tesses50/zig-cross
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Generalize zig-toolchain.cmake

Browse Source
This commit is contained in:
Duncan Ogilvie
2024-07-26 22:29:20 +02:00
parent 4b546c0475
commit 3bf1daa659
6 changed files with 55 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
README.md
View File

@@ -9,3 +9,10 @@ Reference: https://zig.news/kristoff/cross-compile-a-c-c-project-with-zig-3599
- [Install zig](https://ziglang.org/learn/getting-started/#installing-zig) in your PATH (`choco install zig` on Windows) - [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 -B build-aarch64 -G Ninja -DCMAKE_TOOLCHAIN_FILE=cmake/zig-toolchain-aarch64.cmake`
- `cmake --build build-arch64` - `cmake --build build-arch64`
You can create toolchains for other triples like this. Here is an example to build for Windows on ARM64:
```cmake
set(ZIG_TARGET "aarch64-windows-gnu")
include(${CMAKE_CURRENT_LIST_DIR}/zig-toolchain.cmake)
```

2
cmake/zig-rc.cmd Normal file
View File

@@ -0,0 +1,2 @@
@echo off
zig rc %*

2
cmake/zig-rc.sh Executable file
View File

@@ -0,0 +1,2 @@
#!/bin/sh
zig rc "$@"

20
cmake/zig-toolchain-aarch64.cmake
View File

@@ -1,18 +1,2 @@
if(CMAKE_GENERATOR MATCHES "Visual Studio") set(ZIG_TARGET "aarch64-linux-gnu")
message(FATAL_ERROR "Visual Studio generator not supported, use: cmake -G Ninja") include(${CMAKE_CURRENT_LIST_DIR}/zig-toolchain.cmake)
endif()
set(CMAKE_SYSTEM_NAME "Linux")
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_SYSTEM_PROCESSOR "aarch64")
set(CMAKE_C_COMPILER "zig" cc -target aarch64-linux-gnu)
set(CMAKE_CXX_COMPILER "zig" c++ -target aarch64-linux-gnu)
if(WIN32)
set(SCRIPT_SUFFIX ".cmd")
else()
set(SCRIPT_SUFFIX ".sh")
endif()
# This is working (thanks to Simon for finding this trick)
set(CMAKE_AR "${CMAKE_CURRENT_LIST_DIR}/zig-ar${SCRIPT_SUFFIX}")
set(CMAKE_RANLIB "${CMAKE_CURRENT_LIST_DIR}/zig-ranlib${SCRIPT_SUFFIX}")

2
cmake/zig-toolchain-winarm64.cmake Normal file
View File

@@ -0,0 +1,2 @@
set(ZIG_TARGET "aarch64-windows-gnu")
include(${CMAKE_CURRENT_LIST_DIR}/zig-toolchain.cmake)

40
cmake/zig-toolchain.cmake Normal file
View File

@@ -0,0 +1,40 @@
include_guard()
if(CMAKE_GENERATOR MATCHES "Visual Studio")
message(FATAL_ERROR "Visual Studio generator not supported, use: cmake -G Ninja")
endif()
if(NOT ZIG_TARGET MATCHES "^([a-zZ-Z0-9_]+)-([a-zZ-Z0-9_]+)-([a-zZ-Z0-9_]+)$")
message(FATAL_ERROR "Expected -DZIG_TARGET=<arch>-<os>-<abi>")
endif()
set(ZIG_ARCH ${CMAKE_MATCH_1})
set(ZIG_OS ${CMAKE_MATCH_2})
set(ZIG_ABI ${CMAKE_MATCH_3})
if(ZIG_OS STREQUAL "linux")
set(CMAKE_SYSTEM_NAME "Linux")
elseif(ZIG_OS STREQUAL "windows")
set(CMAKE_SYSTEM_NAME "Windows")
elseif(ZIG_OS STREQUAL "macos")
set(CMAKE_SYSTEM_NAME "Darwin")
else()
message(WARNING "Unknown OS: ${ZIG_OS}")
endif()
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_SYSTEM_PROCESSOR ${ZIG_ARCH})
set(CMAKE_C_COMPILER "zig" cc -target ${ZIG_TARGET})
set(CMAKE_CXX_COMPILER "zig" c++ -target ${ZIG_TARGET})
if(WIN32)
set(SCRIPT_SUFFIX ".cmd")
else()
set(SCRIPT_SUFFIX ".sh")
endif()
# This is working (thanks to Simon for finding this trick)
set(CMAKE_AR "${CMAKE_CURRENT_LIST_DIR}/zig-ar${SCRIPT_SUFFIX}")
set(CMAKE_RANLIB "${CMAKE_CURRENT_LIST_DIR}/zig-ranlib${SCRIPT_SUFFIX}")
set(CMAKE_RC "${CMAKE_CURRENT_LIST_DIR}/zig-rc${SCRIPT_SUFFIX}")