diff --git a/.github/workflows/scripts/build-linux-amd64-ssl1.sh b/.github/workflows/scripts/build-linux-amd64-ssl1.sh
index e9d0d73..94e7234 100755
--- a/.github/workflows/scripts/build-linux-amd64-ssl1.sh
+++ b/.github/workflows/scripts/build-linux-amd64-ssl1.sh
@@ -1,25 +1,30 @@
 #!/bin/bash -ex
 # Ubuntu 20.04
 REVISION="${REVISION:-1.0.0.0-SNAPSHOT}"
-HOST_CMAKE_INCLUDES_FILE="$(readlink -e ./.github/workflows/toolchains/cmake-includes-ubuntu2004.cmake)"
 
 # Create missing dirs
 rm -rf implementations/tdlight/td_tools_build implementations/tdlight/build api/target-legacy api/target api/.ci-friendly-pom.xml implementations/tdlight/td/generate/auto natives/src/main/java/it/tdlight/jni natives/build natives/tdjni_bin natives/tdjni_docs
 mkdir -p implementations/tdlight/build  implementations/tdlight/build/td_bin/bin implementations/tdlight/td_tools_build/java/it/tdlight/jni api/src/main/java-legacy/it/tdlight/jni api/src/main/java-sealed/it/tdlight/jni natives/src/main/java/it/tdlight/jni natives/build natives/tdjni_bin natives/tdjni_docs
 
-# Default compiler
+# machine-specific flags
 export CMAKE_C_COMPILER="/usr/bin/clang-10"
 export CMAKE_CXX_COMPILER="/usr/bin/clang++-10"
+export HOST_CMAKE_C_FLAGS="-Wno-psabi --specs=nosys.specs -fdata-sections -ffunction-sections -Wl,--gc-sections"
+export HOST_CMAKE_CXX_FLAGS="${HOST_CMAKE_C_FLAGS} -stdlib=libc++ -fno-exceptions"
+export HOST_CMAKE_EXE_LINKER_FLAGS="-stdlib=libc++ -lc++ -lc++abi"
 
 # Build tdlib tools
 cd implementations/tdlight/td_tools_build
 cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS} ${HOST_CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} ${HOST_CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS} ${HOST_CMAKE_EXE_LINKER_FLAGS}" \
+  \
   -DCMAKE_BUILD_TYPE=Release \
   -DCMAKE_C_FLAGS_RELEASE="" \
   -DCMAKE_CXX_FLAGS_RELEASE="-O0 -DNDEBUG" \
   -DTD_ENABLE_LTO=OFF \
   -DTD_ENABLE_JNI=ON \
-  -DCMAKE_TOOLCHAIN_FILE="${HOST_CMAKE_INCLUDES_FILE}" \
   ..
 cmake --build . --target prepare_cross_compiling "-j$(nproc)"
 cmake --build . --target td_generate_java_api "-j$(nproc)"
@@ -31,6 +36,7 @@ cd ../../../
 
 
 # Optimization flags
+export CMAKE_C_FLAGS="${CMAKE_C_FLAGS}"
 export CMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} -std=c++14 -fno-omit-frame-pointer -ffunction-sections -fdata-sections -fno-exceptions -fno-rtti"
 export CMAKE_SHARED_LINKER_FLAGS="${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL"
 export CMAKE_CXX_FLAGS_MINSIZEREL="${CMAKE_CXX_FLAGS_MINSIZEREL} -flto=thin -Oz"
@@ -40,19 +46,26 @@ cd implementations/tdlight/build
 INSTALL_PREFIX="$(readlink -e ./td_bin/)"
 INSTALL_BINDIR="$(readlink -e ./td_bin/bin)"
 cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS} ${HOST_CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} ${HOST_CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS} ${HOST_CMAKE_EXE_LINKER_FLAGS}" \
+  \
   -DCMAKE_BUILD_TYPE=MinSizeRel \
   -DTD_SKIP_BENCHMARK=ON -DTD_SKIP_TEST=ON -DTD_SKIP_TG_CLI=ON \
   -DTD_ENABLE_LTO=ON \
   -DTD_ENABLE_JNI=ON \
   -DCMAKE_INSTALL_PREFIX:PATH="$INSTALL_PREFIX" \
   -DCMAKE_INSTALL_BINDIR:PATH="$INSTALL_BINDIR" \
-  -DCMAKE_TOOLCHAIN_FILE="${HOST_CMAKE_INCLUDES_FILE}" \
   ..
 cmake --build . --target install --config Release "-j$(nproc)"
 cd ../../../
 
