "dll"
+  "sdk"
+  "overlay_experimental"
+  "crash_printer"
+  "helpers"
+)
+release_incs64=(
+  "${release_incs_both[@]}"
+  "$curl_inc64"
+  "$protob_inc64"
+  "$zlib_inc64"
+  "$mbedtls_inc64"
+)
+
+# directories where libraries (.a or .so) will be looked up
+release_libs_dir64=(
+  "$ssq_lib64"
+  "$curl_lib64"
+  "$protob_lib64"
+  "$zlib_lib64"
+  "$mbedtls_lib64"
+
+  "$overlay_lib64"
+  "$overlay_sys_lib64"
+  "$overlay_detour_lib64"
+)
+
+# libraries to link with, either static ".a" or dynamic ".so" (name only)
+# if it's called libXYZ.a, then only write "XYZ"
+# for static libs make sure to build a PIC lib
+# each will be prefixed with -l, ex: -lpthread
+release_libs=(
+  "pthread"
+  "dl"
+  "ssq"
+  "z" # libz library
+  "curl"
+  "protobuf-lite"
+  "mbedcrypto"
+)
+
+# common source files used everywhere, just for convinience, you still have to provide a complete list later
+release_src=(
+  "dll/*.cpp"
+  "$protoc_out_dir/*.cc"
+  "crash_printer/linux.cpp"
+  "helpers/common_helpers.cpp"
+)
+
+emu_build_string="$CMD_BUILD_STR"
+[[ -z "$emu_build_string" ]] && {
+  emu_build_string="$(date +'%m%d%Y-%H%M')"
+}
+
+# https://gcc.gnu.org/onlinedocs/gcc/Preprocessor-Options.html
+# additional #defines
+common_defs="-DGNUC -DUTF_CPP_CPLUSPLUS=201703L -DCURL_STATICLIB -D'EMU_BUILD_STRING=$emu_build_string'"
+release_defs="$dbg_defs $common_defs"
+
+# errors to ignore during build
+release_ignore_warn="-Wno-switch"
+
+[ ! -d "$deps_dir" ] && {
+  echo "[X] Dependencies dir \"$deps_dir\" was not found" >&2;
+  exit 1;
+}
+
+[ ! -f "$protoc_exe_64" ] && {
+  echo "[X] protobuff compiler wasn't found - 64" >&2;
+  exit 1;
+}
+
+[ ! -f "$parallel_exe" ] && {
+  echo "[X] tool to run parallel compilation jobs '$parallel_exe' wasn't found" >&2;
+  exit 1;
+}
+
+chmod 777 "$parallel_exe"
+
+echo "[?] All build operations will use $build_threads parallel jobs"
+
+last_code=0
+
+empty_arr=()
+
+function build_for () {
+
+  local is_exe=$( [[ "$1" != 0 ]] && { echo 1; } || { echo 0; }  )
+  local out_filepath="${2:?'missing output filepath'}"
+  local -n all_src=$3
+  local -n extra_inc_dirs=$4
+  local extra_defs="$5"
+  local -n extra_libs=$6
+
+  [[ "${#all_src[@]}" = "0" ]] && {
+    echo [X] "No source files specified" >&2;
+    return 1;
+  }
+
+  # https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html
+  local cpiler_pic_pie='-fPIC'
+  [[ $is_exe = 1 ]] && cpiler_pic_pie='-fPIE'
+
+  # https://gcc.gnu.org/onlinedocs/gcc/Link-Options.html
+  # https://www.baeldung.com/linux/library-convert-static-to-shared
+  local linker_pic_pie='-shared'
+  [[ $is_exe = 1 ]] && linker_pic_pie='-pie'
+
+  local tmp_work_dir="${out_filepath##*/}"
+  tmp_work_dir="$build_temp_dir/${tmp_work_dir%.*}"
+  echo "  -- Cleaning compilation directory '$tmp_work_dir/'"
+  rm -f -r "$tmp_work_dir"
+  mkdir -p "$tmp_work_dir" || {
+    echo [X] "Failed to create compilation directory" >&2;
+    return 1;
+  }
+  
+  local build_cmds=()
+  local -A objs_dirs=()
+  for src_file in $( echo "${all_src[@]}" ); do
+    [[ -f "$src_file" ]] || {
+      echo "[X] source file "$src_file" wasn't found" >&2;
+      return 1;
+    }
+    
+    # https://stackoverflow.com/a/9559024
+    local obj_dir=$( [[ -d "${src_file%/*}" ]] && echo "${src_file%/*}" || echo '.' )
+    obj_dir="$tmp_work_dir/$obj_dir"
+    
+    local obj_name="${src_file##*/}"
+    obj_name="${obj_name%.*}.o"
+    
+    build_cmds+=("$src_file<>$obj_dir/$obj_name")
+    objs_dirs["$obj_dir"]="$obj_dir"
+    
+    mkdir -p "$obj_dir"
+  done
+
+  [[ "${#build_cmds[@]}" = "0" ]] && {
+    echo [X] "No valid source files were found" >&2;
+    return 1;
+  }
+
+  local target_incs=()
+  local target_libs_dirs=()
+  target_incs=("${release_incs64[@]}")
+  target_libs_dirs=("${release_libs_dir64[@]}")
+  target_incs=(
+    "${target_incs[@]}"
+    "${extra_inc_dirs[@]}"
+  )
+  # wrap each -ImyIncDir with single quotes -> '-ImyIncDir'
+  target_incs=("${target_incs[@]/#/\'-I}")
+  target_incs=("${target_incs[@]/%/\'}")
+  
+  echo "  -- Compiling object files with $build_threads parallel jobs inside directory '$tmp_work_dir/'"
+  local build_cmd="clang++ -c -x c++ $common_compiler_args $cpiler_pic_pie $optimize_level $dbg_level $release_ignore_warn $release_defs $extra_defs ${target_incs[@]} '{1}' '-o{2}'"
+
+  if [[ $VERBOSE = 1 ]]; then
+    printf '%s\n' "${build_cmds[@]}" | "$parallel_exe" --dry-run -j$build_threads -d '<>' -k "$build_cmd"
+    echo;
+  fi
+
+  printf '%s\n' "${build_cmds[@]}" | "$parallel_exe" -j$build_threads -d '<>' -k "$build_cmd"
+  exit_code=$?
