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CMake: Fix RISC-V building with LLVM

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Stenzek 2024-12-30 02:58:16 +10:00
parent 4e928d7ce1
commit 9cd9042563
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1 changed files with 11 additions and 6 deletions
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17
CMakeModules/DuckStationUtils.cmake
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@ -92,17 +92,22 @@ function(detect_architecture)
elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "riscv64")
message(STATUS "Building RISC-V 64 binaries.")
set(CPU_ARCH_RISCV64 TRUE PARENT_SCOPE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -finline-atomics" PARENT_SCOPE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -finline-atomics" PARENT_SCOPE)
# Still need this, apparently.
link_libraries("-latomic")
# Don't want function calls for atomics.
if(COMPILER_GCC)
set(EXTRA_CFLAGS "${EXTRA_CFLAGS} -finline-atomics")
# Still need this, apparently.
link_libraries("-latomic")
endif()
if(NOT "${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
# Frame pointers generate an annoying amount of code on leaf functions.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fomit-frame-pointer" PARENT_SCOPE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fomit-frame-pointer" PARENT_SCOPE)
set(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fomit-frame-pointer")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}" PARENT_SCOPE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CFLAGS}" PARENT_SCOPE)
else()
message(FATAL_ERROR "Unknown system processor: ${CMAKE_SYSTEM_PROCESSOR}")
endif()