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LLVM is mostly self-downloading now

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This commit is contained in:
Xaymar
2025-04-17 13:14:57 +02:00
parent dfe1aab2ea
commit ebab168283
3 changed files with 286 additions and 45 deletions
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CMakePresets.json
+1 -2
View File
@@ -23,8 +23,7 @@
"toolchainFile": "cmake/toolchains/llvm.cmake", "toolchainFile": "cmake/toolchains/llvm.cmake",
"generator": "Ninja Multi-Config", "generator": "Ninja Multi-Config",
"cacheVariables": { "cacheVariables": {
"CMAKE_TOOLCHAIN_FILE": "${sourceDir}/cmake/toolchains/llvm.cmake", "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/cmake/toolchains/llvm.cmake"
"CMAKE_MAKE_PROGRAM": "build/windows-x64-llvm/toolchains/ninja/ninja.exe"
} }
}, },
{ {
cmake/generators/ninja.cmake
+2
View File
@@ -72,6 +72,7 @@ if(IS_EXECUTABLE "${NINJA_BIN}")
string(REGEX REPLACE "[\r\n]+" "" NINJA_VERSION_INSTALLED "${NINJA_VERSION_INSTALLED}") string(REGEX REPLACE "[\r\n]+" "" NINJA_VERSION_INSTALLED "${NINJA_VERSION_INSTALLED}")
if((EXISTS NINJA_BIN) AND (NINJA_VERSION_INSTALLED VERSION_LESS NINJA_VERSION)) if((EXISTS NINJA_BIN) AND (NINJA_VERSION_INSTALLED VERSION_LESS NINJA_VERSION))
message(STATUS "Found outdated v${NINJA_VERSION_INSTALLED}.") message(STATUS "Found outdated v${NINJA_VERSION_INSTALLED}.")
unset(NINJA_BIN)
else() else()
message(STATUS "Found v${NINJA_VERSION_INSTALLED}.") message(STATUS "Found v${NINJA_VERSION_INSTALLED}.")
endif() endif()
@@ -112,6 +113,7 @@ if((NOT IS_EXECUTABLE "${NINJA_BIN}") OR (NINJA_VERSION_INSTALLED VERSION_LESS N
file(DOWNLOAD file(DOWNLOAD
"https://github.com/ninja-build/ninja/releases/download/v${NINJA_VERSION}/${_FILE_NAME}.${_FILE_EXT}" "https://github.com/ninja-build/ninja/releases/download/v${NINJA_VERSION}/${_FILE_NAME}.${_FILE_EXT}"
"${NINJA_DIR}.${_FILE_EXT}" "${NINJA_DIR}.${_FILE_EXT}"
SHOW_PROGRESS
) )
# Extract it. # Extract it.
cmake/toolchains/llvm.cmake
+283 -43
View File
@@ -1,5 +1,4 @@
# TinyAudioLink - Seamlessly transfer Audio between USB capable devices # Copyright (C) 2019-2025 Michael Fabian 'Xaymar' Dirks
# Copyright (C) 2019 Michael Fabian 'Xaymar' Dirks
# #
# This program is free software: you can redistribute it and/or modify # This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by # it under the terms of the GNU General Public License as published by
@@ -14,47 +13,288 @@
# You should have received a copy of the GNU General Public License # You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>. # along with this program. If not, see <http://www.gnu.org/licenses/>.
find_program( # This is a self-contained toolchain file that sets up everything necessary to compile with LLVM/Clang.
CLANG_C_COMPILER
NAMES
clang
clang-cl
clang++
clang-cpp
NO_CACHE
)
find_program(
CLANG_CPP_COMPILER
NAMES
clang++
clang-cpp
clang
clang-cl
NO_CACHE
)
find_program(
CLANG_LLVM_AR
NAMES
llvm-ar
NO_CACHE
)
find_program(
CLANG_LLVM_LD_LDD
NAMES
ld.lld
NO_CACHE
)
mark_as_advanced(CLANG_C_COMPILER CLANG_CPP_COMPILER CLANG_LLVM_AR CLANG_LLVM_LD_LDD)
set(CMAKE_C_COMPILER "${CLANG_C_COMPILER}") cmake_minimum_required(VERSION 3.30...4.0)
set(CMAKE_CXX_COMPILER "${CLANG_CPP_COMPILER}") include_guard(GLOBAL)
set(CMAKE_AR "${CLANG_LLVM_AR}") list(APPEND CMAKE_MESSAGE_INDENT "[LLVM] ")
if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.29) if(CMAKE_C_COMPILER OR CMAKE_CXX_COMPILER)
set(CMAKE_LINKER_TYPE "LLD") return()
else()
set(CMAKE_EXE_LINKER_FLAGS_INIT "-fuse-ld=\"${CLANG_LLVM_LD_LDD}\"")
set(CMAKE_STATIC_LINKER_FLAGS_INIT "-fuse-ld=\"${CLANG_LLVM_LD_LDD}\"")
set(CMAKE_MODULE_LINKER_FLAGS_INIT "-fuse-ld=\"${CLANG_LLVM_LD_LDD}\"")
set(CMAKE_SHARED_LINKER_FLAGS_INIT "-fuse-ld=\"${CLANG_LLVM_LD_LDD}\"")
endif() endif()
