diff --git a/build_linux.sh b/build_linux.sh
new file mode 100644
index 00000000..3b36c888
--- /dev/null
+++ b/build_linux.sh
@@ -0,0 +1,434 @@
+#!/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"
+  "scripts/find_interfaces.sh"
+  "sdk_includes/isteamclient.h"
+  "generate_interfaces_file.cpp"
+)
+
+for emu_file in "${required_files[@]}"; do
+  if [ ! -f "$emu_file" ]; then
+    echo "[X] Invalid emu directory, change directory to emu's src dir" >&2
+    exit 1
+  fi
+done
+
+BUILD_LIB32=1
+BUILD_LIB64=1
+
+BUILD_CLIENT32=1
+BUILD_CLIENT64=1
+BUILD_TOOL_CLIENT_LDR=1
+
+BUILD_TOOL_FIND_ITFS=1
+BUILD_TOOL_LOBBY32=1
+BUILD_TOOL_LOBBY64=1
+
+BUILD_LOW_PERF=0
+
+# 0 = release, 1 = debug, otherwise error
+BUILD_TYPE=-1
+
+# < 0: deduce, > 1: force
+PARALLEL_THREADS_OVERRIDE=-1
+
+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" = "-lib-32" ]]; then
+    BUILD_LIB32=0
+  elif [[ "$var" = "-lib-64" ]]; then
+    BUILD_LIB64=0
+  elif [[ "$var" = "-client-32" ]]; then
+    BUILD_CLIENT32=0
+  elif [[ "$var" = "-client-64" ]]; then
+    BUILD_CLIENT64=0
+  elif [[ "$var" = "-tool-clientldr" ]]; then
+    BUILD_TOOL_CLIENT_LDR=0
+  elif [[ "$var" = "-tool-itf" ]]; then
+    BUILD_TOOL_FIND_ITFS=0
+  elif [[ "$var" = "-tool-lobby-32" ]]; then
+    BUILD_TOOL_LOBBY32=0
+  elif [[ "$var" = "-tool-lobby-64" ]]; then
+    BUILD_TOOL_LOBBY64=0
+  elif [[ "$var" = "+lowperf" ]]; then
+    BUILD_LOW_PERF=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"
+[[ $build_threads -lt 2 ]] && build_threads=2
+
+optimize_level=""
+dbg_level=""
+dbg_defs=""
+linker_strip_dbg_symbols=''
+build_folder=""
+if [[ "$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 [[ "$BUILD_TYPE" = "1" ]]; then
+  optimize_level="-Og"
+  dbg_level="-g3"
+  dbg_defs=""
+  linker_strip_dbg_symbols=""
+  build_folder="debug"
+else
+  echo "[X] You must specify any of: [release debug]" >&2
+  exit 1
+fi
+
+additional_compiler_args=''
+if [[ "$BUILD_LOW_PERF" = "1" ]]; then
+  echo "[?] Adding low perf flags"
+  # https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html#index-mmmx
+  instr_set_to_disable=(
+    'popcnt'
+    
+    'sse4'
+    'sse4a'
+    'sse4.1'
+    'sse4.2'
+
+    'avx'
+    'avx2'
+    'avx512f'
+    'avx512pf'
+    'avx512er'
+    'avx512cd'
+    'avx512vl'
+    'avx512bw'
+    'avx512dq'
+    'avx512ifma'
+    'avx512vbmi'
+
+    'avx512vbmi2'
+    'avx512bf16'
+    'avx512fp16'
+    'avx512bitalg'
+    'avx5124vnniw'
+    'avx512vpopcntdq'
+    'avx512vp2intersect'
+    'avx5124fmaps'
+    'avx512vnni'
+
+    'avxifma'
+    'avxvnniint8'
+    'avxneconvert'
+    'avxvnni'
+    'avxvnniint16'
+
+    'avx10.1'
+    'avx10.1-256'
+    'avx10.1-512'
+  )
+  additional_compiler_args="$additional_compiler_args ${instr_set_to_disable/#/-mno-}"
+  
+  build_folder="$build_folder-low_perf"
+fi
+
+
+# common stuff
+deps_dir="build-linux-deps"
+build_root_dir="build-linux/$build_folder"
+build_temp_dir="build-linux-temp"
+third_party_dir="third-party"
+build_root_32="$build_root_dir/x32"
+build_root_64="$build_root_dir/x64"
+build_root_tools="$build_root_dir/tools"
+
+# https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html
+common_compiler_args="$additional_compiler_args -std=c++17 -fvisibility=hidden -fexceptions -fno-jump-tables"
+
+ssq_inc="$deps_dir/ssq/include"
+ssq_lib32="$deps_dir/ssq/build32"