 cd natives/build
 cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS} ${HOST_CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} ${HOST_CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS} ${HOST_CMAKE_EXE_LINKER_FLAGS}" \
+  \
   -DCMAKE_BUILD_TYPE=MinSizeRel \
   -DTD_GENERATED_BINARIES_DIR=../../implementations/tdlight/build/td/generate \
   -DTD_SRC_DIR=../../implementations/tdlight \
@@ -63,7 +76,6 @@ cmake \
   -DJAVA_SRC_DIR="../src/main/java" \
   -DJava_JAVADOC_EXECUTABLE="/bin/true" \
   -DTDNATIVES_CPP_SRC_DIR="../src/main/cpp" \
-  -DCMAKE_TOOLCHAIN_FILE="${HOST_CMAKE_INCLUDES_FILE}" \
   ../src/main/cpp
 cmake --build . --target install --config Release "-j$(nproc)"
 cd ..
diff --git a/.github/workflows/scripts/build-linux-amd64-ssl3.sh b/.github/workflows/scripts/build-linux-amd64-ssl3.sh
index 030e0de..3e6c57f 100755
--- a/.github/workflows/scripts/build-linux-amd64-ssl3.sh
+++ b/.github/workflows/scripts/build-linux-amd64-ssl3.sh
@@ -1,25 +1,30 @@
 #!/bin/bash -ex
 # Ubuntu 22.04
 REVISION="${REVISION:-1.0.0.0-SNAPSHOT}"
-HOST_CMAKE_INCLUDES_FILE="$(readlink -e ./.github/workflows/toolchains/cmake-includes-ubuntu2204.cmake)"
 
 # Create missing dirs
 rm -rf implementations/tdlight/td_tools_build implementations/tdlight/build api/target-legacy api/target api/.ci-friendly-pom.xml implementations/tdlight/td/generate/auto natives/src/main/java/it/tdlight/jni natives/build natives/tdjni_bin natives/tdjni_docs
 mkdir -p implementations/tdlight/build  implementations/tdlight/build/td_bin/bin implementations/tdlight/td_tools_build/java/it/tdlight/jni api/src/main/java-legacy/it/tdlight/jni api/src/main/java-sealed/it/tdlight/jni natives/src/main/java/it/tdlight/jni natives/build natives/tdjni_bin natives/tdjni_docs
 
-# Default compiler
+# machine-specific flags
 export CMAKE_C_COMPILER="/usr/bin/clang-14"
 export CMAKE_CXX_COMPILER="/usr/bin/clang++-14"
+export HOST_CMAKE_C_FLAGS="-Wno-psabi --specs=nosys.specs -fdata-sections -ffunction-sections -Wl,--gc-sections"
+export HOST_CMAKE_CXX_FLAGS="${HOST_CMAKE_C_FLAGS} -stdlib=libc++ -fno-exceptions"
+export HOST_CMAKE_EXE_LINKER_FLAGS="-stdlib=libc++ -lc++ -lc++abi"
 
 # Build tdlib tools
 cd implementations/tdlight/td_tools_build
 cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS} ${HOST_CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} ${HOST_CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS} ${HOST_CMAKE_EXE_LINKER_FLAGS}" \
+  \
   -DCMAKE_BUILD_TYPE=Release \
   -DCMAKE_C_FLAGS_RELEASE="" \
   -DCMAKE_CXX_FLAGS_RELEASE="-O0 -DNDEBUG" \
   -DTD_ENABLE_LTO=OFF \
   -DTD_ENABLE_JNI=ON \
-  -DCMAKE_TOOLCHAIN_FILE="${HOST_CMAKE_INCLUDES_FILE}" \
   ..
 cmake --build . --target prepare_cross_compiling "-j$(nproc)"
 cmake --build . --target td_generate_java_api "-j$(nproc)"
@@ -31,6 +36,7 @@ cd ../../../
 
