--- /dev/null
+++ b/Telegram/cmake/FindBreakpad.cmake
@@ -0,0 +1,20 @@
+
+find_path(BREAKPAD_INCLUDE_DIRS
+    NAMES client/linux/handler/exception_handler.h
+    PATHS
+    ${BREAKPAD_INCLUDE_DIR})
+
+find_library(BREAKPAD_CLIENT_LIBRARY
+    NAMES breakpad_client
+    PATHS
+    ${BREAKPAD_LIBRARY_DIR}
+)
+
+find_package_handle_standard_args(Breakpad DEFAULT_MSG
+    BREAKPAD_CLIENT_LIBRARY BREAKPAD_INCLUDE_DIRS)
+
+add_library(breakpad STATIC IMPORTED)
+add_dependencies(breakpad breakpad_build)
+
+set_property(TARGET breakpad PROPERTY IMPORTED_LOCATION ${BREAKPAD_CLIENT_LIBRARY})
+set_property(TARGET breakpad PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${BREAKPAD_INCLUDE_DIRS})
--- /dev/null
+++ b/Telegram/cmake/TelegramCodegen.cmake
@@ -0,0 +1,65 @@
+
+set(TELEGRAM_GENERATED_SOURCES)
+
+add_custom_command(
+    OUTPUT ${GENERATED_DIR}/scheme.h ${GENERATED_DIR}/scheme.cpp
+    COMMAND python ${TELEGRAM_SOURCES_DIR}/codegen/scheme/codegen_scheme.py -o${GENERATED_DIR} ${TELEGRAM_RESOURCES_DIR}/scheme.tl
+    DEPENDS ${CMAKE_SOURCE_DIR}/Resources/scheme.tl
+    COMMENT "Codegen scheme.tl"
+)
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_DIR}/scheme.h)
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_DIR}/scheme.cpp)
+
+file(GLOB_RECURSE STYLES ${TELEGRAM_RESOURCES_DIR}/*.palette ${TELEGRAM_RESOURCES_DIR}/*.style ${TELEGRAM_SOURCES_DIR}/*.style)
+set(GENERATED_STYLES)
+foreach(STYLE ${STYLES})
+    get_filename_component(STYLE_FILENAME ${STYLE} NAME)
+    get_filename_component(STYLE_NAME ${STYLE} NAME_WE)
+    if (${STYLE} MATCHES \\.palette$)
+        set(THIS_GENERATED_STYLES ${GENERATED_DIR}/styles/palette.h ${GENERATED_DIR}/styles/palette.cpp)
+    else()
+        set(THIS_GENERATED_STYLES ${GENERATED_DIR}/styles/style_${STYLE_NAME}.h ${GENERATED_DIR}/styles/style_${STYLE_NAME}.cpp)
+    endif()
+
+    # style generator does not like '-' in file path, so let's use relative paths...
