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Cross compilation working, does not actually run and crashes somewhere in miles sound system, probably the abi blowing up

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halogen 2026-03-03 17:39:45 -05:00
parent a544e968fb
commit bdeec50d33
3 changed files with 42 additions and 42 deletions
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44
CMakeLists.txt
View file

@ -1,44 +1,6 @@
cmake_minimum_required(VERSION 3.24)
project(MinecraftConsoles LANGUAGES C CXX ASM_MASM)
#if(NOT WIN32)
# message(FATAL_ERROR "This CMake build currently supports Windows only.")
#endif()
if(UNIX)
message(NOTICE "LCE is cross-compiling a Windows binary using clang-cl.
This expects your system has `clang-cl` and `llvm-ml` installed and in PATH.
You must also install MinGW and set the variable LCE_WINDOWS_SDK to your Windows SDK (provided by MinGW)")
message(WARNING "Skipping compiler check")
set(CMAKE_C_COMPILER_WORKS True)
if(NOT DEFINED LCE_WINDOWS_SDK)
#message(FATAL_ERROR "LCE_WINDOWS_SDK is unset!")
endif()
set(CMAKE_CROSSCOMPILING True)
set(CMAKE_SYSTEM_NAME Windows)
#find_program(clang-cl REQUIRED)
#find_program(llvm-ml REQUIRED)
set(CMAKE_C_COMPILER clang-cl)
set(CMAKE_CXX_COMPILER clang-cl)
set(CMAKE_ASM_MASM_COMPILER llvm-ml)
set(CMAKE_LINKER lld-link)
add_compile_options(/winsysroot /opt/msvc /clang:--target=x86_64-pc-windows-msvc)
add_link_options(/winsysroot /opt/msvc /clang:--target=x86_64-pc-windows-msvc)
set(MSVC True)
endif()
if(MSVC)
message(NOTICE "CMake detecting MSVC")
endif()
project(MinecraftConsoles LANGUAGES C CXX)
if(NOT CMAKE_SIZEOF_VOID_P EQUAL 8 AND WIN32) # This check is broken on linux+clang-cl
message(FATAL_ERROR "Use a 64-bit generator/toolchain (x64).")
@ -95,8 +57,8 @@ set_target_properties(MinecraftClient PROPERTIES
target_link_libraries(MinecraftClient PRIVATE
MinecraftWorld
d3d11
XInput9_1_0
Shcore
xinput9_1_0 # Changed capitalization to fix builds on case-sensitive filesystems
shcore # ditto
wsock32
legacy_stdio_definitions
"${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Iggy/lib/iggy_w64.lib"

24
Compile.md
View file

@ -39,7 +39,29 @@ cd .\build\Debug
.\MinecraftClient.exe
```
## CMake (Linux)
MinecraftConsoles does not support Linux but can cross-compile a Windows build from Linux.
You will need a Windows MSVC SDK. You can get one from [msvc-wine](https://github.com/mstorsjo/msvc-wine).
Configure:
```
MinecraftConsoles $ mkdir build && cd build
MinecraftConsoles/build $ cmake .. -B . -G Ninja -DCMAKE_TOOLCHAIN_FILE=../cmake/LinuxCrosscompile.cmake -DCMAKE_BUILD_TYPE=<Debug or Release>
```
Build:
```
MinecraftConsoles/build $ ninja
```
Run:
```
MinecraftConsoles/build $ wine MinecraftClient.exe
```
Notes:
- The CMake build is Windows-only and x64-only.
- The CMake build will only compile a Windows binary, and non-win32 systems will cross-compile one.
- Post-build asset copy is automatic for `MinecraftClient` in CMake (Debug and Release variants).
- The game relies on relative paths (for example `Common\Media\...`), so launching from the output directory is required.

16
cmake/LinuxCrosscompile.cmake Normal file
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@ -0,0 +1,16 @@
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_C_COMPILER clang-cl)
set(CMAKE_CXX_COMPILER clang-cl)
set(CMAKE_LINKER lld-link)
set(CMAKE_C_COMPILER_FRONTEND_VARIANT MSVC)
set(CMAKE_CXX_COMPILER_FRONTEND_VARIANT MSVC)
add_compile_options(/winsysroot /opt/msvc --target=x86_64-pc-windows-msvc)
add_link_options(/winsysroot:/opt/msvc)
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_FIND_ROOT_PATH_MODE_PACKAGE ONLY)