# Try and figure out what processor we need to get binaries for.
set(LLVM_VERSION "19.1.7")
if(CMAKE_HOST_SYSTEM_NAME MATCHES "[Ww]indows")
set(_OS "windows")
string(TOLOWER "$ENV{PROCESSOR_ARCHITECTURE}" _ARCH)
if(_ARCH MATCHES "(amd64)|(AMD64)")
set(_FILE_NAME "LLVM-${LLVM_VERSION}-win64")
elseif(_ARCH MATCHES "(x86)|(X86)")
set(_FILE_NAME "LLVM-${LLVM_VERSION}-win32")
else()
set(_FILE_NAME "LLVM-${LLVM_VERSION}-woa64")
endif()
set(_FILE_EXT "exe")
elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "[Dd]arwin")
set(_OS "macos")
execute_process(
COMMAND "uname -m"
OUTPUT_VARIABLE _ARCH
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE _RES
)
if(_ARCH MATCHES "(x86)|(X86)|(amd64)|(AMD64)")
set(_FILE_NAME "LLVM-${LLVM_VERSION}-MacOS-X64")
else()
set(_FILE_NAME "LLVM-${LLVM_VERSION}-MacOS-ARM64")
endif()
set(_FILE_EXT "tar.xz")
elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "[Oo]pen[Bb][Ss][Dd]")
set(_OS "openbsd")
execute_process(
COMMAND "arch"
OUTPUT_VARIABLE _ARCH
OUTPUT_STRIP_TRAILING_WHITESPACE
)
set(_FILE_EXT "tar.xz")
if(_ARCH MATCHES "(x86)|(X86)|(amd64)|(AMD64)")
set(_FILE_NAME "LLVM-${LLVM_VERSION}-Linux-X64")
else()
set(_FILE_NAME "LLVM-${LLVM_VERSION}-Linux-ARM64")
endif()
else()
set(_OS "linux")
execute_process(
COMMAND "uname -p"
OUTPUT_VARIABLE _ARCH
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE _RES
)
if(_RES EQUAL 0)
execute_process(
COMMAND "uname -m"
OUTPUT_VARIABLE _ARCH
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE _RES
)
endif()
set(_FILE_EXT "tar.xz")
if(_ARCH MATCHES "(x86)|(X86)|(amd64)|(AMD64)")
set(_FILE_NAME "LLVM-${LLVM_VERSION}-Linux-X64")
else()
set(_FILE_NAME "LLVM-${LLVM_VERSION}-Linux-ARM64")
endif()
endif()
set(LLVM_DIR "${CMAKE_SOURCE_DIR}/extra/llvm-${LLVM_VERSION}-${_OS}-${_ARCH}")
foreach(_T IN ITEMS LLVM_VERSION LLVM_VERSION_INSTALLED LLVM_DIR LLVM_AR LLVM_LD LLVM_RANLIB LLVM_OBJCOPY LLVM_OBJDUMP LLVM_STRIP LLVM_CLANG LLVM_CLANGPP)
message(STATUS "${_T}=${${_T}}")
endforeach()
function(validator_llvm_bin _var _item)
message(STATUS "${_var} ${_item}")
if(NOT IS_EXECUTABLE "${_item}")
set("${_var}" FALSE PARENT_SCOPE)
return()
endif()
execute_process(
COMMAND "${_item}" --version
OUTPUT_VARIABLE _OUT
RESULT_VARIABLE _RES
OUTPUT_STRIP_TRAILING_WHITESPACE
)
message(STATUS "${_OUT} ${_RES}")
if(NOT _RES EQUAL 0)
set("${_var}" FALSE PARENT_SCOPE)
return()
endif()
if(_OUT VERSION_LESS LLVM_VERSION)
set("${_var}" FALSE PARENT_SCOPE)
return()
endif()
set("${_var}" TRUE PARENT_SCOPE)
set(LLVM_VERSION_INSTALLED "${_OUT}" PARENT_SCOPE)
endfunction()
macro(find_llvm)
set(LLVM_FOUND "NOT-FOUND")
# - AR
find_program(
LLVM_AR
NAMES
llvm-ar
HINTS
"${LLVM_DIR}/bin"
#VALIDATOR validator_llvm_bin