+  echo "  -- Exit code = $exit_code"
+  echo; echo;
+  sleep 1
+  [[ $exit_code = 0 ]] || {
+    rm -f -r "$tmp_work_dir";
+    sleep 1
+    return $exit_code;
+  }
+
+  echo "  -- Linking all object files from '$tmp_work_dir/' to produce '$out_filepath'"
+  local obj_files=()
+  for obj_file in $(echo "${objs_dirs[@]/%//*.o}" ); do
+    [[ -f "$obj_file" ]] && obj_files+=("$obj_file")
+  done
+  # if no files were added
+  [[ "${#obj_files[@]}" -gt 0 ]] || {
+    echo "[X] No files to link" >&2;
+    return 1;
+  }
+  
+  local out_dir="${out_filepath%/*}"
+  [[ "$out_dir" = "$out_filepath" ]] && out_dir='.'
+  mkdir -p "$out_dir"
+
+  local target_libs=(
+    "${release_libs[@]}"
+    "${extra_libs[@]}"
+  )
+  
+  # https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/developer_guide/gcc-using-libraries#gcc-using-libraries_using-both-static-dynamic-library-gcc
+  # https://linux.die.net/man/1/ld
+  if [[ $VERBOSE = 1 ]]; then
+    echo "clang++ $common_compiler_args $cpiler_pic_pie $optimize_level $dbg_level $linker_pic_pie $linker_strip_dbg_symbols -o" "$out_filepath" "${obj_files[@]}" "${target_libs_dirs[@]/#/-L}" "-Wl,--whole-archive -Wl,-Bstatic" "${target_libs[@]/#/-l}" "-Wl,-Bdynamic -Wl,--no-whole-archive -Wl,--exclude-libs,ALL"
+    echo;
+  fi
+
+  clang++ $common_compiler_args $cpiler_pic_pie $optimize_level $dbg_level $linker_pic_pie $linker_strip_dbg_symbols -o "$out_filepath" "${obj_files[@]}" "${target_libs_dirs[@]/#/-L}" -Wl,--whole-archive -Wl,-Bstatic "${target_libs[@]/#/-l}" -Wl,-Bdynamic -Wl,--no-whole-archive -Wl,--exclude-libs,ALL
+  exit_code=$?
+  echo "  -- Exit code = $exit_code"
+  echo; echo;
+  rm -f -r "$tmp_work_dir"
+  sleep 1
+  return $exit_code
+
+}
+
+function cleanup () {
+  rm -f -r "$build_temp_dir"
+}
+
+if [[ "$CLEAN_BUILD" = "1" ]]; then
+  echo // cleaning previous build
+  [[ -d "$build_root_dir" ]] && rm -f -r "$build_root_dir"
+  echo; echo;
+fi
+
+
+## tools
+if [[ "$BUILD_TOOL_CLIENT_LDR" = "1" ]]; then
+  [[ -d "$build_root_tools/steamclient_loader/" ]] || mkdir -p "$build_root_tools/steamclient_loader/"
+  cp -f "$tools_dir"/steamclient_loader/linux/* "$build_root_tools/steamclient_loader/"
+  echo; echo;
+fi
+
+
+### x64 build
+cleanup
+
+echo // invoking protobuf compiler - 64
+rm -f -r "$protoc_out_dir"
+mkdir -p "$protoc_out_dir"
+"$protoc_exe_64" ./dll/*.proto -I./dll/ --cpp_out="$protoc_out_dir/"
+last_code=$((last_code + $?))
+echo; echo;
+
+if [[ "$BUILD_LIB64" = "1" ]]; then
+  echo // building shared lib libsteam_api.so - 64
+  all_src_files=(
+    "${release_src[@]}"
+    "controller/*.c"
+  )
+  build_for 0 "$build_root_64/libsteam_api.so" all_src_files empty_arr '-DCONTROLLER_SUPPORT' empty_arr
+  last_code=$((last_code + $?))
