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Added aarch64-toolchain.cmake to repository #62

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Mar 29, 2024
Merged

Added aarch64-toolchain.cmake to repository #62

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77 changes: 77 additions & 0 deletions cmake/aarch64-toolchain.cmake
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Original file line number Diff line number Diff line change
@@ -0,0 +1,77 @@
# Experimental toolchain file for aarch64

set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR aarch64)
set(CMAKE_SYSTEM_VERSION 1)

# Cross-compile options
set(CROSS_COMPILE_BUILD "x86_64-build_pc-linux-gnu")
set(CROSS_COMPILE_HOST "aarch64-intel-linux-gnu")
set(CROSS_COMPILE_TARGET "aarch64-intel-linux-gnu")

# System root
set(CMAKE_SYSROOT $ENV{SDKTARGETSYSROOT})

# Compilers
set(CMAKE_C_COMPILER aarch64-intel-linux-gnu-gcc)
set(CMAKE_CXX_COMPILER aarch64-intel-linux-gnu-g++)

# CMake build types
# Converted to uppercase for use in variable names
set(configTypes DEBUG MINSIZEREL RELEASE RELWITHDEBINFO)

# Compiler flags
string(JOIN " " securityFlags
-fstack-protector-strong
-D_FORTIFY_SOURCE=2
-Wformat
-Wformat-security
-Werror=format-security
)

string(JOIN " " extraFlags
-pipe
-feliminate-unused-debug-types
)

foreach(_config IN LISTS configTypes)
set(CMAKE_C_FLAGS_${_config}_INIT "${securityFlags} ${extraFlags}")
set(CMAKE_CXX_FLAGS_${_config}_INIT "${securityFlags} ${extraFlags}")
endforeach()

# CMake adds optimization and debug flags based on the build type:
# - Debug -g
# - MinSizeRel -Os -DNDEBUG
# - Release -O3 -DNDEBUG
# - RelWithDebInfo -O2 -g -DNDEBUG

# Linker Flags
string(JOIN " " linkerFlags
-Wl,-O1
-Wl,--hash-style=gnu
-Wl,--as-needed
-Wl,-z,relro,-z,now
)

foreach(_config IN LISTS configTypes)
set(CMAKE_EXE_LINKER_FLAGS_${_config}_INIT ${linkerFlags})
set(CMAKE_SHARED_LINKER_FLAGS_${_config}_INIT ${linkerFlags})
endforeach()

unset(_config)
unset(configTypes)

# Default build type
set(CMAKE_BUILD_TYPE "RelWithDebInfo")

# Search paths
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)

if(NOT CMAKE_SYSROOT STREQUAL "")
include_directories(BEFORE ${CMAKE_SYSROOT}/usr/local/include)
include_directories(BEFORE ${CMAKE_SYSROOT}/usr/include)
include_directories(BEFORE ${CMAKE_SYSROOT}/include)
endif()