+ssq_lib64="$deps_dir/ssq/build64"
+
+curl_inc32="$deps_dir/curl/install32/include"
+curl_inc64="$deps_dir/curl/install64/include"
+curl_lib32="$deps_dir/curl/install32/lib"
+curl_lib64="$deps_dir/curl/install64/lib"
+
+protob_inc32="$deps_dir/protobuf/install32/include"
+protob_inc64="$deps_dir/protobuf/install64/include"
+protob_lib32="$deps_dir/protobuf/install32/lib"
+protob_lib64="$deps_dir/protobuf/install64/lib"
+
+zlib_inc32="$deps_dir/zlib/install32/include"
+zlib_inc64="$deps_dir/zlib/install64/include"
+zlib_lib32="$deps_dir/zlib/install32/lib"
+zlib_lib64="$deps_dir/zlib/install64/lib"
+
+release_incs_both=(
+  "$ssq_inc"
+)
+release_incs32=(
+  "${release_incs_both[@]}"
+  "$curl_inc32"
+  "$protob_inc32"
+  "$zlib_inc32"
+)
+release_incs64=(
+  "${release_incs_both[@]}"
+  "$curl_inc64"
+  "$protob_inc64"
+  "$zlib_inc64"
+)
+
+release_libs_dir32=(
+  "$ssq_lib32"
+  "$curl_lib32"
+  "$protob_lib32"
+  "$zlib_lib32"
+)
+release_libs_dir64=(
+  "$ssq_lib64"
+  "$curl_lib64"
+  "$protob_lib64"
+  "$zlib_lib64"
+)
+
+release_ignore_warn="-Wno-return-type -Wno-switch -Wno-int-to-void-pointer-cast -Wno-null-conversion"
+common_defs="-DGNUC -DCURL_STATICLIB"
+release_defs="$dbg_defs $common_defs"
+release_src=(
+  "dll/*.cpp"
+  "dll/*.cc"
+)
+# if it's called libMyLib.a, then only type "MyLib"
+# these will be statically linked, make sure to build a PIC static lib
+# each will be prefixed with -l, ex: -lpthread
+release_libs=(
+  "ssq"
+  "curl"
+  "protobuf-lite"
+  "z" # libz library
+  "pthread"
+  "dl"
+)
+
+protoc_exe_32="$deps_dir/protobuf/install32/bin/protoc"
+protoc_exe_64="$deps_dir/protobuf/install64/bin/protoc"
+
+parallel_exe="$third_party_dir/rush-v0.5.4-linux/rush"
+
+[ ! -d "$deps_dir" ] && {
+  echo "[X] Dependencies dir \"$deps_dir\" was not found" >&2;
+  exit 1;
+}
+
+[ ! -f "$protoc_exe_32" ] && {
+  echo "[X] protobuff compiler wasn't found - 32" >&2;
+  exit 1;
+}
+
+[ ! -f "$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 $build_threads parallel jobs"
+
+### create folders + copy common scripts
+echo // creating dirs + copying tools
+rm -f -r "$build_root_dir"
+mkdir -p "$build_root_32"
+mkdir -p "$build_root_64"
+mkdir -p "$build_root_tools"
+
+[[ "$BUILD_TOOL_FIND_ITFS" = "1" ]] && cp -f scripts/find_interfaces.sh "$build_root_tools/"
+[[ "$BUILD_TOOL_CLIENT_LDR" = "1" ]] && cp -f scripts/steamclient_loader.sh "$build_root_tools/"
+
+echo; echo 
+
+
+function build_for () {
+
+  local is_32_build=$( [[ "$1" != 0 ]] && { echo 1; } || { echo 0; }  )
+  local is_exe=$( [[ "$2" != 0 ]] && { echo 1; } || { echo 0; }  )
+  local out_filepath="${3:?'missing filepath'}"
+  local extra_defs="$4"
+  local -n extra_src=$5
+
+  # https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
+  local cpiler_m32=''
+  [[ $is_32_build = 1 ]] && cpiler_m32='-m32'
+
+  # 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 '$tmp_work_dir/'"
+  rm -f -r -d "$tmp_work_dir"
+  mkdir -p "$tmp_work_dir" || {
+    echo [X] "Failed to create compilation directory" >&2;
+    exit 1;
+  }
+  
+  local build_cmds=()
+  local -A objs_dirs=()
+  for src_file in $( echo "${release_src[@]}" "${extra_src[@]}" ); do
+    [[ -f "$src_file" ]] || continue
+    
+    # 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
+
+  local target_incs=()
