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2026-01-29 17:06:34 +01:00
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cmake/README.md Normal file
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# Toolchain
To use the same toolchain as the CI in vscode
place the file 'cmake-kits.json' into your '.vscode' directory.
Then select the 'Spacegame LLVM Kit' in the cmake-tools extension.
Restarting vscode may be necessary.
# Debugging
To enable debugging add this to your .vscode/settings.json
```
"cmake.debugConfig": {
"MIMode": "gdb",
"miDebuggerPath": "/usr/bin/gdb"
}
```
# Usefull links
- [LLVM Debian/Ubuntu packages](https://apt.llvm.org/)

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cmake/clang_mingw_toolchain.cmake Normal file
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# This toolchain configuration file can be used cross-compile from linux to windows
# Ref.: https://github.com/glfw/glfw/blob/master/CMake/x86_64-w64-mingw32-clang.cmake
MESSAGE("Cross-Compiling with toolchain file: ${CMAKE_TOOLCHAIN_FILE}")
# llvm-mingw-x86_64 is expected to be avilable under this directory
set(MINGW_DIRECTORY /llvm-mingw-x86_64)
# Define the environment for cross-compiling with 64-bit MinGW-w64 Clang
set(CMAKE_SYSTEM_NAME Windows)
SET(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_C_COMPILER ${MINGW_DIRECTORY}/bin/x86_64-w64-mingw32-clang)
set(CMAKE_CXX_COMPILER ${MINGW_DIRECTORY}/bin/x86_64-w64-mingw32-clang++)
set(CMAKE_RC_COMPILER ${MINGW_DIRECTORY}/bin/x86_64-w64-mingw32-windres)
set(CMAKE_RANLIB ${MINGW_DIRECTORY}/bin/x86_64-w64-mingw32-ranlib)
set(CMAKE_AR ${MINGW_DIRECTORY}/bin/x86_64-w64-mingw32-ar)
set(CMAKE_STRIP ${MINGW_DIRECTORY}/bin/x86_64-w64-mingw32-strip)
# Configure the behaviour of the find commands
set(CMAKE_FIND_ROOT_PATH
${MINGW_DIRECTORY}/x86_64-w64-mingw32
${MINGW_DIRECTORY}
/spacegame_deps)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
# Note: For windows we supply all libraries in use directly through mingw => Full static linking!
set(CMAKE_CXX_FLAGS_INIT "-stdlib=libc++")
set(CMAKE_EXE_LINKER_FLAGS_INIT "-fuse-ld=lld -static")
set(CMAKE_MODULE_LINKER_FLAGS_INIT "-fuse-ld=lld -static")
set(CMAKE_SHARED_LINKER_FLAGS_INIT "-fuse-ld=lld -static")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_MINSIZEREL TRUE)

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cmake/clang_toolchain.cmake Normal file
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# This toolchain configuration file can be used for 'normal' linux native compilation
MESSAGE("Compiling with toolchain file: ${CMAKE_TOOLCHAIN_FILE}")
# Define the environment for compiling with 64-bit clang
# Note: Ensure the proper links / aliases are set
# ex. /usr/bin/clang -> /usr/bin/clang-18
set(CMAKE_C_COMPILER /usr/bin/clang )
set(CMAKE_CXX_COMPILER /usr/bin/clang++ )
set(CMAKE_RC_COMPILER /usr/bin/llvm-windres)
set(CMAKE_RANLIB /usr/bin/llvm-ranlib )
set(CMAKE_AR /usr/bin/llvm-ar )
set(CMAKE_STRIP /usr/bin/llvm-strip )
# Note: We can static link with libc++, but not entirely since we depend on dynamic
# libraries such as x11,glx,etc...
# Note: Despite its name '-static-libstdc++' the option causes libc++ to be linked statically
set(CMAKE_CXX_FLAGS_INIT "-stdlib=libc++" )
set(CMAKE_EXE_LINKER_FLAGS_INIT "-fuse-ld=lld -static-libstdc++")
set(CMAKE_MODULE_LINKER_FLAGS_INIT "-fuse-ld=lld -static-libstdc++")
set(CMAKE_SHARED_LINKER_FLAGS_INIT "-fuse-ld=lld -static-libstdc++")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_MINSIZEREL TRUE)

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cmake/cmake-kits.json Normal file
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[
{
"name": "Spacegame LLVM Kit",
"toolchainFile": "cmake/clang_toolchain.cmake",
"cmakeSettings":
{
"SPACEGAME_BUILD_SHADERS": "ON"
}
}
]