+    add_custom_command(
+        OUTPUT ${THIS_GENERATED_STYLES}
+        COMMAND ${CMAKE_BINARY_DIR}/codegen_style -IResources -ISourceFiles -o${GENERATED_DIR}/styles ${STYLE}
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+        DEPENDS codegen_style ${STYLE}
+        COMMENT "Codegen style ${STYLE_FILENAME}"
+    )
+    set(GENERATED_STYLES ${GENERATED_STYLES} ${THIS_GENERATED_STYLES})
+endforeach()
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_STYLES})
+
+add_custom_command(
+    OUTPUT ${GENERATED_DIR}/emoji.h ${GENERATED_DIR}/emoji.cpp ${GENERATED_DIR}/emoji_suggestions_data.h ${GENERATED_DIR}/emoji_suggestions_data.cpp
+    COMMAND ${CMAKE_BINARY_DIR}/codegen_emoji ${TELEGRAM_RESOURCES_DIR}/emoji_autocomplete.json -o${GENERATED_DIR}
+    DEPENDS codegen_emoji ${TELEGRAM_RESOURCES_DIR}/emoji_autocomplete.json
+    COMMENT "Codegen emoji"
+)
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_DIR}/emoji.h)
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_DIR}/emoji.cpp)
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_DIR}/emoji_suggestions_data.h)
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_DIR}/emoji_suggestions_data.cpp)
+
+add_custom_command(
+    OUTPUT ${GENERATED_DIR}/lang_auto.h ${GENERATED_DIR}/lang_auto.cpp
+    COMMAND ${CMAKE_BINARY_DIR}/codegen_lang -o${GENERATED_DIR} ${TELEGRAM_RESOURCES_DIR}/langs/lang.strings
+    DEPENDS codegen_lang
+    COMMENT "Codegen lang"
+)
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_DIR}/lang_auto.h)
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_DIR}/lang_auto.cpp)
+
+add_custom_command(
+    OUTPUT ${GENERATED_DIR}/numbers.h ${GENERATED_DIR}/numbers.cpp
+    COMMAND ${CMAKE_BINARY_DIR}/codegen_numbers -o${GENERATED_DIR} ${TELEGRAM_RESOURCES_DIR}/numbers.txt
+    DEPENDS codegen_numbers
+    COMMENT "Codegen numbers"
+)
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_DIR}/numbers.h)
+list(APPEND TELEGRAM_GENERATED_SOURCES ${GENERATED_DIR}/numbers.cpp)
+
+add_custom_target(telegram_codegen DEPENDS ${TELEGRAM_GENERATED_SOURCES})
--- /dev/null
+++ b/Telegram/cmake/TelegramCodegenTools.cmake
@@ -0,0 +1,13 @@
+
+file(GLOB CODEGEN_COMMON_SOURCES
+    ${TELEGRAM_SOURCES_DIR}/codegen/common/*.h ${TELEGRAM_SOURCES_DIR}/codegen/common/*.cpp)
+add_library(codegen_common OBJECT ${CODEGEN_COMMON_SOURCES})
+target_include_directories(codegen_common PUBLIC $<TARGET_PROPERTY:Qt5::Core,INTERFACE_INCLUDE_DIRECTORIES>)
+target_compile_options(codegen_common PUBLIC $<TARGET_PROPERTY:Qt5::Core,INTERFACE_COMPILE_OPTIONS>)
+
+foreach(TOOL emoji lang numbers style)
+    file(GLOB CODEGEN_${TOOL}_SOURCES
+        ${TELEGRAM_SOURCES_DIR}/codegen/${TOOL}/*.h ${TELEGRAM_SOURCES_DIR}/codegen/${TOOL}/*.cpp)
+    add_executable(codegen_${TOOL} ${CODEGEN_${TOOL}_SOURCES} $<TARGET_OBJECTS:codegen_common>)
+    target_link_libraries(codegen_${TOOL} Qt5::Core Qt5::Gui)
+endforeach()
--- a/Telegram/gyp/PrecompiledHeader.cmake
+++ b/Telegram/gyp/PrecompiledHeader.cmake
@@ -123,7 +123,7 @@ function(add_precompiled_header _target _input)
       set(_compiler_FLAGS "@${_pch_cpp_flags_file}")
       add_custom_command(
         OUTPUT "${_output_cxx}"
-        COMMAND "${CMAKE_CXX_COMPILER}" ${_compiler_FLAGS} -x c++-header -o "${_output_cxx}" -c "${_pchfile}"
+        COMMAND "${CMAKE_CXX_COMPILER}" ${_compiler_FLAGS} -std=c++17 -x c++-header -o "${_output_cxx}" -c "${_pchfile}"
         DEPENDS "${_pchfile}" "${_pch_cpp_flags_file}"
         IMPLICIT_DEPENDS CXX "${_pch_header}"
         COMMENT "Precompiling ${_name} for ${_target} (C++)")