+  local target_libs_dirs=()
+  if [[ $is_32_build = 1 ]]; then
+    target_incs=("${release_incs32[@]}")
+    target_libs_dirs=("${release_libs_dir32[@]}")
+  else
+    target_incs=("${release_incs64[@]}")
+    target_libs_dirs=("${release_libs_dir64[@]}")
+  fi
+  # wrap each -ImyIncDir with single quotes -> '-ImyIncDir'
+  target_incs=("${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 $cpiler_m32 $optimize_level $dbg_level $release_ignore_warn $release_defs $extra_defs ${target_incs[@]} '{1}' '-o{2}'"
+  printf '%s\n' "${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 ]] || 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;
+  }
+  # 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
+  clang++ $common_compiler_args $cpiler_pic_pie $cpiler_m32 $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 "${release_libs[@]/#/-l}" -Wl,-Bdynamic -Wl,--no-whole-archive -Wl,--exclude-libs,ALL
+  exit_code=$?
+  echo "  -- Exit code = $exit_code"
+  echo ; echo ;
+  sleep 1
+  return $exit_code
+
+}
+
+
+### x32 build
+rm -f dll/net.pb.cc
+rm -f dll/net.pb.h
+echo // invoking protobuf compiler - 32
+"$protoc_exe_32" -I./dll/ --cpp_out=./dll/ ./dll/*.proto
+
+if [[ "$BUILD_LIB32" = "1" ]]; then
+  echo // building shared lib libsteam_api.so - 32
+
+  extra_src_files=("controller/*.c")
+  build_for 1 0 "$build_root_32/libsteam_api.so" '-DCONTROLLER_SUPPORT' extra_src_files 
+fi
+
+if [[ "$BUILD_CLIENT32" = "1" ]]; then
+  echo // building shared lib steamclient.so - 32
+  
+  extra_src_files=("controller/*.c")
+  build_for 1 0 "$build_root_32/steamclient.so" '-DCONTROLLER_SUPPORT -DSTEAMCLIENT_DLL' extra_src_files 
+fi
+
+if [[ "$BUILD_TOOL_LOBBY32" = "1" ]]; then
+  echo // building executable lobby_connect_x32 - 32
+  
+  extra_src_files=("lobby_connect.cpp")
+  build_for 1 1 "$build_root_tools/lobby_connect_x32" '-DNO_DISK_WRITES -DLOBBY_CONNECT' extra_src_files 
+fi
+
+echo; echo 
+
+
+### x64 build
+rm -f dll/net.pb.cc
+rm -f dll/net.pb.h
+rm -f -r -d "$build_temp_dir"
+mkdir -p "$build_temp_dir"
+echo // invoking protobuf compiler - 64
+"$protoc_exe_64" -I./dll/ --cpp_out=./dll/ ./dll/*.proto
+
+if [[ "$BUILD_LIB64" = "1" ]]; then
+  echo // building shared lib libsteam_api.so - 64
+  
+  extra_src_files=("controller/*.c")
+  build_for 0 0 "$build_root_64/libsteam_api.so" '-DCONTROLLER_SUPPORT' extra_src_files 
+fi
+
+if [[ "$BUILD_CLIENT64" = "1" ]]; then
+  echo // building shared lib steamclient.so - 64
+  
+  extra_src_files=("controller/*.c")
+  build_for 0 0 "$build_root_64/steamclient.so" '-DCONTROLLER_SUPPORT -DSTEAMCLIENT_DLL' extra_src_files 
+fi
+
+if [[ "$BUILD_TOOL_LOBBY64" = "1" ]]; then
+  echo // building executable lobby_connect_x64 - 64
+  
+  extra_src_files=("lobby_connect.cpp")
+  build_for 0 1 "$build_root_tools/lobby_connect_x64" '-DNO_DISK_WRITES -DLOBBY_CONNECT' extra_src_files 
+fi
+
+echo; echo 
+
+
+# cleanup
+rm -f dll/net.pb.cc
+rm -f dll/net.pb.h
+rm -f -r -d "$build_temp_dir"
+
diff --git a/build_linux_deps.sh b/build_linux_deps.sh
new file mode 100644
index 00000000..e017aa82
--- /dev/null
+++ b/build_linux_deps.sh
@@ -0,0 +1,260 @@
+#!/usr/bin/env bash
+
+
+############## helpful commands ##############
+### to read header of .elf file
+#readelf -h install32/lib/libcurl.a
+
+### list all options availble in a CMAKE project, everything prefixed with CMAKE_ are specific to CMAKE system