NO_CACHE NO_DEFAULT_PATH NO_PACKAGE_ROOT_PATH NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_INSTALL_PREFIX NO_CMAKE_FIND_ROOT_PATH
)
# - Library Randomizer
find_program(
LLVM_RANLIB
NAMES
llvm-ranlib
HINTS
"${LLVM_DIR}/bin"
#VALIDATOR validator_llvm_bin
NO_CACHE NO_DEFAULT_PATH NO_PACKAGE_ROOT_PATH NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_INSTALL_PREFIX NO_CMAKE_FIND_ROOT_PATH
)
# - Linker
find_program(
LLVM_LD
NAMES
ld.lld
HINTS
"${LLVM_DIR}/bin"
#VALIDATOR validator_llvm_bin
NO_CACHE NO_DEFAULT_PATH NO_PACKAGE_ROOT_PATH NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_INSTALL_PREFIX NO_CMAKE_FIND_ROOT_PATH
)
# - Object Copy
find_program(
LLVM_OBJCOPY
NAMES
llvm-objcopy
HINTS
"${LLVM_DIR}/bin"
#VALIDATOR validator_llvm_bin
NO_CACHE NO_DEFAULT_PATH NO_PACKAGE_ROOT_PATH NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_INSTALL_PREFIX NO_CMAKE_FIND_ROOT_PATH
)
# - Object Dump
find_program(
LLVM_OBJDUMP
NAMES
llvm-objdump
HINTS
"${LLVM_DIR}/bin"
#VALIDATOR validator_llvm_bin
NO_CACHE NO_DEFAULT_PATH NO_PACKAGE_ROOT_PATH NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_INSTALL_PREFIX NO_CMAKE_FIND_ROOT_PATH
)
# - Strip Debug Info
find_program(
LLVM_STRIP
NAMES
llvm-strip
HINTS
"${LLVM_DIR}/bin"
#VALIDATOR validator_llvm_bin
NO_CACHE NO_DEFAULT_PATH NO_PACKAGE_ROOT_PATH NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_INSTALL_PREFIX NO_CMAKE_FIND_ROOT_PATH
)
# - C Compiler
find_program(
LLVM_CLANG
NAMES
clang
HINTS
"${LLVM_DIR}/bin"
#VALIDATOR validator_llvm_bin
NO_CACHE NO_DEFAULT_PATH NO_PACKAGE_ROOT_PATH NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_INSTALL_PREFIX NO_CMAKE_FIND_ROOT_PATH
)
# - C++ Compiler
find_program(
LLVM_CLANGPP
NAMES
clang++
HINTS
"${LLVM_DIR}/bin"
#VALIDATOR validator_llvm_bin
NO_CACHE NO_DEFAULT_PATH NO_PACKAGE_ROOT_PATH NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_INSTALL_PREFIX NO_CMAKE_FIND_ROOT_PATH
)
set(LLVM_FOUND TRUE)
foreach(_TEST IN ITEMS
"LLVM_AR"
"LLVM_LD"
"LLVM_RANLIB"
"LLVM_OBJCOPY"
"LLVM_OBJDUMP"
"LLVM_STRIP"
"LLVM_CLANG"
"LLVM_CLANGPP")
message(STATUS "${_TEST}=${${_TEST}}")
if(NOT IS_EXECUTABLE ${${_TEST}})
set(LLVM_FOUND FALSE)
foreach(_TEST IN ITEMS
"LLVM_AR"
"LLVM_LD"
"LLVM_RANLIB"
"LLVM_OBJCOPY"
"LLVM_OBJDUMP"
"LLVM_STRIP"
"LLVM_CLANG"
"LLVM_CLANGPP")
unset(${_TEST})
endforeach()
endif()
endforeach()
endmacro()
# Try and find an existing LLVM installation.
find_llvm()
foreach(_T IN ITEMS LLVM_VERSION LLVM_VERSION_INSTALLED LLVM_DIR LLVM_AR LLVM_LD LLVM_RANLIB LLVM_OBJCOPY LLVM_OBJDUMP LLVM_STRIP LLVM_CLANG LLVM_CLANGPP)
message(STATUS "${_T}=${${_T}}")
endforeach()
if(LLVM_FOUND)
message(STATUS "Found v${LLVM_VERSION_INSTALLED}.")
elseif(LLVM_VERSION_INSTALLED AND LLVM_VERSION_INSTALLED VERSION_LESS LLVM_VERSION)
message(STATUS "Found outdated v${LLVM_VERSION_INSTALLED}.")
