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CMake cache file for building Pico SDK toolchain #113267

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CMake cache file for building Pico SDK toolchain #113267

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88 changes: 88 additions & 0 deletions clang/cmake/caches/Pico.cmake
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Original file line number Diff line number Diff line change
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# This file sets up a CMakeCache for the Pico SDK toolchain build.

set(CMAKE_BUILD_TYPE Release CACHE STRING "")

set(LLVM_TARGETS_TO_BUILD ARM;RISCV CACHE STRING "")
set(LLVM_ENABLE_PROJECTS clang;lld;llvm CACHE STRING "")
set(LLVM_ENABLE_RUNTIMES compiler-rt;libcxx;libc CACHE STRING "")

set(CLANG_DEFAULT_CXX_STDLIB libc++ CACHE STRING "")
set(CLANG_DEFAULT_LINKER lld CACHE STRING "")
set(CLANG_DEFAULT_RTLIB compiler-rt CACHE STRING "")
set(CLANG_DEFAULT_UNWINDLIB libunwind CACHE STRING "")

set(LLVM_INSTALL_TOOLCHAIN_ONLY ON CACHE BOOL "")
set(LLVM_TOOLCHAIN_TOOLS
llvm-ar
llvm-cov
llvm-objcopy
llvm-objdump
llvm-profdata
llvm-ranlib
llvm-readelf
llvm-readobj
llvm-size
llvm-strings
llvm-strip
llvm-symbolizer
CACHE STRING "")
set(LLVM_DISTRIBUTION_COMPONENTS
builtins
clang
clang-resource-headers
lld
runtimes
${LLVM_TOOLCHAIN_TOOLS}
CACHE STRING "")

set(LLVM_BUILTIN_TARGETS armv6m-none-eabi;armv8m.main-none-eabi;riscv32-unknown-elf CACHE STRING "")
foreach(target ${LLVM_BUILTIN_TARGETS})
set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Generic CACHE STRING "")
set(BUILTINS_${target}_CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "")
set(BUILTINS_${target}_COMPILER_RT_BAREMETAL_BUILD ON CACHE BOOL "")
endforeach()

set(BUILTINS_armv6m-none-eabi_CMAKE_SYSTEM_PROCESSOR arm CACHE STRING "")
set(BUILTINS_armv8m.main-none-eabi_CMAKE_SYSTEM_PROCESSOR arm CACHE STRING "")
set(BUILTINS_riscv32-unknown-elf_CMAKE_SYSTEM_PROCESSOR RISCV CACHE STRING "")
foreach(lang C;CXX;ASM)
set(BUILTINS_armv6m-none-eabi_CMAKE_${lang}_FLAGS "-march=armv6m -mcpu=cortex-m0plus -mfloat-abi=soft" CACHE STRING "")
set(BUILTINS_armv8m.main-none-eabi_CMAKE_${lang}_FLAGS "-march=armv8m.main+fp+dsp -mcpu=cortex-m33 -mfloat-abi=softfp" CACHE STRING "")
set(BUILTINS_riscv32-unknown-elf_CMAKE_${lang}_FLAGS "-march=rv32imac_zicsr_zifencei_zba_zbb_zbs_zbkb -mabi=ilp32" CACHE STRING "")
endforeach()

set(LLVM_RUNTIME_TARGETS armv6m-none-eabi;armv8m.main-none-eabi;riscv32-unknown-elf CACHE STRING "")
foreach(target ${LLVM_RUNTIME_TARGETS})
set(RUNTIMES_${target}_CMAKE_SYSTEM_NAME Generic CACHE STRING "")
set(RUNTIMES_${target}_CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "")
set(RUNTIMES_${target}_CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY CACHE STRING "")
set(RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES libc;libcxx CACHE STRING "")
set(RUNTIMES_${target}_LLVM_ENABLE_ASSERTIONS OFF CACHE BOOL "")
set(RUNTIMES_${target}_LLVM_INCLUDE_TESTS OFF CACHE BOOL "")
set(RUNTIMES_${target}_LLVM_LIBC_FULL_BUILD ON CACHE BOOL "")
set(RUNTIMES_${target}_LIBC_ENABLE_USE_BY_CLANG ON CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_CXX_ABI none CACHE STRING "")
set(RUNTIMES_${target}_LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_ENABLE_FILESYSTEM OFF CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_ENABLE_RANDOM_DEVICE OFF CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_ENABLE_LOCALIZATION OFF CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_ENABLE_UNICODE OFF CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_ENABLE_WIDE_CHARACTERS OFF CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_ENABLE_RTTI OFF CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_ENABLE_THREADS OFF CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_ENABLE_MONOTONIC_CLOCK OFF CACHE BOOL "")
set(RUNTIMES_${target}_LIBCXX_SHARED_OUTPUT_NAME "c++-shared" CACHE STRING "")
set(RUNTIMES_${target}_LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
set(RUNTIMES_${target}_RUNTIMES_USE_LIBC llvm-libc CACHE STRING "")
endforeach()

set(RUNTIMES_armv6m-none-eabi_CMAKE_SYSTEM_PROCESSOR arm CACHE STRING "")
set(RUNTIMES_armv8m.main-none-eabi_CMAKE_SYSTEM_PROCESSOR arm CACHE STRING "")
set(RUNTIMES_riscv32-unknown-elf_CMAKE_SYSTEM_PROCESSOR RISCV CACHE STRING "")
foreach(lang C;CXX;ASM)
# TODO: Use internal logging API instead of fprintf in libc++
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@Prabhuk Prabhuk Nov 12, 2025

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What does "internal" here mean?

set(RUNTIMES_armv6m-none-eabi_CMAKE_${lang}_FLAGS "-march=armv6m -mcpu=cortex-m0plus -mfloat-abi=soft -Wno-atomic-alignment \"-Dvfprintf(stream, format, vlist)=vprintf(format, vlist)\" \"-Dfprintf(stream, format, ...)=printf(format)\" \"-Dfputs(string, stream)=puts(string)\" -D_LIBCPP_PRINT=1" CACHE STRING "")
set(RUNTIMES_armv8m.main-none-eabi_CMAKE_${lang}_FLAGS "-march=armv8m.main+fp+dsp -mcpu=cortex-m33 -mfloat-abi=softfp -Wno-atomic-alignment \"-Dvfprintf(stream, format, vlist)=vprintf(format, vlist)\" \"-Dfprintf(stream, format, ...)=printf(format)\" \"-Dfputs(string, stream)=puts(string)\" -D_LIBCPP_PRINT=1" CACHE STRING "")
set(RUNTIMES_riscv32-unknown-elf_CMAKE_${lang}_FLAGS "-march=rv32imac_zicsr_zifencei_zba_zbb_zbs_zbkb -mabi=ilp32 -Wno-atomic-alignment \"-Dvfprintf(stream, format, vlist)=vprintf(format, vlist)\" \"-Dfprintf(stream, format, ...)=printf(format)\" \"-Dfputs(string, stream)=puts(string)\" -D_LIBCPP_PRINT=1" CACHE STRING "")
endforeach()
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