+#cmake -LAH
+
+### list all exports in a shared lib
+# https://linux.die.net/man/1/nm
+#nm -D --defined-only libsteam.so | grep " T "
+
+
+if [ "$(id -u)" -ne 0 ]; then
+  echo "Please run as root" >&2
+  exit 1
+fi
+
+# common stuff
+script_dir=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+deps_dir="$script_dir/build-linux-deps"
+third_party_dir="$script_dir/third-party"
+mycmake="$third_party_dir/cmake-3.27.7-linux-x86_64/bin/cmake"
+
+[[ -f "$mycmake" ]] || {
+  echo "[X] Couldn't find cmake" >&2
+  exit 1
+}
+
+# < 0: deduce, > 1: force
+PARALLEL_THREADS_OVERRIDE=-1
+VERBOSITY=''
+
+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" = "-verbose" ]]; then
+    VERBOSITY='-v'
+  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"
+[[ $build_threads -lt 2 ]] && build_threads=2
+
+echo ===========================
+echo Tools will be installed in: "$deps_dir"
+echo Building with $build_threads threads
+echo ===========================
+echo // Recreating dir...
+rm -r -d -f "$deps_dir"
+sleep 1
+mkdir -p "$deps_dir" || {
+  echo "Couldn't create dir \"$deps_dir\"" >&2;
+  exit 1;
+}
+
+echo; echo 
+
+
+############## required packages ##############
+echo // installing required packages
+apt update -y
+apt install coreutils -y # echo, printf, etc...
+apt install build-essential -y
+apt install gcc-multilib g++-multilib -y # needed for 32-bit builds
+apt install clang -y
+apt install binutils -y # (optional) contains the tool 'readelf' mainly, and other usefull binary stuff
+apt install tar -y # we need to extract packages
+#apt install cmake git wget unzip -y
+
+echo ; echo
+
+
+############## copy CMAKE toolchains to the home directory
+echo // creating CMAKE toolchains in "$deps_dir"
+cat > "$deps_dir/32-bit-toolchain.cmake" << EOL
+# cmake -G "xx" ... -DCMAKE_TOOLCHAIN_FILE=/.../64bit.toolchain
+# https://github.com/google/boringssl/blob/master/util/32-bit-toolchain.cmake
+# https://cmake.org/cmake/help/book/mastering-cmake/chapter/Cross%20Compiling%20With%20CMake.html#toolchain-files
+# https://cmake.org/cmake/help/book/mastering-cmake/chapter/Cross%20Compiling%20With%20CMake.html#cross-compiling-for-a-microcontroller
+# the name of the target operating system
+set(CMAKE_SYSTEM_NAME Linux)
+
+# which compilers to use for C and C++
+set(CMAKE_C_COMPILER   clang)
+set(CMAKE_CXX_COMPILER clang++)
+
+set(CMAKE_C_FLAGS_INIT   "-m32")
+set(CMAKE_CXX_FLAGS_INIT "-m32")
+
+EOL
+
+cat > "$deps_dir/64-bit-toolchain.cmake" << EOL
+# cmake -G "xx" ... -DCMAKE_TOOLCHAIN_FILE=/.../64bit.toolchain
+# https://github.com/google/boringssl/blob/master/util/32-bit-toolchain.cmake
+# https://cmake.org/cmake/help/book/mastering-cmake/chapter/Cross%20Compiling%20With%20CMake.html#toolchain-files
+# https://cmake.org/cmake/help/book/mastering-cmake/chapter/Cross%20Compiling%20With%20CMake.html#cross-compiling-for-a-microcontroller
+# the name of the target operating system
+set(CMAKE_SYSTEM_NAME Linux)
+
+# which compilers to use for C and C++
+set(CMAKE_C_COMPILER   clang)
+set(CMAKE_CXX_COMPILER clang++)
+
+EOL
+
+echo ; echo
+
+
+############## common CMAKE args ##############
+# https://cmake.org/cmake/help/latest/variable/CMAKE_LANG_FLAGS_CONFIG.html#variable:CMAKE_%3CLANG%3E_FLAGS_%3CCONFIG%3E
+cmake_common_args='-G "Unix Makefiles" -S .'
