commit 4b546c04759ce525ab783f8d1b35cd240a074a10
Author: Duncan Ogilvie <mr.exodia.tpodt@gmail.com>
Date:   Fri Oct 21 02:32:29 2022 +0200

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..65fe6fa
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+bin
+bin2
+compile_commands.json
+.clangd
+temp.*
+.vs
+.cache
+build*/
+.idea/
+cmake-build*/
+CMakeLists.txt.user
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..0daaf87
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.22)
+
+project(cmake-zig)
+
+add_library(mylib-static STATIC src/mylib.cpp)
+add_library(mylib-shared SHARED src/mylib.cpp)
+
+add_executable(myexe src/myexe.cpp)
+target_link_libraries(myexe PRIVATE mylib-static)
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..9dbd25a
--- /dev/null
+++ b/README.md
@@ -0,0 +1,11 @@
+# zig-cross
+
+Example of using [zig](https://ziglang.org) as a CMake Toolchain for cross compiling.
+
+Reference: https://zig.news/kristoff/cross-compile-a-c-c-project-with-zig-3599
+
+## Building
+
+- [Install zig](https://ziglang.org/learn/getting-started/#installing-zig) in your PATH (`choco install zig` on Windows)
+- `cmake -B build-aarch64 -G Ninja -DCMAKE_TOOLCHAIN_FILE=cmake/zig-toolchain-aarch64.cmake`
+- `cmake --build build-arch64`
diff --git a/cmake/zig-ar.cmd b/cmake/zig-ar.cmd
new file mode 100644
index 0000000..8d8bac7
--- /dev/null
+++ b/cmake/zig-ar.cmd
@@ -0,0 +1,2 @@
+@echo off
+zig ar %*
\ No newline at end of file
diff --git a/cmake/zig-ar.sh b/cmake/zig-ar.sh
new file mode 100755
index 0000000..3d69448
--- /dev/null
+++ b/cmake/zig-ar.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+zig ar "$@"
diff --git a/cmake/zig-ranlib.cmd b/cmake/zig-ranlib.cmd
new file mode 100644
index 0000000..5163a73
--- /dev/null
+++ b/cmake/zig-ranlib.cmd
@@ -0,0 +1,2 @@
+@echo off
+zig ranlib %*
\ No newline at end of file
diff --git a/cmake/zig-ranlib.sh b/cmake/zig-ranlib.sh
new file mode 100755
index 0000000..5caa38e
--- /dev/null
+++ b/cmake/zig-ranlib.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+zig ranlib "$@"
diff --git a/cmake/zig-toolchain-aarch64.cmake b/cmake/zig-toolchain-aarch64.cmake
new file mode 100644
index 0000000..ea7cd0f
--- /dev/null
+++ b/cmake/zig-toolchain-aarch64.cmake
@@ -0,0 +1,18 @@
+if(CMAKE_GENERATOR MATCHES "Visual Studio")
+    message(FATAL_ERROR "Visual Studio generator not supported, use: cmake -G Ninja")
+endif()
+set(CMAKE_SYSTEM_NAME "Linux")
+set(CMAKE_SYSTEM_VERSION 1)
+set(CMAKE_SYSTEM_PROCESSOR "aarch64")
+set(CMAKE_C_COMPILER "zig" cc -target aarch64-linux-gnu)
+set(CMAKE_CXX_COMPILER "zig" c++ -target aarch64-linux-gnu)
+
+if(WIN32)
+    set(SCRIPT_SUFFIX ".cmd")
+else()
+    set(SCRIPT_SUFFIX ".sh")
+endif()
+
+# This is working (thanks to Simon for finding this trick)
+set(CMAKE_AR "${CMAKE_CURRENT_LIST_DIR}/zig-ar${SCRIPT_SUFFIX}")
+set(CMAKE_RANLIB "${CMAKE_CURRENT_LIST_DIR}/zig-ranlib${SCRIPT_SUFFIX}")
diff --git a/src/myexe.cpp b/src/myexe.cpp
new file mode 100644
index 0000000..7dd26cc
--- /dev/null
+++ b/src/myexe.cpp
@@ -0,0 +1,8 @@
+#include <cstdio>
+
+#include "mylib.h"
+
+int main()
+{
+	puts(mylib());
+}
\ No newline at end of file
diff --git a/src/mylib.cpp b/src/mylib.cpp
new file mode 100644
index 0000000..5dc21a0
--- /dev/null
+++ b/src/mylib.cpp
@@ -0,0 +1,6 @@
+#include "mylib.h"
+
+const char* mylib()
+{
+	return "hello from mylib";
+}
\ No newline at end of file
diff --git a/src/mylib.h b/src/mylib.h
new file mode 100644
index 0000000..33a4c53
--- /dev/null
+++ b/src/mylib.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#ifdef _WIN32
+#define MYLIB_EXPORT __declspec(dllexport)
+#else
+#define MYLIB_EXPORT
+#endif // _WIN32
+
+
+extern "C" MYLIB_EXPORT const char* mylib();
\ No newline at end of file