+fi
+
+if [[ "$BUILD_CLIENT64" = "1" ]]; then
+  echo // building shared lib steamclient.so - 64
+  all_src_files=(
+    "${release_src[@]}"
+    "controller/*.c"
+  )
+  build_for 0 "$build_root_64/steamclient.so" all_src_files empty_arr '-DCONTROLLER_SUPPORT -DSTEAMCLIENT_DLL' empty_arr
+  last_code=$((last_code + $?))
+fi
+
+if [[ "$BUILD_EXP_LIB64" = "1" ]]; then
+  echo // building shared lib experimental libsteam_api.so - 64
+  all_src_files=(
+    "${release_src[@]}"
+    "controller/*.c"
+    "overlay_experimental/*.cpp"
+  )
+  extra_incs=(
+    "$overlay_inc64"
+  )
+  extra_link_libs=(
+    "ingame_overlay"
+    "system" # ingame_overlay dependency
+    "mini_detour" # ingame_overlay dependency
+  )
+  build_for 0 "$build_root_experimental/x64/libsteam_api.so" all_src_files extra_incs '-DCONTROLLER_SUPPORT -DEMU_OVERLAY -DImTextureID=ImU64' extra_link_libs
+  last_code=$((last_code + $?))
+fi
+
+if [[ "$BUILD_EXPT_CLIENT64" = "1" ]]; then
+  echo // building shared lib experimental steamclient.so - 64
+  all_src_files=(
+    "${release_src[@]}"
+    "controller/*.c"
+    "overlay_experimental/*.cpp"
+  )
+  extra_incs=(
+    "$overlay_inc64"
+  )
+  extra_link_libs=(
+    "ingame_overlay"
+    "system" # ingame_overlay dependency
+    "mini_detour" # ingame_overlay dependency
+  )
+  build_for 0 "$build_root_experimental/x64/steamclient.so" all_src_files extra_incs '-DCONTROLLER_SUPPORT -DSTEAMCLIENT_DLL -DEMU_OVERLAY -DImTextureID=ImU64' extra_link_libs
+  last_code=$((last_code + $?))
+fi
+
+if [[ "$BUILD_TOOL_LOBBY64" = "1" ]]; then
+  echo // building executable lobby_connect_x64 - 64
+  all_src_files=(
+    "${release_src[@]}"
+    "$tools_dir/lobby_connect/lobby_connect.cpp"
+  )
+  build_for 1 "$build_root_tools/lobby_connect/lobby_connect_x64" all_src_files empty_arr '-DNO_DISK_WRITES -DLOBBY_CONNECT' empty_arr
+  last_code=$((last_code + $?))
+fi
+
+if [[ "$BUILD_TOOL_FIND_ITFS64" = "1" ]]; then
+  echo // building executable generate_interfaces_file_x64 - 64
+  all_src_files=(
+    "$tools_dir/generate_interfaces/generate_interfaces.cpp"
+  )
+  build_for 1 "$build_root_tools/find_interfaces/generate_interfaces_file_x64" all_src_files empty_arr '' empty_arr
+  last_code=$((last_code + $?))
+fi
+
+if [[ "$BUILD_LIB_NET_SOCKETS_64" = "1" ]]; then
+  echo // building shared lib steamnetworkingsockets64.so - 64
+  all_src_files=(
+    "networking_sockets_lib/steamnetworkingsockets.cpp"
+  )
+  build_for 0 "$build_root_dir/networking_sockets_lib/steamnetworkingsockets64.so" all_src_files empty_arr '' empty_arr
+  last_code=$((last_code + $?))
+fi
+
+
+# cleanup
+cleanup
+
+
+# copy configs + examples
+if [[ $last_code = 0 ]]; then
+  echo "// copying readmes + files examples"
+  mkdir -p "$build_root_dir/"
+  cp -f -r "post_build/steam_settings.EXAMPLE/" "$build_root_dir/"
+  cp -f "post_build/README.release.md" "$build_root_dir/"
+  cp -f "CHANGELOG.md" "$build_root_dir/"
+  if [[ $BUILD_TYPE = 1 ]]; then
+    cp -f "post_build/README.debug.md" "$build_root_dir/"
+  fi
+  if [[ -d "$build_root_tools/find_interfaces" ]]; then
+    mkdir -p "$build_root_tools/find_interfaces/"
+    cp -f "post_build/README.find_interfaces.md" "$build_root_tools/find_interfaces/"
+  fi
+  if [[ -d "$build_root_tools/lobby_connect" ]]; then
+    mkdir -p "$build_root_tools/lobby_connect/"
+    cp -f "post_build/README.lobby_connect.md" "$build_root_tools/lobby_connect/"
+  fi
+else
+  echo "[X] Not copying readmes or files examples due to previous errors" >&2
+fi
+echo; echo;
+
+
+echo;
+if [[ $last_code = 0 ]]; then
+  echo "[GG] no failures"
+else
+  echo "[XX] general failure" >&2
+fi
+
+exit $last_code