+cmake_common_defs="-DCMAKE_BUILD_TYPE=Release -DCMAKE_C_STANDARD_REQUIRED=ON -DCMAKE_CXX_STANDARD_REQUIRED=ON -DCMAKE_C_STANDARD=17 -DCMAKE_CXX_STANDARD=17 -DCMAKE_POSITION_INDEPENDENT_CODE=True -DBUILD_SHARED_LIBS=OFF"
+cmake_gen32="rm -f -r build32/ && rm -f -r install32/ && mkdir build32/ && mkdir install32/ && '$mycmake' $cmake_common_args -B build32 -DCMAKE_TOOLCHAIN_FILE=$deps_dir/32-bit-toolchain.cmake -DCMAKE_INSTALL_PREFIX=install32 $cmake_common_defs"
+cmake_gen64="rm -f -r build64/ && rm -f -r install64/ && mkdir build64/ && mkdir install64/ && '$mycmake' $cmake_common_args -B build64 -DCMAKE_TOOLCHAIN_FILE=$deps_dir/64-bit-toolchain.cmake -DCMAKE_INSTALL_PREFIX=install64 $cmake_common_defs"
+cmake_build32="'$mycmake' --build build32 --config Release --parallel $build_threads $VERBOSITY"
+cmake_build64="'$mycmake' --build build64 --config Release --parallel $build_threads $VERBOSITY"
+
+
+chmod 777 "$mycmake"
+
+
+############## build ssq ##############
+echo // building ssq lib
+tar -zxf "$third_party_dir/v3.0.0.tar.gz" -C "$deps_dir"
+
+for i in {1..10}; do
+  mv "$deps_dir/libssq-3.0.0" "$deps_dir/ssq" && { break; } || { sleep 1; }
+done
+
+chmod -R 777 "$deps_dir/ssq"
+pushd "$deps_dir/ssq"
+
+eval $cmake_gen32
+eval $cmake_build32
+
+eval $cmake_gen64
+eval $cmake_build64
+
+popd
+echo ; echo
+
+
+############## build zlib ##############
+echo // building zlib lib
+tar -zxf "$third_party_dir/zlib-1.3.tar.gz" -C "$deps_dir"
+
+for i in {1..10}; do
+  mv "$deps_dir/zlib-1.3" "$deps_dir/zlib" && { break; } || { sleep 1; }
+done
+
+chmod -R 777 "$deps_dir/zlib"
+pushd "$deps_dir/zlib"
+
+eval $cmake_gen32
+eval $cmake_build32 --target install
+
+eval $cmake_gen64
+eval $cmake_build64 --target install
+
+popd
+echo ; echo
+
+
+############## zlib is painful ##############
+# lib curl uses the default search paths, even when ZLIB_INCLUDE_DIR and ZLIB_LIBRARY_RELEASE are defined
+# check thir CMakeLists.txt line #573
+#     optional_dependency(ZLIB)
+#     if(ZLIB_FOUND)
+#       set(HAVE_LIBZ ON)
+#       set(USE_ZLIB ON)
+#     
+#       # Depend on ZLIB via imported targets if supported by the running
+#       # version of CMake.  This allows our dependents to get our dependencies
+#       # transitively.