 
 # Optimization flags
+export CMAKE_C_FLAGS="${CMAKE_C_FLAGS}"
 export CMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} -std=c++14 -fno-omit-frame-pointer -ffunction-sections -fdata-sections -fno-exceptions -fno-rtti"
 export CMAKE_SHARED_LINKER_FLAGS="${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL"
 export CMAKE_CXX_FLAGS_MINSIZEREL="${CMAKE_CXX_FLAGS_MINSIZEREL} -flto=thin -Oz"
@@ -40,19 +46,26 @@ cd implementations/tdlight/build
 INSTALL_PREFIX="$(readlink -e ./td_bin/)"
 INSTALL_BINDIR="$(readlink -e ./td_bin/bin)"
 cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS} ${HOST_CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} ${HOST_CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS} ${HOST_CMAKE_EXE_LINKER_FLAGS}" \
+  \
   -DCMAKE_BUILD_TYPE=MinSizeRel \
   -DTD_SKIP_BENCHMARK=ON -DTD_SKIP_TEST=ON -DTD_SKIP_TG_CLI=ON \
   -DTD_ENABLE_LTO=ON \
   -DTD_ENABLE_JNI=ON \
   -DCMAKE_INSTALL_PREFIX:PATH="$INSTALL_PREFIX" \
   -DCMAKE_INSTALL_BINDIR:PATH="$INSTALL_BINDIR" \
-  -DCMAKE_TOOLCHAIN_FILE="${HOST_CMAKE_INCLUDES_FILE}" \
   ..
 cmake --build . --target install --config Release "-j$(nproc)"
 cd ../../../
 
 cd natives/build
 cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS} ${HOST_CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} ${HOST_CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS} ${HOST_CMAKE_EXE_LINKER_FLAGS}" \
+  \
   -DCMAKE_BUILD_TYPE=MinSizeRel \
   -DTD_GENERATED_BINARIES_DIR=../../implementations/tdlight/build/td/generate \
   -DTD_SRC_DIR=../../implementations/tdlight \
@@ -63,7 +76,6 @@ cmake \
   -DJAVA_SRC_DIR="../src/main/java" \
   -DJava_JAVADOC_EXECUTABLE="/bin/true" \
   -DTDNATIVES_CPP_SRC_DIR="../src/main/cpp" \
-  -DCMAKE_TOOLCHAIN_FILE="${HOST_CMAKE_INCLUDES_FILE}" \
   ../src/main/cpp
 cmake --build . --target install --config Release "-j$(nproc)"
 cd ..
diff --git a/.github/workflows/scripts/build-linux-arm64-ssl1.sh b/.github/workflows/scripts/build-linux-arm64-ssl1.sh
index 96801b0..3cd466c 100755
--- a/.github/workflows/scripts/build-linux-arm64-ssl1.sh
+++ b/.github/workflows/scripts/build-linux-arm64-ssl1.sh
@@ -1,26 +1,31 @@
 #!/bin/bash -ex
 # Ubuntu 20.04
 REVISION="${REVISION:-1.0.0.0-SNAPSHOT}"
-HOST_CMAKE_INCLUDES_FILE="$(readlink -e ./.github/workflows/toolchains/cmake-includes-ubuntu2004.cmake)"
 TOOLCHAIN_FILE="$(readlink -e ./.github/workflows/toolchains/toolchain-arm64.cmake)"
 
 # Create missing dirs
 rm -rf implementations/tdlight/td_tools_build implementations/tdlight/build api/target-legacy api/target api/.ci-friendly-pom.xml implementations/tdlight/td/generate/auto natives/src/main/java/it/tdlight/jni natives/build natives/tdjni_bin natives/tdjni_docs
 mkdir -p implementations/tdlight/build  implementations/tdlight/build/td_bin/bin implementations/tdlight/td_tools_build/java/it/tdlight/jni api/src/main/java-legacy/it/tdlight/jni api/src/main/java-sealed/it/tdlight/jni natives/src/main/java/it/tdlight/jni natives/build natives/tdjni_bin natives/tdjni_docs
 
