diff --git a/toolchains/linux-mingw-w64-x86_64.cmake b/toolchains/linux-mingw-w64-x86_64.cmake
new file mode 100644
index 0000000..a61457a
--- /dev/null
+++ b/toolchains/linux-mingw-w64-x86_64.cmake
@@ -0,0 +1,22 @@
+# Usage:
+#   *) Install cross-compiler: `sudo apt install mingw-w64`
+#   *) cmake -DCMAKE_TOOLCHAIN_FILE=macos-mingw-w64-x86_64.cmake -B build -S .
+#   *) make -C build
+
+set(CMAKE_SYSTEM_NAME Windows)
+set(TOOLCHAIN_PREFIX x86_64-w64-mingw32)
+
+# Cross-compilers to use for C and C++
+set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
+set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
+
+# Target environment on the build host system (with Homebrew)
+set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})
+
+# Search for programs in the build host directories (modifying default behavior of FIND_XXX())
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static -Os")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static -Os")
diff --git a/toolchains/macos-mingw-w64-x86_64.cmake b/toolchains/macos-mingw-w64-x86_64.cmake
new file mode 100644
index 0000000..0b6a07a
--- /dev/null
+++ b/toolchains/macos-mingw-w64-x86_64.cmake
@@ -0,0 +1,25 @@
+# Usage:
+#   *) Install cross-compiler: `brew install mingw-w64`
+#   *) cmake -DCMAKE_TOOLCHAIN_FILE=macos-mingw-w64-x86_64.cmake -B build -S .
+#   *) make -C build
+
+set(CMAKE_SYSTEM_NAME Windows)
+set(TOOLCHAIN_PREFIX x86_64-w64-mingw32)
+
+# Cross-compilers to use for C and C++
+set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
+set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
+set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)
+set(CMAKE_AR ${TOOLCHAIN_PREFIX}-ar)
+set(CMAKE_RANLIB ${TOOLCHAIN_PREFIX}-ranlib)
+
+# Target environment on the build host system (with Homebrew)
+set(CMAKE_FIND_ROOT_PATH /opt/homebrew/Cellar/mingw-w64/11.0.1/toolchain-x86_64/${TOOLCHAIN_PREFIX})
+
+# Search for programs in the build host directories (modifying default behavior of FIND_XXX())
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static -Os")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static -Os")