+#       if(NOT CMAKE_VERSION VERSION_LESS 3.4)
+#         list(APPEND CURL_LIBS ZLIB::ZLIB)    <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< evil
+#       else()
+#         list(APPEND CURL_LIBS ${ZLIB_LIBRARIES})
+#         include_directories(${ZLIB_INCLUDE_DIRS})
+#       endif()
+#       list(APPEND CMAKE_REQUIRED_INCLUDES ${ZLIB_INCLUDE_DIRS})
+#     endif()
+# we have to set the ZLIB_ROOT so that it is prepended to the search list
+# we have to set ZLIB_LIBRARY NOT ZLIB_LIBRARY_RELEASE in order to override the FindZlib module
+# we also should set ZLIB_USE_STATIC_LIBS since we want to force static builds
+# https://github.com/Kitware/CMake/blob/a6853135f569f0b040a34374a15a8361bb73901b/Modules/FindZLIB.cmake#L98C4-L98C13
+wild_zlib_32=(
+  "-DZLIB_USE_STATIC_LIBS=ON"
+  "-DZLIB_ROOT='$deps_dir/zlib/install32'"
+  "-DZLIB_INCLUDE_DIR='$deps_dir/zlib/install32/include'"
+  "-DZLIB_LIBRARY='$deps_dir/zlib/install32/lib/libz.a'"
+)
+wild_zlib_64=(
+  "-DZLIB_USE_STATIC_LIBS=ON"
+  "-DZLIB_ROOT='$deps_dir/zlib/install64'"
+  "-DZLIB_INCLUDE_DIR='$deps_dir/zlib/install64/include'"
+  "-DZLIB_LIBRARY='$deps_dir/zlib/install64/lib/libz.a'"
+)
+
+
+############## build curl ##############
+echo // building curl lib
+tar -zxf "$third_party_dir/curl-8.4.0.tar.gz" -C "$deps_dir"
+
+for i in {1..10}; do
+  mv "$deps_dir/curl-8.4.0" "$deps_dir/curl" && { break; } || { sleep 1; }
+done
+
+chmod -R 777 "$deps_dir/curl"
+pushd "$deps_dir/curl"
+
+curl_common_defs="-DBUILD_CURL_EXE=OFF -DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_CURL=OFF -DBUILD_STATIC_LIBS=ON -DCURL_USE_OPENSSL=OFF -DCURL_ZLIB=ON"
+
+eval $cmake_gen32 $curl_common_defs "${wild_zlib_32[@]}" -DCMAKE_SHARED_LINKER_FLAGS_INIT="'$deps_dir/zlib/install32/lib/libz.a'" -DCMAKE_MODULE_LINKER_FLAGS_INIT="'$deps_dir/zlib/install32/lib/libz.a'" -DCMAKE_EXE_LINKER_FLAGS_INIT="'$deps_dir/zlib/install32/lib/libz.a'"
+eval $cmake_build32 --target install
+
+eval $cmake_gen64 $curl_common_defs "${wild_zlib_64[@]}" -DCMAKE_SHARED_LINKER_FLAGS_INIT="'$deps_dir/zlib/install64/lib/libz.a'" -DCMAKE_MODULE_LINKER_FLAGS_INIT="'$deps_dir/zlib/install64/lib/libz.a'" -DCMAKE_EXE_LINKER_FLAGS_INIT="'$deps_dir/zlib/install64/lib/libz.a'"
+eval $cmake_build64 --target install
+
+popd
+echo ; echo
+
+
+############## build protobuf ##############
+echo // building protobuf lib
+tar -zxf "$third_party_dir/v21.12.tar.gz" -C "$deps_dir"
+
+for i in {1..10}; do
+  mv "$deps_dir/protobuf-21.12" "$deps_dir/protobuf" && { break; } || { sleep 1; }
+done
+
+chmod -R 777 "$deps_dir/protobuf"
+pushd "$deps_dir/protobuf"
+
+proto_common_defs="-Dprotobuf_BUILD_TESTS=OFF -Dprotobuf_BUILD_SHARED_LIBS=OFF -Dprotobuf_WITH_ZLIB=ON"
+
+eval $cmake_gen32 $proto_common_defs "${wild_zlib_32[@]}" -DCMAKE_SHARED_LINKER_FLAGS_INIT="'$deps_dir/zlib/install32/lib/libz.a'" -DCMAKE_MODULE_LINKER_FLAGS_INIT="'$deps_dir/zlib/install32/lib/libz.a'" -DCMAKE_EXE_LINKER_FLAGS_INIT="'$deps_dir/zlib/install32/lib/libz.a'"
+eval $cmake_build32 --target install
+
+eval $cmake_gen64 $proto_common_defs "${wild_zlib_64[@]}" -DCMAKE_SHARED_LINKER_FLAGS_INIT="'$deps_dir/zlib/install64/lib/libz.a'" -DCMAKE_MODULE_LINKER_FLAGS_INIT="'$deps_dir/zlib/install64/lib/libz.a'" -DCMAKE_EXE_LINKER_FLAGS_INIT="'$deps_dir/zlib/install64/lib/libz.a'"
+eval $cmake_build64 --target install
+
+popd
+echo ; echo