elseif(NOT LLVM_FOUND AND NOT LLVM_VERSION_INSTALLED)
message(STATUS "No installed LLVM found.")
endif()
if(NOT LLVM_FOUND)
# It isn't up to date or doesn't exist, so try to download the latest version.
# Download the ideal version.
message(STATUS "Downloading LLVM v${LLVM_VERSION}...")
file(DOWNLOAD
"https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/${_FILE_NAME}.${_FILE_EXT}"
"${LLVM_DIR}.${_FILE_EXT}"
SHOW_PROGRESS
)
# Extract it.
message(STATUS "Extracting...")
file(ARCHIVE_EXTRACT
INPUT "${LLVM_DIR}.${_FILE_EXT}"
DESTINATION "${LLVM_DIR}/"
)
endif()
# set(CMAKE_C_COMPILER_AR "${CMAKE_AR}" CACHE STRING "" FORCE)
# #set(CMAKE_C_COMPILER_CLANG_SCAN_DEPS "NOT-FOUND" CACHE STRING "" FORCE)
# set(CMAKE_C_COMPILER_RANLIB "${CMAKE_RANLIB}" CACHE STRING "" FORCE)
# set(CMAKE_C_LINKER "${CMAKE_LINKER}" CACHE STRING "" FORCE)
# set(CMAKE_C_LINKER_ID "LDD" CACHE STRING "" FORCE)
# set(CMAKE_C_LINKER_FRONTEND_VARIANT "LLD" CACHE STRING "" FORCE)
# set(CMAKE_CXX_COMPILER_AR "${CMAKE_AR}" CACHE STRING "" FORCE)
# #set(CMAKE_CXX_COMPILER_CLANG_SCAN_DEPS "NOT-FOUND" CACHE STRING "" FORCE)
# set(CMAKE_CXX_SCAN_FOR_MODULES OFF CACHE BOOL "" FORCE)
# set(CMAKE_CXX_COMPILER_RANLIB "${CMAKE_RANLIB}" CACHE STRING "" FORCE)
# set(CMAKE_CXX_LINKER "${CMAKE_C_LINKER}" CACHE STRING "" FORCE)
# set(CMAKE_CXX_LINKER_ID "LLD" CACHE STRING "" FORCE)
# set(CMAKE_CXX_LINKER_FRONTEND_VARIANT "LLD" CACHE STRING "" FORCE)
# # - Assembly Compiler
# set(CMAKE_ASM_COMPILER "${CMAKE_C_COMPILER}" CACHE STRING "" FORCE)
# set(CMAKE_ASM_COMPILER_AR "${CMAKE_AR}" CACHE STRING "" FORCE)
# #set(CMAKE_ASM_COMPILER_CLANG_SCAN_DEPS "NOT-FOUND" CACHE STRING "" FORCE)
# set(CMAKE_ASM_COMPILER_RANLIB "${CMAKE_RANLIB}" CACHE STRING "" FORCE)
# set(CMAKE_ASM_LINKER "${CMAKE_C_LINKER}" CACHE STRING "" FORCE)
# set(CMAKE_ASM_LINKER_ID "LLD" CACHE STRING "" FORCE)
# set(CMAKE_ASM_LINKER_FRONTEND_VARIANT "LLD" CACHE STRING "" FORCE)
# #mark_as_advanced(CLANG_C_COMPILER CLANG_CPP_COMPILER CLANG__AR CLANG__LD_LDD)
# set(CMAKE_EXE_LINKER_FLAGS_INIT "-fuse-ld=\"${CMAKE_C_LINKER}\"")
# set(CMAKE_STATIC_LINKER_FLAGS_INIT "-fuse-ld=\"${CMAKE_C_LINKER}\"")
# set(CMAKE_MODULE_LINKER_FLAGS_INIT "-fuse-ld=\"${CMAKE_C_LINKER}\"")
# set(CMAKE_SHARED_LINKER_FLAGS_INIT "-fuse-ld=\"${CMAKE_C_LINKER}\"")
# execute_process(
# COMMAND "${CMAKE_C_COMPILER}" "--version"
# OUTPUT_VARIABLE _VERSION_INSTALLED
# OUTPUT_STRIP_TRAILING_WHITESPACE
# )
# string(REGEX MATCH "[0-9]+\.[0-9]+\.[0-9]+" _VERSION_INSTALLED "${LLVM_VERSION_INSTALLED}")
# message(STATUS "v${LLVM_VERSION_INSTALLED}")
# list(POP_BACK CMAKE_MESSAGE_INDENT)