-# Default compiler
+# machine-specific flags
 export CMAKE_C_COMPILER="/usr/bin/clang-10"
 export CMAKE_CXX_COMPILER="/usr/bin/clang++-10"
+export HOST_CMAKE_C_FLAGS="-Wno-psabi --specs=nosys.specs -fdata-sections -ffunction-sections -Wl,--gc-sections"
+export HOST_CMAKE_CXX_FLAGS="${HOST_CMAKE_C_FLAGS} -stdlib=libc++ -fno-exceptions"
+export HOST_CMAKE_EXE_LINKER_FLAGS="-stdlib=libc++ -lc++ -lc++abi"
 
 # Build tdlib tools
 cd implementations/tdlight/td_tools_build
 cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS} ${HOST_CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} ${HOST_CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS} ${HOST_CMAKE_EXE_LINKER_FLAGS}" \
+  \
   -DCMAKE_BUILD_TYPE=Release \
   -DCMAKE_C_FLAGS_RELEASE="" \
   -DCMAKE_CXX_FLAGS_RELEASE="-O0 -DNDEBUG" \
   -DTD_ENABLE_LTO=OFF \
   -DTD_ENABLE_JNI=ON \
-  -DCMAKE_TOOLCHAIN_FILE="${HOST_CMAKE_INCLUDES_FILE}" \
   ..
 cmake --build . --target prepare_cross_compiling "-j$(nproc)"
 cmake --build . --target td_generate_java_api "-j$(nproc)"
@@ -31,6 +36,7 @@ cd ../../../
 
 
 # Optimization flags
+export CMAKE_C_FLAGS="${CMAKE_C_FLAGS}"
 export CMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} -std=c++14 -fno-omit-frame-pointer -ffunction-sections -fdata-sections -fno-exceptions -fno-rtti"
 export CMAKE_SHARED_LINKER_FLAGS="${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL"
 export CMAKE_CXX_FLAGS_MINSIZEREL="${CMAKE_CXX_FLAGS_MINSIZEREL} -flto=thin -Oz"
diff --git a/.github/workflows/toolchains/cmake-includes-ubuntu2004.cmake b/.github/workflows/toolchains/cmake-includes-ubuntu2004.cmake
deleted file mode 100644
index 5dc718d..0000000
--- a/.github/workflows/toolchains/cmake-includes-ubuntu2004.cmake
+++ /dev/null
@@ -1,20 +0,0 @@
-SET(CMAKE_SYSTEM_NAME Linux)
-
-set(CMAKE_C_COMPILER "/usr/bin/clang-10")
-set(CMAKE_CXX_COMPILER "/usr/bin/clang++-10")
-set(CMAKE_AR /usr/bin/llvm-ar-10)
-
-# Set various compiler flags
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-psabi --specs=nosys.specs -fdata-sections -ffunction-sections -Wl,--gc-sections")
-set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_CXX_FLAGS} -stdlib=libc++ -fno-exceptions")
-set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -lc++ -lc++abi")
-
-# Use LLD on linux
-add_link_options("-fuse-ld=lld")
-
-# ccache
-find_program(CCACHE_FOUND ccache)
-if(CCACHE_FOUND)
-    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
-    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache) # Less useful to do it for linking, see edit2
-endif(CCACHE_FOUND)
diff --git a/.github/workflows/toolchains/cmake-includes-ubuntu2204.cmake b/.github/workflows/toolchains/cmake-includes-ubuntu2204.cmake
deleted file mode 100644
index 24d25ba..0000000
--- a/.github/workflows/toolchains/cmake-includes-ubuntu2204.cmake
+++ /dev/null
@@ -1,20 +0,0 @@
-SET(CMAKE_SYSTEM_NAME Linux)
-
-set(CMAKE_C_COMPILER "/usr/bin/clang-14")
-set(CMAKE_CXX_COMPILER "/usr/bin/clang++-14")
-set(CMAKE_AR /usr/bin/llvm-ar-14)
-
-# Set various compiler flags
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-psabi --specs=nosys.specs -fdata-sections -ffunction-sections -Wl,--gc-sections")
-set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_CXX_FLAGS} -stdlib=libc++ -fno-exceptions")
-set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -lc++ -lc++abi")
-
-# Use LLD on linux
-add_link_options("-fuse-ld=lld")
-
-# ccache
-find_program(CCACHE_FOUND ccache)
-if(CCACHE_FOUND)
-    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
-    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache) # Less useful to do it for linking, see edit2
-endif(CCACHE_FOUND)